using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using Kill.UI.Components;
using Kill.UI;
using System.Threading.Tasks;
using System;
using Kill.Network;
using Kill.Managers;
using UnityEngine.Video;
using System.IO;
namespace Kill.UI.Pages
{
    public class VideoPageCtrl : MonoBehaviour
    {

        public class Videodata
        {
            public string videoUrl;
            public string coverUrl;
            public DateTime time;
        }
        public class KillData
        {
            public DateTime time;
            public float angle;
            public float dis;
        }

        public Button backBtn;
        public VerticalScrollLoader scrollLoader;
        public VideoUIItem videoUIItemPrefab;
        public Transform content;
        int totalCount=0;
        List<GameObject> videoList = new List<GameObject>();
        private int currentPage = 1;
        private bool isLoading = false;
        private bool hasMoreData = true;
        public GameObject noTip;
        void Start()
        {
            backBtn.onClick.RemoveAllListeners();
            backBtn.onClick.AddListener(Back);
            UIManager.Instance.RegisterBackAction(Back);
            ChangeType(0);
         
        }
        public Button[] changeTypeButtons;
        public void ChangeType(int type)
        {
            if(videoList!=null)
            {
                foreach(var g in videoList)
                {
                    Destroy(g);
                }
                videoList.Clear();
            }
            videoList=new List<GameObject>();
            changeTypeButtons[type].interactable = false;
            changeTypeButtons[type].transform.Find("选中").gameObject.SetActive(true);
            changeTypeButtons[1-type].interactable = true;
            changeTypeButtons[1-type].transform.Find("选中").gameObject.SetActive(false);
            if (type == 0)
            {
                // 设置滚动加载阈值
                if (scrollLoader != null)
                {
                    scrollLoader.onLoadTriggered.AddListener(OnScrollToLoadKill);
                    scrollLoader.ResetLoader();
                }
                currentPage = 1;
                hasMoreData = true;
                totalCount=0;
                GetKillDataList();
            }
            else
            {
                // 设置滚动加载阈值
                if (scrollLoader != null)
                {
                    scrollLoader.onLoadTriggered.AddListener(OnScrollToLoadVideo);
                    scrollLoader.ResetLoader();
                }
                currentPage = 1;
                hasMoreData = true;
                totalCount=0;
                GetVideoList();
            }
        }
        public void Back()
        {
            UIManager.Instance.OpenMainPage(UIManager.PageName.homePage);
        }
        public async Task GetVideoList()
        {
            isLoading = true;

            LoadingUI.Show();
            string url = $"/api/v1/stats/device/videos?device_sn={DataManager.Instance.selectedDevice.ble_mac}&page={currentPage}&page_size=30";
            var response = await NetworkCtrl.Instance.Get<DeviceVideoDataListResponse>(url);

            LoadingUI.Hide();

            ResponseCodeHandler.HandleResponse(response,
                onSuccess: (data) =>
                {
                    if(data.data.total>0)
                    {
                        noTip.SetActive(false);
                    }
                    else
                    {
                        noTip.SetActive(true);
                    }
                    isLoading = false;
                    if (data.data.list != null && data.data.list.Count > 0)
                    {
                        foreach (var item in data.data.list)
                        {
                            Videodata vd = new Videodata()
                            {
                                time = item.record_time,
                                videoUrl = item.video_url,
                                coverUrl=item.cover_url
                            };
                            CreateVideoItem(vd);
                            totalCount++;
                        }
                        if(totalCount>=data.data.total)
                        {
                            hasMoreData = false;
                            scrollLoader?.SetAllDataLoaded();
                        }
                        else
                        {
                            hasMoreData = true;
                            scrollLoader?.OnLoadComplete();
                        }
                    }

                }, 
                onError: null
            );
        }
        public async Task GetKillDataList()
        {
            isLoading = true;

            LoadingUI.Show();
            string url = $"/api/v1/stats/device/records?device_sn={DataManager.Instance.selectedDevice.ble_mac}&type=1&page={currentPage}&page_size=30";
            var response = await NetworkCtrl.Instance.Get<RecordDataListResponse>(url);

            LoadingUI.Hide();

