/**
 * Database layer for Onebox using SQLite
 */

import * as plugins from '../plugins.ts';
import type {
  IService,
  IRegistry,
  IRegistryToken,
  INginxConfig,
  ISslCertificate,
  IDnsRecord,
  IMetric,
  ILogEntry,
  IUser,
  ISetting,
  IPlatformService,
  IPlatformResource,
  IPlatformRequirements,
  TPlatformServiceType,
  IDomain,
  ICertificate,
  ICertRequirement,
} from '../types.ts';

// Type alias for sqlite bind parameters
type BindValue = string | number | bigint | boolean | null | undefined | Uint8Array;
import { logger } from '../logging.ts';
import { getErrorMessage } from '../utils/error.ts';

export class OneboxDatabase {
  private db: InstanceType<typeof plugins.sqlite.DB> | null = null;
  private dbPath: string;

  constructor(dbPath = './.nogit/onebox.db') {
    this.dbPath = dbPath;
  }

  /**
   * Initialize database connection and create tables
   */
  async init(): Promise<void> {
    try {
      // Ensure data directory exists
      const dbDir = plugins.path.dirname(this.dbPath);
      await Deno.mkdir(dbDir, { recursive: true });

      // Open database
      this.db = new plugins.sqlite.DB(this.dbPath);
      logger.info(`Database initialized at ${this.dbPath}`);

      // Create tables
      await this.createTables();

      // Run migrations if needed
      await this.runMigrations();
    } catch (error) {
      logger.error(`Failed to initialize database: ${getErrorMessage(error)}`);
      throw error;
    }
  }

  /**
   * Create all database tables
   */
  private async createTables(): Promise<void> {
    if (!this.db) throw new Error('Database not initialized');

    // Services table
    this.query(`
      CREATE TABLE IF NOT EXISTS services (
        id INTEGER PRIMARY KEY AUTOINCREMENT,
        name TEXT NOT NULL UNIQUE,
        image TEXT NOT NULL,
        registry TEXT,
        env_vars TEXT NOT NULL,
        port INTEGER NOT NULL,
        domain TEXT,
        container_id TEXT,
        status TEXT NOT NULL DEFAULT 'stopped',
        created_at INTEGER NOT NULL,
        updated_at INTEGER NOT NULL
      )
    `);

    // Registries table
    this.query(`
      CREATE TABLE IF NOT EXISTS registries (
        id INTEGER PRIMARY KEY AUTOINCREMENT,
        url TEXT NOT NULL UNIQUE,
        username TEXT NOT NULL,
        password_encrypted TEXT NOT NULL,
        created_at INTEGER NOT NULL
      )
    `);

    // Nginx configs table
    this.query(`
      CREATE TABLE IF NOT EXISTS nginx_configs (
        id INTEGER PRIMARY KEY AUTOINCREMENT,
        service_id INTEGER NOT NULL,
        domain TEXT NOT NULL,
        port INTEGER NOT NULL,
        ssl_enabled INTEGER NOT NULL DEFAULT 0,
        config_template TEXT NOT NULL,
        created_at INTEGER NOT NULL,
        updated_at INTEGER NOT NULL,
        FOREIGN KEY (service_id) REFERENCES services(id) ON DELETE CASCADE
      )
    `);

    // SSL certificates table
    this.query(`
      CREATE TABLE IF NOT EXISTS ssl_certificates (
        id INTEGER PRIMARY KEY AUTOINCREMENT,
        domain TEXT NOT NULL UNIQUE,
        cert_path TEXT NOT NULL,
        key_path TEXT NOT NULL,
        full_chain_path TEXT NOT NULL,
        expiry_date INTEGER NOT NULL,
        issuer TEXT NOT NULL,
        created_at INTEGER NOT NULL,
        updated_at INTEGER NOT NULL
      )
    `);

    // DNS records table
    this.query(`
      CREATE TABLE IF NOT EXISTS dns_records (
        id INTEGER PRIMARY KEY AUTOINCREMENT,
        domain TEXT NOT NULL UNIQUE,
        type TEXT NOT NULL,
        value TEXT NOT NULL,
        cloudflare_id TEXT,
        zone_id TEXT,
        created_at INTEGER NOT NULL,
        updated_at INTEGER NOT NULL
      )
    `);

    // Metrics table
    this.query(`
      CREATE TABLE IF NOT EXISTS metrics (
        id INTEGER PRIMARY KEY AUTOINCREMENT,
        service_id INTEGER NOT NULL,
        timestamp INTEGER NOT NULL,
        cpu_percent REAL NOT NULL,
        memory_used INTEGER NOT NULL,
        memory_limit INTEGER NOT NULL,
        network_rx_bytes INTEGER NOT NULL,
        network_tx_bytes INTEGER NOT NULL,
        FOREIGN KEY (service_id) REFERENCES services(id) ON DELETE CASCADE
      )
    `);

    // Create index for metrics queries
    this.query(`
      CREATE INDEX IF NOT EXISTS idx_metrics_service_timestamp
      ON metrics(service_id, timestamp DESC)
    `);

    // Logs table
    this.query(`
      CREATE TABLE IF NOT EXISTS logs (
        id INTEGER PRIMARY KEY AUTOINCREMENT,
        service_id INTEGER NOT NULL,
        timestamp INTEGER NOT NULL,
        message TEXT NOT NULL,
        level TEXT NOT NULL,
        source TEXT NOT NULL,
        FOREIGN KEY (service_id) REFERENCES services(id) ON DELETE CASCADE
      )
    `);

    // Create index for logs queries
    this.query(`
      CREATE INDEX IF NOT EXISTS idx_logs_service_timestamp
      ON logs(service_id, timestamp DESC)
    `);

    // Users table
    this.query(`
      CREATE TABLE IF NOT EXISTS users (
        id INTEGER PRIMARY KEY AUTOINCREMENT,
        username TEXT NOT NULL UNIQUE,
        password_hash TEXT NOT NULL,
        role TEXT NOT NULL DEFAULT 'user',
        created_at INTEGER NOT NULL,
        updated_at INTEGER NOT NULL
      )
    `);

    // Settings table
    this.query(`
      CREATE TABLE IF NOT EXISTS settings (
        key TEXT PRIMARY KEY,
        value TEXT NOT NULL,
        updated_at INTEGER NOT NULL
      )
    `);

    // Version table for migrations
    this.query(`
      CREATE TABLE IF NOT EXISTS migrations (
        version INTEGER PRIMARY KEY,
        applied_at INTEGER NOT NULL
      )
    `);

    logger.debug('Database tables created successfully');
  }

  /**
   * Run database migrations
   */
  private async runMigrations(): Promise<void> {
    if (!this.db) throw new Error('Database not initialized');

    try {
      const currentVersion = this.getMigrationVersion();
      logger.info(`Current database migration version: ${currentVersion}`);

      // Migration 1: Initial schema
      if (currentVersion === 0) {
        logger.info('Setting initial migration version to 1');
        this.setMigrationVersion(1);
      }

      // Migration 2: Convert timestamp columns from INTEGER to REAL
      const updatedVersion = this.getMigrationVersion();
      if (updatedVersion < 2) {
        logger.info('Running migration 2: Converting timestamps to REAL...');

      // For each table, we need to:
      // 1. Create new table with REAL timestamps
      // 2. Copy data
      // 3. Drop old table
      // 4. Rename new table

