/*
 * Copyright 2010-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file 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.amazonaws.mobileconnectors.amazonmobileanalytics.internal.core.system;

import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.util.Log;

public class AndroidAppDetails implements AppDetails {
    private static final String TAG = "AndroidAppDetails";
    private Context applicationContext;

    private String appTitle;
    private String packageName;
    private String versionCode;
    private String versionName;
    private String appId;

    public AndroidAppDetails(Context context, String appId) {
        this.applicationContext = context.getApplicationContext();
        try {
            PackageManager packageManager = this.applicationContext.getPackageManager();
            PackageInfo packageInfo = packageManager.getPackageInfo(
                    this.applicationContext.getPackageName(), 0);
            ApplicationInfo appInfo = packageManager.getApplicationInfo(packageInfo.packageName, 0);

            appTitle = (String) packageManager.getApplicationLabel(appInfo);
            packageName = packageInfo.packageName;
            versionCode = String.valueOf(packageInfo.versionCode);
            versionName = packageInfo.versionName;
            this.appId = appId;
        } catch (NameNotFoundException e) {
            Log.w(TAG,
                    "Unable to get details for package " + this.applicationContext.getPackageName());
            appTitle = "Unknown";
            packageName = "Unknown";
            versionCode = "Unknown";
            versionName = "Unknown";
        }
    }

    public AndroidAppDetails(String packageName, String versionCode, String versionName,
            String appTitle, String appId) {
        this.packageName = packageName;
        this.versionCode = versionCode;
        this.versionName = versionName;
        this.appTitle = appTitle;
        this.appId = appId;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String packageName() {
        return packageName;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String versionName() {
        return versionName;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String versionCode() {
        return versionCode;
    }

    @Override
    public String getAppTitle() {
        return appTitle;
    }

    @Override
    public String getAppId() {
        return appId;
    }
}