5 changed files with 94 additions and 47 deletions
--- a/app/src/main/java/ru/myitschool/work/ui/Composables.kt
+++ b/app/src/main/java/ru/myitschool/work/ui/Composables.kt
@@ -1,6 +1,7 @@
 package ru.myitschool.work.ui

 import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.RowScope
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
@@ -25,6 +26,8 @@ import androidx.compose.ui.unit.sp
 import ru.myitschool.work.R
 import ru.myitschool.work.ui.theme.Black
 import ru.myitschool.work.ui.theme.Gray
+import ru.myitschool.work.ui.theme.LightBlue
+import ru.myitschool.work.ui.theme.LightGray
 import ru.myitschool.work.ui.theme.Typography
 import ru.myitschool.work.ui.theme.White

@@ -120,16 +123,14 @@ fun BaseText14(
@Composable
 fun BaseInputText(
    placeholder: String= "",
-    modifier: Modifier = Modifier
+    modifier: Modifier = Modifier,
+    valueChange: (String) -> Unit,
+    value: String
 ) {

-    var textState by remember { mutableStateOf("") }
-
    TextField(
-        value = textState,
-        onValueChange = {
-            textState = it
-        },
+        value = value,
+        onValueChange = valueChange,
        shape = RoundedCornerShape(16.dp),
        placeholder = {
            BaseText16(
@@ -139,6 +140,8 @@ fun BaseInputText(
        },
        textStyle = Typography.bodySmall.copy(fontSize = 16.sp),
        colors = TextFieldDefaults.colors(
+            focusedContainerColor = LightBlue,
+            unfocusedContainerColor = LightBlue,
            focusedIndicatorColor = Color.Transparent,
            unfocusedIndicatorColor = Color.Transparent,
            disabledIndicatorColor = Color.Transparent,
@@ -169,6 +172,7 @@ fun BaseText20(

@Composable
 fun BaseButton(
+    enable: Boolean = true,
    text: String,
    btnColor: Color,
    btnContentColor: Color,
@@ -177,12 +181,13 @@ fun BaseButton(
    modifier: Modifier = Modifier.fillMaxWidth()
 ) {
    Button(
+        enabled = enable,
        onClick = onClick,
        colors = ButtonDefaults.buttonColors(
            containerColor = btnColor,
            contentColor = btnContentColor,
-            disabledContainerColor = btnColor,
-            disabledContentColor = btnContentColor
+            disabledContainerColor = LightGray,
+            disabledContentColor = Gray
        ),
        modifier = modifier,
        shape = RoundedCornerShape(16.dp),
--- a/app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthScreen.kt
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthScreen.kt
@@ -26,6 +26,7 @@ import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavController
 import ru.myitschool.work.R
@@ -40,7 +41,6 @@ import ru.myitschool.work.ui.theme.Blue
 import ru.myitschool.work.ui.theme.Red
 import ru.myitschool.work.ui.theme.White

-
@Composable
 fun AuthScreen(
    viewModel: AuthViewModel = viewModel(),
@@ -62,29 +62,46 @@ fun AuthScreen(
        Column(
            modifier = Modifier.padding(vertical = 20.dp)
        ) {
+
+            val textState by viewModel.textState.collectAsStateWithLifecycle()
+            val errorState by viewModel.errorState.collectAsStateWithLifecycle()
+
            BaseInputText(
+                value = textState,
                placeholder = stringResource(R.string.auth_label),
-                modifier = Modifier.fillMaxWidth()
+                modifier = Modifier
+                    .testTag(TestIds.Auth.CODE_INPUT)
+                    .fillMaxWidth(),
+                valueChange = {viewModel.updateText(it)}
            )

-            BaseText12(
-                text = "Недействительный код сотрудника",
-                color = Red,
-                modifier = Modifier
-                    .padding(
-                        start = 10.dp,
-                        top = 5.dp,
-                        bottom = 0.dp
-                    )
-                    .fillMaxWidth()
-            )
+            if (errorState) {
+                BaseText12(
+                    text = "Недействительный код сотрудника",
+                    color = Red,
+                    modifier = Modifier
+                        .testTag(TestIds.Auth.ERROR)
+                        .padding(
+                            start = 10.dp,
+                            top = 5.dp,
+                            bottom = 0.dp
+                        )
+                        .fillMaxWidth()
+                )
+            }
        }