      // SSL certificates
      this.query(`
        CREATE TABLE ssl_certificates_new (
          id INTEGER PRIMARY KEY AUTOINCREMENT,
          domain TEXT NOT NULL UNIQUE,
          cert_path TEXT NOT NULL,
          key_path TEXT NOT NULL,
          full_chain_path TEXT NOT NULL,
          expiry_date REAL NOT NULL,
          issuer TEXT NOT NULL,
          created_at REAL NOT NULL,
          updated_at REAL NOT NULL
        )
      `);
      this.query(`INSERT INTO ssl_certificates_new SELECT * FROM ssl_certificates`);
      this.query(`DROP TABLE ssl_certificates`);
      this.query(`ALTER TABLE ssl_certificates_new RENAME TO ssl_certificates`);

      // Services
      this.query(`
        CREATE TABLE services_new (
          id INTEGER PRIMARY KEY AUTOINCREMENT,
          name TEXT NOT NULL UNIQUE,
          image TEXT NOT NULL,
          registry TEXT,
          env_vars TEXT NOT NULL,
          port INTEGER NOT NULL,
          domain TEXT,
          container_id TEXT,
          status TEXT NOT NULL DEFAULT 'stopped',
          created_at REAL NOT NULL,
          updated_at REAL NOT NULL
        )
      `);
      this.query(`INSERT INTO services_new SELECT * FROM services`);
      this.query(`DROP TABLE services`);
      this.query(`ALTER TABLE services_new RENAME TO services`);

      // Registries
      this.query(`
        CREATE TABLE registries_new (
          id INTEGER PRIMARY KEY AUTOINCREMENT,
          url TEXT NOT NULL UNIQUE,
          username TEXT NOT NULL,
          password_encrypted TEXT NOT NULL,
          created_at REAL NOT NULL
        )
      `);
      this.query(`INSERT INTO registries_new SELECT * FROM registries`);
      this.query(`DROP TABLE registries`);
      this.query(`ALTER TABLE registries_new RENAME TO registries`);

      // Nginx configs
      this.query(`
        CREATE TABLE nginx_configs_new (
          id INTEGER PRIMARY KEY AUTOINCREMENT,
          service_id INTEGER NOT NULL,
          domain TEXT NOT NULL,
          port INTEGER NOT NULL,
          ssl_enabled INTEGER NOT NULL DEFAULT 0,
          config_template TEXT NOT NULL,
          created_at REAL NOT NULL,
          updated_at REAL NOT NULL,
          FOREIGN KEY (service_id) REFERENCES services(id) ON DELETE CASCADE
        )
      `);
      this.query(`INSERT INTO nginx_configs_new SELECT * FROM nginx_configs`);
      this.query(`DROP TABLE nginx_configs`);
      this.query(`ALTER TABLE nginx_configs_new RENAME TO nginx_configs`);

      // DNS records
      this.query(`
        CREATE TABLE dns_records_new (
          id INTEGER PRIMARY KEY AUTOINCREMENT,
          domain TEXT NOT NULL UNIQUE,
          type TEXT NOT NULL,
          value TEXT NOT NULL,
          cloudflare_id TEXT,
          zone_id TEXT,
          created_at REAL NOT NULL,
          updated_at REAL NOT NULL
        )
      `);
      this.query(`INSERT INTO dns_records_new SELECT * FROM dns_records`);
      this.query(`DROP TABLE dns_records`);
      this.query(`ALTER TABLE dns_records_new RENAME TO dns_records`);

      // Metrics
      this.query(`
        CREATE TABLE metrics_new (
          id INTEGER PRIMARY KEY AUTOINCREMENT,
          service_id INTEGER NOT NULL,
          timestamp REAL NOT NULL,
          cpu_percent REAL NOT NULL,
          memory_used INTEGER NOT NULL,
          memory_limit INTEGER NOT NULL,
          network_rx_bytes INTEGER NOT NULL,
          network_tx_bytes INTEGER NOT NULL,
          FOREIGN KEY (service_id) REFERENCES services(id) ON DELETE CASCADE
        )
      `);
      this.query(`INSERT INTO metrics_new SELECT * FROM metrics`);
      this.query(`DROP TABLE metrics`);
      this.query(`ALTER TABLE metrics_new RENAME TO metrics`);
      this.query(`CREATE INDEX IF NOT EXISTS idx_metrics_service_timestamp ON metrics(service_id, timestamp DESC)`);

      // Logs
      this.query(`
        CREATE TABLE logs_new (
          id INTEGER PRIMARY KEY AUTOINCREMENT,
          service_id INTEGER NOT NULL,
          timestamp REAL NOT NULL,
          message TEXT NOT NULL,
          level TEXT NOT NULL,
          source TEXT NOT NULL,
          FOREIGN KEY (service_id) REFERENCES services(id) ON DELETE CASCADE
        )
      `);
      this.query(`INSERT INTO logs_new SELECT * FROM logs`);
      this.query(`DROP TABLE logs`);
      this.query(`ALTER TABLE logs_new RENAME TO logs`);
      this.query(`CREATE INDEX IF NOT EXISTS idx_logs_service_timestamp ON logs(service_id, timestamp DESC)`);

      // Users
      this.query(`
        CREATE TABLE users_new (
          id INTEGER PRIMARY KEY AUTOINCREMENT,
          username TEXT NOT NULL UNIQUE,
          password_hash TEXT NOT NULL,
          role TEXT NOT NULL DEFAULT 'user',
          created_at REAL NOT NULL,
          updated_at REAL NOT NULL
        )
      `);
      this.query(`INSERT INTO users_new SELECT * FROM users`);
      this.query(`DROP TABLE users`);
      this.query(`ALTER TABLE users_new RENAME TO users`);

      // Settings
      this.query(`
        CREATE TABLE settings_new (
          key TEXT PRIMARY KEY,
          value TEXT NOT NULL,
          updated_at REAL NOT NULL
        )
      `);
      this.query(`INSERT INTO settings_new SELECT * FROM settings`);
      this.query(`DROP TABLE settings`);
      this.query(`ALTER TABLE settings_new RENAME TO settings`);

      // Migrations table itself
      this.query(`
        CREATE TABLE migrations_new (
          version INTEGER PRIMARY KEY,
          applied_at REAL NOT NULL
        )
      `);
      this.query(`INSERT INTO migrations_new SELECT * FROM migrations`);
      this.query(`DROP TABLE migrations`);
      this.query(`ALTER TABLE migrations_new RENAME TO migrations`);

      this.setMigrationVersion(2);
      logger.success('Migration 2 completed: All timestamps converted to REAL');
    }

    // Migration 3: Domain management tables
    const version3 = this.getMigrationVersion();
    if (version3 < 3) {
      logger.info('Running migration 3: Creating domain management tables...');

      // 1. Create domains table
      this.query(`
        CREATE TABLE domains (
          id INTEGER PRIMARY KEY AUTOINCREMENT,
          domain TEXT NOT NULL UNIQUE,
          dns_provider TEXT,
          cloudflare_zone_id TEXT,
          is_obsolete INTEGER NOT NULL DEFAULT 0,
          default_wildcard INTEGER NOT NULL DEFAULT 1,
          created_at REAL NOT NULL,
          updated_at REAL NOT NULL
        )
      `);

      // 2. Create certificates table (renamed from ssl_certificates)
      this.query(`
        CREATE TABLE certificates (
          id INTEGER PRIMARY KEY AUTOINCREMENT,
          domain_id INTEGER NOT NULL,
          cert_domain TEXT NOT NULL,
          is_wildcard INTEGER NOT NULL DEFAULT 0,
          cert_path TEXT NOT NULL,
          key_path TEXT NOT NULL,
          full_chain_path TEXT NOT NULL,
          expiry_date REAL NOT NULL,
          issuer TEXT NOT NULL,
          is_valid INTEGER NOT NULL DEFAULT 1,
          created_at REAL NOT NULL,
          updated_at REAL NOT NULL,
          FOREIGN KEY (domain_id) REFERENCES domains(id) ON DELETE CASCADE
        )
      `);

