using Newtonsoft.Json;
using Paroxe.PdfRenderer;
using RenderHeads.Media.AVProVideo.Demos;
using SK.Framework;
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.Playables;
using UnityEngine.UI;

/// <summary>
/// 设备结构认知
/// </summary>
public class EquipmentStructureView : UIView
{
    public Variables variables;

    private List<PlayableDirector> devicesTimeline = new List<PlayableDirector>();
    private PlayableDirector currentDevice;
    private bool isDragging;
    public Animator[] animators;

    private List<GameObject> models = new List<GameObject>();
    private EnhancedModelViewerOrbitCamera enhancedModelViewerOrbitCamera;
    private ModelSpreadController modelSpreadController;
    public List<Button> deviceBtns = new List<Button>();
    [System.Serializable]
    public class ButtonData
    {
        public Sprite normalSprite;
        public Sprite selectedSprite;
    }
    public List<ButtonData> deviceBtnData = new List<ButtonData>();
    // 运行时使用的字典
    private Dictionary<Button, ButtonData> buttonDictionary = new Dictionary<Button, ButtonData>();
    private Button _currentSelectedButton;

    [SerializeField] private List<ButtonData> modeData = new List<ButtonData>();

    [SerializeField] private List<ButtonData> funcData = new List<ButtonData>();


    protected override void OnInit(IViewData data)
    {
        base.OnInit(data);
        variables.Set<EquipmentStructureView>("my_EquipmentStructure", this);
    }

    void Start()
    {
        models.Clear();
        GameObject trans = GameObject.Find("AllModels");
        if (trans != null)
        {
            for (int i = 0; i < trans.transform.childCount; i++)
            {
                models.Add(trans.transform.GetChild(i).gameObject);
                models[i].SetActive(false);
            }
        }

        models.RemoveAt(0);
        models[0].Activate();


        enhancedModelViewerOrbitCamera = Camera.main.GetComponent<EnhancedModelViewerOrbitCamera>();
        modelSpreadController = this.gameObject.AddComponent<ModelSpreadController>();

        modelSpreadController.SetTarget(models[0].transform);

        /*
        devicesTimeline.Add(variables.Get<PlayableDirector>("空调"));
        devicesTimeline.Add(variables.Get<PlayableDirector>("泵"));
        devicesTimeline.Add(variables.Get<PlayableDirector>("空压机"));

        Toggle[] toggles = variables.Get<ToggleGroup>("设备列表").GetComponentsInChildren<Toggle>();
        for (int i = 0; i < toggles.Length; i++)
        {
            int index = i;
            toggles[i].onValueChanged.AddListener(delegate (bool isOn) { OnToggleValueChanged(isOn, index); });
        }*/
        InitLeftBtns();

        SetSelectedButton(deviceBtns[0]);
        SetHightlight(variables.Get<Button>("合并"), modeData[1]);


        variables.Get<Button>("关闭界面").onClick.AddListener(delegate
        {

            Unload();
            Load<TypicalEnergyHomeView>();
        });
        variables.Get<Button>("原理动画").onClick.AddListener(delegate
        {
            variables.Get<Slider>("动画节点").gameObject.SetActive(!variables.Get<Slider>("动画节点").gameObject.activeSelf);
        });

        variables.Get<Button>("拆解").onClick.AddListener(delegate
        {
            /*
            variables.Get<Button>("1倍").gameObject.SetActive(!variables.Get<Button>("1倍").gameObject.activeSelf);
            variables.Get<Button>("0.5倍").gameObject.SetActive(!variables.Get<Button>("0.5倍").gameObject.activeSelf);
            variables.Get<Button>("0.25倍").gameObject.SetActive(!variables.Get<Button>("0.25倍").gameObject.activeSelf);*/
            Debug.Log("拆解");


            SetNormal(variables.Get<Button>("合并"), modeData[1]);
            SetHightlight(variables.Get<Button>("拆解"), modeData[0]);

            modelSpreadController.Split();