+        val isButtonEnabled by viewModel.isButtonEnabled.collectAsStateWithLifecycle()
+
        BaseButton(
            text = stringResource(R.string.auth_sign_in),
            onClick = { navController.navigate(MainScreenDestination)},
            btnColor = Blue,
-            btnContentColor = White
+            enable = isButtonEnabled,
+            btnContentColor = White,
+            modifier = Modifier
+                .testTag(TestIds.Auth.SIGN_BUTTON)
+                .fillMaxWidth()
        )
    }
 }
--- a/app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthViewModel.kt
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthViewModel.kt
@@ -1,43 +1,66 @@
 package ru.myitschool.work.ui.screen.auth

+import androidx.compose.runtime.mutableIntStateOf
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.SharedFlow
+import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
 import ru.myitschool.work.data.repo.AuthRepository
 import ru.myitschool.work.domain.auth.CheckAndSaveAuthCodeUseCase

 class AuthViewModel : ViewModel() {
-    private val checkAndSaveAuthCodeUseCase by lazy { CheckAndSaveAuthCodeUseCase(AuthRepository) }
-    private val _uiState = MutableStateFlow<AuthState>(AuthState.Data)
-    val uiState: StateFlow<AuthState> = _uiState.asStateFlow()
+//    private val checkAndSaveAuthCodeUseCase by lazy { CheckAndSaveAuthCodeUseCase(AuthRepository) }
+//    private val _uiState = MutableStateFlow<AuthState>(AuthState.Data)
+//    val uiState: StateFlow<AuthState> = _uiState.asStateFlow()
+//
+//    private val _actionFlow: MutableSharedFlow<Unit> = MutableSharedFlow()
+//    val actionFlow: SharedFlow<Unit> = _actionFlow
+//
+//    fun onIntent(intent: AuthIntent) {
+//        when (intent) {
+//            is AuthIntent.Send -> {
+//                viewModelScope.launch(Dispatchers.Default) {
+//                    _uiState.update { AuthState.Loading }
+//                    checkAndSaveAuthCodeUseCase.invoke("9999").fold(
+//                        onSuccess = {
+//                            _actionFlow.emit(Unit)
+//                        },
+//                        onFailure = { error ->
+//                            error.printStackTrace()
+//                            _actionFlow.emit(Unit)
+//                        }
+//                    )
+//                }
+//            }
+//            is AuthIntent.TextInput -> Unit
+//        }
+//    }

-    private val _actionFlow: MutableSharedFlow<Unit> = MutableSharedFlow()
-    val actionFlow: SharedFlow<Unit> = _actionFlow
+    private val _textState = MutableStateFlow("")
+    val textState: StateFlow<String> = _textState.asStateFlow()

-    fun onIntent(intent: AuthIntent) {
-        when (intent) {
-            is AuthIntent.Send -> {
-                viewModelScope.launch(Dispatchers.Default) {
-                    _uiState.update { AuthState.Loading }
-                    checkAndSaveAuthCodeUseCase.invoke("9999").fold(
-                        onSuccess = {
-                            _actionFlow.emit(Unit)
-                        },
-                        onFailure = { error ->
-                            error.printStackTrace()
-                            _actionFlow.emit(Unit)
-                        }
-                    )
-                }
-            }
-            is AuthIntent.TextInput -> Unit
-        }
+    private val _errorState = MutableStateFlow(false)
+    val errorState: StateFlow<Boolean> =  _errorState.asStateFlow()
+
+    fun updateText(newText: String) {
+        _textState.value = newText
+        _errorState.value = false
    }
+
+    val isButtonEnabled: StateFlow<Boolean> =
+        _textState.map { it.length == 4 && it.matches(Regex("^[a-zA-Z0-9]*\$"))}
+            .stateIn(
+                scope = viewModelScope,
+                started = SharingStarted.WhileSubscribed(5000),
+                initialValue = false
+            )
 }
--- a/app/src/main/java/ru/myitschool/work/ui/theme/Color.kt
+++ b/app/src/main/java/ru/myitschool/work/ui/theme/Color.kt
@@ -14,6 +14,8 @@ val Blue = Color(0xFF004BFF)

 val Gray = Color(0xFF777777)

+val LightBlue = Color(0xFFF2EFFF)
+
 val White = Color(0xFFFFFFFF)

 val Red = Color(0xFFFF4D4D)
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,7 +1,7 @@
 <resources>
    <string name="app_name">Work</string>
    <string name="title_activity_root">RootActivity</string>
-    <string name="auth_title">Привет! Введи код для авторизации</string>
+    <string name="auth_title">Введите код для авторизации</string>
    <string name="auth_label">Код</string>
    <string name="auth_sign_in">Войти</string>
 </resources>