      // 3. Create cert_requirements table
      this.query(`
        CREATE TABLE cert_requirements (
          id INTEGER PRIMARY KEY AUTOINCREMENT,
          service_id INTEGER NOT NULL,
          domain_id INTEGER NOT NULL,
          subdomain TEXT NOT NULL,
          certificate_id INTEGER,
          status TEXT NOT NULL DEFAULT 'pending',
          created_at REAL NOT NULL,
          updated_at REAL NOT NULL,
          FOREIGN KEY (service_id) REFERENCES services(id) ON DELETE CASCADE,
          FOREIGN KEY (domain_id) REFERENCES domains(id) ON DELETE CASCADE,
          FOREIGN KEY (certificate_id) REFERENCES certificates(id) ON DELETE SET NULL
        )
      `);

      // 4. Migrate existing ssl_certificates data
      //    Extract unique base domains from existing certificates
      interface OldSslCert {
        id?: number;
        domain?: string;
        cert_path?: string;
        key_path?: string;
        full_chain_path?: string;
        expiry_date?: number;
        issuer?: string;
        created_at?: number;
        updated_at?: number;
        [key: number]: unknown; // Allow array-style access as fallback
      }
      const existingCerts = this.query<OldSslCert>('SELECT * FROM ssl_certificates');

      const now = Date.now();
      const domainMap = new Map<string, number>();

      // Create domain entries for each unique base domain
      for (const cert of existingCerts) {
        const domain = String(cert.domain ?? (cert as Record<number, unknown>)[1]);
        if (!domainMap.has(domain)) {
          this.query(
            'INSERT INTO domains (domain, dns_provider, is_obsolete, default_wildcard, created_at, updated_at) VALUES (?, ?, ?, ?, ?, ?)',
            [domain, null, 0, 1, now, now]
          );
          const result = this.query<{ id?: number; [key: number]: unknown }>('SELECT last_insert_rowid() as id');
          const domainId = result[0].id ?? (result[0] as Record<number, unknown>)[0];
          domainMap.set(domain, Number(domainId));
        }
      }

      // Migrate certificates to new table
      for (const cert of existingCerts) {
        const domain = String(cert.domain ?? (cert as Record<number, unknown>)[1]);
        const domainId = domainMap.get(domain);

        this.query(
          `INSERT INTO certificates (
            domain_id, cert_domain, is_wildcard, cert_path, key_path, full_chain_path,
            expiry_date, issuer, is_valid, created_at, updated_at
          ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`,
          [
            domainId,
            domain,
            0, // We don't know if it's wildcard, default to false
            String(cert.cert_path ?? (cert as Record<number, unknown>)[2]),
            String(cert.key_path ?? (cert as Record<number, unknown>)[3]),
            String(cert.full_chain_path ?? (cert as Record<number, unknown>)[4]),
            Number(cert.expiry_date ?? (cert as Record<number, unknown>)[5]),
            String(cert.issuer ?? (cert as Record<number, unknown>)[6]),
            1, // Assume valid
            Number(cert.created_at ?? (cert as Record<number, unknown>)[7]),
            Number(cert.updated_at ?? (cert as Record<number, unknown>)[8])
          ]
        );
      }

      // 5. Drop old ssl_certificates table
      this.query('DROP TABLE ssl_certificates');

      // 6. Create indices for performance
      this.query('CREATE INDEX IF NOT EXISTS idx_domains_cloudflare_zone ON domains(cloudflare_zone_id)');
      this.query('CREATE INDEX IF NOT EXISTS idx_certificates_domain ON certificates(domain_id)');
      this.query('CREATE INDEX IF NOT EXISTS idx_certificates_expiry ON certificates(expiry_date)');
      this.query('CREATE INDEX IF NOT EXISTS idx_cert_requirements_service ON cert_requirements(service_id)');
      this.query('CREATE INDEX IF NOT EXISTS idx_cert_requirements_domain ON cert_requirements(domain_id)');

      this.setMigrationVersion(3);
      logger.success('Migration 3 completed: Domain management tables created');
    }

    // Migration 4: Add Onebox Registry support columns to services table
    const version4 = this.getMigrationVersion();
    if (version4 < 4) {
      logger.info('Running migration 4: Adding Onebox Registry columns to services table...');

      // Add new columns for registry support
      this.query(`
        ALTER TABLE services ADD COLUMN use_onebox_registry INTEGER DEFAULT 0
      `);
      this.query(`
        ALTER TABLE services ADD COLUMN registry_repository TEXT
      `);
      this.query(`
        ALTER TABLE services ADD COLUMN registry_token TEXT
      `);
      this.query(`
        ALTER TABLE services ADD COLUMN registry_image_tag TEXT DEFAULT 'latest'
      `);
      this.query(`
        ALTER TABLE services ADD COLUMN auto_update_on_push INTEGER DEFAULT 0
      `);
      this.query(`
        ALTER TABLE services ADD COLUMN image_digest TEXT
      `);

      this.setMigrationVersion(4);
      logger.success('Migration 4 completed: Onebox Registry columns added to services table');
    }

    // Migration 5: Registry tokens table
    const version5 = this.getMigrationVersion();
    if (version5 < 5) {
      logger.info('Running migration 5: Creating registry_tokens table...');

      this.query(`
        CREATE TABLE registry_tokens (
          id INTEGER PRIMARY KEY AUTOINCREMENT,
          name TEXT NOT NULL,
          token_hash TEXT NOT NULL UNIQUE,
          token_type TEXT NOT NULL,
          scope TEXT NOT NULL,
          expires_at REAL,
          created_at REAL NOT NULL,
          last_used_at REAL,
          created_by TEXT NOT NULL
        )
      `);

      // Create indices for performance
      this.query('CREATE INDEX IF NOT EXISTS idx_registry_tokens_type ON registry_tokens(token_type)');
      this.query('CREATE INDEX IF NOT EXISTS idx_registry_tokens_hash ON registry_tokens(token_hash)');

      this.setMigrationVersion(5);
      logger.success('Migration 5 completed: Registry tokens table created');
    }

    // Migration 6: Drop registry_token column from services table (replaced by registry_tokens table)
    const version6 = this.getMigrationVersion();
    if (version6 < 6) {
      logger.info('Running migration 6: Dropping registry_token column from services table...');

      // SQLite doesn't support DROP COLUMN directly, so we need to recreate the table
      // Create new table without registry_token
      this.query(`
        CREATE TABLE services_new (
          id INTEGER PRIMARY KEY AUTOINCREMENT,
          name TEXT NOT NULL UNIQUE,
          image TEXT NOT NULL,
          registry TEXT,
          env_vars TEXT,
          port INTEGER NOT NULL,
          domain TEXT,
          container_id TEXT,
          status TEXT NOT NULL,
          created_at REAL NOT NULL,
          updated_at REAL NOT NULL,
          use_onebox_registry INTEGER DEFAULT 0,
          registry_repository TEXT,
          registry_image_tag TEXT DEFAULT 'latest',
          auto_update_on_push INTEGER DEFAULT 0,
          image_digest TEXT
        )
      `);

      // Copy data (excluding registry_token)
      this.query(`
        INSERT INTO services_new (
          id, name, image, registry, env_vars, port, domain, container_id, status,
          created_at, updated_at, use_onebox_registry, registry_repository,
          registry_image_tag, auto_update_on_push, image_digest
        )
        SELECT
          id, name, image, registry, env_vars, port, domain, container_id, status,
          created_at, updated_at, use_onebox_registry, registry_repository,
          registry_image_tag, auto_update_on_push, image_digest
        FROM services
      `);

      // Drop old table
      this.query('DROP TABLE services');

      // Rename new table
      this.query('ALTER TABLE services_new RENAME TO services');

