using System;
using UnityEngine;
#if UNITY_EDITOR
using UnityEditor;
using UnityEditor.Callbacks;
#endif
using System.IO;

#if UNITY_EDITOR && UNITY_IOS
using UnityEditor.iOS.Xcode;
#endif

public static class XCodePostProcess
{
#if UNITY_EDITOR && UNITY_IOS
    [PostProcessBuild(999)]
    public static void OnPostProcessBuild(BuildTarget target, string pathToBuiltProject)
    {
        if (target != BuildTarget.iOS)
        {
            Debug.LogWarning("Target is not iPhone. XCodePostProcess will not run");
            return;
        }

        Debug.Log("start modify xcode project");

        var projPath = PBXProject.GetPBXProjectPath(pathToBuiltProject);

        PBXProject proj = new PBXProject();
        proj.ReadFromString(File.ReadAllText(projPath));

        var frameworkTarget = proj.GetUnityFrameworkTargetGuid();
        var mainTargetGuid = proj.GetUnityMainTargetGuid();

        AddFrameworkSafe(proj, frameworkTarget, "libz.tbd");
        AddFrameworkSafe(proj, frameworkTarget, "Security.framework");
        AddFrameworkSafe(proj, frameworkTarget, "SystemConfiguration.framework");
        AddFrameworkSafe(proj, frameworkTarget, "MetricKit.framework");
        AddFrameworkSafe(proj, frameworkTarget, "AuthenticationServices.framework", true);

        AddFrameworkSafe(proj, frameworkTarget, "AdSupport.framework");
        AddFrameworkSafe(proj, frameworkTarget, "AppTrackingTransparency.framework", true);

        // AIHelper
#if SDK_AIHELPER
        AddBuildPropertySafe(proj, frameworkTarget, "OTHER_LDFLAGS", "-ObjC");
        AddBuildPropertySafe(proj, mainTargetGuid, "OTHER_LDFLAGS", "-ObjC");
        Debug.Log("AIHelper: Added -ObjC");
#endif

        // CrashSight
#if SDK_CRASHSIGHT
        SetBuildProperty(proj, mainTargetGuid, "GENERATE_DEBUG_SYMBOLS", "YES");
        SetBuildProperty(proj, mainTargetGuid, "DEBUG_INFORMATION_FORMAT", "dwarf-with-dsym");

        SetBuildProperty(proj, frameworkTarget, "GENERATE_DEBUG_SYMBOLS", "YES");
        SetBuildProperty(proj, frameworkTarget, "DEBUG_INFORMATION_FORMAT", "dwarf-with-dsym");

        Debug.Log("CrashSight: dSYM enabled");
#endif

        // ThingkingData
#if SDK_THINKINGDATA
        // 开启异常
        SetBuildProperty(proj, frameworkTarget, "GCC_ENABLE_OBJC_EXCEPTIONS", "YES");
        SetBuildProperty(proj, mainTargetGuid, "GCC_ENABLE_OBJC_EXCEPTIONS", "YES");

        SetBuildProperty(proj, frameworkTarget, "CLANG_ENABLE_OBJC_EXCEPTIONS", "YES");
        SetBuildProperty(proj, mainTargetGuid, "CLANG_ENABLE_OBJC_EXCEPTIONS", "YES");

        // sqlite
        AddFrameworkSafe(proj, frameworkTarget, "libsqlite3.tbd");
        AddFrameworkSafe(proj, mainTargetGuid, "libsqlite3.tbd");

        // -ObjC
        AddBuildPropertySafe(proj, frameworkTarget, "OTHER_LDFLAGS", "-ObjC");
        AddBuildPropertySafe(proj, mainTargetGuid, "OTHER_LDFLAGS", "-ObjC");

        // libc++
        AddFrameworkSafe(proj, frameworkTarget, "libc++.tbd");
        AddFrameworkSafe(proj, mainTargetGuid, "libc++.tbd");

        // 常见依赖
        AddFrameworkSafe(proj, frameworkTarget, "CoreTelephony.framework");
        AddFrameworkSafe(proj, frameworkTarget, "StoreKit.framework");

