#if UNITY_ANDROID
using System;
using System.IO;
using System.Linq;
using UnityEditor;
using UnityEditor.Android;
using UnityEditor.Callbacks;
using UnityEngine;
using Azerion.BlueStack.Editor.Android.Gradle;

namespace Azerion.BlueStack.Editor.Android
{
    public class AndroidBuildPostProcess
    {
        private static readonly string AndroidFolder = "Assets/Plugins/Android/";

        [PostProcessBuild]
        public static void OnPostprocessBuild(BuildTarget target, string pathToBuildProject)
        {
            if (target == BuildTarget.Android)
            {
                Debug.Log("Starting verification step for Android BlueStackAds");

                VerifyBlueStackAdsDependencies();

                Debug.Log("Verification step for Android BlueStackAds completed");
            }
        }

        private static void VerifyBlueStackAdsDependencies()
        {
            try
            {
                CheckInMainTemplateGradle();
            }
            catch (Exception e)
            {
                NotifyBuildFailure(e.Message);
            }
        }

        private static void CheckInMainTemplateGradle()
        {
            var mainTemplateFilePath = AndroidFolder + "mainTemplate.gradle";
            if (!File.Exists(mainTemplateFilePath))
            {
                NotifyBuildFailure(
                    "mainTemplate.gradle file is missing. Please Add `mainTemplate.gradle`  via `Project Settings->Player->Android Settings->Publish Settings`. Resolved dependencies via 'Assets > External Dependency Manager > Android Resolver > Resolve/Force Resolve'  or For manual you can use the sample 'Packages/Editor/Android/Gradle/mainTemplate.gradle' file included with the BlueStack dependencies");
            }

            var result = GradleConfigUtils.CheckSDKGradleDependencies(gradleFilePath: mainTemplateFilePath);
            if (result.HasMissingDependency)
            {
                NotifyBuildFailure(result.ErrorMessage +
                                   " Resolved dependencies via 'Assets > External Dependency Manager > Android Resolver > Force Resolve'  or For manual you can use the sample 'Packages/Editor/Android/Gradle/mainTemplate.gradle' file included with the BlueStack dependencies ");
            }
        }

        private static void NotifyBuildFailure(string message)
        {
            const string prefix = "[BlueStack] ";

#if UNITY_2017_1_OR_NEWER
            throw new BuildPlayerWindow.BuildMethodException(prefix + message);
#else
        throw new OperationCanceledException(prefix + message);
#endif
        }
    }

    public class AndroidGradleProperties : IPostGenerateGradleAndroidProject
    {
        public int callbackOrder
        {
            get { return 999; }
        }

        public void OnPostGenerateGradleAndroidProject(string path)
        {
            updateManifestFile(path);

            string gradlePropertiesFile = "";
            if (path.Contains("/"))
            {
                gradlePropertiesFile = path.Replace(@"/unityLibrary", @"") + "/gradle.properties";
            }
            else if (path.Contains("\\"))
            {
                gradlePropertiesFile = path.Replace(@"\unityLibrary", @"") + @"\gradle.properties";
            }

            Debug.Log("Gradle properties file path: " + gradlePropertiesFile);
            string gradlePropertiesFileContent = "";
            if (File.Exists(gradlePropertiesFile))
            {
                gradlePropertiesFileContent = File.ReadAllText(gradlePropertiesFile);
                File.Delete(gradlePropertiesFile);
            }

            Debug.Log("Gradle properties content before: " + gradlePropertiesFileContent);
            gradlePropertiesFileContent = GradleConfigUtils.AddAndroidXProperties(gradlePropertiesFileContent);
            StreamWriter writer = File.CreateText(gradlePropertiesFile);
            Debug.Log("Gradle properties content after: " + gradlePropertiesFileContent);
            writer.WriteLine(gradlePropertiesFileContent);
            writer.Flush();
            writer.Close();
        }

        private void updateManifestFile(string path)
        {
            string manifestFile = "";
            if (path.Contains("/"))
            {
                manifestFile = path + @"/src/main/AndroidManifest.xml";
            }
            else if (path.Contains("\\"))
            {
                manifestFile = path + @"\src\main\AndroidManifest.xml";
            }

            ManifestProcessor.Instance.process(manifestFile);
        }
    }
}

#endif