      // Recreate indices
      this.query('CREATE INDEX IF NOT EXISTS idx_services_name ON services(name)');
      this.query('CREATE INDEX IF NOT EXISTS idx_services_status ON services(status)');

      this.setMigrationVersion(6);
      logger.success('Migration 6 completed: registry_token column dropped from services table');
    }

    // Migration 7: Platform services tables
    const version7 = this.getMigrationVersion();
    if (version7 < 7) {
      logger.info('Running migration 7: Creating platform services tables...');

      // Create platform_services table
      this.query(`
        CREATE TABLE platform_services (
          id INTEGER PRIMARY KEY AUTOINCREMENT,
          name TEXT NOT NULL UNIQUE,
          type TEXT NOT NULL,
          status TEXT NOT NULL DEFAULT 'stopped',
          container_id TEXT,
          config TEXT NOT NULL DEFAULT '{}',
          admin_credentials_encrypted TEXT,
          created_at REAL NOT NULL,
          updated_at REAL NOT NULL
        )
      `);

      // Create platform_resources table
      this.query(`
        CREATE TABLE platform_resources (
          id INTEGER PRIMARY KEY AUTOINCREMENT,
          platform_service_id INTEGER NOT NULL,
          service_id INTEGER NOT NULL,
          resource_type TEXT NOT NULL,
          resource_name TEXT NOT NULL,
          credentials_encrypted TEXT NOT NULL,
          created_at REAL NOT NULL,
          FOREIGN KEY (platform_service_id) REFERENCES platform_services(id) ON DELETE CASCADE,
          FOREIGN KEY (service_id) REFERENCES services(id) ON DELETE CASCADE
        )
      `);

      // Add platform_requirements column to services table
      this.query(`
        ALTER TABLE services ADD COLUMN platform_requirements TEXT DEFAULT '{}'
      `);

      // Create indices
      this.query('CREATE INDEX IF NOT EXISTS idx_platform_services_type ON platform_services(type)');
      this.query('CREATE INDEX IF NOT EXISTS idx_platform_resources_service ON platform_resources(service_id)');
      this.query('CREATE INDEX IF NOT EXISTS idx_platform_resources_platform ON platform_resources(platform_service_id)');

      this.setMigrationVersion(7);
      logger.success('Migration 7 completed: Platform services tables created');
    }
  } catch (error) {
    logger.error(`Migration failed: ${getErrorMessage(error)}`);
    if (error instanceof Error && error.stack) {
      logger.error(`Stack: ${error.stack}`);
    }
    throw error;
  }
}

  /**
   * Get current migration version
   */
  private getMigrationVersion(): number {
    if (!this.db) throw new Error('Database not initialized');

    try {
      const result = this.query<{ version?: number | null; [key: number]: unknown }>('SELECT MAX(version) as version FROM migrations');
      if (result.length === 0) return 0;

      // Handle both array and object access patterns
      const versionValue = result[0].version ?? (result[0] as Record<number, unknown>)[0];
      return versionValue !== null && versionValue !== undefined ? Number(versionValue) : 0;
    } catch (error) {
      logger.warn(`Error getting migration version: ${getErrorMessage(error)}, defaulting to 0`);
      return 0;
    }
  }

  /**
   * Set migration version
   */
  private setMigrationVersion(version: number): void {
    if (!this.db) throw new Error('Database not initialized');

    this.query('INSERT INTO migrations (version, applied_at) VALUES (?, ?)', [
      version,
      Date.now(),
    ]);
    logger.debug(`Migration version set to ${version}`);
  }

  /**
   * Close database connection
   */
  close(): void {
    if (this.db) {
      this.db.close();
      this.db = null;
      logger.debug('Database connection closed');
    }
  }

  /**
   * Execute a raw query
   */
  query<T = Record<string, unknown>>(sql: string, params: BindValue[] = []): T[] {
    if (!this.db) {
      const error = new Error('Database not initialized');
      console.error('Database access before initialization!');
      console.error('Stack trace:', error.stack);
      throw error;
    }

    // For queries without parameters, use exec for better performance
    if (params.length === 0 && !sql.trim().toUpperCase().startsWith('SELECT')) {
      this.db.exec(sql);
      return [] as T[];
    }

    // For SELECT queries or statements with parameters, use prepare().all()
    const stmt = this.db.prepare(sql);
    try {
      const result = stmt.all(...params);
      return result as T[];
    } finally {
      stmt.finalize();
    }
  }

  // ============ Services CRUD ============

  async createService(service: Omit<IService, 'id'>): Promise<IService> {
    if (!this.db) throw new Error('Database not initialized');

    const now = Date.now();
    this.query(
      `INSERT INTO services (
        name, image, registry, env_vars, port, domain, container_id, status,
        created_at, updated_at,
        use_onebox_registry, registry_repository, registry_image_tag,
        auto_update_on_push, image_digest, platform_requirements
      ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`,
      [
        service.name,
        service.image,
        service.registry || null,
        JSON.stringify(service.envVars),
        service.port,
        service.domain || null,
        service.containerID || null,
        service.status,
        now,
        now,
        service.useOneboxRegistry ? 1 : 0,
        service.registryRepository || null,
        service.registryImageTag || 'latest',
        service.autoUpdateOnPush ? 1 : 0,
        service.imageDigest || null,
        JSON.stringify(service.platformRequirements || {}),
      ]
    );

    return this.getServiceByName(service.name)!;
  }

  getServiceByName(name: string): IService | null {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM services WHERE name = ?', [name]);
    if (rows.length > 0) {
      logger.info(`getServiceByName: raw row data: ${JSON.stringify(rows[0])}`);
      const service = this.rowToService(rows[0]);
      logger.info(`getServiceByName: service object containerID: ${service.containerID}`);
      return service;
    }
    return null;
  }

  getServiceByID(id: number): IService | null {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM services WHERE id = ?', [id]);
    return rows.length > 0 ? this.rowToService(rows[0]) : null;
  }

  getAllServices(): IService[] {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM services ORDER BY created_at DESC');
    return rows.map((row) => this.rowToService(row));
  }

  updateService(id: number, updates: Partial<IService>): void {
    if (!this.db) throw new Error('Database not initialized');

    const fields: string[] = [];
    const values: BindValue[] = [];

    if (updates.image !== undefined) {
      fields.push('image = ?');
      values.push(updates.image);
    }
    if (updates.registry !== undefined) {
      fields.push('registry = ?');
      values.push(updates.registry);
    }
    if (updates.envVars !== undefined) {
      fields.push('env_vars = ?');
      values.push(JSON.stringify(updates.envVars));
    }
    if (updates.port !== undefined) {
      fields.push('port = ?');
      values.push(updates.port);
    }
    if (updates.domain !== undefined) {
      fields.push('domain = ?');
      values.push(updates.domain);
    }
    if (updates.containerID !== undefined) {
      fields.push('container_id = ?');
      values.push(updates.containerID);
    }
    if (updates.status !== undefined) {
      fields.push('status = ?');
      values.push(updates.status);
    }
    // Onebox Registry fields
    if (updates.useOneboxRegistry !== undefined) {
      fields.push('use_onebox_registry = ?');
      values.push(updates.useOneboxRegistry ? 1 : 0);
    }
    if (updates.registryRepository !== undefined) {
      fields.push('registry_repository = ?');
      values.push(updates.registryRepository);
    }
    if (updates.registryImageTag !== undefined) {
      fields.push('registry_image_tag = ?');
      values.push(updates.registryImageTag);
    }
    if (updates.autoUpdateOnPush !== undefined) {
      fields.push('auto_update_on_push = ?');
      values.push(updates.autoUpdateOnPush ? 1 : 0);
    }
    if (updates.imageDigest !== undefined) {
      fields.push('image_digest = ?');
      values.push(updates.imageDigest);
    }
    if (updates.platformRequirements !== undefined) {
      fields.push('platform_requirements = ?');
      values.push(JSON.stringify(updates.platformRequirements));
    }

    fields.push('updated_at = ?');
    values.push(Date.now());
    values.push(id);

    this.query(`UPDATE services SET ${fields.join(', ')} WHERE id = ?`, values);
  }

  deleteService(id: number): void {
    if (!this.db) throw new Error('Database not initialized');
    this.query('DELETE FROM services WHERE id = ?', [id]);
  }

  private rowToService(row: any): IService {
    // Handle env_vars JSON parsing safely
    let envVars = {};
    const envVarsRaw = row.env_vars || row[4];
    if (envVarsRaw && envVarsRaw !== 'undefined' && envVarsRaw !== 'null') {
      try {
        envVars = JSON.parse(String(envVarsRaw));
      } catch (e) {
        logger.warn(`Failed to parse env_vars for service: ${getErrorMessage(e)}`);
        envVars = {};
      }
    }

