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

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

  async findByEmail(email: string): Promise<User | null> {
    return this.userRepository.findOne({
      where: { email },
      select: ['id', 'email', 'passwordHash', 'firstName', 'lastName', 'roleId', 'isActive'],
      relations: ['role'],
    });
  }

  async findById(id: string): Promise<User | null> {
    return this.userRepository.findOne({
      where: { id },
      select: ['id', 'email', 'firstName', 'lastName', 'roleId', 'isActive'],
      relations: ['role'],
    });
  }

  async create(user: Partial<User>): Promise<User> {
    const newUser = this.userRepository.create(user);
    return this.userRepository.save(newUser);
  }

  async update(id: string, user: Partial<User>): Promise<User> {
    await this.userRepository.update(id, user);
    return this.findById(id);
  }
}