import {
  Controller,
  Get,
  Post,
  Query,
} from '@nestjs/common';
import { ApiTags, ApiOperation, ApiBearerAuth, ApiQuery } from '@nestjs/swagger';
import { SearchService } from './search.service';
import { Public } from '../auth/decorators/public.decorator';

@ApiTags('search')
@Controller('search')
export class SearchController {
  constructor(private searchService: SearchService) {}

  @Get('courses')
  @Public()
  @ApiOperation({ summary: 'Search courses' })
  @ApiQuery({ name: 'q', required: true, description: 'Search query' })
  @ApiQuery({ name: 'categoryId', required: false })
  @ApiQuery({ name: 'difficulty', required: false, enum: ['beginner', 'intermediate', 'advanced'] })
  @ApiQuery({ name: 'tags', required: false, type: [String] })
  @ApiQuery({ name: 'priceMin', required: false, type: Number })
  @ApiQuery({ name: 'priceMax', required: false, type: Number })
  @ApiQuery({ name: 'sort', required: false, enum: ['newest', 'oldest', 'price_asc', 'price_desc', 'title_asc', 'title_desc'] })
  @ApiQuery({ name: 'page', required: false, type: Number })
  @ApiQuery({ name: 'limit', required: false, type: Number })
  async searchCourses(
    @Query('q') query: string,
    @Query('categoryId') categoryId?: string,
    @Query('difficulty') difficulty?: string,
    @Query('tags') tags?: string[],
    @Query('priceMin') priceMin?: number,
    @Query('priceMax') priceMax?: number,
    @Query('sort') sort?: string,
    @Query('page') page?: number,
    @Query('limit') limit?: number
  ) {
    return this.searchService.searchCourses(query, {
      categoryId,
      difficulty,
      tags: tags ? (Array.isArray(tags) ? tags : [tags]) : undefined,
      priceMin,
      priceMax,
      sort,
      page,
      limit,
      publishedOnly: true,
    });
  }

  @Post('reindex')
  @ApiBearerAuth()
  @ApiOperation({ summary: 'Reindex all courses (admin only)' })
  async reindexAll() {
    return this.searchService.reindexAllCourses();
  }
}