import { Controller, Get, ServiceUnavailableException } from '@nestjs/common';
import { DataSource } from 'typeorm';

@Controller('healthz')
export class HealthController {
  constructor(private readonly dataSource: DataSource) {}

  @Get()
  async get() {
    try {
      await this.dataSource.query('SELECT 1');
      return {
        ok: true,
        service: 'center',
        database: 'ready',
      };
    } catch {
      throw new ServiceUnavailableException({
        ok: false,
        service: 'center',
        database: 'not_ready',
      });
    }
  }
}