/**
 * TrackerMap
 * Copyright (C) 2021-2022  Iván Ávalos <avalos@disroot.org>, Henoch Ojeda <imhenoch@protonmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package mx.trackermap.TrackerMap.client.models

data class UnitInformation(
    val device: Device,
    val position: Position?
) {
    enum class Status {
        ONLINE, OFFLINE, UNKNOWN
    }

    enum class EngineStop {
        ON, OFF, UNKNOWN
    }

    /**
     * Status is calculated from speed, because status based on
     * the actual connection to the server is useless for our clients.
     */
    fun getStatus() = position?.speed?.let {
        if (it >= 2) {
            Status.ONLINE
        } else {
            Status.OFFLINE
        }
    } ?: Status.UNKNOWN

    /* Many GPS devices reserve pin 1 for engine stop */
    fun getEngineStop() = if (position?.attributes?.containsKey("out1") == true) {
        position.attributes["out1"]?.toString()?.let {
            when (it) {
                "true" -> EngineStop.ON
                "false" -> EngineStop.OFF
                else -> EngineStop.UNKNOWN
            }
        } ?: EngineStop.UNKNOWN
    } else EngineStop.UNKNOWN
}