using Assets.Framework.Tool;
using Assets.MyGame.Scripts.Net;
using Assets.MyGame.Scripts.Net.API.UserData_SubClass;
using System.Collections;
using System.Collections.Generic;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

public class UIHome_BY_BackPackPanel : SubUIBase
{
    public List<BaseProductCount> props;
    public Dictionary<string, BaseProductCount> propsID_Dic = new Dictionary<string, BaseProductCount>();
    public Dictionary<int, BaseProductCount> propsObjHashCode_Dic = new Dictionary<int, BaseProductCount>();
    public Transform pageParent;
    public BackPackPropItem prefabItem;

    public TextMeshProUGUI tMP_Gold;
    public TextMeshProUGUI tMP_Diamond;

    [Header("道具详情")]
    public TextMeshProUGUI tMP_Name;
    public TextMeshProUGUI tMP_Description;
    public Image img_Prop;
    public string propID;
    public string propName;     // 当前选中道具名称（数量选择面板用）
    public PropEnum propType;

    public ScrollRect scrollRect;
    public Button btn_Use;

    [Header("改名")]//使用改名卡后，弹出输入框，输入新名字，点击确定按钮，发送请求修改名字
    public GameObject changNamePanel;
    public TMP_InputField tMPText_NewName;
    public Button btn_ChangeName;

    [Header("大喇叭")]//使用大喇叭后，弹出输入框，输入弹幕，点击确定按钮，发送请求
    public GameObject DaLaBaPanel;
    public TMP_InputField tMPText_DaLaBaLabel;
    public Button btn_FaSong;
    [Header("使用提示（带数量）")]
    public GameObject useObj;
    public Slider slider_UseNum;
    public TextMeshProUGUI tMPText_ShiyongLabel;//确认使用道具 propname*<color=yellow>数量</color>
    public Button btn_Add;
    public Button btn_Subtract;
    public Button btn_QueRen;

    /// <summary>当前选中道具的拥有数量（用于数量选择面板上限）</summary>
    private int _curPropOwnedCount;
    /// <summary>当前选中数量选择面板对应道具的回调（确认使用时调用）</summary>
    private System.Action<int> _curUseCountAction;

    // 刷新时保存的状态
    //private Vector2 savedScrollPos;
    private string savedPropID;

    public override void Awake()
    {
        base.Awake();
        GameManager.Instance.OnUserDataChanged += OnUserDataChanged;

        // 改名确认按钮
        if (btn_ChangeName != null)
            btn_ChangeName.onClick.AddListener(OnClickConfirmChangeName);

        // 改名面板默认关闭
        if (changNamePanel != null)
            changNamePanel.SetActive(false);

        // 大喇叭
        if (DaLaBaPanel != null)
            DaLaBaPanel.SetActive(false);
        if (btn_FaSong != null)
            btn_FaSong.onClick.AddListener(OnClickFaSong);

        // 数量选择面板（默认隐藏）
        if (useObj != null) useObj.SetActive(false);

        if (slider_UseNum != null)
            slider_UseNum.onValueChanged.AddListener(v => UpdateUseNumLabel());

        if (btn_Add != null)
            btn_Add.onClick.AddListener(() =>
            {
                if (slider_UseNum != null)
                    slider_UseNum.value = Mathf.Min((int)slider_UseNum.value + 1, (int)slider_UseNum.maxValue);
            });

        if (btn_Subtract != null)
            btn_Subtract.onClick.AddListener(() =>
            {
                if (slider_UseNum != null)
                    slider_UseNum.value = Mathf.Max((int)slider_UseNum.value - 1, (int)slider_UseNum.minValue);
            });

        if (btn_QueRen != null)
            btn_QueRen.onClick.AddListener(OnClickConfirmUseNum);
    }

    /// <summary>刷新数量选择标签</summary>
    private void UpdateUseNumLabel()
    {
        if (tMPText_ShiyongLabel == null) return;
        int n = slider_UseNum != null ? Mathf.RoundToInt(slider_UseNum.value) : 1;
        tMPText_ShiyongLabel.text = $"确认使用道具 <color=yellow>{propName}</color> * <color=yellow>{n}</color>";
    }

    /// <summary>确认使用按钮：执行当前数量回调</summary>
    private void OnClickConfirmUseNum()
    {
        int n = slider_UseNum != null ? Mathf.RoundToInt(slider_UseNum.value) : 1;
        if (n <= 0)
        {
            UIManager.Instance.ShowBoardError("数量必须大于0");
            return;
        }
        var cb = _curUseCountAction;
        HideUseNumPanel();
        cb?.Invoke(n);
    }

    /// <summary>显示数量选择面板</summary>
    /// <param name="ownedCount">当前拥有数量（滑块上限）</param>
    /// <param name="onConfirm">确认使用回调（参数=使用数量）</param>
    private void ShowUseNumPanel(int ownedCount, System.Action<int> onConfirm)
    {
        _curPropOwnedCount = ownedCount;
        _curUseCountAction = onConfirm;

        if (useObj != null) useObj.SetActive(true);

        if (slider_UseNum != null)
        {
            slider_UseNum.minValue = 1;
            slider_UseNum.maxValue = Mathf.Max(1, ownedCount);
            slider_UseNum.value = 1;
            slider_UseNum.wholeNumbers = true;
        }
        UpdateUseNumLabel();
    }

