using Newtonsoft.Json;
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Runtime.InteropServices;
using System.Security.Cryptography;
using System.Text;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.Networking;

public class LYTWebGLHelper : MonoBehaviour
{


    public class LabData
    {
        public string GUID;
        public string ExpID;
        public string HOST = string.Empty;
        public string PARA1;
        public string PARA;
        public string PARA2;
    }
#if UNITY_WEBGL
    [DllImport("__Internal")]
    private static extern IntPtr GetURLParameter(string name);
#endif
    string token = string.Empty;

    LabData labData = new LabData();
    [SerializeField]
    private TextAsset RSA;
    private const int RsaKeySize = 2048;

    public string uploadUrl;
    public static LYTWebGLHelper Instance;
    private void Awake()
    {
#if UNITY_WEBGL
        Instance = this;
        DontDestroyOnLoad(this);
#endif
    }
    public void Init()
    {
#if UNITY_WEBGL && !UNITY_EDITOR

        var paramPtr = GetURLParameter("token");
        if (paramPtr != IntPtr.Zero)
        {
            string value = Marshal.PtrToStringUTF8(paramPtr);
            //token = value.Replace("%2B", "+");
            token = value.Replace(" ", "+");
            Marshal.FreeHGlobal(paramPtr); // 释放分配的内存
        }
        Debug.LogError("获取的：" + token);
#endif



        RSA = Resources.Load<TextAsset>("LYTWebGL/RSA");
        if (string.IsNullOrEmpty(token) == false)
        {
            string urlData = Decrypt(token);
            var datas = urlData.Split("&");
            labData.GUID = datas[0];
            labData.ExpID = datas[1];
            labData.HOST = datas[2];
            labData.PARA1 = datas[3];
            labData.PARA = datas[4];
            labData.PARA2 = datas[5];
        }
        uploadUrl = Path.Combine(labData.HOST, "host/public/Exp/AddScore/");
    }
    /// <summary>
    /// Decrypts encrypted text given a RSA private key file path.给定路径的 RSA 私钥文件解

    /// </summary>
    /// <param name="encryptedText">加密的密文</param>
    /// <param name="pathToPrivateKey">用于加密的私钥路径.</param>
    /// <returns>未加密数据的字符串</returns>
    public string Decrypt(string encryptedText)
    {
        using (var rsa = new RSACryptoServiceProvider(RsaKeySize))
        {
            try
            {
                string privateXmlKey = RSA.text;
                rsa.FromXmlString(privateXmlKey);
                Debug.Log("encryptedText " + encryptedText);
                var bytesEncrypted = Convert.FromBase64String(encryptedText);
                string b = Encoding.UTF8.GetString(bytesEncrypted);
                Debug.Log("byte " + b);
                //var bytesPlainText = rsa.Decrypt(bytesEncrypted, false);
                var bytesPlainText = rsa.Decrypt(bytesEncrypted, false);
                Debug.Log("bytesPlainText " + bytesPlainText);
                return System.Text.Encoding.UTF8.GetString(bytesPlainText);
            }
            finally
            {
                rsa.PersistKeyInCsp = false;
            }
        }
    }



    public void UpLoadData(int totalScore, List<string> stepNames, List<int> maxScore, List<int> score)
    {
        if (string.IsNullOrEmpty(token))
        {
            Init();
        }
        var data = new UploadData();
        data.GUID = labData.GUID;
        int expId = 0;
        int.TryParse(labData.ExpID, out expId);
        data.ExpID = expId;
        data.score = totalScore;
        data.flag = true;

        var list = new List<Expstepvtwolist>();
        for (int i = 0; i < stepNames.Count; i++)
        {
            var step = new Expstepvtwolist();
            step.ExpStepName = stepNames[i];
            step.maxScore = maxScore[i];
            step.score = score[i];
            list.Add(step);
        }
        data.ExpStepVTwoList = list.ToArray();

        StartCoroutine(SendScore(JsonConvert.SerializeObject(data)));
    }

    IEnumerator SendScore(string json, UnityAction<string> action = null)
    {
        if (string.IsNullOrEmpty(uploadUrl))
        {
            Debug.LogError("上传接口地址错误:" + uploadUrl);
            yield break;
        }
        Debug.LogError("上传的数据:" + json);
        using (UnityWebRequest request = new UnityWebRequest(uploadUrl, "POST"))
        {
            request.SetRequestHeader("Content-Type", "application/json");
            request.uploadHandler = new UploadHandlerRaw(System.Text.Encoding.UTF8.GetBytes(json));
            request.downloadHandler = new DownloadHandlerBuffer();
            yield return request.SendWebRequest();
            // 处理响应
            if (request.result == UnityWebRequest.Result.ConnectionError ||
                request.result == UnityWebRequest.Result.ProtocolError)
            {
                Debug.LogError($"Upload failed: {request.uri}");
                Debug.LogError($"Upload failed: {request.error}");
                Debug.LogError($"Response Code: {request.responseCode}");
            }
            else
            {
                Debug.Log("Upload complete!");
                Debug.Log($"Response Code: {request.responseCode}");
                Debug.Log($"Server Response: {request.downloadHandler.text}");
                Response response = JsonConvert.DeserializeObject<Response>(request.downloadHandler.text);
                Debug.LogError(response.msg);
                action?.Invoke(response.msg);
            }
        }

    }

    public class UploadData
    {
        public string GUID { get; set; }
        // 实验 ID
        public int ExpID { get; set; }
        // 成绩
        public int score { get; set; }
        // 标志位：默认值 true
        public bool flag { get; set; }
        // 实验步骤列表
        public Expstepvtwolist[] ExpStepVTwoList { get; set; }
    }

    public class Expstepvtwolist
    {
        // 实验步骤序号
        public int seq { get; set; }
        // 实验步骤名称
        public string ExpStepName = "";
        // 实验步骤状态
        public string StepState = "";
        // 实验步骤开始时间
        public DateTime startTime = default;
        // 实验步骤结束时间
        public DateTime endTime = default;
        // 实验步骤合理用时：单位秒
        public int expectTime = 0;
        // 实验步骤满分：0 ~100，百分制
        public int maxScore = 100;
        // 实验步骤得分：0 ~100，百分制
        public int score = 0;
        // 实验步骤操作次数
        public int repeatCount = 1;
        // 步骤评价：200 字以内
        public string evaluation = "";
        // 赋分模型：200 字以内
        public string scoringModel = "";
        // 备注
        public string remarks { get; set; }
    }

    public class Response
    {
        public string msg;
        public bool success;
    }
}