import 'dart:convert';

import 'package:flutter/cupertino.dart';
import 'package:flutter/services.dart';
import '../../utils/share_preference.dart';
import '../../utils/string_util.dart';

MethodChannel adMethodChannel = const MethodChannel('com.yeshi.video/ad');

enum AdType { csj, gdt }

enum AdPosition {
  //推荐
  other,
  //搜索
  videoSearch,
  //全屏视频
  videoDetailFullVideo,
  videoPlayPre
}

class CSJADConstant {
  //推荐首页大图
  static const String PID_RECOMMEND_BIG_PICTURE = "948067685";
  //搜索页广告
  static const String PID_VIDEO_SEARCH = "948119448";
  //全屏视频广告
  static const String PID_VIDEO_DETAIL_FULLSCREEN = "948119553";
}

class GDTADConstant {
  //推荐首页大图
  static const String PID_RECOMMEND_BIG_PICTURE = "5033406516973331";

  //搜索页广告
  static const String PID_VIDEO_SEARCH = "4033805974201049";

  //全屏视频广告
  static const String PID_VIDEO_DETAIL_FULLSCREEN = "6053800914701167";
}

class AdUtil {
  static void loadFullScreenAd(AdType adType, String pid) {
    if (adType == AdType.csj) {
      adMethodChannel.invokeMethod("loadCSJFullScreenAd", {"pid": pid});
    } else {
      adMethodChannel.invokeMethod("loadGDTFullScreenAd", {"pid": pid});
    }
  }

  //获取广告配置信息
  static Future<Map<String, dynamic>?> _getAdConfig() async {
    String result = await dataMethodChannel.invokeMethod("getAdConfig");
    print("广告配置：$result");
    if (StringUtil.isNullOrEmpty(result)) {
      return null;
    }
    return jsonDecode(result);
  }

  static Future<AdType?> getAdType(AdPosition position) async {
    String key = "";
    if (position == AdPosition.other) {
      key = "other";
    } else if (position == AdPosition.videoSearch) {
      key = "videoSearch";
    } else if (position == AdPosition.videoDetailFullVideo) {
      key = "videoDetailFullVideo";
    } else if (position == AdPosition.videoPlayPre) {
      key = "videoPlayPre";
    }

    Map<String, dynamic>? config = await _getAdConfig();
    if (config == null) {
      return null;
    }

    print("广告key:$key  类型${config[key]}");
    if (config[key] == null) {
      return null;
    }
    if (config[key]["type"] == "csj") {
      return AdType.csj;
    }

    if (config[key]["type"] == "gdt") {
      return AdType.gdt;
    }

    return null;
  }
}