using NLDPB;
using System;
using PhxhSDK;
using Gameplay;
using System.Text;
using UnityEngine;
using Gameplay.Net;
using Newtonsoft.Json;
using UnityEngine.Networking;
using Cysharp.Threading.Tasks;
using System.Collections.Generic;
using System.Text.RegularExpressions;

public class BilibiliPayHandle : SingletonMono<BilibiliPayHandle>
{
    private static BilibiliPayHandle _instance;

    /// <summary>
    /// 加签
    /// </summary>
    private const string PAY_SIGN = "orders/biliGame";
    /// <summary>
    /// 发货
    /// </summary>
    private const string PAY_SUCCESS = "orders/biliGame/success";

    /// <summary>
    /// 支付
    /// </summary>
    private Action<string, string, int> payAction;

    private void Awake()
    {
        if (_instance == null)
        {
            _instance = this;
            DontDestroyOnLoad(gameObject);
        }
        else
        {
            Destroy(gameObject);
        }
    }

    [Serializable]
    private class PayRequestData
    {
        public string items;
        public int actor_id;
        public string game_money;
        /// <summary>
        /// uid
        /// </summary>
        public string third_user_id;

        public PayRequestData(string items, int actorID, int moneyCount, string uid)
        {
            this.items = items;
            actor_id = actorID;
            game_money = moneyCount.ToString();
            third_user_id = uid;
        }
    }

    [Serializable]
    private class Items
    {
        public string product_id;
        public int count;
    }

    [Serializable]
    private class PaySuccessRequestData
    {
        public string out_trade_no;
        public string bs_trade_no;

        public PaySuccessRequestData(string out_trade_no, string bs_trade_no)
        {
            this.out_trade_no = out_trade_no;
            this.bs_trade_no = bs_trade_no;
        }
    }

    /// <summary>
    /// 请求结果
    /// </summary>
    private class WebRequestResult
    {
        public int code;
        public string message;
        public BiliPayData data;
    }

    private class BiliPayData
    {
        /// <summary>
        /// 订单号
        /// </summary>
        public string order_sn;
        /// <summary>
        /// 签名
        /// </summary>
        public string order_sign;
        /// <summary>
        /// 价格
        /// </summary>
        public int money;
    }

    /// <summary>
    /// 开始支付
    /// </summary>
    public void BuyGoods(string currencyID, int count, int diamonCount, string uid, Action<string, string, int> pay)
    {
        payAction = pay;

        BiliPayRequest(currencyID, count, diamonCount, uid);
    }

    /// <summary>
    /// 加签请求服务器
    /// </summary>
    private async void BiliPayRequest(string currencyID, int count, int diamonCount, string uid)
    {
        int actorID = (int)Actor.Instance.Base.GetProp(ActorProp.ActorId);
        string payUrl = AppConfig.Instance.LoginURL + PAY_SIGN;
        DebugUtil.Log($"发送拉起Bilibili支付请求地址: {payUrl}");

        List<Items> itemsList = new() { new() { product_id = currencyID, count = count } };
        string itemJsonData = JsonConvert.SerializeObject(itemsList);
        DebugUtil.Log($"items.jsonData:{itemJsonData}");

        PayRequestData sendData = new(itemJsonData, actorID, diamonCount, uid);
        Dictionary<string, string> headData = PostHeader.PostHeaderInfo(new Dictionary<string, string>
        {
            { "items", sendData.items },
            { "actor_id", sendData.actor_id.ToString() },
            { "game_money", sendData.game_money },
            { "timestamp", DateTimeOffset.UtcNow.ToUnixTimeSeconds().ToString() },
            { "third_user_id", sendData.third_user_id }
        });

        string jsonData = JsonUtility.ToJson(sendData);
        DebugUtil.Log($"WebRequestData.jsonData:{jsonData}");
        byte[] bytes = Encoding.UTF8.GetBytes(jsonData);

        UnityWebRequest www = new(payUrl, UnityWebRequest.kHttpVerbPOST)
        {
            uploadHandler = new UploadHandlerRaw(bytes),
            downloadHandler = new DownloadHandlerBuffer(),
        };
        www.SetRequestHeader("Content-Type", "application/json;charset=utf-8"); //为了保证客户端发送的json格式在后端能解析
        www.SetRequestHeader("signature", headData["signature"]);
        www.SetRequestHeader("timestamp", headData["timestamp"]);
        www.SetRequestHeader("accessKey", headData["accessKey"]);

