using System;
using System.Collections;
using System.Collections.Generic;
using Ichni.Editor;
using Ichni.RhythmGame;
using Ichni.RhythmGame.Beatmap;
using Sirenix.OdinInspector;
using SLSUtilities.General;
using UnityEngine;

namespace Ichni
{
    /// <summary>
    /// 谱面数据容器。
    /// 继承自 GameElement，作为编辑器中"游戏世界"的根节点，
    /// 持有 projectInformation / songInformation / beatmapContainer / commandScripts
    /// 等所有与谱面/游戏内容直接相关的数据。
    /// 由 EditorManager 在场景中持有引用，并通过 EditorManager 的转发属性对外暴露，
    /// 以实现零调用点改动的架构迁移。
    /// </summary>
    public class ProjectContainer : GameElement
    {
        #region [单例] Singleton
        private static ProjectContainer _instance;
        public static ProjectContainer instance =>
            _instance != null ? _instance : _instance = FindFirstObjectByType<ProjectContainer>();
        #endregion

        #region [谱面数据] Project Data
        public ProjectInformation projectInformation;
        public SongInformation songInformation;
        public BeatmapContainer beatmapContainer;
        public CommandScripts commandScripts;
        #endregion

        #region [游戏全局元素] Global Game Elements
        [Title("Runtime Global Elements")]
        public VariablesContainer variablesContainer;
        public BackgroundSetter backgroundSetter;
        #endregion

        #region [编辑器首选项] Editor Preferences
        // 这些首选项字段放在 ProjectContainer 中，以便 SetUpInspector 将 this 作为 IBaseElement owner 传给 GenerateToggle
        public NoteBase.NoteJudgeType currentJudgeType;
        public bool useClickSelect;
        public bool useNotePrefab;
        public bool ExpandWhileClick;
        public bool useQuickMove;
        #endregion

        #region [生成与初始化] Generation & Initialization
        private void Awake()
        {
            _instance = this;
        }
        #endregion

        #region [编辑器界面] Inspector
        public override void SetUpInspector()
        {
            IHaveInspection inspector = EditorManager.instance.uiManager.inspector;

            var container = inspector.GenerateContainer("Editor Manager");

            var inGameSettings = container.GenerateSubcontainer(3);
            inspector.GenerateDropdown(this, inGameSettings, "Judge Type",
                typeof(NoteBase.NoteJudgeType), nameof(currentJudgeType))
                .AddListenerFunction(() =>
                {
                    foreach (GameElement gameElement in beatmapContainer.gameElementList)
                    {
                        if (gameElement is NoteVisualBase noteVisual)
                        {
                            noteVisual.Recover();
                        }
                    }
                });
            inspector.GenerateToggle(this, inGameSettings, "Use Note Prefab", nameof(useNotePrefab));
            inspector.GenerateToggle(this, inGameSettings, "Use Click Select", nameof(useClickSelect));
            inspector.GenerateToggle(this, inGameSettings, "Expand Tab While Click", nameof(ExpandWhileClick));
            inspector.GenerateToggle(this, inGameSettings, "Use Quick Move", nameof(useQuickMove));

            var generation = container.GenerateSubcontainer(3);
            inspector.GenerateButton(this, generation, "Generate Folder",
                () => ElementFolder.GenerateElement("Folder", Guid.NewGuid(), new List<string>(), true, null));
            inspector.GenerateButton(this, generation, "Generate Background Setter",
                () => BackgroundSetter.GenerateElement("Background Setter", Guid.NewGuid(),
                    new List<string>(), true, null, false, "basic", "Skybox", "Background"));
            inspector.GenerateButton(this, generation, "Generate Variables Container",
                () => VariablesContainer.GenerateElement("Variables Container", Guid.NewGuid(),
                    new List<string>(), true, null, new Dictionary<string, int>()));

            projectInformation.SetUpInspector();
            songInformation.SetUpInspector();
            EditorManager.instance.cameraManager.SetUpInspector();

            var oo = inspector.GenerateContainer("Grid");
            var p = oo.GenerateSubcontainer(3);
            var po = inspector.GenerateToggle(this, p, "Enable Grid");
            po.AddListenerFunction(() =>
            {
                EditorManager.instance.gridController.gameObject.SetActive(po.toggle.isOn);
            });
            var o = inspector.GenerateInputField(p, "Grid Size",
                (EditorManager.instance.gridController.baseGridSize * 10).ToString());
            o.AddListenerFunction(() =>
            {
                EditorManager.instance.gridController.baseGridSize = float.Parse(o.inputField.text) / 10;
            });
            inspector.GenerateToggle(this, p, "Show Coordinates",
                nameof(EditorManager.instance.gridController) + "." + nameof(EditorManager.instance.gridController.showCoordinates));
        }
        #endregion
    }
}