            ResponseCodeHandler.HandleResponse(response,
                onSuccess: (data) =>
                {
                    if(data.data.total>0)
                    {
                        noTip.SetActive(false);
                    }
                    else
                    {
                        noTip.SetActive(true);
                    }
                    isLoading = false;
                    if (data.data.records != null && data.data.records.Count > 0)
                    {
                        foreach (var item in data.data.records)
                        {
                            
                                KillData kd = new KillData()
                                {
                                    time = item.time,
                                    angle = item.angle,
                                    dis=item.distance
                                };
                                CreateKillItem(kd);

                                totalCount++;

                            
                        }
                        Debug.Log(totalCount);
                        if(totalCount>=data.data.total)
                        {
                            hasMoreData = false;
                            scrollLoader?.SetAllDataLoaded();
                        }
                        else
                        {
                            hasMoreData = true;
                            scrollLoader?.OnLoadComplete();
                        }
                    }

                }, 
                onError: null
            );
        }
        /// <summary>
        /// 滚动到指定位置加载新消息
        /// </summary>
        private void OnScrollToLoadKill()
        {
            Debug.Log("加载新记录");
            if (isLoading || !hasMoreData) return;

            currentPage++;
            GetKillDataList();
        }
         private void OnScrollToLoadVideo()
        {
            if (isLoading || !hasMoreData) return;

            currentPage++;
            GetVideoList();
        }
        /// <summary>
        /// 创建视频UI
        /// </summary>
        private void CreateVideoItem(Videodata data)
        {
            if (videoUIItemPrefab == null || content == null) return;

            var item = Instantiate(videoUIItemPrefab, content);
            item.GetComponent<VideoUIItem>().Init(data.time, data.coverUrl);
            item.GetComponent<Button>().onClick.AddListener(() => ClickOneVideo(data.videoUrl));
            videoList.Add(item.gameObject);
        }
        /// <summary>
        /// 创建灭蚊记录UI
        /// </summary>
        /// <param name="data"></param>
        private void CreateKillItem(KillData data)
        {
            if (videoUIItemPrefab == null || content == null) return;

            var item = Instantiate(videoUIItemPrefab, content);
            item.GetComponent<VideoUIItem>().Init(data.time, "",data.angle,data.dis);
            videoList.Add(item.gameObject);
        }
        public VideoCtrl videoCtrl;
        public void ClickOneVideo(string url)
        {
            videoCtrl.transform.parent.gameObject.SetActive(true);
            videoCtrl.SetVideo(url);
            downloadBtn.onClick.RemoveAllListeners();
            downloadBtn.onClick.AddListener(() => ClickDownload(url));
        }
        public void CloseVideo()
        {
            videoCtrl.transform.parent.gameObject.SetActive(false);
            videoCtrl.Stop();
        }
        public async Task DownLoadVideo(string url)
        {
            LoadingUI.Show();
            string name = url.Substring(url.LastIndexOf('/') + 1);
            string savePath = Application.persistentDataPath + "/"+name;
            var success = await NetworkCtrl.Instance.DownloadFile(url, savePath, GetDownloadProcess);
            LoadingUI.Hide();
            
            if (success.IsSuccess && File.Exists(savePath))
            {
                // 下载成功，保存到系统相册
                SaveVideoToGallery(savePath, name);
            }
            else
            {
                ToastUI.Show("100258");
            }
        }
        
        /// <summary>
        /// 保存视频到系统相册
        /// </summary>
        private void SaveVideoToGallery(string filePath, string fileName)
        {
#if UNITY_ANDROID || UNITY_IOS
            NativeGallery.SaveVideoToGallery(filePath, "photonmatrix", fileName, (success, path) =>
            {
                if (success)
                {
                    ToastUI.Show("100257");
                    Debug.Log($"[VideoPageCtrl] 视频已保存到相册: {path}");
                }
                else
                {
                    ToastUI.Show("100258");
                    Debug.LogError($"[VideoPageCtrl] 保存视频到相册失败: {filePath}");
                }
            });
#endif
        }
        public Button downloadBtn;
        public void ClickDownload(string url)
        {
            DownLoadVideo(url);
        }
        public void GetDownloadProcess( DownloadProgress progress)
        {
            Debug.Log(progress.ProgressPercentage + "%");
        }

    }

}