shared/src/commonMain/kotlin/mx/trackermap/TrackerMap/controllers/SessionController.kt


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package mx.trackermap.TrackerMap.controllers

import android.util.Log
import kotlinx.coroutines.DelicateCoroutinesApi
import kotlinx.coroutines.GlobalScope
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.launch
import mx.trackermap.TrackerMap.client.apis.SessionApi
import mx.trackermap.TrackerMap.client.models.SessionBody
import mx.trackermap.TrackerMap.client.models.User

@DelicateCoroutinesApi
class SessionController(
    private val sessionApi: SessionApi
) {
    sealed class LoginState {
        object Loading: LoginState()
        object EmailMissing : LoginState()
        object PasswordMissing : LoginState()
        object Failure : LoginState()
        object Success : LoginState()
    }

    val loginStateFlow = MutableStateFlow<LoginState?>(null)
    val userFlow = MutableStateFlow<User?>(null)

    fun restoreSession() {
        loginStateFlow.value = LoginState.Loading
        GlobalScope.launch {
            try {
                userFlow.value = sessionApi.sessionGet()
                Log.d("LoginViewModel", userFlow.value.toString())
                loginStateFlow.value = LoginState.Success
            } catch (e: Exception) {
                Log.d("LoginViewModel", "No session")
            }
        }
    }

    fun login(body: SessionBody) {
        val email = body.email.trim()
        val password = body.password.trim()

        if (email.isEmpty()) {
            loginStateFlow.value = LoginState.EmailMissing
            return
        }

        if (password.isEmpty()) {
            loginStateFlow.value = LoginState.PasswordMissing
            return
        }

        loginStateFlow.value = LoginState.Loading
        GlobalScope.launch {
            try {
                userFlow.value = sessionApi.sessionPost(email, password)
                Log.d("LoginViewModel", userFlow.value.toString())
                loginStateFlow.value = LoginState.Success
            } catch (e: Exception) {
                loginStateFlow.value = LoginState.Failure
            }
        }
    }
}