using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace AutoConfig
{
    using Cysharp.Threading.Tasks;
    using System.IO;
    using System.Net;
    using UnityEditor;
    using UnityEngine;
    using UnityEngine.Networking;

    public class DownloadConfig
    {

        public static string SAVE_PATH = "";

        private static int _totalDownloadCount;
        private static int _DownloadCount;
        
        public static async UniTask AutoProcessConfig(List<ConfigInfo> m_Configs, string cookie)
        {
            var dir = new DirectoryInfo(ConfigTools.CONFIG_DIR);
            SAVE_PATH = dir.FullName + "Datas/";

            try
            {
                _totalDownloadCount = 0;
                _DownloadCount = 0;

                for (int i = 0; i < m_Configs.Count; i++)
                {
                    if (m_Configs[i].Check)
                    {
                        StartDownload(m_Configs[i], cookie);
                        _totalDownloadCount++;
                    }
                        
                }
            
                EditorUtility.DisplayProgressBar("配置工具", $"正在下载 0/{_totalDownloadCount}", 0);

                
                while (_DownloadCount < _totalDownloadCount)
                {
                    _DownloadCount = 0;
                    for (int i = 0; i < m_Configs.Count; i++)
                    {
                        if (m_Configs[i].Check)
                        {
                            if (m_Configs[i].IsError || m_Configs[i].IsDownloadOK)
                            {
                                _DownloadCount++;
                            }
                        }
                    }

                    await UniTask.Delay(100);
                    var remainCount = _totalDownloadCount - _DownloadCount;
                    EditorUtility.DisplayCancelableProgressBar("配置工具", $"正在下载 {remainCount}/{_totalDownloadCount}",
                        _DownloadCount / (float)_totalDownloadCount);
                }

                EditorUtility.ClearProgressBar();

                bool hasError = false;
                for (int i = 0; i < m_Configs.Count; i++)
                {
                    if (m_Configs[i].Check && m_Configs[i].IsError)
                    {
                        hasError = true;
                        Debug.LogError("文件下载失败，name=" + m_Configs[i].Name);
                    }
                }

                if (!hasError)
                {
                    Debug.Log("所有文件下载成功");
                }
            }
            catch (Exception e)
            {
                Debug.LogError("出现异常，message=" + e.Message + "\n,trace=" + e.StackTrace);
                EditorUtility.ClearProgressBar();
            }
            
        }

        public static async void StartDownload(ConfigInfo ci, string cookie)
        {
            var downloader = new WPExcelDownloader(ci.Name, ci.DocID, cookie);
            var result = await downloader.StartDownload();

            if (result)
            {
                ci.IsDownloadOK = true;
            }
            else
            {
                ci.IsError = true;
            }
        }

    }
}