package xn.update;

import android.annotation.SuppressLint;
import android.app.DownloadManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Environment;
import android.util.Log;

import com.blankj.utilcode.util.AppUtils;
import com.blankj.utilcode.util.FileUtils;
import com.blankj.utilcode.util.GsonUtils;
import com.blankj.utilcode.util.LogUtils;
import com.blankj.utilcode.util.SPUtils;
import com.blankj.utilcode.util.ThreadUtils;

import org.json.JSONException;

import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;

import okhttp3.Response;
import xn.update.constant.AppConstant;
import xn.update.http.HttpTool;
import xn.update.http.bean.response.UpdateTask;

public enum UpdateTool {
    INSTANCE;

    private UpdateTask.Task task;
    @SuppressLint("SdCardPath")
    private final String apkPath = "/sdcard/Download/apk/";
    private final String apkName = "app.apk";
    private DownloadManager downloadManager;
    private long downloadId;
    private long lastRunTime;

    private final AtomicBoolean isUploading = new AtomicBoolean(false);

    public void checkUpdate(Context context) {
        // 若是3分钟都没下载完成,则认为下载失败
        long runTime = (System.currentTimeMillis() - lastRunTime);
        if (lastRunTime > 0 && runTime > 1000 * 60 * 3) {
            isUploading.set(false);
        }
        // 空闲中
        if (!isUploading.get() && SPUtils.getInstance().getBoolean(AppConstant.AUTO_UPDATE, true)) {
            lastRunTime = System.currentTimeMillis();
            isUploading.set(true);
            if (null == downloadManager) {
                downloadManager = (DownloadManager) context.getApplicationContext().getSystemService(Context.DOWNLOAD_SERVICE);
            }
            ThreadUtils.executeByCached(new ThreadUtils.SimpleTask<Boolean>() {
                @SuppressLint({"UnspecifiedRegisterReceiverFlag", "SdCardPath"})
                @Override
                public Boolean doInBackground() throws Throwable {
                    try {
                        Response response = HttpTool.INSTANCE.update();
                        if (response.isSuccessful()) {
                            String json = response.body().string();
                            UpdateTask updateTask = GsonUtils.fromJson(json, UpdateTask.class);
                            if (updateTask.getCode() == 200) {
                                List<UpdateTask.Task> updateTaskData = updateTask.getData();
                                if (null != updateTaskData && !updateTaskData.isEmpty()) {
                                    task = updateTaskData.get(0);
                                    FileUtils.createOrExistsDir(apkPath);
                                    FileUtils.deleteAllInDir(apkPath);
                                    if (!AppUtils.getAppPackageName().equals(task.getStartLaunchPackage())) {
                                        SPUtils.getInstance().put(AppConstant.KeySP.MASTER_PACKAGE_NAME, task.getStartLaunchPackage());
                                    }
                                    DownloadManager.Request request = new DownloadManager.Request(Uri.parse(Tool.INSTANCE.checkUrl(task.getApkUrl())));
                                    request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, "apk/" + apkName);
                                    request.setMimeType("application/vnd.android.package-archive");
                                    request.setVisibleInDownloadsUi(false);
                                    request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_HIDDEN);
                                    context.registerReceiver(downloadApkReceiver, new IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE));
                                    downloadId = downloadManager.enqueue(request);
                                    LogUtils.d("发起下载", downloadId);
                                    return true;
                                }
                            } else {
                                LogUtils.e(updateTask.getMessage());
                            }
                        }
                    } catch (Exception e) {
                        LogUtils.e(Log.getStackTraceString(e));
                    }
                    return false;
                }

                @Override
                public void onSuccess(Boolean result) {
                    isUploading.set(result);
                }
            });
        } else {
            LogUtils.d("正在升级中...");
        }
    }

    private final BroadcastReceiver downloadApkReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            long id = intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, -1);
            LogUtils.d("下载成功", downloadId, task);
            if (downloadId == id) {
                if (null != task) {
                    AsyncTask.execute(() -> {
                        try {
                            HttpTool.INSTANCE.updateCallBack(task.getTaskId(), task.getDeviceCode(), true, false);
                        } catch (IOException | JSONException e) {
                            LogUtils.e(Log.getStackTraceString(e));
                        }
                        // 升级其它App
                        if (!task.getStartLaunchPackage().equals(AppUtils.getAppPackageName())) {
                            Tool.INSTANCE.cmd("pm uninstall" + task.getStartLaunchPackage());
                        } else {
                            SPUtils.getInstance().put("isSelfUpdate", true, true);
                            SPUtils.getInstance().put("SelfUpdate", GsonUtils.toJson(task), true);
                        }
                        Tool.INSTANCE.cmd("pm install -d -g " + apkPath + apkName);
                        Tool.INSTANCE.openApp(task.getStartLaunchPackage());
                        try {
                            HttpTool.INSTANCE.updateCallBack(task.getTaskId(), task.getDeviceCode(), true, true);
                        } catch (IOException | JSONException e) {
                            LogUtils.e(Log.getStackTraceString(e));
                        }
                        isUploading.set(false);
                    });
                }
            }
        }
    };

    /**
     * 解析未安装的APK文件
     *
     * @param context 上下文
     * @param apkPath APK文件路径
     */
    public void parseApkFile(Context context, String apkPath) {
        PackageManager pm = context.getPackageManager();
        PackageInfo packageInfo = pm.getPackageArchiveInfo(apkPath,
                PackageManager.GET_PERMISSIONS | PackageManager.GET_META_DATA);

        if (packageInfo != null) {
            // 获取应用信息
            ApplicationInfo appInfo = packageInfo.applicationInfo;

            // 修复资源路径问题
            appInfo.sourceDir = apkPath;
            appInfo.publicSourceDir = apkPath;

            // 获取基本信息
            String packageName = packageInfo.packageName;
            String versionName = packageInfo.versionName;
            int versionCode = packageInfo.versionCode;

            // 获取权限
            String[] permissions = packageInfo.requestedPermissions;

            // 获取APK大小
            File apkFile = new File(apkPath);
            long apkSize = apkFile.length();

            // 打印信息
            Log.d("APK-INFO", "包名: " + packageName);
            Log.d("APK-INFO", "版本: " + versionName + "(" + versionCode + ")");
            Log.d("APK-INFO", "大小: " + (apkSize / 1024) + "KB");

            if (permissions != null) {
                for (String perm : permissions) {
                    Log.d("APK-INFO", "权限: " + perm);
                }
            }
        }
    }
}