using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using JetBrains.Annotations;
using KwaiAds.Scripts.Api.Reward;
using UnityEngine;
using static WZ.KwaiAdsConfigParser;

namespace WZ
{
    public class KwaiFloorAdsManager : D_MonoSingleton<KwaiFloorAdsManager>
    {
        private int _rvParallelRequests = 3;
        private List<FloorConfig> _rvFloorConfigs = new List<FloorConfig>();
        public Dictionary<string, IRewardAdController> _rvFloorAdControllers = new Dictionary<string, IRewardAdController>();
        private List<FloorConfig> _sortedFloors = new List<FloorConfig>();
        private int _currentFloorIndex = 0;
        private bool _isRequestingFloors = false;
        private List<FloorConfig> _currentRequestBatch = new List<FloorConfig>();
        private FloorConfig _successfulFloor = null;

        public void InitializeWithFloors()
        {
            // 对楼层按价格从高到低排序
            _sortedFloors = _rvFloorConfigs.OrderByDescending(f => f.price).ToList();
            LoggerUtils.Debug("Sorted floors: " + string.Join(", ", _sortedFloors.Select(f => $"{f.id}:{f.price}")));
        }

        public void LoadKwaiBiddingConfig()
        {
            _rvParallelRequests = KwaiAdsConfigParser.GetRvParallelRequests();
            _rvFloorConfigs = KwaiAdsConfigParser.GetRvFloorConfigs();
            KwaiAdsManager.Instance._appId = KwaiAdsConfigParser.GetKwaiAppId();
            KwaiAdsManager.Instance._token = KwaiAdsConfigParser.GetKwaiAppToken();
            LoggerUtils.Debug($"Kwai bidding config loaded. FloorOpen: {KwaiAdsConfigParser.GetKwaiRvFloorOpen()}, ParallelRequests: {_rvParallelRequests}, Floors: {_rvFloorConfigs.Count}");
        }

        public void LoadRewardedWithFloors()
        {
            if (_rvFloorConfigs == null || _rvFloorConfigs.Count == 0)
            {
                LoggerUtils.Debug("No floor configs available, using standard load");
                KwaiAdsManager.Instance.LoadRewardedStandard();
                return;
            }

            // 重置状态
            _currentFloorIndex = 0;
            _successfulFloor = null;
            _isRequestingFloors = true;

            // 清理之前的广告控制器
            foreach (var controller in _rvFloorAdControllers.Values)
            {
                controller.Destroy();
            }
            _rvFloorAdControllers.Clear();

            // 开始请求楼层广告
            RequestNextFloorBatch();
        }

        private void RequestNextFloorBatch()
        {
            if (!_isRequestingFloors || _successfulFloor != null) return;

            // 获取下一批要请求的楼层
            _currentRequestBatch = new List<FloorConfig>();
            int count = 0;

            while (_currentFloorIndex < _sortedFloors.Count && count < _rvParallelRequests)
            {
                _currentRequestBatch.Add(_sortedFloors[_currentFloorIndex]);
                _currentFloorIndex++;
                count++;
            }

            if (_currentRequestBatch.Count == 0)
            {
                // 所有楼层都请求完毕，没有填充
                LoggerUtils.Debug("All floors requested, no fill");
                _isRequestingFloors = false;
                return;
            }

            LoggerUtils.Debug($"Requesting floor batch: {string.Join(", ", _currentRequestBatch.Select(f => $"{f.id}({f.price})"))}");

            // 并行请求当前批次的楼层
            foreach (var floor in _currentRequestBatch)
            {
                RequestFloorAd(floor);
            }
        }

        private void RequestFloorAd(FloorConfig floor)
        {
            IRewardAdController controller = KwaiAds.Scripts.Api.KwaiAdsSdk.SDK.getRewardAdController();
            _rvFloorAdControllers[floor.id] = controller;

            KwaiRewardAdRequest kwaiRewardAdRequest = new KwaiRewardAdRequest(floor.unite_id);
            controller.Load(kwaiRewardAdRequest,
                new FloorRewardAdListener(this, floor),
                new FloorRewardAdLoadListener(this, floor));
            AdsActionEvents.TrackAdStartLoad(KwaiAdsManager.Instance.Platfrom, floor.id, floor.unite_id, AdsType.Rewarded);
        }

        // 处理楼层广告加载成功
        public void OnFloorAdLoaded(FloorConfig floor, IRewardAdController controller)
        {
            if (!_isRequestingFloors || _successfulFloor != null) return;

            LoggerUtils.Debug($"Floor ad loaded: {floor.id} with price: {floor.price}");

            // 暂停其他并行请求
            _successfulFloor = floor;
            _isRequestingFloors = false;

            // 取消其他楼层的请求
            foreach (var kvp in _rvFloorAdControllers)
            {
                if (kvp.Key != floor.id)
                {
                    kvp.Value.Destroy();
                }
            }
        }

        // 处理楼层广告加载失败
        public void OnFloorAdFailed(FloorConfig floor, string error)
        {
            if (!_isRequestingFloors || _successfulFloor != null) return;

            LoggerUtils.Debug($"Floor ad failed: {floor.id} with error: {error}");

            // 检查当前批次是否全部失败
            bool allFailedInBatch = true;
            foreach (var f in _currentRequestBatch)
            {
                if (f.id == floor.id) continue;

                if (_rvFloorAdControllers.ContainsKey(f.id) &&
                    _rvFloorAdControllers[f.id] != null &&
                    _rvFloorAdControllers[f.id].IsReady())
                {
                    allFailedInBatch = false;
                    break;
                }
            }

            // 如果当前批次全部失败，请求下一批
            if (allFailedInBatch)
            {
                RequestNextFloorBatch();
            }
        }

        public bool IsRewardedAvailable()
        {
            return _successfulFloor != null &&
                    _rvFloorAdControllers.ContainsKey(_successfulFloor.id) &&
                    _rvFloorAdControllers[_successfulFloor.id] != null &&
                    _rvFloorAdControllers[_successfulFloor.id].IsReady();
        }

        public void ShowRewarded(Action _action)
        { 
            if (_successfulFloor != null &&
                    _rvFloorAdControllers.ContainsKey(_successfulFloor.id) &&
                    _rvFloorAdControllers[_successfulFloor.id] != null)
            {
                _rvFloorAdControllers[_successfulFloor.id].Show();
            }
            else
            {
                _action?.Invoke();
            }
        }
    }
}