using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using Kill.Network;
using Kill.Managers;
namespace Kill.UI.Pages
{
    public class VideoUIItem : MonoBehaviour
    {
        public Text timeText;
        public Image videoImage;
        public Text data;
        /// <summary>视频项:未下载时显示下载按钮(prefab 内挂载)</summary>
        public Button downloadButton;
        /// <summary>视频项:已下载时显示播放按钮(prefab 内挂载)</summary>
        public Button playButton;
        /// <summary>下载进度条底色(显示/隐藏用)</summary>
        public Image loadingImage;
        /// <summary>亮色进度条(loadingImage 的子物体,Image type=Filled,进度填充到它身上)</summary>
        public Image fillLoadingImage;
        public string videoUrl;
        bool isVideo = false;

        private Image FillBar => fillLoadingImage != null ? fillLoadingImage : loadingImage;

        /// <summary>显示/隐藏下载进度条,开始时归零;下载中隐藏 下载/播放 按钮,完成后由 RefreshButtons 恢复</summary>
        public void ShowDownloading(bool show)
        {
            if (loadingImage != null) loadingImage.gameObject.SetActive(show);
            var bar = FillBar;
            if (show && bar != null) bar.fillAmount = 0f;
            // 下载期间收起 下载/播放 按钮,只留进度条
            if (downloadButton != null) downloadButton.gameObject.SetActive(false);
            if (playButton != null) playButton.gameObject.SetActive(false);
        }

        /// <summary>用下载进度刷新亮色条 fillAmount(0~1),并在完成时隐藏底色</summary>
        public void UpdateDownloadProgress(bool done, Kill.Network.DownloadProgress progress)
        {
            if (done)
            {
                if (loadingImage != null) loadingImage.gameObject.SetActive(false);
                return;
            }
            var bar = FillBar;
            if (bar == null) return;
            float pct = progress != null ? progress.ProgressPercentage : 0f;
            bar.fillAmount = Mathf.Clamp01(pct / 100f);
        }

        public void Init(DateTime time,string path="",float angle=0,float dis=0)
        {
            timeText.text = time.ToString("yyyy-MM-dd HH:mm:ss");
            if(path!="")
            {
                videoImage.gameObject.SetActive(true);
                //NetworkCtrl.Instance.LoadImageToUIImageAsync(path, videoImage);
                data.text="";
            }
            else
            {
                int type=DataManager.Instance.userInfo.unit_system;
                string disStr="";
                if(type==0)
                {
                    disStr=dis.ToString("f1")+"m";
                }
                else
                {
                    int lensFt=Mathf.RoundToInt((float)(dis * 3.28084));
                    disStr=lensFt+"ft";
                }
                videoImage.gameObject.SetActive(false);
                data.text=$"{angle}°    {disStr}";
            }
        }

        /// <summary>
        /// 视频项专用:绑定 url 与 下载/播放 两个按钮的回调
        /// </summary>
        /// <param name="url">视频源 url(.mp4 或 .h264)</param>
        /// <param name="onDownload">点下载按钮</param>
        /// <param name="onPlay">点播放按钮</param>
        public void SetupVideo(string url, UnityEngine.Events.UnityAction onDownload, UnityEngine.Events.UnityAction onPlay)
        {
            videoUrl = url;
            isVideo = true;
            if (downloadButton != null)
            {
                downloadButton.onClick.RemoveAllListeners();
                downloadButton.onClick.AddListener(onDownload);
            }
            if (playButton != null)
            {
                playButton.onClick.RemoveAllListeners();
                playButton.onClick.AddListener(onPlay);
            }
            RefreshButtons();
        }

        /// <summary>
        /// 根据下载状态刷新按钮显示:未下载显下载、已下载显播放;非视频项隐藏两个按钮
        /// </summary>
        public void RefreshButtons()
        {
            if (downloadButton == null || playButton == null) return;
            if (!isVideo)
            {
                downloadButton.gameObject.SetActive(false);
                playButton.gameObject.SetActive(false);
                return;
            }
            bool cached = Kill.Video.VideoCacheManager.IsCached(videoUrl);
            downloadButton.gameObject.SetActive(!cached);
            playButton.gameObject.SetActive(cached);
        }
    }
}