using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Ichni;
using UnityEditor;
using UnityEngine;

/// <summary>
/// AssetBundle 打包工具
/// </summary>
public class BuildAssetBundle
{
    private static string BuildPrepare()
    {
        // 打包AB输出路径
        string strABOutPAthDir = string.Empty;

        // 获取“StreamingAssets”文件夹路径（不一定这个文件夹，可自定义）
        strABOutPAthDir = Application.streamingAssetsPath + "/ThemeBundles";

        // 判断文件夹是否存在，不存在则新建
        if (Directory.Exists(strABOutPAthDir) == false)
        {
            Directory.CreateDirectory(strABOutPAthDir);
        }
        
        return strABOutPAthDir;
    }
    
    private static void GenerateAbstracts(AssetBundleManifest manifest)
    {
        List<string> themeBundles = manifest.GetAllAssetBundles().ToList();
        foreach (string bundle in themeBundles)
        {
            string uriAbs = Application.streamingAssetsPath + "/ThemeBundles/" + bundle + ".abs";
            Debug.Log(uriAbs);
            if (!ES3.FileExists(uriAbs))
            {
                ThemeBundleAbstract abs = new ThemeBundleAbstract(bundle);
                ES3.Save("ThemeBundleAbstract", abs, uriAbs);
            }
        }
    }
    
    [MenuItem("AssetBundleTools/BuildToWindows64")]
    public static void BuildToWindows64()
    {
        string uri = BuildPrepare() + "/Windows64";
        AssetBundleManifest manifestWin64 = BuildPipeline.BuildAssetBundles(uri, BuildAssetBundleOptions.None, BuildTarget.StandaloneWindows64);
        GenerateAbstracts(manifestWin64);
    }
    
    [MenuItem("AssetBundleTools/BuildToOSX")]
    public static void BuildToOSX()
    {
        string uri = BuildPrepare() + "/OSX";
        AssetBundleManifest manifestOSX = BuildPipeline.BuildAssetBundles(uri, BuildAssetBundleOptions.None, BuildTarget.StandaloneOSX);
        GenerateAbstracts(manifestOSX);
    }
    
    [MenuItem("AssetBundleTools/BuildToAndroid")]
    public static void BuildToAndroid()
    {
        string uri = BuildPrepare() + "/Android";
        AssetBundleManifest manifestAndroid = BuildPipeline.BuildAssetBundles(uri, BuildAssetBundleOptions.None, BuildTarget.Android);
        GenerateAbstracts(manifestAndroid);
    }
    
    [MenuItem("AssetBundleTools/BuildToIOS")]
    public static void BuildToIOS()
    {
        string uri = BuildPrepare() + "/IOS";
        AssetBundleManifest manifestIOS = BuildPipeline.BuildAssetBundles(uri, BuildAssetBundleOptions.None, BuildTarget.iOS);
        GenerateAbstracts(manifestIOS);
    }
}