    // Handle platform_requirements JSON parsing safely
    let platformRequirements: IPlatformRequirements | undefined;
    const platformReqRaw = row.platform_requirements;
    if (platformReqRaw && platformReqRaw !== 'undefined' && platformReqRaw !== 'null' && platformReqRaw !== '{}') {
      try {
        platformRequirements = JSON.parse(String(platformReqRaw));
      } catch (e) {
        logger.warn(`Failed to parse platform_requirements for service: ${getErrorMessage(e)}`);
        platformRequirements = undefined;
      }
    }

    return {
      id: Number(row.id || row[0]),
      name: String(row.name || row[1]),
      image: String(row.image || row[2]),
      registry: (row.registry || row[3]) ? String(row.registry || row[3]) : undefined,
      envVars,
      port: Number(row.port || row[5]),
      domain: (row.domain || row[6]) ? String(row.domain || row[6]) : undefined,
      containerID: (row.container_id || row[7]) ? String(row.container_id || row[7]) : undefined,
      status: String(row.status || row[8]) as IService['status'],
      createdAt: Number(row.created_at || row[9]),
      updatedAt: Number(row.updated_at || row[10]),
      // Onebox Registry fields
      useOneboxRegistry: row.use_onebox_registry ? Boolean(row.use_onebox_registry) : undefined,
      registryRepository: row.registry_repository ? String(row.registry_repository) : undefined,
      registryImageTag: row.registry_image_tag ? String(row.registry_image_tag) : undefined,
      autoUpdateOnPush: row.auto_update_on_push ? Boolean(row.auto_update_on_push) : undefined,
      imageDigest: row.image_digest ? String(row.image_digest) : undefined,
      // Platform service requirements
      platformRequirements,
    };
  }

  // ============ Registries CRUD ============

  async createRegistry(registry: Omit<IRegistry, 'id'>): Promise<IRegistry> {
    if (!this.db) throw new Error('Database not initialized');

    const now = Date.now();
    this.query(
      'INSERT INTO registries (url, username, password_encrypted, created_at) VALUES (?, ?, ?, ?)',
      [registry.url, registry.username, registry.passwordEncrypted, now]
    );

    return this.getRegistryByURL(registry.url)!;
  }

  getRegistryByURL(url: string): IRegistry | null {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM registries WHERE url = ?', [url]);
    return rows.length > 0 ? this.rowToRegistry(rows[0]) : null;
  }

  getAllRegistries(): IRegistry[] {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM registries ORDER BY created_at DESC');
    return rows.map((row) => this.rowToRegistry(row));
  }

  deleteRegistry(url: string): void {
    if (!this.db) throw new Error('Database not initialized');
    this.query('DELETE FROM registries WHERE url = ?', [url]);
  }

  private rowToRegistry(row: any): IRegistry {
    return {
      id: Number(row.id || row[0]),
      url: String(row.url || row[1]),
      username: String(row.username || row[2]),
      passwordEncrypted: String(row.password_encrypted || row[3]),
      createdAt: Number(row.created_at || row[4]),
    };
  }

  // ============ Settings CRUD ============

  getSetting(key: string): string | null {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT value FROM settings WHERE key = ?', [key]);
    if (rows.length === 0) return null;

    // @db/sqlite returns rows as objects with column names as keys
    const value = (rows[0] as any).value || rows[0][0];
    return value ? String(value) : null;
  }

  setSetting(key: string, value: string): void {
    if (!this.db) throw new Error('Database not initialized');

    const now = Date.now();
    this.query(
      'INSERT OR REPLACE INTO settings (key, value, updated_at) VALUES (?, ?, ?)',
      [key, value, now]
    );
  }

  getAllSettings(): Record<string, string> {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT key, value FROM settings');
    const settings: Record<string, string> = {};
    for (const row of rows) {
      // @db/sqlite returns rows as objects with column names as keys
      const key = (row as any).key || row[0];
      const value = (row as any).value || row[1];
      settings[String(key)] = String(value);
    }
    return settings;
  }

  // ============ Users CRUD ============

  async createUser(user: Omit<IUser, 'id'>): Promise<IUser> {
    if (!this.db) throw new Error('Database not initialized');

    const now = Date.now();
    this.query(
      'INSERT INTO users (username, password_hash, role, created_at, updated_at) VALUES (?, ?, ?, ?, ?)',
      [user.username, user.passwordHash, user.role, now, now]
    );

    return this.getUserByUsername(user.username)!;
  }

  getUserByUsername(username: string): IUser | null {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM users WHERE username = ?', [username]);
    return rows.length > 0 ? this.rowToUser(rows[0]) : null;
  }

  getAllUsers(): IUser[] {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM users ORDER BY created_at DESC');
    return rows.map((row) => this.rowToUser(row));
  }

  updateUserPassword(username: string, passwordHash: string): void {
    if (!this.db) throw new Error('Database not initialized');
    this.query('UPDATE users SET password_hash = ?, updated_at = ? WHERE username = ?', [
      passwordHash,
      Date.now(),
      username,
    ]);
  }

  deleteUser(username: string): void {
    if (!this.db) throw new Error('Database not initialized');
    this.query('DELETE FROM users WHERE username = ?', [username]);
  }

  private rowToUser(row: any): IUser {
    return {
      id: Number(row.id || row[0]),
      username: String(row.username || row[1]),
      passwordHash: String(row.password_hash || row[2]),
      role: String(row.role || row[3]) as IUser['role'],
      createdAt: Number(row.created_at || row[4]),
      updatedAt: Number(row.updated_at || row[5]),
    };
  }

  // ============ Metrics ============

  addMetric(metric: Omit<IMetric, 'id'>): void {
    if (!this.db) throw new Error('Database not initialized');

    this.query(
      `INSERT INTO metrics (service_id, timestamp, cpu_percent, memory_used, memory_limit, network_rx_bytes, network_tx_bytes)
       VALUES (?, ?, ?, ?, ?, ?, ?)`,
      [
        metric.serviceId,
        metric.timestamp,
        metric.cpuPercent,
        metric.memoryUsed,
        metric.memoryLimit,
        metric.networkRxBytes,
        metric.networkTxBytes,
      ]
    );
  }

  getMetrics(serviceId: number, limit = 100): IMetric[] {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query(
      'SELECT * FROM metrics WHERE service_id = ? ORDER BY timestamp DESC LIMIT ?',
      [serviceId, limit]
    );
    return rows.map((row) => this.rowToMetric(row));
  }

  private rowToMetric(row: any): IMetric {
    return {
      id: Number(row.id || row[0]),
      serviceId: Number(row.service_id || row[1]),
      timestamp: Number(row.timestamp || row[2]),
      cpuPercent: Number(row.cpu_percent || row[3]),
      memoryUsed: Number(row.memory_used || row[4]),
      memoryLimit: Number(row.memory_limit || row[5]),
      networkRxBytes: Number(row.network_rx_bytes || row[6]),
      networkTxBytes: Number(row.network_tx_bytes || row[7]),
    };
  }

