import * as plugins from './mod.plugins.js';
import * as helpers from './helpers.js';
import { ServiceConfiguration } from './classes.serviceconfiguration.js';
import { DockerContainer } from './classes.dockercontainer.js';
import { logger } from '../gitzone.logging.js';

export class ServiceManager {
  private config: ServiceConfiguration;
  private docker: DockerContainer;
  
  constructor() {
    this.config = new ServiceConfiguration();
    this.docker = new DockerContainer();
  }
  
  /**
   * Initialize the service manager
   */
  public async init(): Promise<void> {
    // Check Docker availability
    if (!(await this.docker.checkDocker())) {
      logger.log('error', 'Error: Docker is not installed. Please install Docker first.');
      process.exit(1);
    }
    
    // Load or create configuration
    await this.config.loadOrCreate();
    logger.log('info', `📋 Project: ${this.config.getConfig().PROJECT_NAME}`);
  }
  
  /**
   * Start MongoDB service
   */
  public async startMongoDB(): Promise<void> {
    logger.log('note', '📦 MongoDB:');
    
    const config = this.config.getConfig();
    const containers = this.config.getContainerNames();
    const directories = this.config.getDataDirectories();
    
    // Ensure data directory exists
    await plugins.smartfile.fs.ensureDir(directories.mongo);
    
    const status = await this.docker.getStatus(containers.mongo);
    
    switch (status) {
      case 'running':
        logger.log('ok', '  Already running ✓');
        break;
        
      case 'stopped':
        if (await this.docker.start(containers.mongo)) {
          logger.log('ok', '  Started ✓');
        } else {
          logger.log('error', '  Failed to start');
        }
        break;
        
      case 'not_exists':
        logger.log('note', '  Creating container...');
        
        const success = await this.docker.run({
          name: containers.mongo,
          image: 'mongo:7.0',
          ports: {
            [`0.0.0.0:${config.MONGODB_PORT}`]: '27017'
          },
          volumes: {
            [directories.mongo]: '/data/db'
          },
          environment: {
            MONGO_INITDB_ROOT_USERNAME: config.MONGODB_USER,
            MONGO_INITDB_ROOT_PASSWORD: config.MONGODB_PASS,
            MONGO_INITDB_DATABASE: config.MONGODB_NAME
          },
          restart: 'unless-stopped'
        });
        
        if (success) {
          logger.log('ok', '  Created and started ✓');
        } else {
          logger.log('error', '  Failed to create container');
        }
        break;
    }
    
    logger.log('info', `  Container: ${containers.mongo}`);
    logger.log('info', `  Port: ${config.MONGODB_PORT}`);
    logger.log('info', `  Connection: ${this.config.getMongoConnectionString()}`);
    
    // Show Compass connection string
    const networkIp = await helpers.getLocalNetworkIp();
    const compassString = `mongodb://${config.MONGODB_USER}:${config.MONGODB_PASS}@${networkIp}:${config.MONGODB_PORT}/${config.MONGODB_NAME}?authSource=admin`;
    logger.log('ok', `  Compass: ${compassString}`);
  }
  
  /**
   * Start MinIO service
   */
  public async startMinIO(): Promise<void> {
    logger.log('note', '📦 S3/MinIO:');
    
    const config = this.config.getConfig();
    const containers = this.config.getContainerNames();
    const directories = this.config.getDataDirectories();
    
    // Ensure data directory exists
    await plugins.smartfile.fs.ensureDir(directories.minio);
    
    const status = await this.docker.getStatus(containers.minio);
    
    switch (status) {
      case 'running':
        logger.log('ok', '  Already running ✓');
        break;
        
      case 'stopped':
        if (await this.docker.start(containers.minio)) {
          logger.log('ok', '  Started ✓');
        } else {
          logger.log('error', '  Failed to start');
        }
        break;
        
      case 'not_exists':
        logger.log('note', '  Creating container...');
        
        const success = await this.docker.run({
          name: containers.minio,
          image: 'minio/minio',
          ports: {
            [config.S3_PORT]: '9000',
            [config.S3_CONSOLE_PORT]: '9001'
          },
          volumes: {
            [directories.minio]: '/data'
          },
          environment: {
            MINIO_ROOT_USER: config.S3_USER,
            MINIO_ROOT_PASSWORD: config.S3_PASS
          },
          restart: 'unless-stopped',
          command: 'server /data --console-address ":9001"'
        });
        
        if (success) {
          logger.log('ok', '  Created and started ✓');
          
          // Wait for MinIO to be ready
          await plugins.smartdelay.delayFor(3000);
          
