#if UNITY_EDITOR
using System;
using System.Diagnostics;
using System.IO;
using System.Net;
using AOT.Boot;
using UnityEditor;
using UnityEngine;

namespace AIGame.EditorTools
{
    /// <summary>仅在 Boot 配置为本机 AIServer 时，进入 Play Mode 前启动已有服务。</summary>
    [InitializeOnLoad]
    public static class LocalServerAutoStart
    {
        [Serializable] class Health { public bool ok; public string service; }

        static LocalServerAutoStart()
        {
            EditorApplication.playModeStateChanged += state =>
            {
                if (state != PlayModeStateChange.ExitingEditMode) return;
                var boot = UnityEngine.Object.FindObjectOfType<BootDriver>();
                if (boot == null) return;
                var settings = new SerializedObject(boot).FindProperty("settings");
                if (settings.FindPropertyRelative("HttpBase").stringValue.TrimEnd('/') != "http://127.0.0.1:8080") return;
                try { UnityEngine.Debug.Log("[LocalAIServer] " + StartLocal()); }
                catch (Exception e) { UnityEngine.Debug.LogWarning("[LocalAIServer] " + e.Message); }
            };
        }

        static bool IsHealthy()
        {
            try
            {
                var request = (HttpWebRequest)WebRequest.Create("http://127.0.0.1:8080/health");
                request.Timeout = 250; request.ReadWriteTimeout = 250; request.Proxy = null;
                using (var response = request.GetResponse())
                using (var reader = new StreamReader(response.GetResponseStream()))
                {
                    var health = JsonUtility.FromJson<Health>(reader.ReadToEnd());
                    return health != null && health.ok && health.service == "aiserver";
                }
            }
            catch { return false; }
        }

        [MenuItem("AIGame/Boot/Server/Start Local AIServer")]
        public static string StartLocal()
        {
            if (IsHealthy()) return "already healthy at 127.0.0.1:8080";
            string repo = Directory.GetParent(Application.dataPath).Parent.FullName;
            string exe = Path.Combine(repo, "AIServer/build/Release/aiserver.exe");
            if (!File.Exists(exe)) throw new FileNotFoundException("Build AIServer first: cmake --build AIServer/build --config Release", exe);
            var info = new ProcessStartInfo(exe)
            {
                Arguments = "--host 127.0.0.1 --port 8080 --daemon --db \"" + Path.Combine(repo, "AIServer/data/aiserver.db") + "\"",
                WorkingDirectory = Path.Combine(repo, "AIServer"),
                UseShellExecute = false, CreateNoWindow = true, WindowStyle = ProcessWindowStyle.Hidden
            };
            using (var process = Process.Start(info))
            {
                for (int i = 0; i < 15; i++)
                {
                    System.Threading.Thread.Sleep(100);
                    if (IsHealthy()) return "started at 127.0.0.1:8080";
                    if (process.HasExited) throw new Exception("Local AIServer exited; check port 8080 and the database path.");
                }
            }
            throw new Exception("Local AIServer did not become healthy; theme preview remains available without login.");
        }
    }
}
#endif