diff --git a/app/src/main/java/ru/myitschool/work/core/Constants.kt b/app/src/main/java/ru/myitschool/work/core/Constants.kt
index a8b7cc5..690c2b0 100644
--- a/app/src/main/java/ru/myitschool/work/core/Constants.kt
+++ b/app/src/main/java/ru/myitschool/work/core/Constants.kt
@@ -1,7 +1,7 @@
 package ru.myitschool.work.core
 
 object Constants {
-    const val HOST = "http://10.0.2.2:8080"
+    const val HOST = "http://192.168.1.74:8080"
     const val AUTH_URL = "/auth"
     const val INFO_URL = "/info"
     const val BOOKING_URL = "/booking"
diff --git a/app/src/main/java/ru/myitschool/work/data/repo/AuthRepository.kt b/app/src/main/java/ru/myitschool/work/data/repo/AuthRepository.kt
index 3ef28f1..1807f66 100644
--- a/app/src/main/java/ru/myitschool/work/data/repo/AuthRepository.kt
+++ b/app/src/main/java/ru/myitschool/work/data/repo/AuthRepository.kt
@@ -1,16 +1,42 @@
 package ru.myitschool.work.data.repo
 
+import android.content.Context
+import android.util.Log
+import ru.myitschool.work.App
 import ru.myitschool.work.data.source.NetworkDataSource
 
 object AuthRepository {
 
     private var codeCache: String? = null
+    private const val PREF_NAME = "auth_prefs"
+    private const val KEY_SAVED_CODE = "saved_code"
+    private val context: Context get() = App.context
 
-    suspend fun checkAndSave(text: String): Result<Boolean> {
-        return NetworkDataSource.checkAuth(text).onSuccess { success ->
-            if (success) {
-                codeCache = text
+    private fun loadSavedCode(): String? {
+        return context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE)
+            .getString(KEY_SAVED_CODE, null)
+    }
+
+    fun getSavedCode(): String? = loadSavedCode()
+
+    suspend fun checkAndSave(text: String): Result<Unit> {
+        return NetworkDataSource.checkAuth(text).fold(
+            onSuccess = { success ->
+                if (success) {
+                    codeCache = text
+                    context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE)
+                        .edit()
+                        .putString(KEY_SAVED_CODE, text)
+                        .apply()
+                    Result.success(Unit)
+                } else {
+                    Result.failure(IllegalStateException("Неверный код для авторизации"))
+                }
+            },
+            onFailure = { error ->
+                Log.e("AuthRepository", "Auth failed", error)
+                Result.failure(error)
             }
-        }
+        )
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/data/repo/BookRepository.kt b/app/src/main/java/ru/myitschool/work/data/repo/BookRepository.kt
new file mode 100644
index 0000000..d36e059
--- /dev/null
+++ b/app/src/main/java/ru/myitschool/work/data/repo/BookRepository.kt
@@ -0,0 +1,14 @@
+package ru.myitschool.work.data.repo
+
+import ru.myitschool.work.data.source.NetworkDataSource
+import ru.myitschool.work.ui.screen.BookingItem
+
+object BookRepository {
+    suspend fun loadBooks(code: String): Result<Map<String, List<BookingItem>>> {
+        return NetworkDataSource.getFreeBooking(code)
+    }
+
+    suspend fun sendData(code: String, data: String,  placeId: Int) : Result<Boolean> {
+        return NetworkDataSource.createNewBooking(code, data, placeId)
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/data/repo/MainRepository.kt b/app/src/main/java/ru/myitschool/work/data/repo/MainRepository.kt
new file mode 100644
index 0000000..aff98a4
--- /dev/null
+++ b/app/src/main/java/ru/myitschool/work/data/repo/MainRepository.kt
@@ -0,0 +1,16 @@
+package ru.myitschool.work.data.repo
+
+import androidx.core.content.edit
+import ru.myitschool.work.data.source.NetworkDataSource
+import ru.myitschool.work.ui.screen.UserInfo
+
+object MainRepository {
+    suspend fun loadUserInfo(code: String): Result<UserInfo> {
+        return NetworkDataSource.getInfo(code)
+    }
+    fun clearAuth() {
+        val prefs = ru.myitschool.work.App.context
+            .getSharedPreferences("auth_prefs", android.content.Context.MODE_PRIVATE)
+        prefs.edit { clear() }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/data/source/NetworkDataSource.kt b/app/src/main/java/ru/myitschool/work/data/source/NetworkDataSource.kt
index fbdfef5..cea8a13 100644
--- a/app/src/main/java/ru/myitschool/work/data/source/NetworkDataSource.kt
+++ b/app/src/main/java/ru/myitschool/work/data/source/NetworkDataSource.kt
@@ -1,16 +1,26 @@
 package ru.myitschool.work.data.source
 
