package com.stardust.view.accessibility;

import android.accessibilityservice.AccessibilityService;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.provider.Settings;
import android.text.TextUtils;
import android.widget.Toast;

import com.stardust.scriptdroid.App;
import com.stardust.scriptdroid.Pref;
import com.stardust.scriptdroid.R;
import com.stardust.scriptdroid.service.AccessibilityWatchDogService;
import com.stardust.scriptdroid.tool.Shell;

/**
 * Created by Stardust on 2017/1/26.
 */

public class AccessibilityServiceUtils {

    public static void goToAccessibilitySetting(Context context) {
        if (Pref.isFirstGoToAccessibilitySetting()) {
            Toast.makeText(context, context.getString(R.string.text_please_choose) + context.getString(R.string._app_name), Toast.LENGTH_LONG).show();
        }
        context.startActivity(new Intent(Settings.ACTION_ACCESSIBILITY_SETTINGS).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK));
    }

    public static boolean isAccessibilityServiceEnabled(Context context, Class<? extends AccessibilityService> accessibilityService) {
        ComponentName expectedComponentName = new ComponentName(context, accessibilityService);

        String enabledServicesSetting = Settings.Secure.getString(context.getContentResolver(), Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES);
        if (enabledServicesSetting == null)
            return false;

        TextUtils.SimpleStringSplitter colonSplitter = new TextUtils.SimpleStringSplitter(':');
        colonSplitter.setString(enabledServicesSetting);

        while (colonSplitter.hasNext()) {
            String componentNameString = colonSplitter.next();
            ComponentName enabledService = ComponentName.unflattenFromString(componentNameString);

            if (enabledService != null && enabledService.equals(expectedComponentName))
                return true;
        }

        return false;
    }

    public static boolean enableAccessibilityServiceByRootAndWaitFor(Context context, Class<? extends AccessibilityService> accessibilityService, long timeout) {
        Shell.execCommand("settings put secure enabled_accessibility_services %accessibility:"
                + context.getPackageName() + "/" + accessibilityService.getName(), true);
        long millis = System.currentTimeMillis();
        while (true) {
            if (isAccessibilityServiceEnabled(context, accessibilityService))
                return true;
            try {
                Thread.sleep(300);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            if (System.currentTimeMillis() - millis >= timeout) {
                return false;
            }

        }
    }
}