    /// <summary>隐藏数量选择面板</summary>
    private void HideUseNumPanel()
    {
        if (useObj != null) useObj.SetActive(false);
        _curUseCountAction = null;
    }

    private void OnClickFaSong()
    {
        string msg = "广播:"+ tMPText_DaLaBaLabel?.text?.Trim();
        if (string.IsNullOrEmpty(msg))
        {
            UIManager.Instance.ShowBoardError("请输入广播内容");
            return;
        }

        APIRequestList.SendBroadcast(msg, (result) =>
        {
            //UIManager.Instance.ShowBoardGongGao($"广播: {msg}");
            tMPText_DaLaBaLabel.text = "";
            DaLaBaPanel.SetActive(false);
        });
    }

    private void OnClickConfirmChangeName()
    {
        string newName = tMPText_NewName?.text?.Trim();
        if (string.IsNullOrEmpty(newName))
        {
            UIManager.Instance.ShowBoardError("请输入新名字");
            return;
        }

        UIManager.Instance.ShowTiShi($"确定要将名字改为\"{newName}\"吗？", () =>
        {
            APIRequestList.UpdateUserName(newName, (result) =>
            {
                UIManager.Instance.ShowBoardError("改名成功");
                tMPText_NewName.text = "";
                changNamePanel.SetActive(false);
                // 拉取服务器最新用户数据，同步本地并触发全局 UI 更新
                APIRequestList.GetUser((user) =>
                {
                    if (user != null)
                        GameManager.Instance.UpdataUserData(user);
                });
            });
        });
    }

    private void OnUserDataChanged()
    {
        // 刷新前保存状态
        //if (scrollRect != null) savedScrollPos = scrollRect.normalizedPosition;
        savedPropID = propID;

        RefreshUI();
        RebuildPropsList();

        // 刷新后恢复状态
        //if (scrollRect != null) scrollRect.normalizedPosition = savedScrollPos;
    }

    protected override void OnShow(object args = null)
    {
        base.OnShow(args);
        RefreshUI();
        RebuildPropsList();
    }

    private void RefreshUI()
    {
        if (GameManager.Instance?.user?.assets == null) return;
        tMP_Gold.text = GameManager.Instance.user.assets.gold.ToString();
        tMP_Diamond.text = GameManager.Instance.user.assets.diamond.ToString();
    }

    private void RebuildPropsList()
    {
        props = GameManager.Instance.user.props;

        // 构建字典，过滤数量 ≤0 的
        propsID_Dic.Clear();
        if (props != null)
        {
            foreach (BaseProductCount product in props)
            {
                if (product.count > 0)
                    propsID_Dic[product.number] = product;
            }
        }

        // 清空旧列表
        for (int j = pageParent.childCount - 1; j >= 0; j--)
            Destroy(pageParent.GetChild(j).gameObject);
        propsObjHashCode_Dic.Clear();

        Toggle firstToggle = null;
        Toggle savedToggle = null;

        foreach (BaseProductCount product in propsID_Dic.Values)
        {
            GameObject obj = Instantiate(prefabItem.gameObject, pageParent);
            var tempItem = obj.GetComponent<BackPackPropItem>();
            tempItem.Init(new BackPackPropItemData
            {
                url = APIManager.baseURL + product.imageUrl,
                count = product.count,
                propEnum = (PropEnum)product.type
            });

            var toggle = obj.GetComponent<Toggle>();
            propsObjHashCode_Dic[obj.GetHashCode()] = product;
            if (firstToggle == null) firstToggle = toggle;
            if (!string.IsNullOrEmpty(savedPropID) && product.number == savedPropID)
                savedToggle = toggle;

            obj.GetComponent<Toggle>().onValueChanged.AddListener((value) =>
            {
                if (value) ShowPropDetail(product);
            });
        }

        // 优先选中刷新前的道具；若已用完则选中第一个
        var target = savedToggle ?? firstToggle;
        if (target != null) target.isOn = true;
    }

    private void ShowPropDetail(BaseProductCount product)
    {
        if (product == null) return;
        tMP_Name.text = product.name;
        tMP_Description.text = product.desc;
        propID = product.number;
        propName = product.name;
        propType = (PropEnum)product.type;

        WebTool.DownImage(APIManager.baseURL + product.imageUrl, (texture) =>
        {
            if (texture != null && img_Prop != null)
                img_Prop.sprite = Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height), Vector2.one * 0.5f);
        });

        btn_Use.onClick.RemoveAllListeners();
        btn_Use.onClick.AddListener(() =>
        {
            switch (propType)
            {
                case PropEnum.none: break;
                case PropEnum.炮塔碎片: break;
                case PropEnum.翅膀碎片: break;
                case PropEnum.战神碎片: break;
                case PropEnum.刮刮卡:
                    uIManager.ShowAsync(UIPanel.GuaGuaKa);
                    break;
                case PropEnum.改名卡:
                    if (changNamePanel != null)
                        changNamePanel.SetActive(true);
                    break;
                case PropEnum.大喇叭:
                    if (DaLaBaPanel != null)
                        DaLaBaPanel.SetActive(true);
                    break;
                case PropEnum.技能: break;
                case PropEnum.召唤卡: break;
                case PropEnum.VIP经验:
                    // 数量选择面板：滑块上限=当前拥有数量
                    ShowUseNumPanel(product.count, n =>
                    {
                        APIRequestList.UseVipExp(n, (result) =>
                        {
                            UIManager.Instance.ShowBoardError("使用成功");
                            APIRequestList.GetUser(GameManager.Instance.user.id, (user) =>
                            {
                                GameManager.Instance.UpdataUserData(user);
                            });
                        });
                    });
                    break;
                default: break;
            }
        });
    }
}