+import android.util.Log
 import io.ktor.client.HttpClient
+import io.ktor.client.call.body
 import io.ktor.client.engine.cio.CIO
 import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
 import io.ktor.client.request.get
+import io.ktor.client.request.post
+import io.ktor.client.request.setBody
 import io.ktor.client.statement.bodyAsText
+import io.ktor.http.ContentType
 import io.ktor.http.HttpStatusCode
+import io.ktor.http.contentType
 import io.ktor.serialization.kotlinx.json.json
+import io.ktor.utils.io.InternalAPI
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 import kotlinx.serialization.json.Json
 import ru.myitschool.work.core.Constants
+import ru.myitschool.work.ui.screen.BookingItem
+import ru.myitschool.work.ui.screen.CreateBookingRequest
+import ru.myitschool.work.ui.screen.UserInfo
 
 object NetworkDataSource {
     private val client by lazy {
@@ -28,15 +38,62 @@ object NetworkDataSource {
         }
     }
 
+
     suspend fun checkAuth(code: String): Result<Boolean> = withContext(Dispatchers.IO) {
         return@withContext runCatching {
             val response = client.get(getUrl(code, Constants.AUTH_URL))
+            Log.d("NetworkDataSource", "Auth response: ${response.status}")
             when (response.status) {
                 HttpStatusCode.OK -> true
-                else -> error(response.bodyAsText())
+                else -> error("Неверный код для авторизации")
+            }
+        }.onFailure { error ->
+            Log.e("NetworkDataSource", "Auth request failed", error)
+        }
+    }
+    suspend fun getInfo(code: String): Result<UserInfo> = withContext(Dispatchers.IO){
+        return@withContext runCatching {
+            val response = client.get(getUrl(code, Constants.INFO_URL))
+            when(response.status){
+                HttpStatusCode.OK -> {
+                    response.body<UserInfo>()
+                }
+                else -> error("Ошибка получения данных")
             }
         }
     }
 
+
+    suspend fun getFreeBooking(code: String): Result<Map<String, List<BookingItem>>> =
+        withContext(Dispatchers.IO) {
+            runCatching {
+                val response = client.get(getUrl(code, Constants.BOOKING_URL))
+                when (response.status) {
+                    HttpStatusCode.OK -> {
+                        // Используйте response.body с явным указанием типа
+                        response.body<Map<String, List<BookingItem>>>()
+                    }
+                    else -> error(response.bodyAsText())
+                }
+            }
+        }
+
+
+    @OptIn(InternalAPI::class)
+    suspend fun createNewBooking(code: String, data: String, placeId: Int): Result<Boolean> =
+        withContext(Dispatchers.IO) {
+            return@withContext runCatching {
+                val response = client.post(getUrl(code, Constants.BOOK_URL)) {
+                    contentType(ContentType.Application.Json)
+                    setBody(CreateBookingRequest(data, placeId)) // используйте setBody вместо body
+                }
+
+                when (response.status) {
+                    HttpStatusCode.OK -> true
+                    else -> error(response.bodyAsText())
+                }
+            }
+        }
+
     private fun getUrl(code: String, targetUrl: String) = "${Constants.HOST}/api/$code$targetUrl"
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/domain/auth/CheckAndSaveAuthCodeUseCase.kt b/app/src/main/java/ru/myitschool/work/domain/auth/CheckAndSaveAuthCodeUseCase.kt
index 012fb6f..733d95c 100644
--- a/app/src/main/java/ru/myitschool/work/domain/auth/CheckAndSaveAuthCodeUseCase.kt
+++ b/app/src/main/java/ru/myitschool/work/domain/auth/CheckAndSaveAuthCodeUseCase.kt
@@ -5,11 +5,7 @@ import ru.myitschool.work.data.repo.AuthRepository
 class CheckAndSaveAuthCodeUseCase(
     private val repository: AuthRepository
 ) {
-    suspend operator fun invoke(
-        text: String
-    ): Result<Unit> {
-        return repository.checkAndSave(text).mapCatching { success ->
-            if (!success) error("Code is incorrect")
-        }
+    suspend operator fun invoke(text: String): Result<Unit> {
+        return repository.checkAndSave(text)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/BookingUserInfo.kt b/app/src/main/java/ru/myitschool/work/ui/screen/BookingUserInfo.kt
new file mode 100644
index 0000000..0874863
--- /dev/null
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/BookingUserInfo.kt
@@ -0,0 +1,38 @@
+package ru.myitschool.work.ui.screen
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class UserInfo(
+    val name: String,
+    val photoUrl: String? = null,
+    val booking: Map<String, List<BookingItem>>
+) {
+    fun bookingToList() : List<Booking> {
+        val bookings = mutableListOf<Booking>()
+        booking.forEach {
+            it.value.forEach { value ->
+                bookings.add(Booking(it.key, value.place))
+            }
+        }
+        return bookings
+    }
+}
+
+@Serializable
+data class Booking(
+    val date: String,
+    val place: String
+)
+
+@Serializable
+data class BookingItem(
+    val id: Int,
+    val place: String
+)
+
+@Serializable
+data class CreateBookingRequest(
+    val date: String,
+    val placeId: Int
+)
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/NavigationGraph.kt b/app/src/main/java/ru/myitschool/work/ui/screen/NavigationGraph.kt
index 01b0f32..c662bb9 100644
--- a/app/src/main/java/ru/myitschool/work/ui/screen/NavigationGraph.kt
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/NavigationGraph.kt
@@ -1,12 +1,11 @@
 package ru.myitschool.work.ui.screen
 
