import {
  Controller,
  Get,
  Post,
  Body,
  Patch,
  Delete,
  Param,
  Query,
  UseGuards,
  ParseUUIDPipe,
  HttpCode,
  HttpStatus,
} from '@nestjs/common';
import { ApiBearerAuth, ApiOperation, ApiResponse, ApiTags } from '@nestjs/swagger';
import { CompaniesService } from './companies.service.js';
import { CreateCompanyDto } from './dto/create-company.dto.js';
import { UpdateCompanyDto } from './dto/update-company.dto.js';
import { QueryCompanyDto } from './dto/query-company.dto.js';
import { JwtAuthGuard } from '../common/guards/jwt-auth.guard.js';
import { RolesGuard } from '../common/guards/roles.guard.js';
import { Roles } from '../common/decorators/roles.decorator.js';
import { CurrentUser } from '../common/decorators/current-user.decorator.js';
import type { JwtPayload } from '../common/decorators/current-user.decorator.js';
import { UserRole } from '../users/entities/user.entity.js';

@ApiTags('Companies')
@ApiBearerAuth()
@UseGuards(JwtAuthGuard, RolesGuard)
@Controller('companies')
export class CompaniesController {
  constructor(private readonly companiesService: CompaniesService) {}

  @Post()
  @Roles(UserRole.ADMIN, UserRole.MANAGER)
  @ApiOperation({ summary: 'Create a new company' })
  @ApiResponse({ status: 201, description: 'Company created successfully' })
  async create(@Body() createCompanyDto: CreateCompanyDto) {
    const company = await this.companiesService.create(createCompanyDto);
    return { data: company };
  }

  @Get()
  @Roles(UserRole.ADMIN, UserRole.MANAGER, UserRole.STAFF)
  @ApiOperation({ summary: 'Get paginated list of companies' })
  @ApiResponse({ status: 200, description: 'List of companies' })
  async findAll(@Query() query: QueryCompanyDto) {
    return this.companiesService.findAll(query);
  }

  @Get(':id')
  @Roles(UserRole.ADMIN, UserRole.MANAGER, UserRole.STAFF)
  @ApiOperation({ summary: 'Get company details with contacts and projects' })
  @ApiResponse({ status: 200, description: 'Company details' })
  @ApiResponse({ status: 404, description: 'Company not found' })
  async findOne(@Param('id', ParseUUIDPipe) id: string) {
    const company = await this.companiesService.findOne(id);
    return { data: company };
  }

  @Patch(':id')
  @Roles(UserRole.ADMIN, UserRole.MANAGER)
  @ApiOperation({ summary: 'Update a company' })
  @ApiResponse({ status: 200, description: 'Company updated successfully' })
  @ApiResponse({ status: 404, description: 'Company not found' })
  async update(
    @Param('id', ParseUUIDPipe) id: string,
    @Body() updateCompanyDto: UpdateCompanyDto,
    @CurrentUser() user: JwtPayload,
  ) {
    const company = await this.companiesService.update(id, updateCompanyDto, user.role as UserRole);
    return { data: company };
  }

  @Delete(':id')
  @Roles(UserRole.ADMIN)
  @HttpCode(HttpStatus.OK)
  @ApiOperation({ summary: 'Soft delete a company' })
  @ApiResponse({ status: 200, description: 'Company deleted successfully' })
  @ApiResponse({ status: 404, description: 'Company not found' })
  async remove(
    @Param('id', ParseUUIDPipe) id: string,
    @CurrentUser() user: JwtPayload,
  ) {
    await this.companiesService.remove(id, user.role as UserRole);
    return { message: 'Company deleted successfully' };
  }
}