/**
 * 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.android.details.commands

import android.util.Log
import androidx.lifecycle.MutableLiveData
import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
import kotlinx.coroutines.DelicateCoroutinesApi
import kotlinx.coroutines.launch
import mx.trackermap.TrackerMap.client.models.Command
import mx.trackermap.TrackerMap.controllers.CommandsController
import org.koin.core.component.KoinComponent
import org.koin.core.component.inject

@DelicateCoroutinesApi
class UnitCommandsViewModel : ViewModel(), KoinComponent {

    private val commandsController: CommandsController by inject()

    var commands = MutableLiveData<List<Command>>()
    private var selectedCommand: Command? = null
    private var deviceId: Int? = null

    fun fetchCommands(deviceId: Int?) {
        this.deviceId = deviceId
        deviceId?.let {
            viewModelScope.launch {
                val commands = commandsController.fetchCommands(it)
                this@UnitCommandsViewModel.commands.value = commands.toList()
            }
        }
    }

    fun selectCommand(index: Int) {
        val command = commands.value?.get(index)
        Log.d("UnitCommandsVM", "Selected Command - $command")
        command?.deviceId = this.deviceId

        this.selectedCommand = command
    }

    fun sendCommand() {
        if (selectedCommand == null) {
            Log.d("UnitCommandsVM", "No Command Selection")
            return
        }

        Log.d("UnitCommandsVM", "Sending command - $selectedCommand")
        selectedCommand?.let {
            viewModelScope.launch {
                val command = commandsController.sendCommand(it)
                Log.d("UnitCommandsVM", "Command sent - $command")
            }
        }
    }
}