+import android.util.Log
 import androidx.compose.animation.EnterTransition
 import androidx.compose.animation.ExitTransition
-import androidx.compose.foundation.layout.Box
-import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavHostController
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
@@ -15,6 +14,8 @@ import ru.myitschool.work.ui.nav.AuthScreenDestination
 import ru.myitschool.work.ui.nav.BookScreenDestination
 import ru.myitschool.work.ui.nav.MainScreenDestination
 import ru.myitschool.work.ui.screen.auth.AuthScreen
+import ru.myitschool.work.ui.screen.book.BookScreen
+import ru.myitschool.work.ui.screen.main.MainScreen
 
 @Composable
 fun AppNavHost(
@@ -29,21 +30,19 @@ fun AppNavHost(
         startDestination = AuthScreenDestination,
     ) {
         composable<AuthScreenDestination> {
+            Log.d("compose", "Auth")
             AuthScreen(navController = navController)
         }
         composable<MainScreenDestination> {
-            Box(
-                contentAlignment = Alignment.Center
-            ) {
-                Text(text = "Hello")
-            }
+            Log.d("compose", "Main")
+            MainScreen(viewModel = viewModel(), navController)
         }
         composable<BookScreenDestination> {
-            Box(
-                contentAlignment = Alignment.Center
-            ) {
-                Text(text = "Hello")
-            }
+            Log.d("compose", "Book")
+            BookScreen(
+                viewModel = viewModel(),
+                navController = navController
+            )
         }
     }
 }
\ No newline at end of file
diff --git 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
index f99978e..d77ac73 100644
--- 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
@@ -21,7 +21,6 @@ import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextAlign
@@ -30,6 +29,7 @@ import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavController
 import ru.myitschool.work.R
 import ru.myitschool.work.core.TestIds
+import ru.myitschool.work.data.repo.AuthRepository
 import ru.myitschool.work.ui.nav.MainScreenDestination
 
 @Composable
@@ -45,6 +45,8 @@ fun AuthScreen(
         }
     }
 
+    AuthRepository.getSavedCode()?.let { viewModel.onIntent(AuthIntent.Send(it)) }
+
     Column(
         modifier = Modifier
             .fillMaxSize()
@@ -74,6 +76,11 @@ private fun Content(
     state: AuthState.Data
 ) {
     var inputText by remember { mutableStateOf("") }
+
+    val isValidCode = inputText.length == 4 && inputText.isNotEmpty() && inputText.none { it.isWhitespace() } && inputText.all { ch ->
+        ch in '0'..'9' || ch in 'A'..'Z' || ch in 'a'..'z'
+    }
+
     Spacer(modifier = Modifier.size(16.dp))
     TextField(
         modifier = Modifier.testTag(TestIds.Auth.CODE_INPUT).fillMaxWidth(),
@@ -82,15 +89,23 @@ private fun Content(
             inputText = it
             viewModel.onIntent(AuthIntent.TextInput(it))
         },
-        label = { Text(stringResource(R.string.auth_label)) }
+        label = { Text(stringResource(R.string.auth_label)) },
     )
+    if (state.error != null) {
+        Text(
+            text = state.error,
+            color = MaterialTheme.colorScheme.error,
+            modifier = Modifier
+                .testTag(TestIds.Auth.ERROR)
+        )
+    }
     Spacer(modifier = Modifier.size(16.dp))
     Button(
         modifier = Modifier.testTag(TestIds.Auth.SIGN_BUTTON).fillMaxWidth(),
         onClick = {
             viewModel.onIntent(AuthIntent.Send(inputText))
         },
-        enabled = true
+        enabled = isValidCode
     ) {
         Text(stringResource(R.string.auth_sign_in))
     }
diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthState.kt b/app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthState.kt
index a06ba76..9c1a8dc 100644
--- a/app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthState.kt
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/auth/AuthState.kt
@@ -2,5 +2,7 @@ package ru.myitschool.work.ui.screen.auth
 
 sealed interface AuthState {
     object Loading: AuthState
-    object Data: AuthState
+    data class Data(
+        val error: String? = null
+    ) : AuthState
 }
\ No newline at end of file
diff --git 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
index 3153640..e6d3779 100644
--- 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
@@ -15,7 +15,7 @@ import ru.myitschool.work.domain.auth.CheckAndSaveAuthCodeUseCase
 
