error shows

app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthAction.kt

@@ -1,6 +1,7 @@
 package ru.myitschool.work.ui.screen.auth
 
 sealed interface AuthAction {
-    data class ShowError(val message: String) : AuthAction
+    data class ShowError(val message: String?) : AuthAction
+    object LogIn : AuthAction
     
 }

app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthScreen.kt

@@ -1,5 +1,6 @@
 package ru.myitschool.work.ui.screen.auth
 
+import android.util.Log
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Spacer
@@ -28,6 +29,8 @@ import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavController
+import io.ktor.util.collections.setValue
+import ru.myitschool.work.App
 import ru.myitschool.work.R
 import ru.myitschool.work.core.OurConstants.SHABLON
 import ru.myitschool.work.core.TestIds
@@ -39,13 +42,18 @@ fun AuthScreen(
     navController: NavController
 ) {
     val state by viewModel.uiState.collectAsState()
-    viewModel.onIntent(AuthIntent.CheckLogIntent)
-
     LaunchedEffect(Unit) {
-        viewModel.actionFlow.collect {
+        viewModel.onIntent(AuthIntent.CheckLogIntent)
+    }
+
+    val event = viewModel.actionFlow.collectAsState(initial = null)
+
+    LaunchedEffect(event.value) {
+        if (event.value is AuthAction.LogIn) {
             navController.navigate(MainScreenDestination)
         }
     }
+    Log.d("AnnaKonda", state.javaClass.toString())
     Column(
         modifier = Modifier
             .fillMaxSize()
@@ -65,6 +73,7 @@ fun AuthScreen(
                     modifier = Modifier.size(64.dp)
                 )
             }
+
             is AuthState.LoggedIn -> {
                 navController.navigate(MainScreenDestination)
             }
@@ -78,10 +87,21 @@ private fun Content(
     state: AuthState.Data
 ) {
     var inputText by remember { mutableStateOf("") }
-    var errorText : String? by remember { mutableStateOf(null) }
+    var errorText: String? by remember { mutableStateOf(null) }
+
+    val event = viewModel.actionFlow.collectAsState(initial = null)
+
+    LaunchedEffect(event.value) {
+        if (event.value is AuthAction.ShowError) {
+            errorText = (event.value as AuthAction.ShowError).message
+        }
+    }
+
     Spacer(modifier = Modifier.size(16.dp))
     TextField(
-        modifier = Modifier.testTag(TestIds.Auth.CODE_INPUT).fillMaxWidth(),
+        modifier = Modifier
+            .testTag(TestIds.Auth.CODE_INPUT)
+            .fillMaxWidth(),
         value = inputText,
         onValueChange = {
             inputText = it
@@ -91,22 +111,20 @@ private fun Content(
     )
     Spacer(modifier = Modifier.size(16.dp))
     Button(
-        modifier = Modifier.testTag(TestIds.Auth.SIGN_BUTTON).fillMaxWidth(),
+        modifier = Modifier
+            .testTag(TestIds.Auth.SIGN_BUTTON)
+            .fillMaxWidth(),
         onClick = {
-            if (!inputText.isEmpty() && inputText.length == 4 && inputText.matches(Regex(SHABLON))){
+            if (!inputText.isEmpty() && inputText.length == 4 && inputText.matches(Regex(SHABLON))) {
                 viewModel.onIntent(AuthIntent.Send(inputText))
+            } else {
+                errorText = App.context.getString(R.string.auth_nasty_code)
             }
         },
         enabled = true
 
     ) { Text(stringResource(R.string.auth_sign_in)) }
-    ShowError(errorText) // TODO: раскидать в коде когда показывается ошибка и когда нет
+    if (errorText != null) {
-
+        Text(errorText.toString(), modifier = Modifier.testTag(TestIds.Auth.ERROR))
-}
-
-@Composable
-fun ShowError(text : String?){
-    if (text != null){
-        Text(text, modifier = Modifier.testTag(TestIds.Auth.ERROR))
     }
 }

app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthViewModel.kt

@@ -1,6 +1,7 @@
 package ru.myitschool.work.ui.screen.auth
 
 import android.util.Log
+import androidx.compose.ui.res.stringResource
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import kotlinx.coroutines.Dispatchers
@@ -11,6 +12,8 @@ import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
+import ru.myitschool.work.App
+import ru.myitschool.work.R
 import ru.myitschool.work.data.repo.AuthRepository
 import ru.myitschool.work.data.source.DataStoreDataSource.authFlow
 import ru.myitschool.work.domain.auth.CheckAndSaveAuthCodeUseCase
@@ -37,19 +40,23 @@ class AuthViewModel : ViewModel() {
                             if (error.message != null) {
                                 _actionFlow.emit(AuthAction.ShowError(error.message.toString()))
                             }
+                            _uiState.update { AuthState.Data }
                         }
                     )
                 }
             }
+
             is AuthIntent.TextInput -> Unit
             is AuthIntent.CheckLogIntent -> {
                 viewModelScope.launch {
                     _uiState.update { AuthState.Loading }
                     authFlow().collect {
                         Log.d("AnnaKonda", it)
-                        if (it != "0"){
+                        if (it != "0") {
+                            _actionFlow.emit(AuthAction.LogIn)
                             _uiState.update { AuthState.LoggedIn }
                         } else {
+                            _actionFlow.emit(AuthAction.ShowError(App.context.getString(R.string.auth_wrong_code)))
                             _uiState.update { AuthState.Data }
                         }
                     }
@@ -57,5 +64,4 @@ class AuthViewModel : ViewModel() {
             }
         }
     }
-
 }

app/src/main/res/values/strings.xml

@@ -4,4 +4,6 @@
     <string name="auth_title">Привет! Введи код для авторизации</string>
     <string name="auth_label">Код</string>
     <string name="auth_sign_in">Войти</string>
+    <string name="auth_wrong_code">Введён неверный код</string>
+    <string name="auth_nasty_code">Неправильный формат кода</string>
 </resources>