  // ============ Logs ============

  addLog(log: Omit<ILogEntry, 'id'>): void {
    if (!this.db) throw new Error('Database not initialized');

    this.query(
      'INSERT INTO logs (service_id, timestamp, message, level, source) VALUES (?, ?, ?, ?, ?)',
      [log.serviceId, log.timestamp, log.message, log.level, log.source]
    );
  }

  getLogs(serviceId: number, limit = 1000): ILogEntry[] {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query(
      'SELECT * FROM logs WHERE service_id = ? ORDER BY timestamp DESC LIMIT ?',
      [serviceId, limit]
    );
    return rows.map((row) => this.rowToLog(row));
  }

  private rowToLog(row: any): ILogEntry {
    return {
      id: Number(row.id || row[0]),
      serviceId: Number(row.service_id || row[1]),
      timestamp: Number(row.timestamp || row[2]),
      message: String(row.message || row[3]),
      level: String(row.level || row[4]) as ILogEntry['level'],
      source: String(row.source || row[5]) as ILogEntry['source'],
    };
  }

  // ============ SSL Certificates ============

  async createSSLCertificate(cert: Omit<ISslCertificate, 'id'>): Promise<ISslCertificate> {
    if (!this.db) throw new Error('Database not initialized');

    const now = Date.now();
    this.query(
      `INSERT INTO ssl_certificates (domain, cert_path, key_path, full_chain_path, expiry_date, issuer, created_at, updated_at)
       VALUES (?, ?, ?, ?, ?, ?, ?, ?)`,
      [
        cert.domain,
        cert.certPath,
        cert.keyPath,
        cert.fullChainPath,
        cert.expiryDate,
        cert.issuer,
        now,
        now,
      ]
    );

    return this.getSSLCertificate(cert.domain)!;
  }

  getSSLCertificate(domain: string): ISslCertificate | null {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM ssl_certificates WHERE domain = ?', [domain]);
    return rows.length > 0 ? this.rowToSSLCert(rows[0]) : null;
  }

  getAllSSLCertificates(): ISslCertificate[] {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM ssl_certificates ORDER BY expiry_date ASC');
    return rows.map((row) => this.rowToSSLCert(row));
  }

  updateSSLCertificate(domain: string, updates: Partial<ISslCertificate>): void {
    if (!this.db) throw new Error('Database not initialized');

    const fields: string[] = [];
    const values: BindValue[] = [];

    if (updates.certPath) {
      fields.push('cert_path = ?');
      values.push(updates.certPath);
    }
    if (updates.keyPath) {
      fields.push('key_path = ?');
      values.push(updates.keyPath);
    }
    if (updates.fullChainPath) {
      fields.push('full_chain_path = ?');
      values.push(updates.fullChainPath);
    }
    if (updates.expiryDate) {
      fields.push('expiry_date = ?');
      values.push(updates.expiryDate);
    }

    fields.push('updated_at = ?');
    values.push(Date.now());
    values.push(domain);

    this.query(`UPDATE ssl_certificates SET ${fields.join(', ')} WHERE domain = ?`, values);
  }

  deleteSSLCertificate(domain: string): void {
    if (!this.db) throw new Error('Database not initialized');
    this.query('DELETE FROM ssl_certificates WHERE domain = ?', [domain]);
  }

  private rowToSSLCert(row: any): ISslCertificate {
    return {
      id: Number(row.id || row[0]),
      domain: String(row.domain || row[1]),
      certPath: String(row.cert_path || row[2]),
      keyPath: String(row.key_path || row[3]),
      fullChainPath: String(row.full_chain_path || row[4]),
      expiryDate: Number(row.expiry_date || row[5]),
      issuer: String(row.issuer || row[6]),
      createdAt: Number(row.created_at || row[7]),
      updatedAt: Number(row.updated_at || row[8]),
    };
  }

  // ============ Domains ============

  createDomain(domain: Omit<IDomain, 'id'>): IDomain {
    if (!this.db) throw new Error('Database not initialized');

    this.query(
      `INSERT INTO domains (domain, dns_provider, cloudflare_zone_id, is_obsolete, default_wildcard, created_at, updated_at)
       VALUES (?, ?, ?, ?, ?, ?, ?)`,
      [
        domain.domain,
        domain.dnsProvider,
        domain.cloudflareZoneId,
        domain.isObsolete ? 1 : 0,
        domain.defaultWildcard ? 1 : 0,
        domain.createdAt,
        domain.updatedAt,
      ]
    );

    return this.getDomainByName(domain.domain)!;
  }

  getDomainByName(domain: string): IDomain | null {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM domains WHERE domain = ?', [domain]);
    return rows.length > 0 ? this.rowToDomain(rows[0]) : null;
  }

  getDomainById(id: number): IDomain | null {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM domains WHERE id = ?', [id]);
    return rows.length > 0 ? this.rowToDomain(rows[0]) : null;
  }

  getAllDomains(): IDomain[] {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM domains ORDER BY domain ASC');
    return rows.map((row) => this.rowToDomain(row));
  }

  getDomainsByProvider(provider: 'cloudflare' | 'manual'): IDomain[] {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM domains WHERE dns_provider = ? ORDER BY domain ASC', [
      provider,
    ]);
    return rows.map((row) => this.rowToDomain(row));
  }

  updateDomain(id: number, updates: Partial<IDomain>): void {
    if (!this.db) throw new Error('Database not initialized');

    const fields: string[] = [];
    const values: BindValue[] = [];

    if (updates.domain !== undefined) {
      fields.push('domain = ?');
      values.push(updates.domain);
    }
    if (updates.dnsProvider !== undefined) {
      fields.push('dns_provider = ?');
      values.push(updates.dnsProvider);
    }
    if (updates.cloudflareZoneId !== undefined) {
      fields.push('cloudflare_zone_id = ?');
      values.push(updates.cloudflareZoneId);
    }
    if (updates.isObsolete !== undefined) {
      fields.push('is_obsolete = ?');
      values.push(updates.isObsolete ? 1 : 0);
    }
    if (updates.defaultWildcard !== undefined) {
      fields.push('default_wildcard = ?');
      values.push(updates.defaultWildcard ? 1 : 0);
    }

    fields.push('updated_at = ?');
    values.push(Date.now());
    values.push(id);

    this.query(`UPDATE domains SET ${fields.join(', ')} WHERE id = ?`, values);
  }

  deleteDomain(id: number): void {
    if (!this.db) throw new Error('Database not initialized');
    this.query('DELETE FROM domains WHERE id = ?', [id]);
  }

  private rowToDomain(row: any): IDomain {
    return {
      id: Number(row.id || row[0]),
      domain: String(row.domain || row[1]),
      dnsProvider: (row.dns_provider || row[2]) as IDomain['dnsProvider'],
      cloudflareZoneId: row.cloudflare_zone_id || row[3] || undefined,
      isObsolete: Boolean(row.is_obsolete || row[4]),
      defaultWildcard: Boolean(row.default_wildcard || row[5]),
      createdAt: Number(row.created_at || row[6]),
      updatedAt: Number(row.updated_at || row[7]),
    };
  }

