/*
 * Copyright (C) 2023 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.car.qc;

import android.car.app.CarActivityManager;
import android.content.Context;
import android.content.Intent;
import android.graphics.drawable.Drawable;
import android.os.UserManager;
import android.widget.ImageView;

import androidx.annotation.VisibleForTesting;

import com.android.systemui.R;
import com.android.systemui.broadcast.BroadcastDispatcher;
import com.android.systemui.car.CarServiceProvider;
import com.android.systemui.car.statusbar.UserNameViewController;
import com.android.systemui.car.systembar.element.CarSystemBarElementController;
import com.android.systemui.car.systembar.element.CarSystemBarElementStateController;
import com.android.systemui.car.systembar.element.CarSystemBarElementStatusBarDisableController;
import com.android.systemui.car.userswitcher.UserIconProvider;
import com.android.systemui.settings.UserTracker;

import dagger.assisted.Assisted;
import dagger.assisted.AssistedFactory;
import dagger.assisted.AssistedInject;

/**
 * One of {@link QCFooterView} for quick control panels, which shows user information
 * and opens the user picker.
 */

public class QCUserPickerButtonController extends QCFooterViewController {
    private final Context mContext;
    private final UserTracker mUserTracker;
    private final CarServiceProvider mCarServiceProvider;
    private final BroadcastDispatcher mBroadcastDispatcher;
    private final UserManager mUserManager;
    private CarActivityManager mCarActivityManager;
    @VisibleForTesting
    UserNameViewController mUserNameViewController;

    private final CarServiceProvider.CarServiceOnConnectedListener mCarServiceLifecycleListener =
            car -> {
                mCarActivityManager = car.getCarManager(CarActivityManager.class);
            };

    @AssistedInject
    protected QCUserPickerButtonController(@Assisted QCFooterView view,
            CarSystemBarElementStatusBarDisableController disableController,
            CarSystemBarElementStateController stateController, Context context,
            UserTracker userTracker, CarServiceProvider carServiceProvider,
            BroadcastDispatcher broadcastDispatcher) {
        super(view, disableController, stateController, context, userTracker);
        mContext = context;
        mUserTracker = userTracker;
        mCarServiceProvider = carServiceProvider;
        mBroadcastDispatcher = broadcastDispatcher;
        mUserManager = mContext.getSystemService(UserManager.class);
    }

    @AssistedFactory
    public interface Factory extends
            CarSystemBarElementController.Factory<QCFooterView, QCUserPickerButtonController> {}

    @Override
    protected void onInit() {
        super.onInit();
        mView.setOnClickListener(v -> openUserPicker());

        ImageView userIconView = mView.findViewById(R.id.user_icon);
        if (userIconView != null) {
            // Set user icon as the first letter of the username.
            UserIconProvider userIconProvider = new UserIconProvider();
            Drawable circleIcon = userIconProvider.getRoundedUserIcon(
                    mUserTracker.getUserInfo(), mContext);
            userIconView.setImageDrawable(circleIcon);
        }
    }

    @Override
    protected void onViewAttached() {
        super.onViewAttached();
        mCarServiceProvider.addListener(mCarServiceLifecycleListener);
        mUserNameViewController = new UserNameViewController(
                mContext, mUserTracker, mUserManager, mBroadcastDispatcher);
        mUserNameViewController.addUserNameView(mView);

    }

    @Override
    protected void onViewDetached() {
        super.onViewDetached();
        mCarServiceProvider.removeListener(mCarServiceLifecycleListener);
        if (mUserNameViewController != null) {
            mUserNameViewController.removeUserNameView(mView);
            mUserNameViewController = null;
        }
    }

    private void openUserPicker() {
        mContext.sendBroadcastAsUser(new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS),
                mUserTracker.getUserHandle());
        if (mCarActivityManager != null) {
            mCarActivityManager.startUserPickerOnDisplay(getContext().getDisplayId());
        }
    }
}