 class AuthViewModel : ViewModel() {
     private val checkAndSaveAuthCodeUseCase by lazy { CheckAndSaveAuthCodeUseCase(AuthRepository) }
-    private val _uiState = MutableStateFlow<AuthState>(AuthState.Data)
+    private val _uiState = MutableStateFlow<AuthState>(AuthState.Data())
     val uiState: StateFlow<AuthState> = _uiState.asStateFlow()
 
     private val _actionFlow: MutableSharedFlow<Unit> = MutableSharedFlow()
@@ -24,20 +24,23 @@ class AuthViewModel : ViewModel() {
     fun onIntent(intent: AuthIntent) {
         when (intent) {
             is AuthIntent.Send -> {
-                viewModelScope.launch(Dispatchers.Default) {
+                viewModelScope.launch(Dispatchers.IO) {
                     _uiState.update { AuthState.Loading }
-                    checkAndSaveAuthCodeUseCase.invoke("9999").fold(
+                    checkAndSaveAuthCodeUseCase.invoke(intent.text).fold(
                         onSuccess = {
                             _actionFlow.emit(Unit)
                         },
                         onFailure = { error ->
-                            error.printStackTrace()
-                            _actionFlow.emit(Unit)
+                            _uiState.update {
+                                AuthState.Data(error.message ?: "Неверный код для авторизации")
+                            }
                         }
                     )
                 }
             }
-            is AuthIntent.TextInput -> Unit
+            is AuthIntent.TextInput -> {
+                _uiState.update { AuthState.Data() }
+            }
         }
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/book/BookIntent.kt b/app/src/main/java/ru/myitschool/work/ui/screen/book/BookIntent.kt
new file mode 100644
index 0000000..d983c38
--- /dev/null
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/book/BookIntent.kt
@@ -0,0 +1,8 @@
+package ru.myitschool.work.ui.screen.book
+
+sealed interface BookIntent {
+    data class Send(val code : String, val data: String, val placeId : Int) : BookIntent
+    data object BackToMainScreen : BookIntent
+    data object ToAuthScreen : BookIntent
+    data object LoadData : BookIntent
+}
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/book/BookScreen.kt b/app/src/main/java/ru/myitschool/work/ui/screen/book/BookScreen.kt
new file mode 100644
index 0000000..b76cd92
--- /dev/null
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/book/BookScreen.kt
@@ -0,0 +1,220 @@
+package ru.myitschool.work.ui.screen.book;
+
+import android.util.Log
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.selection.selectableGroup
+import androidx.compose.material3.Button
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.NavigationBar
+import androidx.compose.material3.NavigationBarItem
+import androidx.compose.material3.RadioButton
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.testTag
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import androidx.navigation.NavController
+import ru.myitschool.work.R
+import ru.myitschool.work.core.TestIds
+import ru.myitschool.work.data.repo.AuthRepository
+import ru.myitschool.work.ui.nav.AuthScreenDestination
+import ru.myitschool.work.ui.nav.MainScreenDestination
+import java.time.LocalDate
+import java.time.format.DateTimeFormatter
+
+
+@Composable
+fun BookScreen(
+    viewModel: BookViewModel = viewModel(),
+    navController: NavController,
+    modifier: Modifier = Modifier
+) {
+    val state by viewModel.uiState.collectAsState()
+
+    LaunchedEffect(Unit) {
+        Log.d("BookScreen", "1")
+        viewModel.navigationFlow.collect { event ->
+            Log.d("navigation", "Event received: $event")
+            when (event) {
+                BookNavigationEvent.NavigateToMain -> {
+                    Log.d("BookScreen", "3")
+                    navController.navigate(MainScreenDestination)
+                }
+                BookNavigationEvent.NavigateToAuth -> {
+                    Log.d("BookScreen", "4")
+                    navController.navigate(AuthScreenDestination) {
+                        Log.d("BookScreen", "5")
+                        popUpTo(navController.graph.startDestinationId) {
+                            Log.d("BookScreen", "6")
+                            inclusive = true
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    Column(
+        modifier = modifier.fillMaxSize()
+    ) {
+//        Text("" + selectedTime.value  + "," + currentTime.value + "," + selectedBooking.value)
+        when (state) {
+            is BookState.Data -> {
+                var selectedTime : String? by remember { mutableStateOf(null) }
+                var selectedBooking : Int? by remember { mutableStateOf(null) }
+                var currentTime : String? by remember { mutableStateOf(null) }
+
+                val options = (state as BookState.Data).booking
+
+                if (currentTime == null)
+                    for (el in options) {
+                        if (!el.value.isEmpty()) {
+                            currentTime = el.key
+                            break
+                        }
+                    }
+
+                NavigationBar(
+                    Modifier.fillMaxWidth()
+                ) {
+                    val inputFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd")
+                    val outputFormatter = DateTimeFormatter.ofPattern("dd.MM")
+
+                    options.keys
+                        .map { LocalDate.parse(it, inputFormatter) }
+                        .sorted()
+//                        .map { it.format(inputFormatter) }
+                        .forEachIndexed { index, label ->
