Merge branch 'ellenhp/distance_unit_in_navigation' into 'main'

import androidx.compose.runtime.Composable

import androidx.compose.runtime.collectAsState

import androidx.compose.runtime.getValue

import androidx.compose.runtime.remember

import androidx.compose.ui.Alignment

import androidx.compose.ui.Modifier

import androidx.compose.ui.graphics.Color

import androidx.lifecycle.ViewModel

import androidx.lifecycle.viewModelScope

import com.stadiamaps.ferrostar.composeui.config.NavigationViewComponentBuilder

import com.stadiamaps.ferrostar.composeui.formatting.DistanceMeasurementSystem

import com.stadiamaps.ferrostar.composeui.formatting.LocalizedDistanceFormatter

import com.stadiamaps.ferrostar.composeui.models.CameraControlState

import com.stadiamaps.ferrostar.composeui.theme.DefaultInstructionRowTheme

import com.stadiamaps.ferrostar.composeui.theme.DefaultRoadNameViewTheme

import com.stadiamaps.ferrostar.composeui.views.components.TripProgressView

import com.stadiamaps.ferrostar.core.NavigationUiState

import dagger.hilt.android.lifecycle.HiltViewModel

import earth.maps.cardinal.data.AppPreferenceRepository

import earth.maps.cardinal.data.AppPreferences

import kotlinx.coroutines.delay

import kotlinx.coroutines.flow.MutableStateFlow

import kotlinx.coroutines.launch

import javax.inject.Inject

import javax.inject.Singleton

import kotlin.time.Clock

import kotlin.time.Duration.Companion.seconds

import kotlin.time.ExperimentalTime

import kotlin.time.Instant

object CardinalNavigationUITheme : NavigationUITheme {

    override val instructionRowTheme: InstructionRowTheme

@Composable

fun CardinalInstructionsView(modifier: Modifier, uiState: NavigationUiState) {

    val viewModel: NavigationChromeViewModel = hiltViewModel()

    val distanceUnit by viewModel.distanceUnits.collectAsState()

    val distanceMeasurementSystem = if (distanceUnit == AppPreferences.DISTANCE_UNIT_METRIC) {

        DistanceMeasurementSystem.SI

    } else {

        DistanceMeasurementSystem.IMPERIAL

    }

    val formatter = remember(distanceMeasurementSystem) { LocalizedDistanceFormatter(distanceMeasurementSystemOverride = distanceMeasurementSystem) }

    uiState.visualInstruction?.let { instructions ->

        InstructionsView(

            modifier = modifier,

            instructions = instructions,

            theme = CardinalNavigationUITheme.instructionRowTheme,

            remainingSteps = uiState.remainingSteps,

            distanceFormatter = formatter,

            distanceToNextManeuver = uiState.progress?.distanceToNextManeuver

        )

    }

    uiState: NavigationUiState,

    onTapExit: (() -> Unit)?

) {

    val viewModel: ProgressViewModel = hiltViewModel()

    val viewModel: NavigationChromeViewModel = hiltViewModel()

    val now by viewModel.now.collectAsState()

    val distanceUnit by viewModel.distanceUnits.collectAsState()

    val distanceMeasurementSystem = if (distanceUnit == AppPreferences.DISTANCE_UNIT_METRIC) {

        DistanceMeasurementSystem.SI

    } else {

        DistanceMeasurementSystem.IMPERIAL

    }

    val distanceFormatter = remember(distanceMeasurementSystem) { LocalizedDistanceFormatter(distanceMeasurementSystemOverride = distanceMeasurementSystem) }

    uiState.progress?.let { progress ->

        TripProgressView(

            modifier = modifier,

            theme = CardinalNavigationUITheme.tripProgressViewTheme,

            progress = progress,

            onTapExit = onTapExit,

            distanceFormatter = distanceFormatter,

            fromDate = now,

        )

    }

@OptIn(ExperimentalTime::class)

@HiltViewModel

class ProgressViewModel @Inject constructor(): ViewModel() {

class NavigationChromeViewModel @Inject constructor(

    appPreferences: AppPreferenceRepository

): ViewModel() {

    val now = MutableStateFlow(Clock.System.now())

    val distanceUnits = appPreferences.distanceUnit

    private var cleared = false

    init {