using UnityEngine;
using UnityEditor;
using UnityEditor.Callbacks;
using UnityEditor.iOS.Xcode;
using System.IO;
using System.Collections.Generic;

public class PostBuildProcess : MonoBehaviour
{
    internal static void CopyAndReplaceDirectory(string srcPath, string dstPath)
    {
        if (Directory.Exists(dstPath))
            Directory.Delete(dstPath);
        if (File.Exists(dstPath))
            File.Delete(dstPath);

        Directory.CreateDirectory(dstPath);

        foreach (var file in Directory.GetFiles(srcPath))
            File.Copy(file, Path.Combine(dstPath, Path.GetFileName(file)));

        foreach (var dir in Directory.GetDirectories(srcPath))
            CopyAndReplaceDirectory(dir, Path.Combine(dstPath, Path.GetFileName(dir)));
    }

    [PostProcessBuild]
    public static void OnPostprocessBuild(BuildTarget buildTarget, string path)
    {
        if (buildTarget == BuildTarget.iPhone) {
            BuildForiOS(path);
        }
    }

    private static void BuildForiOS(string path)
    {
        string projPath = path + "/Unity-iPhone.xcodeproj/project.pbxproj";
        Debug.Log("Build iOS. path: " + projPath);

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

        string target = proj.TargetGuidByName("Unity-iPhone");

        List<string> frameworks = new List<string>();
        frameworks.Add("GoogleOpenSource.framework");
        frameworks.Add("GooglePlus.bundle");
        frameworks.Add("GooglePlus.framework");

        foreach (string framework in frameworks) {
            CopyAndReplaceDirectory("Frameworks/google-plus-ios-sdk-1.7.1/" + framework, Path.Combine(path, "Frameworks/" + framework));
            string name = proj.AddFile("Frameworks/" + framework, "Frameworks/" + framework, PBXSourceTree.Source);
            Debug.Log("Add File: " + framework);
            proj.AddFileToBuild(target, name);
        }

        frameworks.Clear();
        frameworks.Add("gpg.bundle");
        frameworks.Add("gpg.framework");

        foreach (string framework in frameworks) {
            CopyAndReplaceDirectory("Frameworks/gpg-cpp-sdk/ios/" + framework, Path.Combine(path, "Frameworks/" + framework));
            string name = proj.AddFile("Frameworks/" + framework, "Frameworks/" + framework, PBXSourceTree.Source);
            Debug.Log("Add File: " + framework);
            proj.AddFileToBuild(target, name);
        }

        proj.AddFrameworkToProject(target, "AddressBook.framework", false);
        proj.AddFrameworkToProject(target, "AssetsLibrary.framework", false);
        proj.AddFrameworkToProject(target, "CoreData.framework", false);
        proj.AddFrameworkToProject(target, "CoreTelephony.framework", false);
        proj.AddFrameworkToProject(target, "CoreText.framework", false);
        proj.AddFrameworkToProject(target, "Security.framework", false);
        proj.AddFrameworkToProject(target, "WebKit.framework", false);
        proj.AddFrameworkToProject(target, "ImageIO.framework", false);
        proj.AddFrameworkToProject(target, "EventKit.framework", false);
        proj.AddFrameworkToProject(target, "EventKitUI.framework", false);
        proj.AddFrameworkToProject (target, "AdSupport.framework", false);
        proj.AddFrameworkToProject (target, "AudioToolbox.framework", false);
        proj.AddFrameworkToProject (target, "AVFoundation.framework", false);
        proj.AddFrameworkToProject (target, "CoreGraphics.framework", false);
        proj.AddFrameworkToProject (target, "EventKit.framework", false);
        proj.AddFrameworkToProject (target, "EventKitUI.framework", false);
        proj.AddFrameworkToProject (target, "MessageUI.framework", false);
        proj.AddFrameworkToProject (target, "StoreKit.framework", false);
        proj.AddFrameworkToProject (target, "SystemConfiguration.framework", false);

        CopyAndReplaceDirectory("Frameworks/GoogleMobileAdsSdkiOS-7.1.0/GoogleMobileAds.framework", Path.Combine(path, "Frameworks/GoogleMobileAds.framework"));
        proj.AddFileToBuild(target, proj.AddFile("Frameworks/GoogleMobileAds.framework", "Frameworks/GoogleMobileAds.framework", PBXSourceTree.Source));

        proj.SetBuildProperty(target, "FRAMEWORK_SEARCH_PATHS", "$(inherited)");
        proj.AddBuildProperty(target, "FRAMEWORK_SEARCH_PATHS", "$(PROJECT_DIR)/Libraries");

        AddUsrLib(proj, target, "libc++.dylib");
        AddUsrLib(proj, target, "libz.dylib");

        proj.SetBuildProperty(target, "FRAMEWORK_SEARCH_PATHS", "$(SRCROOT)/Frameworks");
        proj.AddBuildProperty(target, "FRAMEWORK_SEARCH_PATHS", "$(inherited)");

        proj.AddBuildProperty(target, "OTHER_LDFLAGS", "-ObjC");

        File.WriteAllText(projPath, proj.WriteToString());
    }

    private static void AddUsrLib(PBXProject proj, string targetGuid, string framework)
    {
        string fileGuid = proj.AddFile("usr/lib/"+framework, "Frameworks/"+framework, PBXSourceTree.Sdk);
        proj.AddFileToBuild(targetGuid, fileGuid);
    }
}