+                            options[label.format(inputFormatter)]?.let {
+                                if (!it.isEmpty()) {
+                                    NavigationBarItem(
+                                        selected = currentTime == label.format(inputFormatter),
+                                        onClick = {
+                                            currentTime = label.format(inputFormatter)
+                                        },
+                                        icon = {
+                                            Text(
+                                                text = label.format(outputFormatter),
+                                                modifier = Modifier
+                                                    .testTag(TestIds.Book.ITEM_DATE)
+                                            )
+                                        },
+                                        modifier = Modifier
+                                            .testTag(TestIds.Book.getIdDateItemByPosition(index))
+                                    )
+                                }
+                            }
+                    }
+                }
+
+                LazyColumn(
+                    Modifier
+                        .fillMaxWidth()
+                ) {
+                    options[currentTime]?.forEach { book ->
+                        item {
+                            Row(
+                                Modifier
+                                    .fillMaxWidth()
+                                    .selectableGroup()
+                                    .testTag(TestIds.Book.getIdPlaceItemByPosition(book.id)),
+                                horizontalArrangement = Arrangement.SpaceBetween,
+                                verticalAlignment = Alignment.CenterVertically
+                            ) {
+                                Text(
+                                    text = book.place,
+                                    modifier = Modifier
+                                        .testTag(TestIds.Book.ITEM_PLACE_TEXT)
+                                )
+                                RadioButton(
+                                    selected = book.id == selectedBooking && currentTime == selectedTime,
+                                    onClick = {
+                                        selectedBooking = book.id
+                                        selectedTime = currentTime
+                                    },
+                                    modifier = Modifier
+                                        .testTag(TestIds.Book.ITEM_PLACE_SELECTOR)
+                                )
+                            }
+                        }
+                    }
+                }
+
+                Button(
+                    onClick = {
+                        viewModel.onIntent(BookIntent.Send(AuthRepository.getSavedCode()!!, selectedTime!!, selectedBooking!!))
+                    },
+                    modifier = Modifier
+                        .testTag(TestIds.Book.BOOK_BUTTON),
+                    enabled = selectedBooking != null
+                ) {
+                    Text(stringResource(R.string.to_book))
+                }
+            }
+
+            is BookState.Error -> {
+                Text(
+                    text = (state as BookState.Error).error,
+                    color = MaterialTheme.colorScheme.error,
+                    modifier = Modifier
+                        .testTag(TestIds.Book.ERROR)
+                )
+
+                Button(
+                    onClick = {
+                        viewModel.onIntent(BookIntent.LoadData)
+                    },
+                    modifier = Modifier
+                        .testTag(TestIds.Book.REFRESH_BUTTON)
+                ) {
+                    Text(stringResource(R.string.upadate)) // А что сюда писать?
+                }
+            }
+
+            BookState.Loading -> {
+                CircularProgressIndicator(
+                    modifier = Modifier
+                        .align(Alignment.CenterHorizontally)
+                        .size(64.dp)
+                )
+            }
+
+            BookState.NotData -> {
+                Text(
+                    text = stringResource(R.string.not_book),
+                    modifier = Modifier
+                        .testTag(TestIds.Book.EMPTY)
+                )
+            }
+        }
+        Button(
+            onClick = {
+                viewModel.onIntent(BookIntent.BackToMainScreen)
+            },
+            modifier = Modifier
+                .testTag(TestIds.Book.BACK_BUTTON)
+        ) {
+            Text(stringResource(R.string.back))
+        }
+    }
+}
+
+
+
+
diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/book/BookState.kt b/app/src/main/java/ru/myitschool/work/ui/screen/book/BookState.kt
new file mode 100644
index 0000000..ff8c214
--- /dev/null
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/book/BookState.kt
@@ -0,0 +1,14 @@
+package ru.myitschool.work.ui.screen.book
+
+import ru.myitschool.work.ui.screen.BookingItem
+
+sealed interface BookState {
+    object Loading: BookState
+    data class Data(
+        val booking: Map<String, List<BookingItem>> = mapOf()
+    ): BookState
+    data class Error(
+        val error : String
+    ): BookState
+    object NotData : BookState
+}
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/book/BookViewModel.kt b/app/src/main/java/ru/myitschool/work/ui/screen/book/BookViewModel.kt
new file mode 100644
index 0000000..787127d