  // ============ Certificates ============

  createCertificate(cert: Omit<ICertificate, 'id'>): ICertificate {
    if (!this.db) throw new Error('Database not initialized');

    this.query(
      `INSERT INTO certificates (domain_id, cert_domain, is_wildcard, cert_path, key_path, full_chain_path, expiry_date, issuer, is_valid, created_at, updated_at)
       VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`,
      [
        cert.domainId,
        cert.certDomain,
        cert.isWildcard ? 1 : 0,
        cert.certPath,
        cert.keyPath,
        cert.fullChainPath,
        cert.expiryDate,
        cert.issuer,
        cert.isValid ? 1 : 0,
        cert.createdAt,
        cert.updatedAt,
      ]
    );

    const rows = this.query('SELECT * FROM certificates WHERE id = last_insert_rowid()');
    return this.rowToCertificate(rows[0]);
  }

  getCertificateById(id: number): ICertificate | null {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM certificates WHERE id = ?', [id]);
    return rows.length > 0 ? this.rowToCertificate(rows[0]) : null;
  }

  getCertificatesByDomain(domainId: number): ICertificate[] {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM certificates WHERE domain_id = ? ORDER BY expiry_date DESC', [
      domainId,
    ]);
    return rows.map((row) => this.rowToCertificate(row));
  }

  getAllCertificates(): ICertificate[] {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM certificates ORDER BY expiry_date DESC');
    return rows.map((row) => this.rowToCertificate(row));
  }

  updateCertificate(id: number, updates: Partial<ICertificate>): void {
    if (!this.db) throw new Error('Database not initialized');

    const fields: string[] = [];
    const values: BindValue[] = [];

    if (updates.certDomain !== undefined) {
      fields.push('cert_domain = ?');
      values.push(updates.certDomain);
    }
    if (updates.isWildcard !== undefined) {
      fields.push('is_wildcard = ?');
      values.push(updates.isWildcard ? 1 : 0);
    }
    if (updates.certPath !== undefined) {
      fields.push('cert_path = ?');
      values.push(updates.certPath);
    }
    if (updates.keyPath !== undefined) {
      fields.push('key_path = ?');
      values.push(updates.keyPath);
    }
    if (updates.fullChainPath !== undefined) {
      fields.push('full_chain_path = ?');
      values.push(updates.fullChainPath);
    }
    if (updates.expiryDate !== undefined) {
      fields.push('expiry_date = ?');
      values.push(updates.expiryDate);
    }
    if (updates.issuer !== undefined) {
      fields.push('issuer = ?');
      values.push(updates.issuer);
    }
    if (updates.isValid !== undefined) {
      fields.push('is_valid = ?');
      values.push(updates.isValid ? 1 : 0);
    }

    fields.push('updated_at = ?');
    values.push(Date.now());
    values.push(id);

    this.query(`UPDATE certificates SET ${fields.join(', ')} WHERE id = ?`, values);
  }

  deleteCertificate(id: number): void {
    if (!this.db) throw new Error('Database not initialized');
    this.query('DELETE FROM certificates WHERE id = ?', [id]);
  }

  private rowToCertificate(row: any): ICertificate {
    return {
      id: Number(row.id || row[0]),
      domainId: Number(row.domain_id || row[1]),
      certDomain: String(row.cert_domain || row[2]),
      isWildcard: Boolean(row.is_wildcard || row[3]),
      certPath: String(row.cert_path || row[4]),
      keyPath: String(row.key_path || row[5]),
      fullChainPath: String(row.full_chain_path || row[6]),
      expiryDate: Number(row.expiry_date || row[7]),
      issuer: String(row.issuer || row[8]),
      isValid: Boolean(row.is_valid || row[9]),
      createdAt: Number(row.created_at || row[10]),
      updatedAt: Number(row.updated_at || row[11]),
    };
  }

  // ============ Certificate Requirements ============

  createCertRequirement(req: Omit<ICertRequirement, 'id'>): ICertRequirement {
    if (!this.db) throw new Error('Database not initialized');

    this.query(
      `INSERT INTO cert_requirements (service_id, domain_id, subdomain, certificate_id, status, created_at, updated_at)
       VALUES (?, ?, ?, ?, ?, ?, ?)`,
      [
        req.serviceId,
        req.domainId,
        req.subdomain,
        req.certificateId,
        req.status,
        req.createdAt,
        req.updatedAt,
      ]
    );

    const rows = this.query('SELECT * FROM cert_requirements WHERE id = last_insert_rowid()');
    return this.rowToCertRequirement(rows[0]);
  }

  getCertRequirementById(id: number): ICertRequirement | null {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM cert_requirements WHERE id = ?', [id]);
    return rows.length > 0 ? this.rowToCertRequirement(rows[0]) : null;
  }

  getCertRequirementsByService(serviceId: number): ICertRequirement[] {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM cert_requirements WHERE service_id = ?', [serviceId]);
    return rows.map((row) => this.rowToCertRequirement(row));
  }

  getCertRequirementsByDomain(domainId: number): ICertRequirement[] {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM cert_requirements WHERE domain_id = ?', [domainId]);
    return rows.map((row) => this.rowToCertRequirement(row));
  }

  getAllCertRequirements(): ICertRequirement[] {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM cert_requirements ORDER BY created_at DESC');
    return rows.map((row) => this.rowToCertRequirement(row));
  }

  updateCertRequirement(id: number, updates: Partial<ICertRequirement>): void {
    if (!this.db) throw new Error('Database not initialized');

    const fields: string[] = [];
    const values: BindValue[] = [];

    if (updates.subdomain !== undefined) {
      fields.push('subdomain = ?');
      values.push(updates.subdomain);
    }
    if (updates.certificateId !== undefined) {
      fields.push('certificate_id = ?');
      values.push(updates.certificateId);
    }
    if (updates.status !== undefined) {
      fields.push('status = ?');
      values.push(updates.status);
    }

    fields.push('updated_at = ?');
    values.push(Date.now());
    values.push(id);

    this.query(`UPDATE cert_requirements SET ${fields.join(', ')} WHERE id = ?`, values);
  }

  deleteCertRequirement(id: number): void {
    if (!this.db) throw new Error('Database not initialized');
    this.query('DELETE FROM cert_requirements WHERE id = ?', [id]);
  }

  private rowToCertRequirement(row: any): ICertRequirement {
    return {
      id: Number(row.id || row[0]),
      serviceId: Number(row.service_id || row[1]),
      domainId: Number(row.domain_id || row[2]),
      subdomain: String(row.subdomain || row[3]),
      certificateId: row.certificate_id || row[4] || undefined,
      status: String(row.status || row[5]) as ICertRequirement['status'],
      createdAt: Number(row.created_at || row[6]),
      updatedAt: Number(row.updated_at || row[7]),
    };
  }

  // ============ Registry Tokens ============

  createRegistryToken(token: Omit<IRegistryToken, 'id'>): IRegistryToken {
    if (!this.db) throw new Error('Database not initialized');

    const scopeJson = Array.isArray(token.scope) ? JSON.stringify(token.scope) : token.scope;

    this.query(
      `INSERT INTO registry_tokens (name, token_hash, token_type, scope, expires_at, created_at, last_used_at, created_by)
       VALUES (?, ?, ?, ?, ?, ?, ?, ?)`,
      [
        token.name,
        token.tokenHash,
        token.type,
        scopeJson,
        token.expiresAt,
        token.createdAt,
        token.lastUsedAt,
        token.createdBy,
      ]
    );

    const rows = this.query('SELECT * FROM registry_tokens WHERE id = last_insert_rowid()');
    return this.rowToRegistryToken(rows[0]);
  }

  getRegistryTokenById(id: number): IRegistryToken | null {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM registry_tokens WHERE id = ?', [id]);
    return rows.length > 0 ? this.rowToRegistryToken(rows[0]) : null;
  }

  getRegistryTokenByHash(tokenHash: string): IRegistryToken | null {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM registry_tokens WHERE token_hash = ?', [tokenHash]);
    return rows.length > 0 ? this.rowToRegistryToken(rows[0]) : null;
  }