        try
        {
            await www.SendWebRequest();
            if (www.result != UnityWebRequest.Result.Success)
            {
                CommonUtils.ShowMessageTips("支付失败，请重试");
                DebugUtil.LogError(www.downloadHandler.text);
            }
            else
            {
                DebugUtil.Log("http消息请求成功！\n返回内容：" + www.downloadHandler.text);
                WebRequestResult result = JsonConvert.DeserializeObject<WebRequestResult>(www.downloadHandler.text);
                if (0 == result.code)
                {
                    BuyGoods(result.data);
                    DebugUtil.Log("拉起bili支付SDK成功");
                }
                else
                {
                    DebugUtil.LogError("拉起bili支付SDK失败");
                    UITipsManager.ShowTips("支付失败，请重试");
                }
            }
        }
        catch (UnityWebRequestException e)
        {
            DebugUtil.LogError(e);
            var pattern = @"\{.*\}";
            var match = Regex.Match(e.Message, pattern);
            if (match.Success)
            {
                var json = match.Value;
                WebRequestResult res = JsonConvert.DeserializeObject<WebRequestResult>(json);
                DebugUtil.LogError("请求失败, 服务器有错误响应: " + res.message);
                UITipsManager.ShowTips("无法购买");
            }
            else
            {
                UITipsManager.ShowTips("无法购买");
                DebugUtil.LogError("请求失败！");
            }
        }
    }

    /// <summary>
    /// bili支付成功
    /// </summary>
    /// <param name="a"></param>
    /// <param name="b"></param>
    /// <param name="c"></param>
    public async void BiliPaySuccess(string out_trade_no, string bs_trade_no)
    {
        string payUrl = AppConfig.Instance.LoginURL + PAY_SUCCESS;
        DebugUtil.Log($"发送拉起Bilibili发货请求地址: {payUrl}");

        PaySuccessRequestData sendData = new(out_trade_no, bs_trade_no);
        Dictionary<string, string> headData = PostHeader.PostHeaderInfo(new Dictionary<string, string>
        {
            { "out_trade_no", sendData.out_trade_no },
            { "bs_trade_no", sendData.bs_trade_no},
            { "timestamp", DateTimeOffset.UtcNow.ToUnixTimeSeconds().ToString() }
        });

        string jsonData = JsonUtility.ToJson(sendData);
        DebugUtil.Log($"WebRequestData.jsonData:{jsonData}");
        byte[] bytes = Encoding.UTF8.GetBytes(jsonData);

        UnityWebRequest www = new(payUrl, UnityWebRequest.kHttpVerbPOST)
        {
            uploadHandler = new UploadHandlerRaw(bytes),
            downloadHandler = new DownloadHandlerBuffer(),
        };
        www.SetRequestHeader("Content-Type", "application/json;charset=utf-8"); //为了保证客户端发送的json格式在后端能解析
        www.SetRequestHeader("signature", headData["signature"]);
        www.SetRequestHeader("timestamp", headData["timestamp"]);
        www.SetRequestHeader("accessKey", headData["accessKey"]);

        try
        {
            await www.SendWebRequest();
            if (www.result != UnityWebRequest.Result.Success)
            {
                CommonUtils.ShowMessageTips("发货失败，请重试");
                DebugUtil.LogError(www.downloadHandler.text);
            }
            else
            {
                DebugUtil.Log("http消息请求成功！\n返回内容：" + www.downloadHandler.text);
                WebRequestResult result = JsonConvert.DeserializeObject<WebRequestResult>(www.downloadHandler.text);
                if (0 == result.code)
                {
                    DebugUtil.Log("bili发货成功");
                }
                else
                {
                    DebugUtil.LogError(result.message);
                    UITipsManager.ShowTips(result.message);
                }
            }
        }
        catch (UnityWebRequestException e)
        {
            DebugUtil.LogError(e);
            string pattern = @"\{.*\}";
            var match = Regex.Match(e.Message, pattern);
            if (match.Success)
            {
                var json = match.Value;
                WebRequestResult res = JsonConvert.DeserializeObject<WebRequestResult>(json);
                DebugUtil.LogError("请求失败, 服务器有错误响应: " + res.message);
                UITipsManager.ShowTips("无法发货");
            }
            else
            {
                UITipsManager.ShowTips("无法发货");
                DebugUtil.LogError("请求失败！");
            }
        }
    }

    /// <summary>
    /// 购买商品
    /// </summary>
    /// <param name="biliPayData"></param>
    private void BuyGoods(BiliPayData biliPayData)
    {
        if (null == biliPayData)
        {
            DebugUtil.LogError("请求支付数据为空");
            return;
        }

        DebugUtil.Log("开始调起bili支付");
        payAction?.Invoke(biliPayData.order_sn, biliPayData.order_sign, biliPayData.money);
    }
}