/*
 * Copyright (C) 2010 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.contacts.util;

import com.android.contacts.ContactPhotoManager;
import com.android.contacts.R;

import android.content.Context;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.text.TextUtils;
import android.text.format.DateUtils;
import android.util.Log;

/**
 * Provides static functions to extract summary information for aggregate contacts
 */
public class ContactBadgeUtil {
    private static final String TAG = "ContactBadgeUtil";

    /**
     * Returns the social snippet attribution for the given stream item entry, including the date.
     */
    public static CharSequence getSocialDate(StreamItemEntry streamItem, Context context) {
        final CharSequence timestampDisplayValue;
        final Long statusTimestamp = streamItem.getTimestamp();
        if (statusTimestamp  != null) {
            // Set the date/time field by mixing relative and absolute
            // times.
            int flags = DateUtils.FORMAT_ABBREV_RELATIVE;

            timestampDisplayValue = DateUtils.getRelativeTimeSpanString(
                    statusTimestamp.longValue(), System.currentTimeMillis(),
                    DateUtils.MINUTE_IN_MILLIS, flags);
        } else {
            timestampDisplayValue = null;
        }


        String labelDisplayValue = null;

        final String statusLabelRes = streamItem.getLabelRes();
        final String statusResPackage = streamItem.getResPackage();

        // Package name used for resources.getIdentifier()
        String identiferPackage = statusResPackage;
        if (statusLabelRes  != null) {
            Resources resources;
            if (TextUtils.isEmpty(statusResPackage)) {
                resources = context.getResources();
                // In this case, we're using the framework resources.
                identiferPackage = "android";
            } else {
                PackageManager pm = context.getPackageManager();
                try {
                    resources = pm.getResourcesForApplication(statusResPackage);
                } catch (NameNotFoundException e) {
                    Log.w(TAG, "Contact status update resource package not found: "
                            + statusResPackage);
                    resources = null;
                }
            }

            if (resources != null) {
                final int resId = resources.getIdentifier(statusLabelRes, "string",
                        identiferPackage);
                if (resId == 0) {
                    Log.w(TAG, "Contact status update resource not found: " + statusLabelRes +
                            " in " + statusResPackage);
                } else {
                    labelDisplayValue = resources.getString(resId);
                }
            }
        }

        final CharSequence attribution;
        if (timestampDisplayValue != null && labelDisplayValue != null) {
            attribution = context.getString(
                    R.string.contact_status_update_attribution_with_date,
                    timestampDisplayValue, labelDisplayValue);
        } else if (timestampDisplayValue == null && labelDisplayValue != null) {
            attribution = context.getString(
                    R.string.contact_status_update_attribution,
                    labelDisplayValue);
        } else if (timestampDisplayValue != null) {
            attribution = timestampDisplayValue;
        } else {
            attribution = null;
        }
        return attribution;
    }

    public static Bitmap loadDefaultAvatarPhoto(Context context, boolean hires, boolean darkTheme) {
        return BitmapFactory.decodeResource(context.getResources(),
                ContactPhotoManager.getDefaultAvatarResId(hires, darkTheme));
    }
}