        });
        variables.Get<Button>("合并").onClick.AddListener(delegate
        {
            SetHightlight(variables.Get<Button>("合并"), modeData[1]);
            SetNormal(variables.Get<Button>("拆解"), modeData[0]);

            Debug.Log("合并");
            modelSpreadController.Merge();
        });
        variables.Get<Button>("媒体资源").onClick.AddListener(delegate
        {
            variables.Get<Button>("操作手册").gameObject.SetActive(!variables.Get<Button>("操作手册").gameObject.activeSelf);
            variables.Get<Button>("FAQ").gameObject.SetActive(!variables.Get<Button>("FAQ").gameObject.activeSelf);
            variables.Get<Button>("维护视频").gameObject.SetActive(!variables.Get<Button>("维护视频").gameObject.activeSelf);
        });
        /*
        variables.Get<Button>("安装调试").onClick.AddListener(delegate
        {

        });*/

        variables.Get<Button>("1倍").onClick.AddListener(delegate
        {
            SetTimelineSpeed(1);
        });
        variables.Get<Button>("0.5倍").onClick.AddListener(delegate
        {
            SetTimelineSpeed(0.5f);
        });
        variables.Get<Button>("0.25倍").onClick.AddListener(delegate
        {
            SetTimelineSpeed(0.25f);
        });
        variables.Get<Button>("操作手册").onClick.AddListener(delegate
        {
            SetHightlight(variables.Get<Button>("操作手册"), funcData[0]);
            SetNormal(variables.Get<Button>("FAQ"), funcData[1]);
            SetNormal(variables.Get<Button>("维护视频"), funcData[2]);

            //variables.Get<PDFViewer>("PDFViewer").Activate();
            variables.Get<GameObject>("PDF背景").Activate();
            //   variables.Get<PDFViewer>("PDFViewer").LoadDocumentFromStreamingAssets("PDF", "空调操作手册.pdf");
            GetFileJson();
        });
        variables.Get<Button>("FAQ").onClick.AddListener(delegate
        {
            SetNormal(variables.Get<Button>("操作手册"), funcData[0]);
            SetHightlight(variables.Get<Button>("FAQ"), funcData[1]);
            SetNormal(variables.Get<Button>("维护视频"), funcData[2]);
            variables.Get<Transform>("FAQ物体").Activate();
            GetFileJson();
        });
        variables.Get<Button>("维护视频").onClick.AddListener(delegate
        {
            SetNormal(variables.Get<Button>("操作手册"), funcData[0]);
            SetNormal(variables.Get<Button>("FAQ"), funcData[1]);
            SetHightlight(variables.Get<Button>("维护视频"), funcData[2]);

            variables.Get<RectTransform>("MediaPlayerUI").gameObject.Activate();
        });
        StartCoroutine(OpenCheck());
    }


    void InitLeftBtns()
    {

        // 初始化字典
        for (int i = 0; i < deviceBtns.Count; i++)
        {
            buttonDictionary[deviceBtns[i]] = deviceBtnData[i];

            SetNormal(deviceBtns[i], deviceBtnData[i]);

            // 添加点击事件
            int index = i; // 闭包需要
            deviceBtns[i].onClick.AddListener(() => OnButtonSelected(deviceBtns[index], index));
        }

        // 设置默认选中
        if (deviceBtns.Count > 0)
        {
            SetSelectedButton(deviceBtns[0]);
        }
    }

    private void OnButtonSelected(Button selectedButton, int index)
    {
        if (_currentSelectedButton == selectedButton) return;

        // 取消上一个按钮的选中
        if (_currentSelectedButton != null && buttonDictionary.ContainsKey(_currentSelectedButton))
        {
            SetNormal(_currentSelectedButton, buttonDictionary[_currentSelectedButton]);
        }
        for (int i = 0; i < models.Count; i++)
        {
            if (i == index)
            {
                models[i].Activate();

                enhancedModelViewerOrbitCamera.SetTarget(models[i].transform);

            modelSpreadController.SetTarget(models[i].transform);
            }
            else
            {
                models[i].Deactivate();

