#if UNITY_IOS
using UnityEditor;
using UnityEditor.Callbacks;
using System.IO;
using System.Diagnostics;

public class FirebaseIosPodfilePostProcessor
{
    [PostProcessBuild(100)] // 优先级设为 100，在其他后处理之后执行
    public static void OnPostProcessBuild(BuildTarget target, string pathToBuiltProject)
    {
        if (target != BuildTarget.iOS) return;

        string podfilePath = Path.Combine(pathToBuiltProject, "Podfile");

        // 生成 Podfile
        string podfileContent = @"source 'https://cdn.cocoapods.org/'

platform :ios, '15.0'

target 'UnityFramework' do
  pod 'Firebase/Core', '12.4.0'
  pod 'Firebase/Auth', '12.4.0'
  pod 'Firebase/Database', '12.4.0'
  pod 'Firebase/Messaging', '12.4.0'
end
target 'Unity-iPhone' do
end
use_frameworks! :linkage => :static
";

        File.WriteAllText(podfilePath, podfileContent);
        UnityEngine.Debug.Log("[FirebaseIosPostProcessor] Podfile 已生成: " + podfilePath);

        // 尝试自动运行 pod install
        TryRunPodInstall(pathToBuiltProject);
    }

    private static void TryRunPodInstall(string projectPath)
    {
        try
        {
            ProcessStartInfo startInfo = new ProcessStartInfo
            {
                FileName = "pod",
                Arguments = "install",
                WorkingDirectory = projectPath,
                UseShellExecute = false,
                RedirectStandardOutput = true,
                RedirectStandardError = true,
                CreateNoWindow = true
            };

            using (Process process = Process.Start(startInfo))
            {
                string stdout = process.StandardOutput.ReadToEnd();
                string stderr = process.StandardError.ReadToEnd();
                process.WaitForExit();

                if (process.ExitCode == 0)
                {
                    UnityEngine.Debug.Log("[FirebaseIosPostProcessor] pod install 成功");
                }
                else
                {
                    UnityEngine.Debug.LogWarning("[FirebaseIosPostProcessor] pod install 失败:\n" + stderr);
                    UnityEngine.Debug.LogWarning("[FirebaseIosPostProcessor] 请手动在 " + projectPath + " 目录下执行 pod install");
                }
            }
        }
        catch (System.Exception e)
        {
            UnityEngine.Debug.LogWarning("[FirebaseIosPostProcessor] 未找到 CocoaPods，请手动执行:\n" +
                "  1. 安装 CocoaPods: sudo gem install cocoapods\n" +
                "  2. cd " + projectPath + "\n" +
                "  3. pod install\n" +
                "  错误: " + e.Message);
        }
    }
}
#endif