package com.gh.common.util;

import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.Signature;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.content.FileProvider;
import android.text.TextUtils;

import com.g00fy2.versioncompare.Version;
import com.gh.gamecenter.BuildConfig;
import com.gh.gamecenter.entity.ApkEntity;
import com.gh.gamecenter.entity.GameEntity;
import com.gh.gamecenter.entity.GameUpdateEntity;
import com.lightgame.utils.Utils;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.io.ByteArrayInputStream;
import java.io.File;
import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.List;

public class PackageUtils {

    public static final String publicKey = "OpenSSLRSAPublicKey{modulus=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,publicExponent=10001}";

    /*
     * 判断是否可以更新，只判断gh_version的大小
     */
    public static List<GameUpdateEntity> isCanUpdate(Context context, GameEntity gameEntity) {

        List<GameUpdateEntity> updateList = new ArrayList<>();

        boolean isAPluginGame = false;
        for (ApkEntity apkEntity : gameEntity.getApk()) {
            // 判断是否gh_version是否存在
            String gh_version = (String) PackageUtils.getMetaData(context, apkEntity.getPackageName(), "gh_version");
            Object gh_id = PackageUtils.getMetaData(context, apkEntity.getPackageName(), "gh_id");
            if (gh_version != null && apkEntity.getGhVersion() != null && gh_id != null) {

                // 确定这是一个插件游戏
                if (!isAPluginGame) isAPluginGame = true;
                gh_version = gh_version.substring(2);
                if (Long.parseLong(gh_version) < Long.parseLong(apkEntity.getGhVersion()) && apkEntity.getForce()
                        && gh_id.equals(gameEntity.getId())) {
                    GameUpdateEntity updateEntity = new GameUpdateEntity();
                    updateEntity.setId(gameEntity.getId());
                    updateEntity.setName(gameEntity.getName());
                    updateEntity.setIcon(gameEntity.getIcon());
                    updateEntity.setPackageName(apkEntity.getPackageName());
                    updateEntity.setSize(apkEntity.getSize());
                    updateEntity.setVersion(apkEntity.getVersion());
                    updateEntity.setGhVersion(apkEntity.getGhVersion());
                    updateEntity.setUrl(apkEntity.getUrl());
                    updateEntity.setPlatform(apkEntity.getPlatform());
                    updateEntity.setEtag(apkEntity.getEtag());
                    updateEntity.setBrief(gameEntity.getBrief());
                    updateEntity.setTag(gameEntity.getTag());
                    updateList.add(updateEntity);
                }
            }
        }

        // 不是插件游戏
        if (!isAPluginGame) {
            for (ApkEntity apkEntity : gameEntity.getApkNormal()) {

                String versionFromRequest = apkEntity.getVersion();
                String versionFromInstalledApp = getVersionByPackage(context, apkEntity.getPackageName());

                // 是否需要显示更新
                boolean shouldShouldUpdate = apkEntity.getForce();

                if (shouldShouldUpdate && !TextUtils.isEmpty(versionFromRequest) && !TextUtils.isEmpty(versionFromInstalledApp)) {

                    // 根据版本判断是否需要更新
                    shouldShouldUpdate = new Version(versionFromRequest).isHigherThan(versionFromInstalledApp);

                    if (shouldShouldUpdate) {
                        GameUpdateEntity updateEntity = new GameUpdateEntity();
                        updateEntity.setId(gameEntity.getId());
                        updateEntity.setName(gameEntity.getName());
                        updateEntity.setIcon(gameEntity.getIcon());
                        updateEntity.setPackageName(apkEntity.getPackageName());
                        updateEntity.setSize(apkEntity.getSize());
                        updateEntity.setVersion(apkEntity.getVersion());
                        updateEntity.setGhVersion(apkEntity.getGhVersion());
                        updateEntity.setUrl(apkEntity.getUrl());
                        updateEntity.setPlatform(apkEntity.getPlatform());
                        updateEntity.setEtag(apkEntity.getEtag());
                        updateEntity.setBrief(gameEntity.getBrief());
                        updateEntity.setTag(gameEntity.getTag());
                        updateList.add(updateEntity);
                    }
                }
            }
        }

        return updateList;
    }

    /*
     * 获取meta-data
     */
    public static Object getMetaData(Context context, String packageName, String name) {
        try {
            Bundle metaDate = context.getApplicationContext().getPackageManager().getApplicationInfo(
                    packageName, PackageManager.GET_META_DATA).metaData;
            if (metaDate != null) {
                return metaDate.get(name);
            }
        } catch (NameNotFoundException e) {
//            e.printStackTrace();
        }
        return null;
    }

