/*
 * Copyright (C) 2018 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.car.settings.profiles;

import android.content.Context;
import android.content.pm.UserInfo;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.os.UserManager;

import com.android.car.admin.ui.UserAvatarView;
import com.android.car.internal.user.UserHelper;
import com.android.car.settings.R;

/**
 * Simple class for providing icons for profiles in Settings.
 */
public class ProfileIconProvider {

    /**
     * Gets a scaled rounded icon for the given profile to use in settings.  If a profile does
     * not have an icon saved, this method will default to a generic icon and update UserManager to
     * use that icon.
     *
     * @param userInfo User for which the icon is requested.
     * @param context Context to use for resources
     * @return {@link Drawable} representing the icon for the user.
     */
    public Drawable getRoundedProfileIcon(UserInfo userInfo, Context context) {
        UserManager userManager = UserManager.get(context);
        Resources res = context.getResources();
        Bitmap icon = userManager.getUserIcon(userInfo.id);

        if (icon == null) {
            icon = UserHelper.assignDefaultIcon(context, userInfo.getUserHandle());
        }

        return new BitmapDrawable(res, icon);
    }

    /** Returns a scaled, rounded, default icon for the Guest profile */
    public Drawable getRoundedGuestDefaultIcon(Context context) {
        Bitmap icon = UserHelper.getGuestDefaultIcon(context);
        return new BitmapDrawable(context.getResources(), icon);
    }

    // TODO (b/179802719): refactor this method into getRoundedUserIcon().
    /**
     * Gets badge to profile icon Drawable if the profile is managed.
     *
     * @param context to use for the avatar view
     * @param userInfo User for which the icon is requested and badge is set
     * @return {@link Drawable} with badge
     */
    public Drawable getDrawableWithBadge(Context context, UserInfo userInfo) {
        Drawable userIcon = getRoundedProfileIcon(userInfo, context);
        int iconSize = userIcon.getIntrinsicWidth();
        UserAvatarView userAvatarView = new UserAvatarView(context);
        float badgeToIconSizeRatio =
                context.getResources().getDimension(R.dimen.profile_switcher_managed_badge_size)
                        / context.getResources().getDimension(
                        R.dimen.profile_switcher_image_avatar_size);
        userAvatarView.setBadgeDiameter(iconSize * badgeToIconSizeRatio);
        float badgePadding = context.getResources().getDimension(
                R.dimen.profile_switcher_managed_badge_margin);
        userAvatarView.setBadgeMargin(badgePadding);
        userAvatarView.setDrawableWithBadge(userIcon, userInfo.id);
        Drawable badgedIcon = userAvatarView.getUserIconDrawable();
        badgedIcon.setBounds(0, 0, iconSize, iconSize);
        return badgedIcon;
    }
}