#if UNITY_EDITOR
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using UnityEditor;
using UnityEngine;

namespace XGame.Editor
{
    // publish.json 视图（JsonUtility：C# 字段名须与 json 键一致，故小写开头）
    [Serializable]
    public sealed class MiniGamePublishSpec
    {
        public string gameId;
        public string serverSrcDir;       // 相对 Server/games-src/
        public string serverProject;      // 相对 serverSrcDir
        public string serverAssembly;
        public string serverEntryType;
        public string clientProject;      // 相对仓库根
        public string coreDll;
        public string clientDll;
        public string clientEntryType;
        public int minFrameworkVersion = 1;
        public int playerCount = 2;
        public int tickRateHz = 10;
    }

    public static class MiniGamePublishMenu
    {
        [MenuItem("XWorld/生成小游戏更新", false, 802)]
        public static void Open() => MiniGamePublishWindow.Open();
    }

    public sealed class MiniGamePublishWindow : EditorWindow
    {
        private string[] _gameDirs = Array.Empty<string>();
        private string[] _gameNames = Array.Empty<string>();
        private int _selected;
        private int _version = 1;
        private bool _pc, _android, _ios, _webgl;
        private Vector2 _scroll;

        public static void Open()
        {
            var w = GetWindow<MiniGamePublishWindow>("生成小游戏更新");
            w.minSize = new Vector2(360, 320);
            w.RefreshGames();
            w.Show();
        }

        private void RefreshGames()
        {
            string root = Path.Combine(Application.dataPath, "MiniGames");
            _gameDirs = Directory.Exists(root)
                ? Directory.GetDirectories(root).Where(d => File.Exists(Path.Combine(d, "publish.json"))).ToArray()
                : Array.Empty<string>();
            _gameNames = _gameDirs.Select(Path.GetFileName).ToArray();
            _selected = Mathf.Clamp(_selected, 0, Mathf.Max(0, _gameDirs.Length - 1));

            // 默认平台 = 当前激活 BuildTarget
            _pc = _android = _ios = _webgl = false;
            switch (EditorUserBuildSettings.activeBuildTarget)
            {
                case BuildTarget.Android: _android = true; break;
                case BuildTarget.iOS: _ios = true; break;
                case BuildTarget.WebGL: _webgl = true; break;
                default: _pc = true; break;
            }
            RefreshDefaultVersion();
        }

        private void RefreshDefaultVersion()
        {
            if (_gameDirs.Length == 0) return;
            var spec = LoadSpec(_gameDirs[_selected]);
            _version = (spec == null || string.IsNullOrEmpty(spec.gameId))
                ? 1 : MiniGamePublishPipeline.NextVersion(spec.gameId);
        }

        private static MiniGamePublishSpec LoadSpec(string gameDir)
        {
            try { return JsonUtility.FromJson<MiniGamePublishSpec>(File.ReadAllText(Path.Combine(gameDir, "publish.json"))); }
            catch (Exception e) { Debug.LogError("[MiniGamePublish] publish.json 解析失败: " + e.Message); return null; }
        }

        private void OnGUI()
        {
            if (_gameDirs.Length == 0)
            {
                EditorGUILayout.HelpBox("Assets/MiniGames 下没有含 publish.json 的小游戏目录。", MessageType.Warning);
                if (GUILayout.Button("刷新")) RefreshGames();
                return;
            }

            _scroll = EditorGUILayout.BeginScrollView(_scroll);
            EditorGUILayout.LabelField("小游戏", EditorStyles.boldLabel);
            int sel = GUILayout.SelectionGrid(_selected, _gameNames, 1, EditorStyles.radioButton);
            if (sel != _selected) { _selected = sel; RefreshDefaultVersion(); }

            EditorGUILayout.Space();
            _version = Mathf.Max(1, EditorGUILayout.IntField("版本号", _version));

            EditorGUILayout.Space();
            EditorGUILayout.LabelField("平台（AB 按平台构建）", EditorStyles.boldLabel);
            _pc = EditorGUILayout.ToggleLeft("PC (StandaloneWindows64)", _pc);
            _android = EditorGUILayout.ToggleLeft("Android", _android);
            _ios = EditorGUILayout.ToggleLeft("iOS", _ios);
            _webgl = EditorGUILayout.ToggleLeft("WebGL", _webgl);
            EditorGUILayout.EndScrollView();

            EditorGUILayout.Space();
            using (new EditorGUI.DisabledScope(!(_pc || _android || _ios || _webgl)))
            {
                if (GUILayout.Button("生成", GUILayout.Height(32)))
                {
                    var spec = LoadSpec(_gameDirs[_selected]);
                    if (spec == null || string.IsNullOrEmpty(spec.gameId))
                    {
                        EditorUtility.DisplayDialog("生成小游戏更新", "publish.json 无效（缺 gameId）", "OK");
                    }
                    else
                    {
                        var targets = new List<MiniGamePublishPipeline.PlatformChoice>();
                        if (_pc) targets.Add(new MiniGamePublishPipeline.PlatformChoice("pc", BuildTarget.StandaloneWindows64));
                        if (_android) targets.Add(new MiniGamePublishPipeline.PlatformChoice("android", BuildTarget.Android));
                        if (_ios) targets.Add(new MiniGamePublishPipeline.PlatformChoice("ios", BuildTarget.iOS));
                        if (_webgl) targets.Add(new MiniGamePublishPipeline.PlatformChoice("webgl", BuildTarget.WebGL));
                        MiniGamePublishPipeline.Run(spec, _gameDirs[_selected], _version, targets);
                    }
                }
            }
        }
    }
}
#endif