import { Injectable } from '@nestjs/common';

import { PrismaService } from './prisma/prisma.service';

@Injectable()
export class AppService {
  constructor(private readonly prisma: PrismaService) {}

  getRoot() {
    return {
      service: 'lms-be',
      status: 'ok',
    };
  }

  getHealth() {
    return {
      status: 'ok',
      uptime: process.uptime(),
      timestamp: new Date().toISOString(),
    };
  }

  async getDatabaseHealth() {
    await this.prisma.$queryRaw`SELECT 1`;

    return {
      status: 'ok',
      provider: 'postgresql',
      timestamp: new Date().toISOString(),
    };
  }
}