using System;
using System.Linq;
using UnityEditor;
using UnityEngine;

namespace Stary.Evo.Editor
{
    public class ChangePlayerSchema
    {
        public static PLayerMode PLayerMode
        {
            get => _pLayerMode;
            set => SetPlayerMode(value);
        }

        private static PLayerMode _pLayerMode;

        // 主模式菜单路径
        private const string EditorSimulateMode = "Evo/Schema/ChangePlayer/EditorSimulateMode(编辑器调试模式)";
        private const string HostPlayMode = "Evo/Schema/ChangePlayer/HostPlayMode(联机运行模式)";
        private const string LocalPlayMode = "Evo/Schema/ChangePlayer/LocalPlayMode(本地运行模式)";
        private const string WebPlayMode = "Evo/Schema/ChangePlayer/WebPlayMode(Web运行模式)";
        
        // Web 子模式菜单路径（作为 WebPlayMode 的子菜单）
        private const string WebNormalSubMode = "Evo/Schema/ChangePlayer/WebPlayMode(Web运行模式)/WebGL 普通模式";
        private const string WechatMiniSubMode = "Evo/Schema/ChangePlayer/WebPlayMode(Web运行模式)/微信小程序模式";

        #region 主模式菜单

        [MenuItem(EditorSimulateMode, false, 3)]
        private static void SetEditorMode() => SetPlayerMode(PLayerMode.EDITOR_SIMULATEMODE);
        
        [MenuItem(HostPlayMode, false, 3)]
        private static void SetHostMode() => SetPlayerMode(PLayerMode.HOST_PLAYMODE);
        
        [MenuItem(LocalPlayMode, false, 3)]
        private static void SetLocalMode() => SetPlayerMode(PLayerMode.LOCAL_PLAYMODE);

    

        #endregion

        #region Web 子模式菜单

        [MenuItem(WebNormalSubMode, false, 4)]
        private static void SetWebNormalMode() => SetWebSubMode(WebSubMode.WEB_NORMAL);
        
        [MenuItem(WechatMiniSubMode, false, 4)]
        private static void SetWechatMiniMode() => SetWebSubMode(WebSubMode.WECHAT_MINIGAME);

        #endregion

        #region 菜单验证

        [MenuItem(EditorSimulateMode, true, 3)]
        [MenuItem(HostPlayMode, true, 3)]
        [MenuItem(LocalPlayMode, true, 3)]
        private static bool ValidateMainModeMenu()
        {
            string platform = CustomEditorPrefs.GetString("ChangePlayerSchema");
            Menu.SetChecked(EditorSimulateMode, platform == PLayerMode.EDITOR_SIMULATEMODE.ToString());
            Menu.SetChecked(HostPlayMode, platform == PLayerMode.HOST_PLAYMODE.ToString());
            Menu.SetChecked(LocalPlayMode, platform == PLayerMode.LOCAL_PLAYMODE.ToString());
            return true;
        }

        [MenuItem(WebNormalSubMode, false)]
        private static bool ValidateWebNormalMenu()
        {
            // 只在 WebPlayMode 下启用子菜单
            bool isWebMode = _pLayerMode == PLayerMode.WEB_PLAYMODE;
            string subMode = CustomEditorPrefs.GetString("WebSubMode", WebSubMode.WEB_NORMAL.ToString());
            Menu.SetChecked(WebNormalSubMode, subMode == WebSubMode.WEB_NORMAL.ToString());
            return isWebMode;
        }

        [MenuItem(WechatMiniSubMode, false)]
        private static bool ValidateWechatMiniMenu()
        {
            bool isWebMode = _pLayerMode == PLayerMode.WEB_PLAYMODE;
            string subMode = CustomEditorPrefs.GetString("WebSubMode", WebSubMode.WEB_NORMAL.ToString());
            Menu.SetChecked(WechatMiniSubMode, subMode == WebSubMode.WECHAT_MINIGAME.ToString());
            return isWebMode;
        }

