using System;
using System.Collections;
using TMPro;
using UnityEngine;
using UnityEngine.Serialization;
using UnityEngine.UI;

namespace ZC
{
    public class UILoading : MonoBehaviour
    {
        public Slider slider;
        public TMP_Text txt_Slider;

        private void Awake()
        {
            EventManager.Instance.Subscribe(InitializeFailedEventArgs.EventId, InitializeFailedEvent);
            EventManager.Instance.Subscribe(PatchStatesChangeEventArgs.EventId, PatchStatesChangeEvent);
            EventManager.Instance.Subscribe(FoundUpdateFilesEventArgs.EventId, FoundUpdateFilesEvent);
            EventManager.Instance.Subscribe(DownloadProgressUpdateEventArgs.EventId, DownloadProgressUpdateEvent);
            EventManager.Instance.Subscribe(PackageVersionUpdateFailedEventArgs.EventId, PackageVersionUpdateFailedEvent);
            EventManager.Instance.Subscribe(PatchManifestUpdateFailedEventArgs.EventId, PatchManifestUpdateFailedEvent);
            EventManager.Instance.Subscribe(WebFileDownloadFailedEventArgs.EventId, WebFileDownloadFailedEvent);
            EventManager.Instance.Subscribe(UpdaterDoneEventArgs.EventId, UpdaterDoneEvent);

            this.btn_Yes.onClick.AddListener(ClickBtnYes);
            this.btn_No.onClick.AddListener(ClickBtnNo);
            this.btnSingle.onClick.AddListener(this.ClickBtnSingle);
            this.btnQuit.onClick.AddListener(this.ClickBtnQuit);
        }

        private void OnDestroy()
        {
            EventManager.Instance.Unsubscribe(InitializeFailedEventArgs.EventId, InitializeFailedEvent);
            EventManager.Instance.Unsubscribe(PatchStatesChangeEventArgs.EventId, PatchStatesChangeEvent);
            EventManager.Instance.Unsubscribe(FoundUpdateFilesEventArgs.EventId, FoundUpdateFilesEvent);
            EventManager.Instance.Unsubscribe(DownloadProgressUpdateEventArgs.EventId, DownloadProgressUpdateEvent);
            EventManager.Instance.Unsubscribe(PackageVersionUpdateFailedEventArgs.EventId, PackageVersionUpdateFailedEvent);
            EventManager.Instance.Unsubscribe(PatchManifestUpdateFailedEventArgs.EventId, PatchManifestUpdateFailedEvent);
            EventManager.Instance.Unsubscribe(WebFileDownloadFailedEventArgs.EventId, WebFileDownloadFailedEvent);
            EventManager.Instance.Unsubscribe(UpdaterDoneEventArgs.EventId, UpdaterDoneEvent);

            this.btn_Yes.onClick.RemoveListener(ClickBtnYes);
            this.btn_No.onClick.RemoveListener(ClickBtnNo);
            this.btnSingle.onClick.RemoveListener(this.ClickBtnSingle);
            this.btnQuit.onClick.RemoveListener(this.ClickBtnQuit);
        }

        public GameObject downloadTips;
        public TMP_Text txtDownloadTips;
        public Button btn_Yes;
        public Button btn_No;

        private void ShowDownloadTips(int count, string size)
        {
            this.downloadTips.SetActive(true);
            txtDownloadTips.text = $"Found update patch files, Total count {count} Total szie {size}MB";
        }

        public GameObject tips;
        public TMP_Text txt_Tips;

        IEnumerator ShowTips(string str)
        {
            this.tips.SetActive(true);
            this.txt_Tips.text = str;
            yield return new WaitForSeconds(1);
            this.tips.SetActive(false);
        }

        private void ClickBtnNo()
        {
            Debug.Log("取消更新就退出，或者进入单机模型");
            this.downloadTips.SetActive(false);
            Application.Quit();
        }

        private void ClickBtnYes()
        {
            EventManager.Instance.FireNow(UpdatePackageCallbackEventArgs.EventId, new UpdatePackageCallbackEventArgs(UpdatePackageCallbackType.开始下载网络文件));
            this.downloadTips.SetActive(false);
        }

        public GameObject errorTips;
        public TMP_Text txtErrorTips;
        public Button btnSingle;
        public Button btnQuit;

        void SetTipsContent(string str)
        {
            this.txtErrorTips.text = str;
            this.errorTips.SetActive(true);
        }

        private void ClickBtnSingle()
        {
            this.errorTips.SetActive(false);
            EventManager.Instance.FireNow(EnterSingleModeEventArgs.EventId, new EnterSingleModeEventArgs());
        }

        private void ClickBtnQuit()
        {
            Debug.Log("取消更新就退出，或者进入单机模型");
            this.errorTips.SetActive(false);
            Application.Quit();
        }