--- /dev/null
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/book/BookViewModel.kt
@@ -0,0 +1,121 @@
+package ru.myitschool.work.ui.screen.book
+
+import android.util.Log
+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.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
+import ru.myitschool.work.data.repo.AuthRepository
+import ru.myitschool.work.data.repo.BookRepository
+
+class BookViewModel : ViewModel() {
+    private val _uiState = MutableStateFlow<BookState>(BookState.Loading)
+    val uiState: StateFlow<BookState> = _uiState.asStateFlow();
+    private val _navigationFlow = MutableSharedFlow<BookNavigationEvent>(replay = 0, extraBufferCapacity = 1)
+    val navigationFlow: SharedFlow<BookNavigationEvent> = _navigationFlow
+
+    init {
+        loadData()
+    }
+
+    private fun loadData() {
+        viewModelScope.launch(Dispatchers.IO) {
+            _uiState.update { BookState.Loading }
+            val code = AuthRepository.getSavedCode() ?: run {
+                _navigationFlow.emit(BookNavigationEvent.NavigateToAuth)
+                Log.d("", "Go to AuthScreen")
+                return@launch
+            }
+            Log.d("", "Проверка")
+//            _uiState.update {
+//                BookState.Data(
+//                    listOf(
+//                        Booking(
+//                            "19.04",
+//                            "Рабочее место у окна"
+//                        ),
+//                        Booking(
+//                            "19.04",
+//                            "Переговорная комната № 1"
+//                        ),
+//                        Booking(
+//                            "19.04",
+//                            "Коворкинг А"
+//                        ),
+//                        Booking(
+//                            "20.04",
+//                            "Кабинет № 33"
+//                        ),
+//                    ).toMap()
+//                )
+//            }
+            BookRepository.loadBooks(code).fold(
+                onSuccess = {
+                    it.let { bookings ->
+                        _uiState.update {
+                            Log.d("test", bookings.isEmpty().toString())
+                            when (!bookings.isEmpty()) {
+                                true -> BookState.Data(
+                                    booking = bookings
+                                )
+                                false -> BookState.NotData
+                            }
+                        }
+                    }
+                },
+                onFailure = { error ->
+                    _uiState.update {
+                        BookState.Error(
+                            error = error.message ?: "Не удалось загрузить данные"
+                        )
+                    }
+                }
+            )
+        }
+    }
+
+    fun onIntent(intent: BookIntent) {
+        when (intent) {
+            is BookIntent.Send -> {
+                viewModelScope.launch(Dispatchers.IO) {
+                    _uiState.update { BookState.Loading }
+                    BookRepository.sendData(intent.code, intent.data, intent.placeId).fold(
+                        onSuccess = {
+                            Log.d("send date", "success")
+                            _navigationFlow.emit(BookNavigationEvent.NavigateToMain)
+                        },
+                        onFailure = { error ->
+                            Log.d("send date", "error: $error")
+                            _uiState.update {
+                                BookState.Error(error.message ?: "Неизвестная ошибка")
+                            }
+                        }
+                    )
+                }
+            }
+            BookIntent.BackToMainScreen -> {
+                viewModelScope.launch {
+                    _navigationFlow.emit(BookNavigationEvent.NavigateToMain)
+                }
+            }
+            BookIntent.LoadData -> loadData()
+            BookIntent.ToAuthScreen -> {
+                viewModelScope.launch {
+                    _navigationFlow.emit(BookNavigationEvent.NavigateToAuth)
+                }
+            }
+        }
+    }
+}
+
+
+sealed interface BookNavigationEvent {
+    object NavigateToAuth : BookNavigationEvent
+    object NavigateToMain : BookNavigationEvent
+}
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/main/MainIntent.kt b/app/src/main/java/ru/myitschool/work/ui/screen/main/MainIntent.kt
new file mode 100644
index 0000000..d7b99f3
--- /dev/null
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/main/MainIntent.kt
@@ -0,0 +1,7 @@
+package ru.myitschool.work.ui.screen.main
+
+sealed interface MainIntent {
+    data object LoadData : MainIntent
+    data object Logout : MainIntent
+    data object AddBooking : MainIntent
+}
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/main/MainScreen.kt b/app/src/main/java/ru/myitschool/work/ui/screen/main/MainScreen.kt
new file mode 100644
index 0000000..507ac27
--- /dev/null
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/main/MainScreen.kt
@@ -0,0 +1,223 @@
+package ru.myitschool.work.ui.screen.main
+
+import android.util.Log
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.wrapContentSize
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.itemsIndexed
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material3.Button
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.platform.testTag
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import androidx.navigation.NavController
+import coil3.compose.AsyncImage
+import ru.myitschool.work.core.TestIds
