/*
 * 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.settings.widget;

import static androidx.annotation.VisibleForTesting.NONE;

import static com.android.settingslib.drawer.TileUtils.META_DATA_PREFERENCE_ICON_BACKGROUND_ARGB;
import static com.android.settingslib.drawer.TileUtils.META_DATA_PREFERENCE_ICON_BACKGROUND_HINT;

import android.content.Context;
import android.content.pm.PackageManager;
import android.graphics.PorterDuff;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.LayerDrawable;
import android.os.Bundle;
import android.util.Log;

import androidx.annotation.VisibleForTesting;

import com.android.settings.R;
import com.android.settingslib.drawer.Tile;

public class RoundedHomepageIcon extends LayerDrawable {

    private static final String TAG = "RoundedHomepageIcon";

    @VisibleForTesting(otherwise = NONE)
    int mBackgroundColor = -1;

    public RoundedHomepageIcon(Context context, Drawable foreground) {
        super(new Drawable[]{
                context.getDrawable(R.drawable.ic_homepage_generic_background),
                foreground
        });
        final int insetPx = context.getResources()
                .getDimensionPixelSize(R.dimen.dashboard_tile_foreground_image_inset);
        setLayerInset(1 /* index */, insetPx, insetPx, insetPx, insetPx);
    }

    public void setBackgroundColor(Context context, Tile tile) {
        final Bundle metaData = tile.getMetaData();
        try {
            if (metaData != null) {
                // Load from bg.argb first
                int bgColor = metaData.getInt(META_DATA_PREFERENCE_ICON_BACKGROUND_ARGB,
                        0 /* default */);
                // Not found, load from bg.hint
                if (bgColor == 0) {
                    final int colorRes = metaData.getInt(META_DATA_PREFERENCE_ICON_BACKGROUND_HINT,
                            0 /* default */);
                    if (colorRes != 0) {
                        bgColor = context.getPackageManager()
                                .getResourcesForApplication(tile.getPackageName())
                                .getColor(colorRes, null /* theme */);
                    }
                }
                // If found anything, use it.
                if (bgColor != 0) {
                    setBackgroundColor(bgColor);
                }
            }
        } catch (PackageManager.NameNotFoundException e) {
            Log.e(TAG, "Failed to set background color for " + tile.getPackageName());
        }
    }

    public void setBackgroundColor(int color) {
        mBackgroundColor = color;
        getDrawable(0).setColorFilter(color, PorterDuff.Mode.SRC_ATOP);
        Log.d(TAG, "Setting background color " + mBackgroundColor);
    }
}