                // 设置新按钮的选中
                SetSelectedButton(selectedButton);
            }
        }
    }

    public void SetSelectedButton(Button button)
    {
        if (!buttonDictionary.ContainsKey(button))
        {
            Debug.LogWarning($"按钮 {button.name} 不在管理列表中");
            return;
        }

        _currentSelectedButton = button;

        SetHightlight(button, buttonDictionary[button]);
    }
    /// <summary>
    /// 获取对应设备的FAQ和PDF文件
    /// </summary>
    private void GetFileJson()
    {
        Root root = new Root();
        variables.Get<Text>("FAQText文本").text = "";
        switch (_currentSelectedButton.name)
        {
            case "空调":
                if (variables.Get<PDFViewer>("PDFViewer").gameObject.activeInHierarchy)
                    variables.Get<PDFViewer>("PDFViewer").LoadDocumentFromStreamingAssets("PDF", "空调操作手册.pdf");
                root = JsonConvert.DeserializeObject<Root>(LocalTextLoader.LoadText(Application.streamingAssetsPath + "/FAQ/空调FAQ.json"));
                for (int i = 0; i < root.DeviceFAQ.Count; i++)
                {
                    variables.Get<Text>("FAQText文本").text += "<color=#29B4FF>" + root.DeviceFAQ[i].Question + "</color>" + "\n\n" + "<color=#CCEDFF>" + root.DeviceFAQ[i].Answer + "</color>" + "\n\n";
                }
                break;
            case "泵":
                if (variables.Get<PDFViewer>("PDFViewer").gameObject.activeInHierarchy)
                    variables.Get<PDFViewer>("PDFViewer").LoadDocumentFromStreamingAssets("PDF", "泵操作手册.pdf");
                root = JsonConvert.DeserializeObject<Root>(LocalTextLoader.LoadText(Application.streamingAssetsPath + "/FAQ/泵FAQ.json"));
                for (int i = 0; i < root.DeviceFAQ.Count; i++)
                {
                    variables.Get<Text>("FAQText文本").text += "<color=#29B4FF>" + root.DeviceFAQ[i].Question + "</color>" + "\n\n" + "<color=#CCEDFF>" + root.DeviceFAQ[i].Answer + "</color>" + "\n\n";
                }
                break;
            case "空压机":
                if (variables.Get<PDFViewer>("PDFViewer").gameObject.activeInHierarchy)
                    variables.Get<PDFViewer>("PDFViewer").LoadDocumentFromStreamingAssets("PDF", "空压机操作手册.pdf");
                root = JsonConvert.DeserializeObject<Root>(LocalTextLoader.LoadText(Application.streamingAssetsPath + "/FAQ/空压机FAQ.json"));
                for (int i = 0; i < root.DeviceFAQ.Count; i++)
                {
                    variables.Get<Text>("FAQText文本").text += "<color=#29B4FF>" + root.DeviceFAQ[i].Question + "</color>" + "\n\n" + "<color=#CCEDFF>" + root.DeviceFAQ[i].Answer + "</color>" + "\n\n";
                }
                break;
        }
        LayoutRebuilder.ForceRebuildLayoutImmediate(variables.Get<Text>("FAQText文本").rectTransform);
    }

    IEnumerator OpenCheck()
    {
        yield return new WaitForSeconds(3f);
        enhancedModelViewerOrbitCamera.SetEnableClickToFocus(true);
    }


