/// #pkgName FGUI包名
/// #panelName UIPanel名字
/// #UIName = $"{#pkgName}{#panelName}" UIKey名字
/// 该脚本由模板创建
/// created by cb 2024

using FairyGUI;
using FL.Data;
using XGame.Database;
using XGame.Framework.UI;

namespace FL.FGUI
{
    /// <summary>
    /// UI逻辑处理类
    /// </summary>
    /// <typeparam name=""></typeparam>
    public partial class BagUsePanelCtrl : UIController<BagUsePanelVM>
    {
        private int _useNum; // 要使用的数量
        private int _maxNum; // 拥有的数量
        protected override void OnEnable(object intent)
        {
            AddUIListenres();
            ShowUI(intent as ItemTable);
        }
        protected override void OnDisable()
        {
            RemoveUIListenres();
        }
        #region UI事件
        private void AddUIListenres()
        {
            VM.UseBtn.onClick.Add(OnClickUseBtn);
            VM.ReduceOneBtn.onClick.Add(OnClickReduceOneBtn);
            VM.ReduceTenBtn.onClick.Add(OnClickReduceTenBtn);
            VM.AddOneBtn.onClick.Add(OnClickAddOneBtn);
            VM.AddTenBtn.onClick.Add(OnClickAddTenBtn);
            VM.MaxBtn.onClick.Add(OnClickMaxBtn);

        }
        private void RemoveUIListenres()
        {
            VM.UseBtn.onClick.Remove(OnClickUseBtn);
            VM.ReduceOneBtn.onClick.Remove(OnClickReduceOneBtn);
            VM.ReduceTenBtn.onClick.Remove(OnClickReduceTenBtn);
            VM.AddOneBtn.onClick.Remove(OnClickAddOneBtn);
            VM.AddTenBtn.onClick.Remove(OnClickAddTenBtn);
            VM.MaxBtn.onClick.Remove(OnClickMaxBtn);

        }
        private void OnClickUseBtn(EventContext context)
        {
            
        }
        private void OnClickReduceOneBtn(EventContext context)
        {
            ShowUseNum(_useNum - 1);
        }
        private void OnClickReduceTenBtn(EventContext context)
        {
            ShowUseNum(_useNum - 10);
        }
        private void OnClickAddOneBtn(EventContext context)
        {
            ShowUseNum(_useNum + 1);
        }
        private void OnClickAddTenBtn(EventContext context)
        {
            ShowUseNum(_useNum + 10);
        }
        private void OnClickMaxBtn(EventContext context)
        {
            ShowUseNum(_maxNum);
        }

        #endregion

        private void ShowUI(ItemTable itemInfo)
        {
            if (itemInfo != null)
            {
                _maxNum = ItemData.Instance.GetItemNum(itemInfo.Id);
                VM.CountLabel.text = _maxNum.ToString();
                VM.QualityIcon.icon = AddressableDefine.ItemFrame(itemInfo.Quality);
                VM.ItemIcon.icon = itemInfo.Icon;
                ShowUseNum(1);
            }
        }

        private void ShowUseNum(int count)
        {
            if (count < 0 || count > _maxNum) return;
            _useNum = count;
            VM.UseNumLabel.text = _useNum.ToString();
            ShowBtnState();
        }
        /// <summary>
        /// 增加|减少数量的按钮状态
        /// </summary>
        private void ShowBtnState()
        {
            VM.ReduceOneBtn.enabled = _useNum != 0;
            VM.ReduceTenBtn.enabled = _useNum != 0;
            VM.UseBtn.enabled = _useNum != 0;
            VM.AddOneBtn.enabled = _useNum != _maxNum;
            VM.AddTenBtn.enabled = _useNum != _maxNum;
        }
    }
}