using System.Collections.Generic;
using UnityEngine;

namespace Mly.Hotfix
{
    public abstract class CheatListView<T> : MonoBehaviour
    {
        /// <summary>
        /// 按钮列表
        /// </summary>
        protected abstract IList<T> List { get; }

        protected virtual GUIStyle ItemStyle => CheatUtil.GetGUIButtonStyle();

        private bool collapse;

        protected virtual void Awake()
        {
            CheatUtil.AutoScaling();
        }

        protected virtual void OnGUI()
        {
            UpdateView();
        }

        protected virtual void UpdateView()
        {
            if (List == null)
                return;

            CheatUtil.PointToStart();

            if (collapse)
                UpdateList();

            if (GUI.Button(CheatUtil.GetNextRect(), collapse ? "收起" : "展开", ItemStyle))
                collapse = !collapse;
        }

        protected virtual void UpdateList()
        {
            CheatUtil.DrawCheatList(List, (item, rect) =>
            {
                if (GUI.Button(rect, GetItemText(item), ItemStyle))
                    OnClickItem(item);
            });
        }

        /// <summary>
        /// 按钮文字
        /// </summary>
        protected abstract string GetItemText(T item);

        /// <summary>
        /// 按钮点击
        /// </summary>
        protected abstract void OnClickItem(T item);
    }
}