package mx.trackermap.TrackerMap.android.session

import androidx.lifecycle.MutableLiveData
import androidx.lifecycle.SavedStateHandle
import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
import com.zhuinden.eventemitter.EventEmitter
import com.zhuinden.eventemitter.EventSource
import kotlinx.coroutines.DelicateCoroutinesApi
import kotlinx.coroutines.flow.collect
import kotlinx.coroutines.launch
import mx.trackermap.TrackerMap.client.models.SessionBody
import mx.trackermap.TrackerMap.controllers.SessionController
import org.koin.core.component.KoinComponent
import org.koin.core.component.inject

@DelicateCoroutinesApi
class LoginViewModel : ViewModel(), KoinComponent {

    private val sessionController: SessionController by inject()

    private val loginStateEmitter = EventEmitter<SessionController.LoginState>()
    val loginState: EventSource<SessionController.LoginState> = loginStateEmitter

    init {
        viewModelScope.launch {
            setupLoginStateObserver()
        }
    }

    private suspend fun setupLoginStateObserver() {
        sessionController.loginStateFlow.collect {
            it?.let {
                loginStateEmitter.emit(it)
            }
        }
    }

    fun restoreSession() {
        sessionController.restoreSession()
    }

    fun login(email: String, password: String, token: String?) {
        sessionController.login(SessionBody(email, password, token))
    }
}