import { Controller, Get, Post, Res, HttpStatus, Param, Delete, Put, Req, Query, Body, UsePipes, ValidationPipe } from '@nestjs/common';
import { CustomerService } from '../services/customer.service';
import { Response} from 'express';
import { CreateCustomerDTO, CustomerParamDTO } from '../dto/customer.dto';

// REQUEST VLIDATION 

@Controller('customers')
export class CustomerController {
  constructor(private readonly service: CustomerService) {}
  // /hello HTTP GET 

  @Get()
  async getAllCustomers(@Res() res: Response) {
    try {
    const data = await this.service.listCustomer();
    res.status(HttpStatus.OK).json(data);
  } catch(err){
    res.status(HttpStatus.INTERNAL_SERVER_ERROR).send(err);
  }
  }

  // @Get()
  // getHelloGet(): string {
  //   return this.appService.getHello();
  // }

  @Post()
  async  createCustomers(@Res() res: Response, @Body() customerParam: CreateCustomerDTO) {
    try {
    const data = await this.service.createCustomer(customerParam);
    res.status(HttpStatus.OK).json(data);
    } catch(err){
      res.status(HttpStatus.INTERNAL_SERVER_ERROR).send(err);
    }
  }

  @Get('/:customerId')
  async getCustomerById( @Param() param: CustomerParamDTO) {
    return await this.service.getCustomer(param.customerId);
  }
  @Delete('/')
  async deleteCustomerById(@Query('customerid') id: string) {
    return await this.service.getCustomer(id);
  }
  @Put('/')
  async updateCustomerById(@Res() res: Response, @Body() customerParam: Partial <CreateCustomerDTO>, @Query('customerid') id: string) {
    const data = await this.service.updateCustomer(id, customerParam);
    res.status(HttpStatus.OK).json(data);
  }
}