#region Event

        private int count;

        private void InitializeFailedEvent(object sender, GameEventArgs e)
        {
            var args = e as InitializeFailedEventArgs;
            string str = "初始化失败";
            StartCoroutine(ShowTips(str));
            EventManager.Instance.FireNow(UpdatePackageCallbackEventArgs.EventId, new UpdatePackageCallbackEventArgs(UpdatePackageCallbackType.再次初始化资源包));
        }

        private void PatchStatesChangeEvent(object sender, GameEventArgs e)
        {
            var args = e as PatchStatesChangeEventArgs;
            string str = $"补丁流程步骤改变: {args.Tips}";
            StartCoroutine(ShowTips(str));
        }

        private void FoundUpdateFilesEvent(object sender, GameEventArgs e)
        {
            var args = e as FoundUpdateFilesEventArgs;
            string str = $"发现更新文件: {args.TotalCount}, {args.TotalSizeBytes}";
            StartCoroutine(ShowTips(str));

            float sizeMB = args.TotalSizeBytes / 1048576f;
            sizeMB = Mathf.Clamp(sizeMB, 0.1f, float.MaxValue);
            string totalSizeMB = sizeMB.ToString("f1");
            // 弹出对话框，让用户选择是否更新。
            Debug.Log($"Found update patch files, Total count {args.TotalCount} Total szie {totalSizeMB}MB");
            ShowDownloadTips(args.TotalCount, totalSizeMB);
        }

        private void DownloadProgressUpdateEvent(object sender, GameEventArgs e)
        {
            var args = e as DownloadProgressUpdateEventArgs;
            slider.value = (float)args.CurrentDownloadCount / args.TotalDownloadCount;
            string currentSizeMB = (args.CurrentDownloadSizeBytes / 1048576f).ToString("f1");
            string totalSizeMB = (args.TotalDownloadSizeBytes / 1048576f).ToString("f1");
            this.txt_Slider.text = $"下载中：{args.CurrentDownloadCount}/{args.TotalDownloadCount} {currentSizeMB}MB/{totalSizeMB}MB";
        }

        private void PackageVersionUpdateFailedEvent(object sender, GameEventArgs e)
        {
            var args = e as PackageVersionUpdateFailedEventArgs;
            Debug.Log($"Failed to update static version, please check the network status.");
            this.count++;
            if (this.count <= 3)
            {
                string str = $"Failed to update static version, please check the network status.";
                StartCoroutine(ShowTips(str));
                // 用户尝试再次更新静态版本，此步回调资源更新中的更新版本步骤
                EventManager.Instance.FireNow(UpdatePackageCallbackEventArgs.EventId, new UpdatePackageCallbackEventArgs(UpdatePackageCallbackType.再次更新静态版本));
            }
            else
            {
                string str = "获取最新版本失败，请检查服务器是否未开启！";
                SetTipsContent(str);
            }
        }

        private void PatchManifestUpdateFailedEvent(object sender, GameEventArgs e)
        {
            var args = e as PatchManifestUpdateFailedEventArgs;
            Debug.Log("Failed to update patch manifest, please check the network status.");
            string str = $"Failed to update patch manifest, please check the network status.";
            StartCoroutine(ShowTips(str));
            // 用户尝试再次更新补丁清单
            EventManager.Instance.FireNow(UpdatePackageCallbackEventArgs.EventId, new UpdatePackageCallbackEventArgs(UpdatePackageCallbackType.再次更新补丁清单));
        }

        private void WebFileDownloadFailedEvent(object sender, GameEventArgs e)
        {
            var args = e as WebFileDownloadFailedEventArgs;
            Debug.Log($"Failed to download file : {args.FileName}");
            string str = $"Failed to download file : {args.FileName}";
            StartCoroutine(ShowTips(str));
            // 用户尝试再次下载网络文件
            EventManager.Instance.FireNow(UpdatePackageCallbackEventArgs.EventId, new UpdatePackageCallbackEventArgs(UpdatePackageCallbackType.再次下载网络文件));
        }

        private void UpdaterDoneEvent(object sender, GameEventArgs e)
        {
            var args = e as UpdaterDoneEventArgs;
            Debug.Log("资源更新完成");
            string str = $"资源更新完成";
            slider.value = 1;
            StartCoroutine(ShowTips(str));
            GlobalInitFinishEvent(this, null);
        }

        private void GlobalInitFinishEvent(object sender, GameEventArgs e)
        {
            Destroy(this.gameObject);
        }

#endregion
    }
}