import { Controller, Get, Res } from '@nestjs/common';
import type { Response } from 'express';

@Controller('health')
export class HealthController {
  @Get()
  getHealth(@Res() res: Response) {
    const payload = {
      status: 'ok',
      timestamp: new Date().toISOString(),
      service: 'crm-backend',
      version:
        process.env.APP_VERSION ?? process.env.npm_package_version ?? 'unknown',
      uptimeSeconds: Math.floor(process.uptime()),
    };

    res
      .status(200)
      .type('application/json; charset=utf-8')
      .send(`${JSON.stringify(payload)}\n`);
  }
}