Improve the code

Signed-off-by: denis0001-dev <denis0001.dev@ya.ru>

.idea/deploymentTargetSelector.xml

@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="deploymentTargetSelector">
-    <selectionStates>
-      <SelectionState runConfigName="app">
-        <option name="selectionMode" value="DROPDOWN" />
-        <DropdownSelection timestamp="2025-09-06T11:23:47.273402Z">
-          <Target type="DEFAULT_BOOT">
-            <handle>
-              <DeviceId pluginId="LocalEmulator" identifier="path=/Users/denis0001-dev/.android/avd/Pixel_9_Pro_XL.avd" />
-            </handle>
-          </Target>
-        </DropdownSelection>
-        <DialogSelection />
-      </SelectionState>
-    </selectionStates>
-  </component>
-</project>

.idea/inspectionProfiles/Project_Default.xml

@@ -57,5 +57,7 @@
       <option name="composableFile" value="true" />
       <option name="previewFile" value="true" />
     </inspection_tool>
+    <inspection_tool class="PropertyName" enabled="false" level="WEAK WARNING" enabled_by_default="false" />
+    <inspection_tool class="UnusedSymbol" enabled="true" level="WEAK WARNING" enabled_by_default="true" editorAttributes="INFO_ATTRIBUTES" />
   </profile>
 </component>

app/src/main/java/ru/fromchat/ui/Components.kt

@@ -0,0 +1,40 @@
+package ru.fromchat.ui
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun RowHeader(
+    icon: ImageVector,
+    title: String,
+    subtitle: String
+) {
+    Column(horizontalAlignment = Alignment.CenterHorizontally) {
+        Icon(
+            imageVector = icon,
+            contentDescription = null,
+            modifier = Modifier
+                .padding(bottom = 8.dp)
+                .size(30.dp),
+        )
+        Text(
+            text = title,
+            style = MaterialTheme.typography.titleLarge,
+            modifier = Modifier.padding(bottom = 8.dp)
+        )
+        Text(
+            text = subtitle,
+            style = MaterialTheme.typography.bodyMedium,
+            modifier = Modifier.padding(bottom = 16.dp)
+        )
+    }
+}

app/src/main/java/ru/fromchat/ui/auth/LoginScreen.kt

@@ -2,17 +2,15 @@ package ru.fromchat.ui.auth
 
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.FlowRow
 import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.Login
 import androidx.compose.material3.Button
-import androidx.compose.material3.Card
-import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
@@ -28,12 +26,14 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import ru.fromchat.api.ApiClient
 import ru.fromchat.api.LoginRequest
+import ru.fromchat.ui.RowHeader
 
 @Composable
 fun LoginScreen(
     onLoginSuccess: () -> Unit,
     onNavigateToRegister: () -> Unit
 ) {
+    Scaffold { innerPadding ->
         var username by remember { mutableStateOf("") }
         var password by remember { mutableStateOf("") }
         var alert by remember { mutableStateOf<String?>(null) }
@@ -41,17 +41,24 @@ fun LoginScreen(
         Column(
             modifier = Modifier
                 .fillMaxSize()
+                .padding(innerPadding)
                 .padding(16.dp),
             verticalArrangement = Arrangement.Center,
             horizontalAlignment = Alignment.CenterHorizontally
         ) {
-        Card(modifier = Modifier.padding(16.dp)) {
-            Column(modifier = Modifier.padding(16.dp)) {
-                RowHeader()
+            Column(
+                modifier = Modifier.padding(16.dp),
+                horizontalAlignment = Alignment.CenterHorizontally,
+                verticalArrangement = Arrangement.spacedBy(8.dp)
+            ) {
+                RowHeader(
+                    icon = Icons.AutoMirrored.Filled.Login,
+                    title = "Welcome!",
+                    subtitle = "Log in to your account"
+                )
 
                 if (alert != null) {
                     Text(text = alert!!, color = MaterialTheme.colorScheme.error)
-                    Spacer(Modifier.height(8.dp))
                 }
 
                 OutlinedTextField(
@@ -60,7 +67,7 @@ fun LoginScreen(
                     label = { Text("Имя пользователя") },
                     singleLine = true
                 )
-                Spacer(Modifier.height(8.dp))
+
                 OutlinedTextField(
                     value = password,
                     onValueChange = { password = it },
@@ -69,12 +76,14 @@ fun LoginScreen(
                     visualTransformation = PasswordVisualTransformation()
                 )
 
-                Spacer(Modifier.height(12.dp))
-                Button(onClick = {
+                FlowRow(horizontalArrangement = Arrangement.spacedBy(10.dp)) {
+                    Button(
+                        onClick = {
                             if (username.isBlank() || password.isBlank()) {
                                 alert = "Пожалуйста, заполните все поля"
                                 return@Button
                             }
+
                             CoroutineScope(Dispatchers.IO).launch {
                                 try {
                                     ApiClient.login(LoginRequest(username, password))
@@ -83,21 +92,16 @@ fun LoginScreen(
                                     alert = "Неверное имя пользователя или пароль"
                                 }
                             }
-                }) { Text("Войти") }
+                        }
+                    ) {
+                        Text("Войти")
+                    }
 
