import {
  Controller,
  Get,
  Post,
  Body,
  Patch,
  Param,
  Delete,
  Query,
  ParseIntPipe,
} from '@nestjs/common';
import { ApiTags, ApiOperation, ApiResponse } from '@nestjs/swagger';
import { ReadingMaterialsService } from '../services/reading-materials.service';
import { CreateReadingMaterialDto } from '../dto/create-reading-material.dto';
import { UpdateReadingMaterialDto } from '../dto/update-reading-material.dto';
import { ReadingMaterialResponseDto } from '../dto/reading-material-response.dto';
import { PaginationDto } from '../../../common/dto/pagination.dto';

@ApiTags('reading-materials')
@Controller('reading-materials')
export class ReadingMaterialsController {
  constructor(private readonly readingMaterialsService: ReadingMaterialsService) {}

  @Post()
  // @UseGuards(JwtAuthGuard, RolesGuard)
  // @Roles('ADMIN', 'HR')
  // @ApiBearerAuth()
  @ApiOperation({ summary: 'Create a new reading material' })
  @ApiResponse({ status: 201, description: 'Reading material created successfully', type: ReadingMaterialResponseDto })
  @ApiResponse({ status: 401, description: 'Unauthorized' })
  @ApiResponse({ status: 403, description: 'Forbidden' })
  async create(@Body() createReadingMaterialDto: CreateReadingMaterialDto): Promise<ReadingMaterialResponseDto> {
    return this.readingMaterialsService.create(createReadingMaterialDto);
  }

  @Get()
  @ApiOperation({ summary: 'Get all reading materials with pagination' })
  @ApiResponse({ status: 200, description: 'Reading materials retrieved successfully' })
  async findAll(@Query() paginationDto: PaginationDto) {
    return this.readingMaterialsService.findAll(paginationDto);
  }

  @Get('search/title')
  @ApiOperation({ summary: 'Search reading materials by title' })
  @ApiResponse({ status: 200, description: 'Reading materials retrieved successfully' })
  async searchByTitle(
    @Query('q') title: string,
    @Query() paginationDto: PaginationDto,
  ) {
    return this.readingMaterialsService.searchByTitle(title, paginationDto);
  }

  @Get('search/description')
  @ApiOperation({ summary: 'Search reading materials by description' })
  @ApiResponse({ status: 200, description: 'Reading materials retrieved successfully' })
  async searchByDescription(
    @Query('q') description: string,
    @Query() paginationDto: PaginationDto,
  ) {
    return this.readingMaterialsService.searchByDescription(description, paginationDto);
  }

  @Get('tag/:tag')
  @ApiOperation({ summary: 'Get reading materials by tag' })
  @ApiResponse({ status: 200, description: 'Reading materials retrieved successfully' })
  async findByTag(
    @Param('tag') tag: string,
    @Query() paginationDto: PaginationDto,
  ) {
    return this.readingMaterialsService.findByTag(tag, paginationDto);
  }

  @Get(':id')
  @ApiOperation({ summary: 'Get reading material by ID' })
  @ApiResponse({ status: 200, description: 'Reading material retrieved successfully', type: ReadingMaterialResponseDto })
  @ApiResponse({ status: 404, description: 'Reading material not found' })
  async findOne(@Param('id', ParseIntPipe) id: number): Promise<ReadingMaterialResponseDto> {
    return this.readingMaterialsService.findOne(id);
  }

  @Patch(':id')
  // @UseGuards(JwtAuthGuard, RolesGuard)
  // @Roles('ADMIN', 'HR')
  // @ApiBearerAuth()
  @ApiOperation({ summary: 'Update reading material' })
  @ApiResponse({ status: 200, description: 'Reading material updated successfully', type: ReadingMaterialResponseDto })
  @ApiResponse({ status: 404, description: 'Reading material not found' })
  @ApiResponse({ status: 401, description: 'Unauthorized' })
  @ApiResponse({ status: 403, description: 'Forbidden' })
  async update(
    @Param('id', ParseIntPipe) id: number,
    @Body() updateReadingMaterialDto: UpdateReadingMaterialDto,
  ): Promise<ReadingMaterialResponseDto> {
    return this.readingMaterialsService.update(id, updateReadingMaterialDto);
  }

  @Delete(':id')
  // @UseGuards(JwtAuthGuard, RolesGuard)
  // @Roles('ADMIN', 'HR')
  // @ApiBearerAuth()
  @ApiOperation({ summary: 'Delete reading material (soft delete)' })
  @ApiResponse({ status: 200, description: 'Reading material deleted successfully' })
  @ApiResponse({ status: 404, description: 'Reading material not found' })
  @ApiResponse({ status: 401, description: 'Unauthorized' })
  @ApiResponse({ status: 403, description: 'Forbidden' })
  async remove(@Param('id', ParseIntPipe) id: number): Promise<{ message: string }> {
    await this.readingMaterialsService.remove(id);
    return { message: 'Reading material deleted successfully' };
  }
}