+import ru.myitschool.work.ui.nav.AuthScreenDestination
+import ru.myitschool.work.ui.nav.BookScreenDestination
+import ru.myitschool.work.ui.screen.Booking
+
+@Composable
+fun MainScreen(
+    viewModel: MainViewModel = viewModel(),
+    navController: NavController
+) {
+    val state by viewModel.uiState.collectAsState()
+    LaunchedEffect(state) {
+        Log.d("MainScreen", "UI State: $state")
+    }
+    LaunchedEffect(viewModel) {
+        viewModel.navigationFlow.collect { event ->
+            when (event) {
+                MainNavigationEvent.NavigateToAuth -> {
+                    navController.navigate(AuthScreenDestination) {
+                        popUpTo(navController.graph.startDestinationId) { inclusive = true }
+                    }
+                }
+                MainNavigationEvent.NavigateToBook -> {
+                    navController.navigate(BookScreenDestination)
+                }
+            }
+        }
+    }
+
+    when (state) {
+        MainState.Loading -> {
+            CircularProgressIndicator(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .wrapContentSize(Alignment.Center)
+            )
+        }
+        is MainState.Content -> {
+            Content(
+                state = state as MainState.Content,
+                onRefresh = { viewModel.onIntent(MainIntent.LoadData) },
+                onLogout = { viewModel.onIntent(MainIntent.Logout) },
+                onAddBooking = { viewModel.onIntent(MainIntent.AddBooking) }
+            )
+        }
+        is MainState.ErrorOnly -> {
+            Column(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .padding(24.dp),
+                horizontalAlignment = Alignment.CenterHorizontally,
+                verticalArrangement = Arrangement.Center
+            ) {
+                Text(
+                    text = (state as MainState.ErrorOnly).message,
+                    color = MaterialTheme.colorScheme.error,
+                    modifier = Modifier.testTag(TestIds.Main.ERROR)
+                )
+                Spacer(modifier = Modifier.height(16.dp))
+                Button(
+                    onClick = { viewModel.onIntent(MainIntent.LoadData) },
+                    modifier = Modifier.testTag(TestIds.Main.REFRESH_BUTTON)
+                ) {
+                    Text("Обновить")
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun Content(
+    state: MainState.Content,
+    onRefresh: () -> Unit,
+    onLogout: () -> Unit,
+    onAddBooking: () -> Unit,
+    modifier: Modifier = Modifier
+) {
+    Column(
+        modifier = modifier
+            .fillMaxSize()
+            .padding(16.dp),
+        horizontalAlignment = Alignment.CenterHorizontally
+    ) {
+        state.userPhotoUrl?.let { url ->
+            AsyncImage(
+                model = url,
+                contentDescription = "Аватар",
+                modifier = Modifier
+                    .size(80.dp)
+                    .clip(CircleShape)
+                    .testTag(TestIds.Main.PROFILE_IMAGE)
+            )
+        }
+        state.userName?.let {
+            Text(
+                text = it,
+                style = MaterialTheme.typography.headlineSmall,
+                modifier = Modifier.testTag(TestIds.Main.PROFILE_NAME)
+            )
+        }
+
+        Spacer(modifier = Modifier.height(8.dp))
+        Row(
+            modifier = Modifier.fillMaxWidth(),
+            horizontalArrangement = Arrangement.SpaceBetween
+        ) {
+            Button(
+                onClick = onLogout,
+                modifier = Modifier.testTag(TestIds.Main.LOGOUT_BUTTON)
+            ) {
+                Text("Выйти")
+            }
+            Button(
+                onClick = onRefresh,
+                modifier = Modifier.testTag(TestIds.Main.REFRESH_BUTTON)
+            ) {
+                Text("Обновить")
+            }
+            Button(
+                onClick = onAddBooking,
+                modifier = Modifier.testTag(TestIds.Main.ADD_BUTTON)
+            ) {
+                Text("Забронировать")
+            }
+        }
+
+        Spacer(modifier = Modifier.height(16.dp))
+        if (state.error != null) {
+            Text(
+                text = state.error,
+                color = MaterialTheme.colorScheme.error,
+                modifier = Modifier.testTag(TestIds.Main.ERROR)
+            )
+            Spacer(modifier = Modifier.height(8.dp))
+        }
+        Text(
+            text = "Бронирования",
+            style = MaterialTheme.typography.titleMedium,
+            modifier = Modifier
+                .fillMaxWidth()
+                .testTag("main_bookings_title")
+        )
+
+        Spacer(modifier = Modifier.height(8.dp))
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 8.dp),
+            horizontalArrangement = Arrangement.SpaceBetween
+        ) {
+            Text(
+                text = "Дата",
+                style = MaterialTheme.typography.labelMedium,
+                modifier = Modifier.testTag("main_bookings_header_date")
+            )
+            Text(
+                text = "Место",
+                style = MaterialTheme.typography.labelMedium,
+                modifier = Modifier.testTag("main_bookings_header_place")
+            )
+        }
+
+        Spacer(modifier = Modifier.height(8.dp))
+        LazyColumn(modifier = Modifier.fillMaxSize()) {
+            itemsIndexed(state.bookings) { index, item ->
+                BookingItemView(booking = item, index = index)
+                Spacer(modifier = Modifier.height(8.dp))
+            }
+        }
+    }
+}
+@Composable
