import { Injectable, NotFoundException } from '@nestjs/common';
import { InjectRepository } from '@nestjs/typeorm';
import { Repository } from 'typeorm';
import { User } from '../../entities/user.entity';

@Injectable()
export class UsersService {
  constructor(
    @InjectRepository(User)
    private userRepository: Repository<User>,
  ) {}

  async findById(id: string): Promise<User> {
    const user = await this.userRepository.findOne({
      where: { id },
      select: ['id', 'email', 'username', 'totp_enabled', 'is_super_admin', 'created_at', 'last_login_at'],
    });

    if (!user) {
      throw new NotFoundException('User not found');
    }

    return user;
  }

  async findByEmail(email: string): Promise<User | null> {
    return this.userRepository.findOne({
      where: { email },
      select: ['id', 'email', 'username', 'totp_enabled', 'is_super_admin', 'created_at', 'last_login_at'],
    });
  }

  async findAll(): Promise<User[]> {
    return this.userRepository.find({
      select: ['id', 'email', 'username', 'totp_enabled', 'is_super_admin', 'created_at', 'last_login_at'],
      order: { created_at: 'DESC' },
    });
  }
}