    /// <summary>
    /// 设备开关状态改变事件
    /// </summary>
    /// <param name="isOn"></param>
    void OnToggleValueChanged(bool isOn, int index)
    {
        if (isOn)
        {
            Debug.Log($"设备：{index}");

            if (Get<EquipmentChildStructureView>() != null)
            {
                Debug.Log("关闭子结构");
                Get<EquipmentChildStructureView>().Unload();
            }

            for (int i = 0; i < models.Count; i++)
            {
                if (i == index)
                {
                    models[i].Activate();
                    enhancedModelViewerOrbitCamera.SetTarget(models[i].transform);
                    //currentModel = models[i].transform;
                    modelSpreadController.SetTarget(models[i].transform);
                }
                else
                {
                    models[i].Deactivate();
                }
            }
        }
    }

    /// <summary>
    /// 速度改变事件
    /// </summary>
    /// <param name="speed"></param>
    void SetTimelineSpeed(float speed)
    {
        if (currentDevice == null) return;
        currentDevice.Resume();
        variables.Get<Slider>("动画节点").value = 0;

        if (currentDevice.playableGraph.IsValid())
        {
            var rootPlayable = currentDevice.playableGraph.GetRootPlayable(0);
            if (rootPlayable.IsValid())
                rootPlayable.SetSpeed(speed);
        }

        variables.Get<Slider>("动画节点").minValue = 0f;
        variables.Get<Slider>("动画节点").maxValue = (float)currentDevice.duration;
        variables.Get<Slider>("动画节点").wholeNumbers = false;

        variables.Get<Slider>("动画节点").onValueChanged.AddListener(delegate (float value)
        {
            currentDevice.time = value;
            currentDevice.Evaluate();
        });

        currentDevice.Play();
    }

    void Update()
    {
        /*
        // Timeline → Slider
        if (!isDragging && currentDevice.state == PlayState.Playing)
        {
            variables.Get<Slider>("动画节点").value = (float)currentDevice.time;
        }
*/
    }

    /// <summary>
    /// 开始拖拽
    /// </summary>
    /// <param name="eventData"></param>
    public void OnBeginDrag(PointerEventData eventData)
    {
        isDragging = true;
        currentDevice.Pause();
        Freeze();
    }

    /// <summary>
    /// 拖拽结束
    /// </summary>
    /// <param name="eventData"></param>
    public void OnEndDrag(PointerEventData eventData)
    {
        isDragging = false;

        currentDevice.time = variables.Get<Slider>("动画节点").value;
        currentDevice.Evaluate();
        currentDevice.Play();
        Resume();
    }

    public void Freeze()
    {
        foreach (var animator in animators)
        {
            if (animator != null)
                animator.speed = 0f;
        }
    }
    public void Resume()
    {
        foreach (var animator in animators)
        {
            if (animator != null)
                animator.speed = 1f;
        }
    }

    /// <summary>
    /// 退出子物体观察模式
    /// </summary>
    public void ExitChildObservationMode()
    {
        //enhancedModelViewerOrbitCamera.ExitChildObservationMode();
    }

    #region ButtonData

    /// <summary>
    /// 设置默认
    /// </summary>
    /// <param name="target"></param>
    /// <param name="data"></param>
    private void SetNormal(Button target, ButtonData data)
    {
        Image img = target.GetComponent<Image>();
        if (img != null)
        {
            img.sprite = data.normalSprite;
        }
    }

    /// <summary>
    /// 设置高亮
    /// </summary>
    /// <param name="target"></param>
    /// <param name="data"></param>
    private void SetHightlight(Button target, ButtonData data)
    {
        Image img = target.GetComponent<Image>();
        if (img != null)
        {
            img.sprite = data.selectedSprite;
        }
    }

    #endregion
}
public class DeviceFAQItem
{
    /// <summary>
    /// 问题
    /// </summary>
    public string Question { get; set; }
    /// <summary>
    /// 回答
    /// </summary>
    public string Answer { get; set; }
}

public class Root
{
    /// <summary>
    ///  问题回答集合
    /// </summary>
    public List<DeviceFAQItem> DeviceFAQ { get; set; }
}