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 {
  CreateCategoryDto,
  UpdateCategoryDto,
  FindManyCategoryDto,
  FlatQueryCategoryDto,
  CategoryResponseDto,
  CategoryIdDto,
} from '../dto/category';

@ApiTags('Category')
@Controller('category')
export class CategoryController {
  constructor(private readonly prisma: PrismaService) {}

  @Post()
  @ApiOperation({ summary: 'Create a new Category record', operationId: 'createCategory' })
  @ApiBody({ type: CreateCategoryDto })
  @ApiResponse({ status: 201, description: 'Created Category record', type: CategoryResponseDto })
  async createCategory(@Body() data: CreateCategoryDto): Promise<CategoryResponseDto> {
    return this.prisma.category.create({ data });
  }

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

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

  @Get()
  @ApiOperation({ summary: 'Get a list of Category records', operationId: 'getCategoryList' })
  @ApiResponse({ status: 200, description: 'List of Category records', type: [CategoryResponseDto] })
  async getCategoryList(@Query() query: FlatQueryCategoryDto): Promise<CategoryResponseDto[]> {
    return this.prisma.category.findMany(query.toPrismaQuery());
  }

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

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

}