android-app/app/src/main/kotlin/org/terst/nav/NmeaConnectionPrefs.kt


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package org.terst.nav

import android.content.Context

class NmeaConnectionPrefs(context: Context) {

    private val prefs = context.getSharedPreferences("nmea_connection", Context.MODE_PRIVATE)

    enum class Transport { TCP, UDP }

    var transport: Transport
        get() = runCatching { Transport.valueOf(prefs.getString(KEY_TRANSPORT, null) ?: "") }
                    .getOrDefault(Transport.UDP)
        set(v) { prefs.edit().putString(KEY_TRANSPORT, v.name).apply() }

    var tcpHost: String
        get() = prefs.getString(KEY_HOST, DEFAULT_HOST) ?: DEFAULT_HOST
        set(v) { prefs.edit().putString(KEY_HOST, v).apply() }

    var port: Int
        get() = prefs.getInt(KEY_PORT, DEFAULT_PORT)
        set(v) { prefs.edit().putInt(KEY_PORT, v).apply() }

    companion object {
        private const val KEY_TRANSPORT = "transport"
        private const val KEY_HOST      = "host"
        private const val KEY_PORT      = "port"
        const val DEFAULT_HOST = "192.168.4.1"
        const val DEFAULT_PORT = 10110
    }
}