using UnityEditor;
using UnityEditor.Callbacks;
#if UNITY_IOS
using UnityEditor.iOS.Xcode;
#endif
using System.IO;
using System.Text.RegularExpressions;
using UnityEngine;

public class iOSFixDuplicateShellScript
{
    #if UNITY_IOS
    [PostProcessBuild(999)]
    public static void OnPostProcessBuild(BuildTarget target, string pathToBuiltProject)
    {
        if (target != BuildTarget.iOS) return;

        FixDuplicateShellScript(pathToBuiltProject);
        FixPodfile(pathToBuiltProject);
        AddNetworkExtensionFramework(pathToBuiltProject);
    }

    private static void FixDuplicateShellScript(string pathToBuiltProject)
    {
        string projPath = Path.Combine(pathToBuiltProject, "Unity-iPhone.xcodeproj/project.pbxproj");
        if (!File.Exists(projPath))
        {
            Debug.LogWarning("[PostProcess] pbxproj not found: " + projPath);
            return;
        }

        string content = File.ReadAllText(projPath);

        // 1. 移除连续重复的 ShellScript 行
        string pattern1 = @"\t+[A-F0-9]+ /\* ShellScript \*/,(\r?\n\t+[A-F0-9]+ /\* ShellScript \*,)+";
        content = Regex.Replace(content, pattern1, m =>
        {
            Debug.Log($"[PostProcess] 移除连续重复 ShellScript 行: {m.Value.TrimEnd().Length} chars");
            return m.Groups[0].Value.Split('\n')[0]; // 只保留第一行
        });

        // 2. 移除整个文件中非连续的重复 ShellScript（按 ID 去重）
        var lines = content.Split('\n');
        var seenShellScriptIds = new System.Collections.Generic.HashSet<string>();
        var outputLines = new System.Collections.Generic.List<string>();
        int removedCount = 0;

        foreach (string line in lines)
        {
            var match = Regex.Match(line, @"^\t+([A-F0-9]+) /\* ShellScript \*/,?$");
            if (match.Success)
            {
                string id = match.Groups[1].Value;
                if (!seenShellScriptIds.Add(id))
                {
                    removedCount++;
                    continue; // 跳过重复
                }
            }
            outputLines.Add(line);
        }

        if (removedCount > 0)
        {
            content = string.Join("\n", outputLines);
            Debug.Log($"[PostProcess] 按 ID 去重移除了 {removedCount} 个 ShellScript 条目");
        }

        // 3. 修复光子矩阵 app 大小写
        content = content.Replace("photonmatrix.app", "PhotonMatrix.app");

        File.WriteAllText(projPath, content);
    }

    private static void FixPodfile(string pathToBuiltProject)
    {
        string podfilePath = Path.Combine(pathToBuiltProject, "Podfile");
        if (!File.Exists(podfilePath))
        {
            Debug.LogWarning("[PostProcess] Podfile not found");
            return;
        }

        string content = File.ReadAllText(podfilePath);
        bool modified = false;

        if (content.Contains("Firebase/Analytics"))
        {
            content = Regex.Replace(content, @"\s*pod\s+'Firebase/Analytics'[^\n]*\n?", "\n");
            modified = true;
        }

        if (content.Contains("12.4.0"))
        {
            content = content.Replace("12.4.0", "12.14.0");
            modified = true;
        }

        if (modified)
        {
            File.WriteAllText(podfilePath, content);
            Debug.Log("[PostProcess] Cleaned up Podfile");
        }
    }

    private static void AddNetworkExtensionFramework(string pathToBuiltProject)
    {
        string projPath = PBXProject.GetPBXProjectPath(pathToBuiltProject);
        PBXProject proj = new PBXProject();
        proj.ReadFromString(File.ReadAllText(projPath));

        string unityFrameworkGuid = proj.GetUnityFrameworkTargetGuid();
        proj.AddFrameworkToProject(unityFrameworkGuid, "NetworkExtension.framework", false);
        File.WriteAllText(projPath, proj.WriteToString());
        Debug.Log("[PostProcess] Added NetworkExtension.framework");
    }
    #endif
}