import { Controller, Get, Post, Put, Delete, Body, Param, Query, HttpCode, HttpStatus, NotFoundException } from '@nestjs/common';
import { ApiTags, ApiOperation, ApiResponse, ApiBody } from '@nestjs/swagger';
import { PrismaService } from '../services/prisma.service';
import { PrismaClientKnownRequestError } from '@prisma/client/runtime/library';
import {
  CreateCustomerDto,
  UpdateCustomerDto,
  FindManyCustomerDto,
  FlatQueryCustomerDto,
  CustomerResponseDto,
  CustomerIdDto,
} from '../dto/customer';

@ApiTags('Customer')
@Controller('customer')
export class CustomerController {
  constructor(private readonly prisma: PrismaService) {}

  @Post()
  @ApiOperation({ summary: 'Create a new Customer record', operationId: 'createCustomer' })
  @ApiBody({ type: CreateCustomerDto })
  @ApiResponse({ status: 201, description: 'Created Customer record', type: CustomerResponseDto })
  async createCustomer(@Body() data: CreateCustomerDto): Promise<CustomerResponseDto> {
    return this.prisma.customer.create({ data });
  }

  @Put(':id')
  @ApiOperation({ summary: 'Update a Customer record', operationId: 'updateCustomer' })
  @ApiBody({ type: UpdateCustomerDto })
  @ApiResponse({ status: 200, description: 'Updated Customer record', type: CustomerResponseDto })
  @ApiResponse({ status: 404, description: 'Customer record not found' })
  async updateCustomer(@Param() params: CustomerIdDto, @Body() data: UpdateCustomerDto): Promise<CustomerResponseDto> {
    try {
      return await this.prisma.customer.update({ where: params, data });
    } catch (error) {
      if (error instanceof PrismaClientKnownRequestError && error.code === 'P2025') {
        throw new NotFoundException('Customer record not found');
      }
      throw error;
    }
  }

  @Get(':id')
  @ApiOperation({ summary: 'Get a Customer record by ID', operationId: 'getCustomer' })
  @ApiResponse({ status: 200, description: 'Customer record', type: CustomerResponseDto })
  @ApiResponse({ status: 404, description: 'Customer record not found' })
  async getCustomer(@Param() params: CustomerIdDto): Promise<CustomerResponseDto> {
    try {
      return await this.prisma.customer.findUniqueOrThrow({ where: params });
    } catch (error) {
      if (error instanceof PrismaClientKnownRequestError && error.code === 'P2025') {
        throw new NotFoundException('Customer record not found');
      }
      throw error;
    }
  }

  @Get()
  @ApiOperation({ summary: 'Get a list of Customer records', operationId: 'getCustomerList' })
  @ApiResponse({ status: 200, description: 'List of Customer records', type: [CustomerResponseDto] })
  async getCustomerList(@Query() query: FlatQueryCustomerDto): Promise<CustomerResponseDto[]> {
    return this.prisma.customer.findMany(query.toPrismaQuery());
  }

  @Post('search')
  @ApiOperation({ summary: 'Search Customer records', operationId: 'searchCustomer' })
  @ApiBody({ type: FindManyCustomerDto })
  @ApiResponse({ status: 200, description: 'List of Customer records', type: [CustomerResponseDto] })
  async searchCustomer(@Body() query: FindManyCustomerDto): Promise<CustomerResponseDto[]> {
    const { where, orderBy, take, skip } = query;
    return this.prisma.customer.findMany({
      where,
      orderBy,
      take,
      skip,
    });
  }

  @Delete(':id')
  @ApiOperation({ summary: 'Delete a Customer record', operationId: 'deleteCustomer' })
  @HttpCode(HttpStatus.NO_CONTENT)
  @ApiResponse({ status: 204, description: 'Customer record deleted' })
  @ApiResponse({ status: 404, description: 'Customer record not found' })
  async deleteCustomer(@Param() params: CustomerIdDto): Promise<void> {
    try {
      await this.prisma.customer.delete({ where: params });
    } catch (error) {
      if (error instanceof PrismaClientKnownRequestError && error.code === 'P2025') {
        throw new NotFoundException('Customer record not found');
      }
      throw error;
    }
  }

}