        #endregion

        public static void SetPlayerMode(PLayerMode mode)
        {
            var currentTarget = EditorUserBuildSettings.selectedBuildTargetGroup;
            if (currentTarget == BuildTargetGroup.Unknown) return;

            // 获取当前宏定义并清理所有相关的模式定义（包括主模式和子模式）
            var defines = PlayerSettings.GetScriptingDefineSymbolsForGroup(currentTarget)
                .Split(';')
                .Where(d => !string.IsNullOrEmpty(d))
                .Where(d => !Enum.GetNames(typeof(PLayerMode)).Contains(d))
                .Where(d => !Enum.GetNames(typeof(WebSubMode)).Contains(d))
                .ToList();

            // 添加新模式
            defines.Add(mode.ToString());
            
            _pLayerMode = mode;
            CustomEditorPrefs.SetString("ChangePlayerSchema", _pLayerMode.ToString());

            // 如果切换到 Web 模式，恢复之前保存的子模式或默认使用普通模式
            if (mode == PLayerMode.WEB_PLAYMODE)
            {
                string savedSubMode = CustomEditorPrefs.GetString("WebSubMode", WebSubMode.WEB_NORMAL.ToString());
                defines.Add(savedSubMode);
            }

            ApplyDefines(defines);
            Debug.Log($"[ChangePlayerSchema] 切换至主模式: {mode}");
        }

        public static void SetWebSubMode(WebSubMode subMode)
        {
            if (_pLayerMode != PLayerMode.WEB_PLAYMODE)
            {
                Debug.LogWarning("[ChangePlayerSchema] 请先切换到 WebPlayMode 再设置子模式");
                return;
            }

            var currentTarget = EditorUserBuildSettings.selectedBuildTargetGroup;
            
            // 清理现有子模式宏，保留其他所有宏
            var defines = PlayerSettings.GetScriptingDefineSymbolsForGroup(currentTarget)
                .Split(';')
                .Where(d => !string.IsNullOrEmpty(d))
                .Where(d => !Enum.GetNames(typeof(WebSubMode)).Contains(d))
                .ToList();

            // 添加新的子模式宏
            defines.Add(subMode.ToString());
            CustomEditorPrefs.SetString("WebSubMode", subMode.ToString());

            ApplyDefines(defines);
            Debug.Log($"[ChangePlayerSchema] Web 子模式切换至: {subMode}");
        }

        private static void ApplyDefines(System.Collections.Generic.List<string> defines)
        {
            var currentTarget = EditorUserBuildSettings.selectedBuildTargetGroup;
            PlayerSettings.SetScriptingDefineSymbolsForGroup(currentTarget, string.Join(";", defines));
            
            AssetDatabase.Refresh();
            EditorApplication.delayCall += () =>
            {
                UnityEditor.Compilation.CompilationPipeline.RequestScriptCompilation();
                Debug.Log($"[ChangePlayerSchema] 当前编译符号: {string.Join(";", defines)}");
            };
        }

        // 初始化时恢复上次保存的模式（可在 Editor 初始化时调用）
        [InitializeOnLoadMethod]
        private static void RestoreMode()
        {
            string savedMode = CustomEditorPrefs.GetString("ChangePlayerSchema", PLayerMode.EDITOR_SIMULATEMODE.ToString());
            if (Enum.TryParse<PLayerMode>(savedMode, out var mode))
            {
                _pLayerMode = mode;
            }
        }
    }

    // 主模式枚举
    public enum PLayerMode
    {
        EDITOR_SIMULATEMODE,  // 编辑器调试模式
        HOST_PLAYMODE,        // 联机运行模式
        LOCAL_PLAYMODE,       // 本地运行模式
        WEB_PLAYMODE          // Web 运行模式（包含子模式）
    }

    // Web 子模式枚举
    public enum WebSubMode
    {
        WEB_NORMAL,           // WebGL 普通模式
        WECHAT_MINIGAME       // 微信小程序模式
    }
}