          // Create default bucket
          await this.docker.exec(
            containers.minio,
            `mc alias set local http://localhost:9000 ${config.S3_USER} ${config.S3_PASS}`
          );
          
          await this.docker.exec(
            containers.minio,
            `mc mb local/${config.S3_BUCKET}`
          );
          
          logger.log('ok', `  Bucket '${config.S3_BUCKET}' created ✓`);
        } else {
          logger.log('error', '  Failed to create container');
        }
        break;
    }
    
    logger.log('info', `  Container: ${containers.minio}`);
    logger.log('info', `  Port: ${config.S3_PORT}`);
    logger.log('info', `  Bucket: ${config.S3_BUCKET}`);
    logger.log('info', `  API: http://${config.S3_HOST}:${config.S3_PORT}`);
    logger.log('info', `  Console: http://${config.S3_HOST}:${config.S3_CONSOLE_PORT} (login: ${config.S3_USER}/***)`);
  }
  
  /**
   * Stop MongoDB service
   */
  public async stopMongoDB(): Promise<void> {
    logger.log('note', '📦 MongoDB:');
    
    const containers = this.config.getContainerNames();
    const status = await this.docker.getStatus(containers.mongo);
    
    if (status === 'running') {
      if (await this.docker.stop(containers.mongo)) {
        logger.log('ok', '  Stopped ✓');
      } else {
        logger.log('error', '  Failed to stop');
      }
    } else {
      logger.log('note', '  Not running');
    }
  }
  
  /**
   * Stop MinIO service
   */
  public async stopMinIO(): Promise<void> {
    logger.log('note', '📦 S3/MinIO:');
    
    const containers = this.config.getContainerNames();
    const status = await this.docker.getStatus(containers.minio);
    
    if (status === 'running') {
      if (await this.docker.stop(containers.minio)) {
        logger.log('ok', '  Stopped ✓');
      } else {
        logger.log('error', '  Failed to stop');
      }
    } else {
      logger.log('note', '  Not running');
    }
  }
  
  /**
   * Show service status
   */
  public async showStatus(): Promise<void> {
    helpers.printHeader('Service Status');
    
    const config = this.config.getConfig();
    const containers = this.config.getContainerNames();
    
    logger.log('info', `Project: ${config.PROJECT_NAME}`);
    console.log();
    
    // MongoDB status
    const mongoStatus = await this.docker.getStatus(containers.mongo);
    switch (mongoStatus) {
      case 'running':
        logger.log('ok', '📦 MongoDB: 🟢 Running');
        logger.log('info', `   ├─ Container: ${containers.mongo}`);
        logger.log('info', `   ├─ Connection: ${this.config.getMongoConnectionString()}`);
        
        // Show Compass connection string
        const networkIp = await helpers.getLocalNetworkIp();
        const compassString = `mongodb://${config.MONGODB_USER}:${config.MONGODB_PASS}@${networkIp}:${config.MONGODB_PORT}/${config.MONGODB_NAME}?authSource=admin`;
        logger.log('ok', `   └─ Compass: ${compassString}`);
        break;
      case 'stopped':
        logger.log('note', '📦 MongoDB: 🟡 Stopped');
        logger.log('info', `   └─ Container: ${containers.mongo}`);
        break;
      case 'not_exists':
        logger.log('info', '📦 MongoDB: ⚪ Not installed');
        break;
    }
    
    // MinIO status
    const minioStatus = await this.docker.getStatus(containers.minio);
    switch (minioStatus) {
      case 'running':
        logger.log('ok', '📦 S3/MinIO: 🟢 Running');
        logger.log('info', `   ├─ Container: ${containers.minio}`);
        logger.log('info', `   ├─ API: http://${config.S3_HOST}:${config.S3_PORT}`);
        logger.log('info', `   ├─ Console: http://${config.S3_HOST}:${config.S3_CONSOLE_PORT}`);
        logger.log('info', `   └─ Bucket: ${config.S3_BUCKET}`);
        break;
      case 'stopped':
        logger.log('note', '📦 S3/MinIO: 🟡 Stopped');
        logger.log('info', `   └─ Container: ${containers.minio}`);
        break;
      case 'not_exists':
        logger.log('info', '📦 S3/MinIO: ⚪ Not installed');
        break;
    }
  }
  
  /**
   * Show configuration
   */
  public async showConfig(): Promise<void> {
    helpers.printHeader('Current Configuration');
    
    const config = this.config.getConfig();
    
    logger.log('info', `Project: ${config.PROJECT_NAME}`);
    console.log();
    
    logger.log('note', 'MongoDB:');
    logger.log('info', `  Host: ${config.MONGODB_HOST}:${config.MONGODB_PORT}`);
    logger.log('info', `  Database: ${config.MONGODB_NAME}`);
    logger.log('info', `  User: ${config.MONGODB_USER}`);
    logger.log('info', '  Password: ***');
    logger.log('info', `  Container: ${this.config.getContainerNames().mongo}`);
    logger.log('info', `  Data: ${this.config.getDataDirectories().mongo}`);
    logger.log('info', `  Connection: ${this.config.getMongoConnectionString()}`);
    
