import {
  Controller,
  Get,
  Post,
  Put,
  Delete,
  Param,
  Body,
  UseGuards,
  ParseIntPipe,
  Query,
} from '@nestjs/common';
import { JwtAuthGuard } from '../auth/guards/jwt-auth.guard';
import { Permissions } from '../auth/permissions.decorator';
import { PermissionsGuard } from '../auth/guards/permissions.guard';
import { QuestionsService } from './questions.service';
import { CreateQuestionDto } from './dto/create-question.dto';
import { UpdateQuestionDto } from './dto/update-question.dto';
import { ReorderDto } from '../common/dto/reorder.dto';

@Controller('api/v1/admin/questions')
@UseGuards(JwtAuthGuard, PermissionsGuard)
export class QuestionsController {
  constructor(private readonly questionsService: QuestionsService) {}

  @Post()
  @Permissions('activity.create')
  async create(@Body() dto: CreateQuestionDto) {
    const question = await this.questionsService.create(dto);
    return { success: true, data: question };
  }

  @Get()
  @Permissions('activity.view')
  async findByActivity(@Query('activityId', ParseIntPipe) activityId: number) {
    const questions = await this.questionsService.findByActivity(activityId);
    return { success: true, data: questions };
  }

  @Get(':id')
  @Permissions('activity.view')
  async findById(@Param('id', ParseIntPipe) id: number) {
    const question = await this.questionsService.findById(id);
    if (!question) {
      return { success: false, message: 'Question not found' };
    }
    return { success: true, data: question };
  }

  @Put(':id')
  @Permissions('activity.update')
  async update(
    @Param('id', ParseIntPipe) id: number,
    @Body() dto: UpdateQuestionDto,
  ) {
    const question = await this.questionsService.update(id, dto);
    if (!question) {
      return { success: false, message: 'Question not found' };
    }
    return { success: true, data: question };
  }

  @Post('reorder')
  @Permissions('activity.update')
  async reorder(@Body() dto: ReorderDto) {
    await this.questionsService.reorder(dto.items);
    return { success: true, message: 'Questions reordered' };
  }

  @Delete(':id')
  @Permissions('activity.delete')
  async delete(@Param('id', ParseIntPipe) id: number) {
    const success = await this.questionsService.delete(id);
    return { success, message: success ? 'Question deleted' : 'Question not found' };
  }
}