  getAllRegistryTokens(): IRegistryToken[] {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM registry_tokens ORDER BY created_at DESC');
    return rows.map((row) => this.rowToRegistryToken(row));
  }

  getRegistryTokensByType(type: 'global' | 'ci'): IRegistryToken[] {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM registry_tokens WHERE token_type = ? ORDER BY created_at DESC', [type]);
    return rows.map((row) => this.rowToRegistryToken(row));
  }

  updateRegistryTokenLastUsed(id: number): void {
    if (!this.db) throw new Error('Database not initialized');
    this.query('UPDATE registry_tokens SET last_used_at = ? WHERE id = ?', [Date.now(), id]);
  }

  deleteRegistryToken(id: number): void {
    if (!this.db) throw new Error('Database not initialized');
    this.query('DELETE FROM registry_tokens WHERE id = ?', [id]);
  }

  private rowToRegistryToken(row: any): IRegistryToken {
    // Parse scope - it's either 'all' or a JSON array
    let scope: 'all' | string[];
    const scopeRaw = row.scope || row[4];
    if (scopeRaw === 'all') {
      scope = 'all';
    } else {
      try {
        scope = JSON.parse(String(scopeRaw));
      } catch {
        scope = 'all';
      }
    }

    return {
      id: Number(row.id || row[0]),
      name: String(row.name || row[1]),
      tokenHash: String(row.token_hash || row[2]),
      type: String(row.token_type || row[3]) as IRegistryToken['type'],
      scope,
      expiresAt: row.expires_at || row[5] ? Number(row.expires_at || row[5]) : null,
      createdAt: Number(row.created_at || row[6]),
      lastUsedAt: row.last_used_at || row[7] ? Number(row.last_used_at || row[7]) : null,
      createdBy: String(row.created_by || row[8]),
    };
  }

  // ============ Platform Services CRUD ============

  createPlatformService(service: Omit<IPlatformService, 'id'>): IPlatformService {
    if (!this.db) throw new Error('Database not initialized');

    const now = Date.now();
    this.query(
      `INSERT INTO platform_services (name, type, status, container_id, config, admin_credentials_encrypted, created_at, updated_at)
       VALUES (?, ?, ?, ?, ?, ?, ?, ?)`,
      [
        service.name,
        service.type,
        service.status,
        service.containerId || null,
        JSON.stringify(service.config),
        service.adminCredentialsEncrypted || null,
        now,
        now,
      ]
    );

    return this.getPlatformServiceByName(service.name)!;
  }

  getPlatformServiceByName(name: string): IPlatformService | null {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM platform_services WHERE name = ?', [name]);
    return rows.length > 0 ? this.rowToPlatformService(rows[0]) : null;
  }

  getPlatformServiceById(id: number): IPlatformService | null {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM platform_services WHERE id = ?', [id]);
    return rows.length > 0 ? this.rowToPlatformService(rows[0]) : null;
  }

  getPlatformServiceByType(type: TPlatformServiceType): IPlatformService | null {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM platform_services WHERE type = ?', [type]);
    return rows.length > 0 ? this.rowToPlatformService(rows[0]) : null;
  }

  getAllPlatformServices(): IPlatformService[] {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM platform_services ORDER BY created_at DESC');
    return rows.map((row) => this.rowToPlatformService(row));
  }

  updatePlatformService(id: number, updates: Partial<IPlatformService>): void {
    if (!this.db) throw new Error('Database not initialized');

    const fields: string[] = [];
    const values: BindValue[] = [];

    if (updates.status !== undefined) {
      fields.push('status = ?');
      values.push(updates.status);
    }
    if (updates.containerId !== undefined) {
      fields.push('container_id = ?');
      values.push(updates.containerId);
    }
    if (updates.config !== undefined) {
      fields.push('config = ?');
      values.push(JSON.stringify(updates.config));
    }
    if (updates.adminCredentialsEncrypted !== undefined) {
      fields.push('admin_credentials_encrypted = ?');
      values.push(updates.adminCredentialsEncrypted);
    }

    fields.push('updated_at = ?');
    values.push(Date.now());
    values.push(id);

    this.query(`UPDATE platform_services SET ${fields.join(', ')} WHERE id = ?`, values);
  }

  deletePlatformService(id: number): void {
    if (!this.db) throw new Error('Database not initialized');
    this.query('DELETE FROM platform_services WHERE id = ?', [id]);
  }

  private rowToPlatformService(row: any): IPlatformService {
    let config = { image: '', port: 0 };
    const configRaw = row.config;
    if (configRaw) {
      try {
        config = JSON.parse(String(configRaw));
      } catch (e) {
        logger.warn(`Failed to parse platform service config: ${getErrorMessage(e)}`);
      }
    }

    return {
      id: Number(row.id),
      name: String(row.name),
      type: String(row.type) as TPlatformServiceType,
      status: String(row.status) as IPlatformService['status'],
      containerId: row.container_id ? String(row.container_id) : undefined,
      config,
      adminCredentialsEncrypted: row.admin_credentials_encrypted ? String(row.admin_credentials_encrypted) : undefined,
      createdAt: Number(row.created_at),
      updatedAt: Number(row.updated_at),
    };
  }

  // ============ Platform Resources CRUD ============

  createPlatformResource(resource: Omit<IPlatformResource, 'id'>): IPlatformResource {
    if (!this.db) throw new Error('Database not initialized');

    const now = Date.now();
    this.query(
      `INSERT INTO platform_resources (platform_service_id, service_id, resource_type, resource_name, credentials_encrypted, created_at)
       VALUES (?, ?, ?, ?, ?, ?)`,
      [
        resource.platformServiceId,
        resource.serviceId,
        resource.resourceType,
        resource.resourceName,
        resource.credentialsEncrypted,
        now,
      ]
    );

    const rows = this.query('SELECT * FROM platform_resources WHERE id = last_insert_rowid()');
    return this.rowToPlatformResource(rows[0]);
  }

  getPlatformResourceById(id: number): IPlatformResource | null {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM platform_resources WHERE id = ?', [id]);
    return rows.length > 0 ? this.rowToPlatformResource(rows[0]) : null;
  }

  getPlatformResourcesByService(serviceId: number): IPlatformResource[] {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM platform_resources WHERE service_id = ?', [serviceId]);
    return rows.map((row) => this.rowToPlatformResource(row));
  }

  getPlatformResourcesByPlatformService(platformServiceId: number): IPlatformResource[] {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM platform_resources WHERE platform_service_id = ?', [platformServiceId]);
    return rows.map((row) => this.rowToPlatformResource(row));
  }

  getAllPlatformResources(): IPlatformResource[] {
    if (!this.db) throw new Error('Database not initialized');

    const rows = this.query('SELECT * FROM platform_resources ORDER BY created_at DESC');
    return rows.map((row) => this.rowToPlatformResource(row));
  }

  deletePlatformResource(id: number): void {
    if (!this.db) throw new Error('Database not initialized');
    this.query('DELETE FROM platform_resources WHERE id = ?', [id]);
  }

  deletePlatformResourcesByService(serviceId: number): void {
    if (!this.db) throw new Error('Database not initialized');
    this.query('DELETE FROM platform_resources WHERE service_id = ?', [serviceId]);
  }

  private rowToPlatformResource(row: any): IPlatformResource {
    return {
      id: Number(row.id),
      platformServiceId: Number(row.platform_service_id),
      serviceId: Number(row.service_id),
      resourceType: String(row.resource_type) as IPlatformResource['resourceType'],
      resourceName: String(row.resource_name),
      credentialsEncrypted: String(row.credentials_encrypted),
      createdAt: Number(row.created_at),
    };
  }
}