using UnityEditor;
using UnityEngine;
using System.Diagnostics;
using System.IO;
using System.Text;

namespace Editor
{
    public static class GitPullEditor
    {
        static bool isRunning = false;

        // 菜单项
        [MenuItem("Tools/Git/拉取最新版本", false, 100)]
        public static void PullLatest()
        {
            if (isRunning)
            {
                EditorUtility.DisplayDialog("Git 拉取", "正在拉取中，请稍候...", "确定");
                return;
            }

            isRunning = true;
            var projectRoot = Directory.GetParent(Application.dataPath).FullName;

            var psi = new ProcessStartInfo
            {
                FileName = "git",
                Arguments = "pull",
                WorkingDirectory = projectRoot,
                RedirectStandardOutput = true,
                RedirectStandardError = true,
                UseShellExecute = false,
                CreateNoWindow = true,
                StandardOutputEncoding = Encoding.UTF8,
                StandardErrorEncoding = Encoding.UTF8
            };

            var proc = new Process { StartInfo = psi, EnableRaisingEvents = true };
            var output = new StringBuilder();

            proc.OutputDataReceived += (s, e) =>
            {
                if (!string.IsNullOrEmpty(e.Data))
                {
                    output.AppendLine(e.Data);
                    UnityEngine.Debug.Log("[git] " + e.Data);
                }
            };

            proc.ErrorDataReceived += (s, e) =>
            {
                if (!string.IsNullOrEmpty(e.Data))
                {
                    output.AppendLine(e.Data);
                    UnityEngine.Debug.LogError("[git] " + e.Data);
                }
            };

            try
            {
                proc.Start();
                proc.BeginOutputReadLine();
                proc.BeginErrorReadLine();
                // 等待完成（超时 10 分钟）
                proc.WaitForExit(600000);
                isRunning = false;

                if (proc.ExitCode == 0)
                {
                    EditorUtility.DisplayDialog("Git 拉取", "拉取完成。请查看控制台获取详细信息。", "确定");
                }
                else
                {
                    EditorUtility.DisplayDialog("Git 拉取失败", $"ExitCode: {proc.ExitCode}\n请查看控制台输出。", "确定");
                }
            }
            catch (System.Exception ex)
            {
                isRunning = false;
                UnityEngine.Debug.LogException(ex);
                EditorUtility.DisplayDialog("Git 拉取异常", ex.Message, "确定");
            }
        }

        // 菜单验证，拉取中禁用该菜单项
        [MenuItem("Tools/Git/拉取最新版本", true)]
        public static bool ValidatePullLatest()
        {
            return !isRunning;
        }
    }
}