    /*
     * 判断是否是插件包
     */
    public static boolean isSignature(Context context, String packageName) {
        String signature = getApkSignatureByPackageName(context, packageName);
        return publicKey.equals(signature);
    }

    /*
     * 根据包名，获取apk的签名信息
     */
    public static String getApkSignatureByPackageName(Context context, String packageName) {
        try {
            PackageInfo packageInfo = context.getApplicationContext().getPackageManager()
                    .getPackageInfo(packageName, PackageManager.GET_SIGNATURES);
            Signature[] signatures = packageInfo.signatures;
            return parseSignature(signatures[0].toByteArray())[0];
        } catch (NameNotFoundException e) {
            e.printStackTrace();
        }
        return null;
    }

    public static boolean compareSignatureBetweenInstalledAppWithApk(Context context, String packageName, String apkFilePath) {
        try {
            Signature sig = context.getPackageManager().getPackageInfo(packageName, PackageManager.GET_SIGNATURES).signatures[0];
            Signature releaseSig = context.getPackageManager().getPackageArchiveInfo(apkFilePath, PackageManager.GET_SIGNATURES).signatures[0];
            return sig.hashCode() == releaseSig.hashCode();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }

    /*
     * 解析签名
     */
    private static String[] parseSignature(byte[] signature) {
        String[] ret = null;
        try {
            CertificateFactory certFactory = CertificateFactory.getInstance("X.509");
            X509Certificate cert = (X509Certificate) certFactory.generateCertificate(
                    new ByteArrayInputStream(signature));
            ret = new String[]{cert.getPublicKey().toString(), cert.getSerialNumber().toString()};
        } catch (CertificateException e) {
            e.printStackTrace();
        }
        return ret;
    }

    /*
     * 启动安装应用程序
     */
    public static void launchSetup(final Context context, final String path) {
        try {
            if (isCanLaunchSetup(context, path)) {
                context.startActivity(PackageUtils.getInstallIntent(context, path));
            } else {
                DialogUtils.showPluginDialog(context,
                        () -> context.startActivity(PackageUtils.getUninstallIntent(context, path)));
            }
        } catch (Exception e) {
            Utils.toast(context, e.getMessage());
        }
    }

    /*
     * 根据apk路径，获取apk包名、签名 根据包名 判断 是否已安装游戏 根据签名 判断 是否一致
     */
    public static boolean isCanLaunchSetup(Context context, String path) {
        String packageName = getPackageNameByPath(context, path);

        if (TextUtils.isEmpty(packageName)) {
            return true;
        }
        boolean isContain = com.gh.gamecenter.manager.PackagesManager.INSTANCE.isInstalled(packageName);
        if (!isContain) {
            return true;
        }

        boolean isInstalled = isInstalled(context, packageName);
        if (!isInstalled) {
            return true;
        }

        // 由于新增了非插件的也能更新的功能，倘若两个签名一样的话就不走下面的光环签名判断了
        if (compareSignatureBetweenInstalledAppWithApk(context, packageName, path)) {
            return true;
        }

        String signature = getApkSignatureByPackageName(context, packageName);
        return publicKey.equals(signature);
    }

    /*
     * 根据路径，获取安装游戏的意图
     */
    public static Intent getInstallIntent(Context context, String path) {
        Uri uri = Uri.fromFile(new File(path));
        Intent installIntent = new Intent(Intent.ACTION_VIEW);
        if ("smartisan".equals(Build.MANUFACTURER)) {
            installIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        }

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
            uri = FileProvider.getUriForFile(context, BuildConfig.APPLICATION_ID, new File(path));
            installIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            installIntent.setDataAndType(uri, "application/vnd.android.package-archive");
            installIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
        } else {
            installIntent.setDataAndType(uri, "application/vnd.android.package-archive");
        }
        InstallUtils.getInstance(context).addInstall(getPackageNameByPath(context, path));
        return installIntent;
    }

    /*
     * 根据包名，获取卸载游戏的意图
     */
    public static Intent getUninstallIntent(Context context, String path) {
        Intent uninstallIntent = new Intent();
        uninstallIntent.setAction(Intent.ACTION_DELETE);
        uninstallIntent.addCategory(Intent.CATEGORY_DEFAULT);
        String packageName = getPackageNameByPath(context, path);
        uninstallIntent.setData(Uri.parse("package:" + packageName));
        InstallUtils.getInstance(context).addUninstall(packageName);
        return uninstallIntent;
    }

