import { Injectable, OnModuleInit, OnModuleDestroy } from '@nestjs/common';
import { PrismaClient } from '@prisma/client';
import { PrismaPg } from '@prisma/adapter-pg';
import { Pool } from 'pg';
import * as dotenv from 'dotenv';
import * as path from 'path';

dotenv.config({ path: path.join(__dirname, '..', '.env') });

@Injectable()
export class PrismaService extends PrismaClient implements OnModuleInit, OnModuleDestroy {
  constructor() {
    if (!process.env.DATABASE_URL) {
      dotenv.config({ path: path.join(__dirname, '..', '..', '.env') });
    }
    console.log('--- [PRISMA CHECK] ---');
    console.log('DATABASE_URL nhận được:', process.env.DATABASE_URL ? 'ĐÃ ĐỌC THÀNH CÔNG ✔️' : 'VẪN BỊ UNDEFINED ❌');
    console.log('----------------------');
    const pool = new Pool({ connectionString: process.env.DATABASE_URL });
    const adapter = new PrismaPg(pool);
    super({ adapter });
  }

  async onModuleInit() { await this.$connect(); }
  async onModuleDestroy() { await this.$disconnect(); }
}