/*
 * Copyright (c) 2018 Alexander Yaburov
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 me.impa.knockonports.data

import android.annotation.SuppressLint
import android.content.Context
import android.content.pm.PackageManager
import me.impa.knockonports.R

data class AppData(val app: String, val name: String) {

    override fun toString(): String = name

    override fun equals(other: Any?): Boolean {
        return this === other || (other is AppData && other.app == app && other.name == name)
    }

    override fun hashCode(): Int {
        var result = app.hashCode()
        result = 31 * result + name.hashCode()
        return result
    }

    companion object {
        @SuppressLint("QueryPermissionsNeeded")
        fun loadInstalledApps(context: Context): List<AppData> =
                sequenceOf(AppData("", context.resources.getString(R.string.none)))
                        .plus(context.packageManager.getInstalledApplications(PackageManager.GET_META_DATA)
                                .asSequence()
                                .filter { context.packageManager.getLaunchIntentForPackage(it.packageName) != null }
                                .map { AppData(it.packageName, context.packageManager.getApplicationLabel(it).toString()) }
                                .sortedBy { it.name }
                                .toList())
                        .toList()


    }
}