import { Controller, Get, Request, Logger } from '@nestjs/common';
import { InjectRepository } from '@nestjs/typeorm';
import { Repository, In } from 'typeorm';
import { Client } from '../database/entities/client.entity';
import { UserClient } from '../database/entities/user-client.entity';

@Controller('api/clients')
export class ClientsController {
  private readonly logger = new Logger(ClientsController.name);

  constructor(
    @InjectRepository(Client) private readonly clientRepo: Repository<Client>,
    @InjectRepository(UserClient) private readonly userClientRepo: Repository<UserClient>,
  ) {}

  @Get()
  async getMyClients(@Request() req: any) {
    const userId = req.user.userId;
    const mappings = await this.userClientRepo.find({ where: { UserId: userId } });
    const clientIds = mappings.map((m) => m.ClientId);

    if (clientIds.length === 0) {
      // Fallback to match old C# behavior where it returned all clients
      // or if admin users shouldn't be restricted initially.
      return this.clientRepo.find();
    }
    return this.clientRepo.find({ where: { Id: In(clientIds) } });
  }
}