import { Body, Controller, Delete, Get, Param, Patch, Post, Query, Req, Res, UseGuards } from '@nestjs/common';
import type { Request } from 'express';
import type { Response } from 'express';
import { AuthenticatedUser } from '../auth/auth.types';
import { ContactsService } from './contacts.service';
import { CreateContactDto } from '../dto/create-contact.dto';
import { UpdateContactDto } from '../dto/update-contact.dto';
import { AuthGuard } from '../common/auth.guard';

@UseGuards(AuthGuard)
@Controller('contacts')
export class ContactsController {
  constructor(private readonly contactsService: ContactsService) {}

  @Get()
  findAll(
    @Query('page') page?: string,
    @Query('limit') limit?: string,
    @Query('search') search?: string,
    @Query('status') status?: string,
    @Query('tag') tag?: string,
  ) {
    return this.contactsService.findAll({
      page: Number(page || '1'),
      limit: Number(limit || '10'),
      search,
      status,
      tag,
    });
  }

  @Get('export')
  async exportContacts(
    @Req() request: Request & { user: AuthenticatedUser },
    @Res() response: Response,
    @Query('search') search?: string,
    @Query('status') status?: string,
    @Query('tag') tag?: string,
  ) {
    const result = await this.contactsService.exportContacts(
      {
        page: 1,
        limit: 100000,
        search,
        status,
        tag,
      },
      request.user,
      request.ip,
    );

    response.setHeader('Content-Type', result.contentType);
    response.setHeader('Content-Disposition', `attachment; filename="${result.fileName}"`);
    response.send(result.buffer);
  }

  @Get(':id')
  findOne(@Param('id') id: string) {
    return this.contactsService.findOne(id);
  }

  @Post()
  create(
    @Req() request: Request & { user: AuthenticatedUser },
    @Body() dto: CreateContactDto,
  ) {
    return this.contactsService.create(dto, request.user, request.ip);
  }

  @Patch(':id')
  update(
    @Req() request: Request & { user: AuthenticatedUser },
    @Param('id') id: string,
    @Body() dto: UpdateContactDto,
  ) {
    return this.contactsService.update(id, dto, request.user, request.ip);
  }

  @Delete(':id')
  remove(
    @Req() request: Request & { user: AuthenticatedUser },
    @Param('id') id: string,
  ) {
    return this.contactsService.remove(id, request.user, request.ip);
  }
}