import { Controller, Get, ServiceUnavailableException } from '@nestjs/common';
import { sql } from 'drizzle-orm';
import { Public } from '../../common/auth/public.decorator';
import { DatabaseService } from '../../common/database/database.service';

@Public()
@Controller('health')
export class HealthController {
  constructor(private readonly database: DatabaseService) {}

  @Get('live')
  live() {
    return {
      status: 'ok',
      service: 'ck-terminal-api',
      timestamp: new Date().toISOString(),
    };
  }

  @Get('ready')
  async ready() {
    try {
      await this.database.db.execute(sql`select 1`);
      return {
        status: 'ok',
        database: 'up',
        timestamp: new Date().toISOString(),
      };
    } catch {
      throw new ServiceUnavailableException('Database is unavailable.');
    }
  }
}