/**
 * Backup Repository
 * Handles CRUD operations for backups table
 */

import { BaseRepository } from '../base.repository.ts';
import type { IBackup, TPlatformServiceType } from '../../types.ts';

export class BackupRepository extends BaseRepository {
  create(backup: Omit<IBackup, 'id'>): IBackup {
    this.query(
      `INSERT INTO backups (
        service_id, service_name, filename, size_bytes, created_at,
        includes_image, platform_resources, checksum
      ) VALUES (?, ?, ?, ?, ?, ?, ?, ?)`,
      [
        backup.serviceId,
        backup.serviceName,
        backup.filename,
        backup.sizeBytes,
        backup.createdAt,
        backup.includesImage ? 1 : 0,
        JSON.stringify(backup.platformResources),
        backup.checksum,
      ]
    );

    // Get the created backup by looking for the most recent one with matching filename
    const rows = this.query(
      'SELECT * FROM backups WHERE filename = ? ORDER BY id DESC LIMIT 1',
      [backup.filename]
    );

    return this.rowToBackup(rows[0]);
  }

  getById(id: number): IBackup | null {
    const rows = this.query('SELECT * FROM backups WHERE id = ?', [id]);
    return rows.length > 0 ? this.rowToBackup(rows[0]) : null;
  }

  getByService(serviceId: number): IBackup[] {
    const rows = this.query(
      'SELECT * FROM backups WHERE service_id = ? ORDER BY created_at DESC',
      [serviceId]
    );
    return rows.map((row) => this.rowToBackup(row));
  }

  getAll(): IBackup[] {
    const rows = this.query('SELECT * FROM backups ORDER BY created_at DESC');
    return rows.map((row) => this.rowToBackup(row));
  }

  delete(id: number): void {
    this.query('DELETE FROM backups WHERE id = ?', [id]);
  }

  deleteByService(serviceId: number): void {
    this.query('DELETE FROM backups WHERE service_id = ?', [serviceId]);
  }

  private rowToBackup(row: any): IBackup {
    let platformResources: TPlatformServiceType[] = [];
    const platformResourcesRaw = row.platform_resources;
    if (platformResourcesRaw) {
      try {
        platformResources = JSON.parse(String(platformResourcesRaw));
      } catch {
        platformResources = [];
      }
    }

    return {
      id: Number(row.id),
      serviceId: Number(row.service_id),
      serviceName: String(row.service_name),
      filename: String(row.filename),
      sizeBytes: Number(row.size_bytes),
      createdAt: Number(row.created_at),
      includesImage: Boolean(row.includes_image),
      platformResources,
      checksum: String(row.checksum),
    };
  }
}