import { Controller, Get } from '@nestjs/common';
import { ApiTags, ApiOperation } from '@nestjs/swagger';
import { PrismaService } from '../../database/prisma.service';
import { ConfigService } from '@nestjs/config';

@ApiTags('health')
@Controller({ path: 'health', version: '1' })
export class HealthController {
  constructor(
    private readonly prisma: PrismaService,
    private readonly config: ConfigService,
  ) {}

  @Get()
  @ApiOperation({ summary: 'Health check básico' })
  health() {
    return {
      status: 'ok',
      app: this.config.get('app.name'),
      version: '1.0.0',
      timestamp: new Date().toISOString(),
    };
  }

  @Get('ready')
  @ApiOperation({ summary: 'Readiness check (DB + dependencies)' })
  async ready() {
    const checks: Record<string, string> = {};

    try {
      await this.prisma.$queryRaw`SELECT 1`;
      checks.database = 'ok';
    } catch {
      checks.database = 'error';
    }

    const allOk = Object.values(checks).every((v) => v === 'ok');

    return {
      status: allOk ? 'ok' : 'degraded',
      checks,
      timestamp: new Date().toISOString(),
    };
  }
}