+private fun BookingItemView(booking: Booking, index: Int) {
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .testTag(TestIds.Main.getIdItemByPosition(index))
+            .padding(8.dp)
+    ) {
+        Text(
+            text = booking.date,
+            modifier = Modifier.testTag(TestIds.Main.ITEM_DATE)
+        )
+        Spacer(modifier = Modifier.weight(1f))
+        Text(
+            text = booking.place,
+            modifier = Modifier.testTag(TestIds.Main.ITEM_PLACE)
+        )
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/main/MainState.kt b/app/src/main/java/ru/myitschool/work/ui/screen/main/MainState.kt
new file mode 100644
index 0000000..29e8434
--- /dev/null
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/main/MainState.kt
@@ -0,0 +1,16 @@
+package ru.myitschool.work.ui.screen.main
+
+import ru.myitschool.work.ui.screen.Booking
+
+sealed interface MainState {
+    object Loading : MainState
+    data class Content(
+        val userName: String?,
+        val userPhotoUrl: String?,
+        val bookings: List<Booking>,
+        val error: String? = null
+    ) : MainState
+    data class ErrorOnly(
+        val message: String
+    ) : MainState
+}
\ No newline at end of file
diff --git a/app/src/main/java/ru/myitschool/work/ui/screen/main/MainViewModel.kt b/app/src/main/java/ru/myitschool/work/ui/screen/main/MainViewModel.kt
new file mode 100644
index 0000000..842ddfb
--- /dev/null
+++ b/app/src/main/java/ru/myitschool/work/ui/screen/main/MainViewModel.kt
@@ -0,0 +1,102 @@
+package ru.myitschool.work.ui.screen.main
+
+import android.util.Log
+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.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import ru.myitschool.work.data.repo.AuthRepository
+import ru.myitschool.work.data.repo.MainRepository
+import ru.myitschool.work.ui.screen.Booking
+import java.time.LocalDate
+import java.time.format.DateTimeFormatter
+
+class MainViewModel : ViewModel() {
+    private val _uiState = MutableStateFlow<MainState>(MainState.Loading)
+    val uiState: StateFlow<MainState> = _uiState.asStateFlow()
+
+    private val _navigationFlow = MutableSharedFlow<MainNavigationEvent>(replay = 0, extraBufferCapacity = 1)
+    val navigationFlow: SharedFlow<MainNavigationEvent> = _navigationFlow
+    fun formatDateString(isoDate: String): String {
+        val inputFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd")
+        val outputFormatter = DateTimeFormatter.ofPattern("dd.MM.yyyy")
+        val date = LocalDate.parse(isoDate, inputFormatter)
+        return date.format(outputFormatter)
+    }
+    init {
+        loadData()
+    }
+
+    private fun loadData() {
+        viewModelScope.launch(Dispatchers.IO) {
+            withContext(Dispatchers.Main) {
+                _uiState.value = MainState.Loading
+            }
+
+            val code = AuthRepository.getSavedCode() ?: run {
+                _navigationFlow.emit(MainNavigationEvent.NavigateToAuth)
+                return@launch
+            }
+
+            MainRepository.loadUserInfo(code).fold(
+                onSuccess = { userInfo ->
+                    val inputFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd")
+                    val outputFormatter = DateTimeFormatter.ofPattern("dd.MM.yyyy")
+
+                    val sortedBookings = userInfo.bookingToList()
+                        .sortedBy { LocalDate.parse(it.date, inputFormatter) }
+                        .map { booking ->
+                            Booking(
+                                date = LocalDate.parse(booking.date, inputFormatter).format(outputFormatter),
+                                place = booking.place
+                            )
+                        }
+
+                    withContext(Dispatchers.Main) {
+                        _uiState.value = MainState.Content(
+                            userName = userInfo.name,
+                            userPhotoUrl = userInfo.photoUrl ?: "",
+                            bookings = sortedBookings,
+                            error = null
+                        )
+                    }
+                },
+                onFailure = { error ->
+                    Log.e("MainViewModel", "Ошибка загрузки", error)
+                    withContext(Dispatchers.Main) {
+                        _uiState.value = MainState.ErrorOnly(
+                            error.message ?: "Не удалось загрузить данные"
+                        )
+                    }
+                }
+            )
+        }
+    }
+
+    fun onIntent(intent: MainIntent) {
+        when (intent) {
+            MainIntent.LoadData -> loadData()
+            MainIntent.Logout -> {
+                MainRepository.clearAuth()
+                viewModelScope.launch {
+                    _navigationFlow.emit(MainNavigationEvent.NavigateToAuth)
+                }
+            }
+            MainIntent.AddBooking -> {
+                viewModelScope.launch {
+                    _navigationFlow.emit(MainNavigationEvent.NavigateToBook)
+                }
+            }
+        }
+    }
+}
+sealed interface MainNavigationEvent {
+    object NavigateToAuth : MainNavigationEvent
+    object NavigateToBook : MainNavigationEvent
+}
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index fa8bda6..fa27628 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -4,4 +4,8 @@
     <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="to_book">забронировать</string>
+    <string name="back">Назад</string>
+    <string name="not_book">Всё забранировано</string>
+    <string name="upadate">Обновить</string>
 </resources>
\ No newline at end of file