-                Spacer(Modifier.height(8.dp))
-                Button(onClick = onNavigateToRegister) { Text("Зарегистрируйтесь") }
+                    Button(onClick = onNavigateToRegister) {
+                        Text("Зарегистрируйтесь")
+                    }
+                }
             }
         }
     }
 }
-
-@Composable
-private fun RowHeader() {
-    Column(horizontalAlignment = Alignment.CenterHorizontally) {
-        Icon(Icons.AutoMirrored.Filled.Login, contentDescription = null)
-        Text("Добро пожаловать!")
-        Text("Войдите в свой аккаунт", style = MaterialTheme.typography.bodyMedium)
-        Spacer(Modifier.height(8.dp))
-    }
-}

app/src/main/java/ru/fromchat/ui/auth/RegisterScreen.kt

@@ -1,18 +1,16 @@
 package ru.fromchat.ui.auth
 
+import android.util.Log
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.PersonAdd
 import androidx.compose.material3.Button
-import androidx.compose.material3.Card
-import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
@@ -28,11 +26,13 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import ru.fromchat.api.ApiClient
 import ru.fromchat.api.RegisterRequest
+import ru.fromchat.ui.RowHeader
 
 @Composable
 fun RegisterScreen(
     onRegistered: () -> Unit
 ) {
+    Scaffold { innerPadding ->
         var username by remember { mutableStateOf("") }
         var password by remember { mutableStateOf("") }
         var confirmPassword by remember { mutableStateOf("") }
@@ -41,22 +41,24 @@ fun RegisterScreen(
         Column(
             modifier = Modifier
                 .fillMaxSize()
+                .padding(innerPadding)
                 .padding(16.dp),
             verticalArrangement = Arrangement.Center,
             horizontalAlignment = Alignment.CenterHorizontally
         ) {
-        Card(modifier = Modifier.padding(16.dp)) {
-            Column(modifier = Modifier.padding(16.dp)) {
-                Column(horizontalAlignment = Alignment.CenterHorizontally) {
-                    Icon(Icons.Default.PersonAdd, contentDescription = null)
-                    Text("Регистрация")
-                    Text("Создайте новый аккаунт", style = MaterialTheme.typography.bodyMedium)
-                    Spacer(Modifier.height(8.dp))
-                }
+            Column(
+                modifier = Modifier.padding(16.dp),
+                horizontalAlignment = Alignment.CenterHorizontally,
+                verticalArrangement = Arrangement.spacedBy(8.dp)
+            ) {
+                RowHeader(
+                    icon = Icons.Filled.PersonAdd,
+                    title = "Register",
+                    subtitle = "Create a new account"
+                )
 
                 if (alert != null) {
                     Text(text = alert!!, color = MaterialTheme.colorScheme.error)
-                    Spacer(Modifier.height(8.dp))
                 }
 
                 OutlinedTextField(
@@ -65,7 +67,7 @@ fun RegisterScreen(
                     label = { Text("Имя пользователя") },
                     singleLine = true
                 )
-                Spacer(Modifier.height(8.dp))
+
                 OutlinedTextField(
                     value = password,
                     onValueChange = { password = it },
@@ -73,7 +75,7 @@ fun RegisterScreen(
                     singleLine = true,
                     visualTransformation = PasswordVisualTransformation()
                 )
-                Spacer(Modifier.height(8.dp))
+
                 OutlinedTextField(
                     value = confirmPassword,
                     onValueChange = { confirmPassword = it },
@@ -82,8 +84,9 @@ fun RegisterScreen(
                     visualTransformation = PasswordVisualTransformation()
                 )
 
-                Spacer(Modifier.height(12.dp))
-                Button(onClick = {
+                Button(
+                    onClick = {
+                        // Checks
                         if (username.isBlank() || password.isBlank() || confirmPassword.isBlank()) {
                             alert = "Пожалуйста, заполните все поля"
                             return@Button
@@ -100,15 +103,27 @@ fun RegisterScreen(
                             alert = "Пароль должен быть от 5 до 50 символов"
                             return@Button
                         }
+
+                        // Send the register request
                         CoroutineScope(Dispatchers.IO).launch {
                             try {
-                            ApiClient.register(RegisterRequest(username, password, confirmPassword))
+                                ApiClient.register(
+                                    RegisterRequest(
+                                        username,
+                                        password,
+                                        confirmPassword
+                                    )
+                                )
                                 onRegistered()
                             } catch (e: Exception) {
+                                Log.d("RegisterScreen", "Error while registering:", e)
                                 alert = "Ошибка при регистрации"
                             }
                         }
-                }) { Text("Зарегистрироваться") }
+                    }
+                ) {
+                    Text("Зарегистрироваться")
+                }
             }
         }
     }

app/src/main/java/ru/fromchat/ui/chat/BaseChat.kt

@@ -67,6 +67,7 @@ fun BaseChat(
                     if (composing.isNotBlank()) {
                         // Note: server schema for public chat messages is not specified in the repo.
                         // We send a generic WebSocketMessage to match frontend type contract.
+                        // TODO correct the payload
                         val payload = WebSocketMessage(
                             type = "public_chat_message",
                             data = buildJsonObject {