using System;
using System.Collections;
using System.Collections.Generic;
using Gameplay;
using Sirenix.OdinInspector.Editor;
using UnityEditor;
using UnityEditor.UI;
using UnityEngine;
using UnityEngine.UIElements;

[CustomEditor(typeof(ShowComponent), true)]
public class ShowComponentInspector : OdinEditor
{
    private ShowComponent Target => target as ShowComponent;
    /// <summary>
    /// 角色演出点列表
    /// </summary>
    private readonly List<Transform> listCharacterShowPoint = new();
    /// <summary>
    /// 道具演出点列表
    /// </summary>
    private readonly List<Transform> listItemShowPointRoot = new();
    /// <summary>
    /// 记录上一次角色演出点根节点
    /// </summary>
    private Transform lastCharacterShowPointRoot;
    /// <summary>
    /// 记录上一次道具演出点根节点
    /// </summary>
    private Transform lastItemShowPointRoot;
    /// <summary>
    /// 角色演出点是否展开
    /// </summary>
    private bool isCharacterFoldOut;
    /// <summary>
    /// 道具演出点是否展开
    /// </summary>
    private bool isItemFoldOut;
    private GUIStyle style;

    private void InitGuiStyle()
    {
        if (style == null)
        {
            style = new(GUI.skin.label)
            {
                fontSize = 30,
            };
            style.normal.textColor = Color.black;
        }
    }

    public override void OnInspectorGUI()
    {
        base.OnInspectorGUI();

        RefreshShowPoint();

        if (CommonUtils.IsInGame())
        {
            GUI.enabled = false;
            EditorGUILayout.IntField("抽取目标数", Target.CharacterMaxCount);
            GUI.enabled = true;
        }

        isCharacterFoldOut = EditorGUILayout.Foldout(isCharacterFoldOut, $"角色演出点: ({listCharacterShowPoint.Count}个)");
        if (isCharacterFoldOut)
        {
            foreach (Transform tsShowPoint in listCharacterShowPoint)
            {
                EditorGUILayout.LabelField(tsShowPoint.name);
            }
        }

        isItemFoldOut = EditorGUILayout.Foldout(isItemFoldOut, $"道具演出点：({listItemShowPointRoot.Count}个)");
        if (isItemFoldOut)
        {
            foreach (Transform tsShowPoint in listItemShowPointRoot)
            {
                EditorGUILayout.LabelField(tsShowPoint.name);
            }
        }
    }

    private void OnSceneGUI()
    {
        InitGuiStyle();

        int pointID = 1;
        Color oldColor = Handles.color;
        Handles.color = Color.red;
        foreach (Transform tsShowPoint in listCharacterShowPoint)
        {
            if (tsShowPoint)
            {
                Handles.DrawSolidDisc(tsShowPoint.position, Vector3.up, 0.2f);
                Handles.Label(tsShowPoint.position, $"{pointID}", style);
            }

            pointID++;
        }

        pointID = 1;
        Handles.color = Color.blue;
        foreach (Transform tsShowPoint in listItemShowPointRoot)
        {
            if (tsShowPoint)
            {
                Handles.DrawSolidDisc(tsShowPoint.position, Vector3.up, 0.2f);
                Handles.Label(tsShowPoint.position, $"{pointID}", style);
            }

            pointID++;
        }

        Handles.color = oldColor;
    }

    private void RefreshShowPoint()
    {
        if (lastCharacterShowPointRoot != Target.TsShowPointRoot)
        {
            lastCharacterShowPointRoot = Target.TsShowPointRoot;

            listCharacterShowPoint.Clear();

            if (Target.TsShowPointRoot == null)
                return;

            for (int i = 0; i < Target.TsShowPointRoot.childCount; ++i)
            {
                listCharacterShowPoint.Add(Target.TsShowPointRoot.GetChild(i));
            }
        }

        if (lastItemShowPointRoot != Target.TsItemShowPointRoot)
        {
            lastItemShowPointRoot = Target.TsItemShowPointRoot;

            listItemShowPointRoot.Clear();

            if (Target.TsItemShowPointRoot == null)
                return;

            for (int i = 0; i < Target.TsItemShowPointRoot.childCount; ++i)
            {
                listItemShowPointRoot.Add(Target.TsItemShowPointRoot.GetChild(i));
            }
        }
    }
}