import 'reflect-metadata';
import { DataSource } from 'typeorm';
import { ConversationSessionEntity } from './modules/session/entities/conversation-session.entity';
import { ConversationMessageEntity } from './modules/session/entities/conversation-message.entity';

/**
 * TypeORM DataSource for CLI migrations.
 * Uses env vars: DATABASE_HOST, DATABASE_PORT, DATABASE_USER, DATABASE_PASSWORD, DATABASE_NAME
 */
export const AppDataSource = new DataSource({
  type: 'postgres',
  host: process.env.DATABASE_HOST ?? 'localhost',
  port: parseInt(process.env.DATABASE_PORT ?? '26397', 10),
  username: process.env.DATABASE_USER ?? 'lilith',
  password: process.env.DATABASE_PASSWORD ?? 'lilith',
  database: process.env.DATABASE_NAME ?? 'companion',
  entities: [ConversationSessionEntity, ConversationMessageEntity],
  migrations: ['src/migrations/*.ts'],
  synchronize: false,
  logging: process.env.NODE_ENV !== 'production',
});

export default AppDataSource;