    /*
     * 根据路径，获取apk的包名
     */
    public static String getPackageNameByPath(Context context, String path) {
        PackageManager packageManager = context.getApplicationContext().getPackageManager();
        PackageInfo info = packageManager.getPackageArchiveInfo(path, PackageManager.GET_ACTIVITIES);
        if (info != null) {
            ApplicationInfo appInfo = info.applicationInfo;
            return appInfo.packageName;
        }
        return null;
    }

    /*
     * 根据包名，判断是否已安装该游戏
     */
    public static boolean isInstalled(Context context, String packageName) {
        Intent intent = context.getApplicationContext().getPackageManager().getLaunchIntentForPackage(packageName);
        return intent != null;
    }

    /*
     * 获取应用第一次安装的时间
     */
    public static long getInstalledTime(Context context, String packageName) {
        try {
            if (context == null) return 0;
            PackageInfo packageInfo = context.getApplicationContext().getPackageManager()
                    .getPackageInfo(packageName, 0);
            return packageInfo.firstInstallTime;
        } catch (NameNotFoundException e) {
            e.printStackTrace();
        }
        return 0;
    }

    /*
     * 返回光环助手的版本信息
     */
    public static String getVersionName() {
        return BuildConfig.VERSION_NAME;
    }

    /*
     * 返回光环助手的版本code
     */
    public static int getVersionCode() {
        return BuildConfig.VERSION_CODE;
    }

    /*
     * 获取apk的版本
     */
    public static String getVersionByPackage(Context context, String packageName) {
        try {
            return context.getApplicationContext().getPackageManager().getPackageInfo(packageName,
                    PackageManager.COMPONENT_ENABLED_STATE_DEFAULT).versionName;
        } catch (NameNotFoundException e) {
            e.printStackTrace();
        }
        return null;
    }


    /*
     * 获取apk的版本
     */
    public static Drawable getIconByPackage(Context context, String packageName) {
        try {
            PackageManager packageManager = context.getApplicationContext().getPackageManager();
            return packageManager.getApplicationIcon(packageName);
        } catch (NameNotFoundException e) {
            e.printStackTrace();
        }
        return null;
    }

    /*
     * 获取所有已安装的软件的包名、版本(非系统应用)
     */
    public static ArrayList<String> getAllPackageName(Context context) {
        ArrayList<String> list = new ArrayList<>();
        List<PackageInfo> packageInfos = context.getApplicationContext().getPackageManager().getInstalledPackages(0);
        for (PackageInfo packageInfo : packageInfos) {
            if ((packageInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0) {
                if (!context.getPackageName().equals(packageInfo.packageName)) {
                    list.add(packageInfo.packageName);
                }
            }
        }
        return list;
    }

    public static JSONArray getAppList(Context context) {
        JSONArray jsonArray = new JSONArray();
        try {
            PackageManager pm = context.getPackageManager();
            List<PackageInfo> packageInfos = pm.getInstalledPackages(0);
            for (PackageInfo packageInfo : packageInfos) {
                if ((packageInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0) {
                    JSONObject jsonObject = new JSONObject();
                    jsonObject.put("name", pm.getApplicationLabel(packageInfo.applicationInfo).toString());
                    jsonObject.put("package", packageInfo.packageName);
                    jsonObject.put("version", packageInfo.versionName);
                    jsonArray.put(jsonObject);
                }
            }
        } catch (JSONException e) {
            e.printStackTrace();
        }
        return jsonArray;
    }

    /*
     * 启动应用
     */
    public static void launchApplicationByPackageName(Context context, String packageName) {
        try {
            Intent intent = context.getApplicationContext().getPackageManager().getLaunchIntentForPackage(packageName);
            if (intent != null) {
                context.startActivity(intent);
            } else {
                Utils.toast(context, "启动失败");
            }
        } catch (Exception e) {
            e.printStackTrace();
            Utils.toast(context, "启动失败");
        }
    }

    /*
     * 根据包名，获取软件名称
     */
    public static String getNameByPackageName(Context context, String packageName) {
        try {
            PackageManager pm = context.getApplicationContext().getPackageManager();
            ApplicationInfo applicationInfo = pm.getApplicationInfo(
                    packageName, 0);
            return applicationInfo.loadLabel(pm).toString();
        } catch (NameNotFoundException e) {
            e.printStackTrace();
        }
        return null;
    }

}