    console.log();
    logger.log('note', 'S3/MinIO:');
    logger.log('info', `  Host: ${config.S3_HOST}`);
    logger.log('info', `  API Port: ${config.S3_PORT}`);
    logger.log('info', `  Console Port: ${config.S3_CONSOLE_PORT}`);
    logger.log('info', `  User: ${config.S3_USER}`);
    logger.log('info', '  Password: ***');
    logger.log('info', `  Bucket: ${config.S3_BUCKET}`);
    logger.log('info', `  Container: ${this.config.getContainerNames().minio}`);
    logger.log('info', `  Data: ${this.config.getDataDirectories().minio}`);
    logger.log('info', `  API URL: http://${config.S3_HOST}:${config.S3_PORT}`);
    logger.log('info', `  Console URL: http://${config.S3_HOST}:${config.S3_CONSOLE_PORT}`);
  }
  
  /**
   * Show MongoDB Compass connection string
   */
  public async showCompassConnection(): Promise<void> {
    helpers.printHeader('MongoDB Compass Connection');
    
    const config = this.config.getConfig();
    const networkIp = await helpers.getLocalNetworkIp();
    
    const connectionString = `mongodb://${config.MONGODB_USER}:${config.MONGODB_PASS}@${networkIp}:${config.MONGODB_PORT}/${config.MONGODB_NAME}?authSource=admin`;
    
    logger.log('info', 'MongoDB Compass is a GUI tool for MongoDB. To connect:');
    console.log();
    logger.log('info', '1. Download MongoDB Compass from:');
    logger.log('info', '   https://www.mongodb.com/products/compass');
    console.log();
    logger.log('info', '2. Open Compass and paste this connection string:');
    logger.log('ok', `   ${connectionString}`);
    console.log();
    logger.log('note', 'Connection Details:');
    logger.log('info', `  Network IP: ${networkIp}`);
    logger.log('info', `  Port: ${config.MONGODB_PORT}`);
    logger.log('info', `  Database: ${config.MONGODB_NAME}`);
    logger.log('info', `  Username: ${config.MONGODB_USER}`);
    logger.log('info', `  Auth Source: admin`);
  }
  
  /**
   * Show logs for a service
   */
  public async showLogs(service: string, lines: number = 20): Promise<void> {
    const containers = this.config.getContainerNames();
    
    switch (service) {
      case 'mongo':
      case 'mongodb':
        if (await this.docker.isRunning(containers.mongo)) {
          helpers.printHeader(`MongoDB Logs (last ${lines} lines)`);
          const logs = await this.docker.logs(containers.mongo, lines);
          console.log(logs);
        } else {
          logger.log('note', 'MongoDB container is not running');
        }
        break;
        
      case 'minio':
      case 's3':
        if (await this.docker.isRunning(containers.minio)) {
          helpers.printHeader(`S3/MinIO Logs (last ${lines} lines)`);
          const logs = await this.docker.logs(containers.minio, lines);
          console.log(logs);
        } else {
          logger.log('note', 'S3/MinIO container is not running');
        }
        break;
        
      case 'all':
      case '':
        await this.showLogs('mongo', lines);
        console.log();
        await this.showLogs('minio', lines);
        break;
        
      default:
        logger.log('note', 'Usage: gitzone services logs [mongo|s3|all] [lines]');
        break;
    }
  }
  
  /**
   * Remove containers
   */
  public async removeContainers(): Promise<void> {
    const containers = this.config.getContainerNames();
    let removed = false;
    
    if (await this.docker.exists(containers.mongo)) {
      if (await this.docker.remove(containers.mongo, true)) {
        logger.log('ok', '  MongoDB container removed ✓');
        removed = true;
      }
    }
    
    if (await this.docker.exists(containers.minio)) {
      if (await this.docker.remove(containers.minio, true)) {
        logger.log('ok', '  S3/MinIO container removed ✓');
        removed = true;
      }
    }
    
    if (!removed) {
      logger.log('note', '  No containers to remove');
    }
  }
  
  /**
   * Clean data directories
   */
  public async cleanData(): Promise<void> {
    const directories = this.config.getDataDirectories();
    let cleaned = false;
    
    if (await plugins.smartfile.fs.fileExists(directories.mongo)) {
      await plugins.smartfile.fs.remove(directories.mongo);
      logger.log('ok', '  MongoDB data removed ✓');
      cleaned = true;
    }
    
    if (await plugins.smartfile.fs.fileExists(directories.minio)) {
      await plugins.smartfile.fs.remove(directories.minio);
      logger.log('ok', '  S3/MinIO data removed ✓');
      cleaned = true;
    }
    
    if (!cleaned) {
      logger.log('note', '  No data to clean');
    }
  }
}