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package mx.trackermap.TrackerMap.android.details.reports
import android.util.Log
import androidx.lifecycle.*
import kotlinx.coroutines.DelicateCoroutinesApi
import java.text.SimpleDateFormat
import kotlinx.coroutines.flow.collect
import kotlinx.coroutines.launch
import mx.trackermap.TrackerMap.client.apis.ReportsApi
import mx.trackermap.TrackerMap.client.models.*
import mx.trackermap.TrackerMap.controllers.GeofencesController
import org.koin.core.component.KoinComponent
import org.koin.core.component.inject
import java.util.*
import java.util.Calendar
@DelicateCoroutinesApi
class UnitReportsViewModel(
private val reportsApi: ReportsApi,
savedStateHandle: SavedStateHandle
) : ViewModel(), KoinComponent {
sealed class Report {
class PositionsReport(val positions: Array<Position>) : Report()
class EventsReport(val events: Array<EventInformation>) : Report()
class StopsReport(val stops: Array<Stop>) : Report()
object LoadingReport: Report()
}
enum class ReportType {
POSITIONS, EVENTS, STOPS
}
enum class ReportPeriod {
DAY, WEEK, MONTH
}
private val geofenceController: GeofencesController by inject()
private var _deviceId = savedStateHandle.getLiveData("deviceId", 0)
private val _reportType: MutableLiveData<ReportType> = savedStateHandle.getLiveData("reportType", null)
private val _reportPeriod: MutableLiveData<ReportPeriod> =
savedStateHandle.getLiveData("reportPeriod", null)
private val _report: MutableLiveData<Report> = MutableLiveData()
private val _geofences: MutableLiveData<Map<Int, Geofence>> = MutableLiveData()
val deviceId: LiveData<Int> get() = _deviceId
val reportType: LiveData<ReportType> get() = _reportType
val reportPeriod: LiveData<ReportPeriod> get() = _reportPeriod
val report: LiveData<Report> get() = _report
val geofences: LiveData<Map<Int, Geofence>> get() = _geofences
private val dateFormat = SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", Locale.getDefault())
init {
viewModelScope.launch {
setupTypeObserver()
}
viewModelScope.launch {
setupPeriodObserver()
}
viewModelScope.launch {
setupGeofenceObserver()
}
}
private suspend fun setupTypeObserver() {
_reportType.asFlow().collect {
fetchReport()
}
}
private suspend fun setupPeriodObserver() {
_reportPeriod.asFlow().collect {
fetchReport()
}
}
private suspend fun setupGeofenceObserver() {
geofenceController.geofencesFlow.collect {
_geofences.postValue(it)
}
}
fun setDeviceId (id: Int) {
_deviceId.value = id
}
fun setReportType(reportType: ReportType) {
_reportType.value = reportType
}
fun setReportPeriod(reportPeriod: ReportPeriod) {
_reportPeriod.value = reportPeriod
}
fun getGeofence(id: Int): Geofence? = _geofences.value?.get(id)
private fun getDates(): Pair<Date, Date> {
val calendar = Calendar.getInstance()
val currentDate = calendar.time
calendar.add(
Calendar.DATE, when (_reportPeriod.value!!) {
ReportPeriod.DAY -> -1
ReportPeriod.WEEK -> -7
ReportPeriod.MONTH -> -30
}
)
val previousDate = calendar.time
return Pair(currentDate, previousDate)
}
private fun fetchReport() {
if (_reportType.value == null || _reportPeriod.value == null) {
return
}
val (currentDate, previousDate) = getDates()
Log.d("UnitReportsVM", "Current report type: ${_reportType.value.toString()}")
Log.d("UnitReportsVM", "Current report period: ${_reportPeriod.value.toString()}")
Log.d("UnitReportsVM", "Current date:${dateFormat.format(currentDate)}")
Log.d("UnitReportsVM", "Previous date:${dateFormat.format(previousDate)}")
_report.postValue(Report.LoadingReport)
viewModelScope.launch {
when (_reportType.value!!) {
ReportType.POSITIONS -> fetchPositions(previousDate, currentDate)
ReportType.EVENTS -> fetchEvents(previousDate, currentDate)
ReportType.STOPS -> fetchStops(previousDate, currentDate)
}
}
}
private suspend fun fetchPositions(from: Date, to: Date) {
Log.d("UnitReportsVM", "Fetching positions")
val result = reportsApi.reportsRouteGet(
dateFormat.format(from),
dateFormat.format(to),
_deviceId.value!!
)
Log.d("UnitReportsVM", "Positions report: $result")
_report.postValue(Report.PositionsReport(result))
}
private suspend fun fetchEvents(from: Date, to: Date) {
Log.d("UnitReportsVM", "Fetching events")
val positionsResult = reportsApi.reportsRouteGet(
dateFormat.format(from),
dateFormat.format(to),
_deviceId.value!!
)
val eventsResult = reportsApi.reportsEventsGet(
dateFormat.format(from),
dateFormat.format(to),
_deviceId.value!!
)
val result = mutableListOf<EventInformation>()
eventsResult.forEach { event ->
result.add(EventInformation(
event = event,
position = positionsResult.find { it.id == event.positionId }
))
}
Log.d("UnitReportsVM", "Events report: $result")
_report.postValue(Report.EventsReport(result.toTypedArray()))
}
private suspend fun fetchStops(from: Date, to: Date) {
Log.d("UnitReportsVM", "Fetching stops")
val result = reportsApi.reportsStopsGet(
dateFormat.format(from),
dateFormat.format(to),
_deviceId.value!!
)
Log.d("UnitReportsVM", "Stops report: $result")
_report.postValue(Report.StopsReport(result))
}
}
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