        Debug.Log("ThinkingData: Config applied");
#endif

#if USE_OBFUZ
        // Obfuscation build settings
        SetBuildProperty(proj, frameworkTarget, "ENABLE_TESTABILITY", "YES");
        SetBuildProperty(proj, mainTargetGuid, "ENABLE_TESTABILITY", "YES");

        SetBuildProperty(proj, frameworkTarget, "COPY_PHASE_STRIP", "NO");
        SetBuildProperty(proj, mainTargetGuid, "COPY_PHASE_STRIP", "NO");

        SetBuildProperty(proj, frameworkTarget, "STRIP_STYLE", "all");
        SetBuildProperty(proj, mainTargetGuid, "STRIP_STYLE", "all");

        Debug.Log("USE_OBFUZ: Build settings applied");
#endif

        AddCapability(proj, pathToBuiltProject);
        proj.WriteToFile(projPath);
        ModifyInfoPlist(pathToBuiltProject);
        Debug.Log("end modify xcode project");
    }

    /// <summary>
    /// 安全添加 Framework（防重复）
    /// </summary>
    /// <param name="proj"></param>
    /// <param name="target"></param>
    /// <param name="framework"></param>
    /// <param name="weak"></param>
    private static void AddFrameworkSafe(PBXProject proj, string target, string framework, bool weak = false)
    {
        proj.AddFrameworkToProject(target, framework, weak);
    }

    /// <summary>
    /// 安全添加 BuildProperty（防重复）
    /// </summary>
    /// <param name="proj"></param>
    /// <param name="target"></param>
    /// <param name="key"></param>
    /// <param name="value"></param>
    private static void AddBuildPropertySafe(PBXProject proj, string target, string key, string value)
    {
        var values = proj.GetBuildPropertyForAnyConfig(target, key);
        if (values == null || !values.Contains(value))
        {
            proj.AddBuildProperty(target, key, value);
        }
    }

    /// <summary>
    /// 设置BuildSetting参数
    /// </summary>
    /// <param name="proj"></param>
    /// <param name="target"></param>
    /// <param name="key"></param>
    /// <param name="value"></param>
    private static void SetBuildProperty(PBXProject proj, string target, string key, string value)
    {
        proj.SetBuildProperty(target, key, value);
    }
    
    private static void AddCapability(PBXProject project, string pathToBuiltProject)
    {
        var target = project.GetUnityMainTargetGuid();
        string relativePath = "Unity-iPhone/Unity-iPhone.entitlements";
        string fullPath = Path.Combine(pathToBuiltProject, relativePath);
        project.AddCapability(target, PBXCapabilityType.SignInWithApple, relativePath, true);
        PlistDocument entitlementDoc = new PlistDocument();
        if (File.Exists(fullPath)) {
            entitlementDoc.ReadFromFile(fullPath);
        } else {
            entitlementDoc.Create();
        }
        const string signKey = "com.apple.developer.applesignin";
        if (entitlementDoc.root[signKey] == null) {
            PlistElementArray array = entitlementDoc.root.CreateArray(signKey);
            array.AddString("Default");
        }

        entitlementDoc.WriteToFile(fullPath);
    }


    /// <summary>
    /// 修改 Info.plist
    /// </summary>
    /// <param name="pathToBuiltProject"></param>
    private static void ModifyInfoPlist(string pathToBuiltProject)
    {
        string plistPath = pathToBuiltProject + "/Info.plist";

        if (!File.Exists(plistPath))
        {
            Debug.LogError("找不到 Info.plist 文件");
            return;
        }

        PlistDocument plist = new PlistDocument();
        plist.ReadFromString(File.ReadAllText(plistPath));

        var root = plist.root;

        // IDFA
        root.SetString(
            "NSUserTrackingUsageDescription",
            "同意我们获取设备标识，将有助于我们数据分析，以更好地优化游戏体验"
        );

        // 相册权限 否则 ITMS-90683
        root.SetString(
            "NSPhotoLibraryUsageDescription",
            "用于选择图片、上传头像或分享内容"
        );

        // 写入相册权限 和上面搭配食用
        root.SetString(
            "NSPhotoLibraryAddUsageDescription",
            "用于将图片保存到相册"
        );

        File.WriteAllText(plistPath, plist.WriteToString());
    }
#endif
}