/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.systemui.doze;

import android.app.AlarmManager;
import android.app.Application;
import android.content.Context;
import android.hardware.Sensor;
import android.hardware.SensorManager;
import android.hardware.display.AmbientDisplayConfiguration;
import android.os.Handler;

import com.android.keyguard.KeyguardUpdateMonitor;
import com.android.systemui.Dependency;
import com.android.systemui.R;
import com.android.systemui.SystemUIApplication;
import com.android.systemui.dock.DockManager;
import com.android.systemui.keyguard.WakefulnessLifecycle;
import com.android.systemui.plugins.FalsingManager;
import com.android.systemui.statusbar.phone.BiometricUnlockController;
import com.android.systemui.statusbar.phone.DozeParameters;
import com.android.systemui.util.AsyncSensorManager;
import com.android.systemui.util.wakelock.DelayedWakeLock;
import com.android.systemui.util.wakelock.WakeLock;

public class DozeFactory {

    public DozeFactory() {
    }

    /** Creates a DozeMachine with its parts for {@code dozeService}. */
    public DozeMachine assembleMachine(DozeService dozeService, FalsingManager falsingManager) {
        Context context = dozeService;
        SensorManager sensorManager = Dependency.get(AsyncSensorManager.class);
        AlarmManager alarmManager = context.getSystemService(AlarmManager.class);
        DockManager dockManager = Dependency.get(DockManager.class);
        WakefulnessLifecycle wakefulnessLifecycle = Dependency.get(WakefulnessLifecycle.class);

        DozeHost host = getHost(dozeService);
        AmbientDisplayConfiguration config = new AmbientDisplayConfiguration(context);
        DozeParameters params = DozeParameters.getInstance(context);
        Handler handler = new Handler();
        WakeLock wakeLock = new DelayedWakeLock(handler,
                WakeLock.createPartial(context, "Doze"));

        DozeMachine.Service wrappedService = dozeService;
        wrappedService = new DozeBrightnessHostForwarder(wrappedService, host);
        wrappedService = DozeScreenStatePreventingAdapter.wrapIfNeeded(wrappedService, params);
        wrappedService = DozeSuspendScreenStatePreventingAdapter.wrapIfNeeded(wrappedService,
                params);

        DozeMachine machine = new DozeMachine(wrappedService, config, wakeLock,
                wakefulnessLifecycle);
        machine.setParts(new DozeMachine.Part[]{
                new DozePauser(handler, machine, alarmManager, params.getPolicy()),
                new DozeFalsingManagerAdapter(falsingManager),
                createDozeTriggers(context, sensorManager, host, alarmManager, config, params,
                        handler, wakeLock, machine, dockManager),
                createDozeUi(context, host, wakeLock, machine, handler, alarmManager, params),
                new DozeScreenState(wrappedService, handler, params, wakeLock),
                createDozeScreenBrightness(context, wrappedService, sensorManager, host, params,
                        handler),
                new DozeWallpaperState(context, getBiometricUnlockController(dozeService)),
                new DozeDockHandler(context, machine, host, config, handler, dockManager),
                new DozeAuthRemover(dozeService)
        });

        return machine;
    }

    private DozeMachine.Part createDozeScreenBrightness(Context context,
            DozeMachine.Service service, SensorManager sensorManager, DozeHost host,
            DozeParameters params, Handler handler) {
        Sensor sensor = DozeSensors.findSensorWithType(sensorManager,
                context.getString(R.string.doze_brightness_sensor_type));
        return new DozeScreenBrightness(context, service, sensorManager, sensor, host, handler,
                params.getPolicy());
    }

    private DozeTriggers createDozeTriggers(Context context, SensorManager sensorManager,
            DozeHost host, AlarmManager alarmManager, AmbientDisplayConfiguration config,
            DozeParameters params, Handler handler, WakeLock wakeLock, DozeMachine machine,
            DockManager dockManager) {
        boolean allowPulseTriggers = true;
        return new DozeTriggers(context, machine, host, alarmManager, config, params,
                sensorManager, handler, wakeLock, allowPulseTriggers, dockManager);
    }

    private DozeMachine.Part createDozeUi(Context context, DozeHost host, WakeLock wakeLock,
            DozeMachine machine, Handler handler, AlarmManager alarmManager,
            DozeParameters params) {
        return new DozeUi(context, alarmManager, machine, wakeLock, host, handler, params,
                KeyguardUpdateMonitor.getInstance(context));
    }

    public static DozeHost getHost(DozeService service) {
        Application appCandidate = service.getApplication();
        final SystemUIApplication app = (SystemUIApplication) appCandidate;
        return app.getComponent(DozeHost.class);
    }

    public static BiometricUnlockController getBiometricUnlockController(DozeService service) {
        Application appCandidate = service.getApplication();
        final SystemUIApplication app = (SystemUIApplication) appCandidate;
        return app.getComponent(BiometricUnlockController.class);
    }
}