const path = require('path');

// 根据环境选择迁移文件目录
// 开发模式使用 TypeScript 源文件（通过 tsx 运行）
// 生产模式使用编译后的 JavaScript 文件
const migrationsDir = process.env.NODE_ENV === 'production' 
  ? path.join(__dirname, 'dist/migrations')
  : path.join(__dirname, 'src/migrations');

module.exports = {
  development: {
    client: 'sqlite3',
    connection: {
      filename: path.join(__dirname, './database/dev.sqlite3')
    },
    migrations: {
      directory: migrationsDir
    },
    useNullAsDefault: true,
    pool: {
      afterCreate: (conn, cb) => {
        conn.run('PRAGMA foreign_keys = ON', cb);
      }
    }
  },
  production: {
    client: 'sqlite3',
    connection: {
      filename: path.join(__dirname, './database/prod.sqlite3')
    },
    migrations: {
      directory: migrationsDir
    },
    useNullAsDefault: true,
    pool: {
      afterCreate: (conn, cb) => {
        conn.run('PRAGMA foreign_keys = ON', cb);
      }
    }
  }
};