/*
 * 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.content.pm.PackageManager;
import android.net.Uri;
import android.os.Binder;
import android.os.Build;
import android.provider.Settings;
import android.util.Log;

import com.lzf.easyfloat.permission.PermissionUtils;

import java.lang.reflect.Method;

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

    /**
     * 获取小米 rom 版本号，获取失败返回 -1
     *
     * @return miui rom version code, if fail , return -1
     */
    public static int getMiuiVersion() {
        String version = RomUtils.getSystemProperty("ro.miui.ui.version.name");
        if (version != null) {
            try {
                return Integer.parseInt(version.substring(1));
            } catch (Exception e) {
                Log.e(TAG, "get miui version code error, version : " + version);
                Log.e(TAG, Log.getStackTraceString(e));
            }
        }
        return -1;
    }

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

    @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;
    }

    /**
     * 小米 ROM 权限申请
     */
    public static void applyMiuiPermission(Fragment fragment) {
        int versionCode = getMiuiVersion();
        if (versionCode == 5) {
            goToMiuiPermissionActivity_V5(fragment);
        } else if (versionCode == 6) {
            goToMiuiPermissionActivity_V6(fragment);
        } else if (versionCode == 7) {
            goToMiuiPermissionActivity_V7(fragment);
        } else if (versionCode >= 8) {
            goToMiuiPermissionActivity_V8(fragment);
        } else {
            Log.e(TAG, "this is a special MIUI rom version, its version code " + versionCode);
        }
    }

    private static boolean isIntentAvailable(Intent intent, Context context) {
        if (intent == null) {
            return false;
        }
        return context.getPackageManager().queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY).size() > 0;
    }

    /**
     * 小米 V5 版本 ROM权限申请
     */
    public static void goToMiuiPermissionActivity_V5(Fragment fragment) {
        String packageName = fragment.getActivity().getPackageName();
        Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
        Uri uri = Uri.fromParts("package", packageName, null);
        intent.setData(uri);
        if (isIntentAvailable(intent, fragment.getActivity())) {
            fragment.startActivityForResult(intent, PermissionUtils.requestCode);
        } else {
            Log.e(TAG, "intent is not available!");
        }
    }

    /**
     * 小米 V6 版本 ROM权限申请
     */
    public static void goToMiuiPermissionActivity_V6(Fragment fragment) {
        Intent intent = new Intent("miui.intent.action.APP_PERM_EDITOR");
        intent.setClassName("com.miui.securitycenter", "com.miui.permcenter.permissions.AppPermissionsEditorActivity");
        intent.putExtra("extra_pkgname", fragment.getActivity().getPackageName());
        if (isIntentAvailable(intent, fragment.getActivity())) {
            fragment.startActivityForResult(intent, PermissionUtils.requestCode);
        } else {
            Log.e(TAG, "Intent is not available!");
        }
    }

    /**
     * 小米 V7 版本 ROM权限申请
     */
    public static void goToMiuiPermissionActivity_V7(Fragment fragment) {
        Intent intent = new Intent("miui.intent.action.APP_PERM_EDITOR");
        intent.setClassName("com.miui.securitycenter", "com.miui.permcenter.permissions.AppPermissionsEditorActivity");
        intent.putExtra("extra_pkgname", fragment.getActivity().getPackageName());
        if (isIntentAvailable(intent, fragment.getActivity())) {
            fragment.startActivityForResult(intent, PermissionUtils.requestCode);
        } else {
            Log.e(TAG, "Intent is not available!");
        }
    }

    /**
     * 小米 V8 版本 ROM权限申请
     */
    public static void goToMiuiPermissionActivity_V8(Fragment fragment) {
        Intent intent = new Intent("miui.intent.action.APP_PERM_EDITOR");
        intent.setClassName("com.miui.securitycenter", "com.miui.permcenter.permissions.PermissionsEditorActivity");
        intent.putExtra("extra_pkgname", fragment.getActivity().getPackageName());
        if (isIntentAvailable(intent, fragment.getActivity())) {
            fragment.startActivityForResult(intent, PermissionUtils.requestCode);
        } else {
            intent = new Intent("miui.intent.action.APP_PERM_EDITOR");
            intent.setPackage("com.miui.securitycenter");
            intent.putExtra("extra_pkgname", fragment.getActivity().getPackageName());
            if (isIntentAvailable(intent, fragment.getActivity())) {
                fragment.startActivityForResult(intent, PermissionUtils.requestCode);
            } else {
                Log.e(TAG, "Intent is not available!");
            }
        }
    }
}