/*
 * Copyright (C) 2016 Facishare Technology Co., Ltd. All Rights Reserved.
 */
package com.lzf.easyfloat.permission.rom;

import android.annotation.TargetApi;
import android.app.AppOpsManager;
import android.app.Fragment;
import android.content.Context;
import android.content.Intent;
import android.os.Binder;
import android.os.Build;
import android.util.Log;

import com.lzf.easyfloat.permission.PermissionUtils;

import java.lang.reflect.Method;


public class MeizuUtils {
    private static final String TAG = "MeizuUtils";

    /**
     * 检测 meizu 悬浮窗权限
     */
    public static boolean checkFloatWindowPermission(Context context) {
        final int version = Build.VERSION.SDK_INT;
        if (version >= 19) {
            // OP_SYSTEM_ALERT_WINDOW = 24;
            return checkOp(context, 24);
        }
        return true;
    }

    /**
     * 去魅族权限申请页面
     */
    public static void applyPermission(Fragment fragment) {
        try {
            Intent intent = new Intent("com.meizu.safe.security.SHOW_APPSEC");
            intent.putExtra("packageName", fragment.getActivity().getPackageName());
            fragment.startActivityForResult(intent, PermissionUtils.requestCode);
        } catch (Exception e) {
            try {
                Log.e(TAG, "获取悬浮窗权限, 打开AppSecActivity失败, " + Log.getStackTraceString(e));
                // 最新的魅族flyme 6.2.5 用上述方法获取权限失败, 不过又可以用下述方法获取权限了
                PermissionUtils.commonROMPermissionApplyInternal(fragment);
            } catch (Exception eFinal) {
                Log.e(TAG, "获取悬浮窗权限失败, 通用获取方法失败, " + Log.getStackTraceString(eFinal));
            }
        }

    }

    @TargetApi(Build.VERSION_CODES.KITKAT)
    private static boolean checkOp(Context context, int op) {
        final int version = Build.VERSION.SDK_INT;
        if (version >= 19) {
            AppOpsManager manager = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);
            try {
                Class clazz = AppOpsManager.class;
                Method method = clazz.getDeclaredMethod("checkOp", int.class, int.class, String.class);
                return AppOpsManager.MODE_ALLOWED == (int) method.invoke(manager, op, Binder.getCallingUid(), context.getPackageName());
            } catch (Exception e) {
                Log.e(TAG, Log.getStackTraceString(e));
            }
        } else {
            Log.e(TAG, "Below API 19 cannot invoke!");
        }
        return false;
    }
}