// apps/box-app-api/src/feature/ads/ad.controller.ts
import {
  Controller,
  Get,
  Logger,
  Query,
  Post,
  Body,
  Param,
  UseGuards,
  Req,
  NotFoundException,
  UnauthorizedException,
} from '@nestjs/common';
import {
  ApiOperation,
  ApiResponse,
  ApiTags,
  ApiBearerAuth,
} from '@nestjs/swagger';
import { Request } from 'express';
import { AdService } from './ad.service';
import { GetAdPlacementQueryDto } from './dto/get-ad-placement.dto';
import { AdDto } from './dto/ad.dto';
import {
  AdListRequestDto,
  AdListResponseDto,
  AdClickDto,
  AdImpressionDto,
  AllAdsResponseDto,
} from './dto';
import { AdUrlResponseDto } from './dto/ad-url-response.dto';
import { JwtAuthGuard } from '../auth/guards/jwt-auth.guard';

// Extend Express Request to include user from JWT
interface JwtUser {
  uid: string;
  sub: string;
  jti: string;
}

interface RequestWithUser extends Request {
  user: JwtUser;
}

@ApiTags('广告')
@Controller('ads')
export class AdController {
  private readonly logger = new Logger(AdController.name);

  constructor(private readonly adService: AdService) {}

  /**
   * POST /api/v1/ads/list
   *
   * List ads by type with pagination.
   * Request body contains page, size, and adType.
   * Returns paginated list of ads with metadata.
   */
  @Post('list')
  @ApiOperation({
    summary: '获取所有广告类型及广告列表',
    description:
      '获取所有广告类型（从系统参数）以及按广告类型分组的广告列表。支持分页。数据来源：Mongo Ads 模型 + 系统参数。',
  })
  @ApiResponse({
    status: 200,
    description: '成功返回所有广告类型和分组广告列表',
    type: AllAdsResponseDto,
  })
  async listAdsByType(@Body() req: AdListRequestDto): Promise<any> {
    const { page, size } = req;

    this.logger.debug(`listAdsByType: page=${page}, size=${size}`);

    const response = await this.adService.listAdsByType(page, size);

    return response;
  }

  private getClientIp(req: Request): string {
    return (
      (req.headers['x-forwarded-for'] as string)?.split(',')[0]?.trim() ||
      (req.headers['x-real-ip'] as string) ||
      req.ip ||
      req.socket?.remoteAddress ||
      'unknown'
    );
  }

  private getUserAgent(req: Request): string {
    return (req.headers['user-agent'] as string) || 'unknown';
  }
}