import { Controller, Get, Post, Patch, Param, Query, HttpCode, HttpStatus } from '@nestjs/common';
import { ApiTags, ApiOperation, ApiBearerAuth, ApiQuery } from '@nestjs/swagger';
import { CatalogService } from './catalog.service';
import { CurrentUser } from '../auth/decorators/current-user.decorator';
import { Public } from '../auth/decorators/public.decorator';
import { User } from '@coursecraft/database';

@ApiTags('catalog')
@Controller('catalog')
export class CatalogController {
  constructor(private catalogService: CatalogService) {}

  @Public()
  @Get()
  @ApiOperation({ summary: 'Browse published courses (public)' })
  async browseCourses(
    @Query('page') page?: number,
    @Query('limit') limit?: number,
    @Query('search') search?: string,
    @Query('difficulty') difficulty?: string,
  ): Promise<any> {
    return this.catalogService.getPublishedCourses({ page, limit, search, difficulty });
  }

  @Public()
  @Get(':id')
  @ApiOperation({ summary: 'Get public course details' })
  async getCourse(@Param('id') id: string): Promise<any> {
    return this.catalogService.getPublicCourse(id);
  }

  @Post(':id/submit')
  @ApiBearerAuth()
  @HttpCode(HttpStatus.OK)
  @ApiOperation({ summary: 'Submit course for review / publish' })
  async submitForReview(@Param('id') id: string, @CurrentUser() user: User): Promise<any> {
    return this.catalogService.publishCourse(id, user.id);
  }

  @Patch(':id/verify')
  @ApiBearerAuth()
  @ApiOperation({ summary: 'Toggle author verification badge' })
  async toggleVerify(@Param('id') id: string, @CurrentUser() user: User): Promise<any> {
    return this.catalogService.toggleVerification(id, user.id);
  }
}