package com.tutpro.baresip

import android.app.role.RoleManager
import android.content.Context
import android.content.Context.POWER_SERVICE
import android.content.Context.ROLE_SERVICE
import android.os.Build
import android.os.PowerManager
import androidx.appcompat.app.AppCompatDelegate
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.setValue
import androidx.lifecycle.ViewModel
import kotlinx.coroutines.flow.MutableStateFlow
import java.io.File

class SettingsViewModel: ViewModel() {
    
    val autoStart = MutableStateFlow(false)
    val listenAddress = MutableStateFlow("")
    val addressFamily = MutableStateFlow("")
    val transportProtocols = MutableStateFlow("")
    val dnsServers = MutableStateFlow("")
    val tlsCertificateFile = MutableStateFlow(false)
    val verifyServer = MutableStateFlow(false)
    val caFile = MutableStateFlow(false)
    val userAgent = MutableStateFlow("")
    val uniqueContactUri =  MutableStateFlow(true)
    val batteryOptimizations = MutableStateFlow(false)
    val darkTheme = MutableStateFlow(false)
    val dynamicColors = MutableStateFlow(false)
    val colorblind = MutableStateFlow(false)
    val proximitySensing = MutableStateFlow(false)
    val defaultDialer = MutableStateFlow(false)
    val mobileAccount = MutableStateFlow(true)
    val defaultMessaging = MutableStateFlow(false)
    val debug = MutableStateFlow(false)
    val sipTrace = MutableStateFlow(false)

    var restart by mutableStateOf(false)
    var save by mutableStateOf(false)

    private var isLoaded = false

    fun loadSettings(ctx: Context) {

        if (isLoaded || !Config.isInitialized()) return else isLoaded = true

        autoStart.value = Config.variable("auto_start") == "yes"

        listenAddress.value = Config.variable("sip_listen")

        addressFamily.value = Config.variable("net_af").lowercase()

        transportProtocols.value = Config.variable("sip_transports")

        dnsServers.value = Config.dnsServers()

        tlsCertificateFile.value = File(BaresipService.filesPath + "/cert.pem").exists()

        verifyServer.value = Config.variable("sip_verify_server") == "yes"

        caFile.value = File(BaresipService.filesPath + "/ca_certs.crt").exists()

        userAgent.value = Config.variable("user_agent")

        uniqueContactUri.value =  Config.variable("sip_cuser_random") == "yes"

        val powerManager = ctx.getSystemService(POWER_SERVICE) as PowerManager
        batteryOptimizations.value = !powerManager.isIgnoringBatteryOptimizations(ctx.packageName)

        darkTheme.value = Preferences(ctx).displayTheme == AppCompatDelegate.MODE_NIGHT_YES

        dynamicColors.value = BaresipService.dynamicColors.value

        colorblind.value = Config.variable("colorblind") == "yes"

        proximitySensing.value = Config.variable("proximity_sensing") == "yes"

        if (Build.VERSION.SDK_INT >= 29) {
            val roleManager = ctx.getSystemService(ROLE_SERVICE) as RoleManager
            defaultDialer.value = roleManager.isRoleHeld(RoleManager.ROLE_DIALER)
            mobileAccount.value = BaresipService.mobileAccount
            defaultMessaging.value = roleManager.isRoleHeld(RoleManager.ROLE_SMS)
        }

        debug.value = Config.variable("log_level") == "0"

        sipTrace.value = BaresipService.sipTrace
    }

}