/*
 * The MIT License (MIT)
 *
 * Copyright 2016 Arnab Chakraborty. http://arnab.ch
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this
 * software and associated documentation files (the "Software"), to deal in the Software
 * without restriction, including without limitation the rights to use, copy, modify,
 * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies
 * or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package org.anbox.appmgr;

import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.graphics.drawable.Drawable;

import java.io.File;

/**
 * @credit http://developer.android.com/reference/android/content/AsyncTaskLoader.html
 */
public class AppModel {

    private final Context mContext;
    private final ApplicationInfo mInfo;

    private String mAppLabel;
    private Drawable mIcon;

    private boolean mMounted;
    private final File mApkFile;

    public AppModel(Context context, ApplicationInfo info) {
        mContext = context;
        mInfo = info;

        mApkFile = new File(info.sourceDir);
    }

    public ApplicationInfo getAppInfo() {
        return mInfo;
    }

    public String getApplicationPackageName() {
        return getAppInfo().packageName;
    }

    public String getLabel() {
        return mAppLabel;
    }

    public Drawable getIcon() {
        if (mIcon == null) {
            if (mApkFile.exists()) {
                mIcon = mInfo.loadIcon(mContext.getPackageManager());
                return mIcon;
            } else {
                mMounted = false;
            }
        } else if (!mMounted) {
            // If the app wasn't mounted but is now mounted, reload
            // its icon.
            if (mApkFile.exists()) {
                mMounted = true;
                mIcon = mInfo.loadIcon(mContext.getPackageManager());
                return mIcon;
            }
        } else {
            return mIcon;
        }

        return mContext.getResources().getDrawable(android.R.drawable.sym_def_app_icon);
    }


    void loadLabel(Context context) {
        if (mAppLabel == null || !mMounted) {
            if (!mApkFile.exists()) {
                mMounted = false;
                mAppLabel = mInfo.packageName;
            } else {
                mMounted = true;
                CharSequence label = mInfo.loadLabel(context.getPackageManager());
                mAppLabel = label != null ? label.toString() : mInfo.packageName;
            }
        }
    }
}