Updated on 2026-08-14

app/src/main/java/com/tangem/tap/MainViewModel.kt

@@ -0,0 +1,35 @@
+package com.tangem.tap
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import arrow.core.getOrElse
+import com.tangem.domain.apptheme.GetAppThemeModeUseCase
+import com.tangem.domain.apptheme.model.AppThemeMode
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.stateIn
+import javax.inject.Inject
+
+@HiltViewModel
+internal class MainViewModel @Inject constructor(
+    private val getAppThemeModeUseCase: GetAppThemeModeUseCase,
+) : ViewModel() {
+
+    val state: StateFlow<GlobalSettingsState> = createMainStateFlow()
+
+    private fun createMainStateFlow(): StateFlow<GlobalSettingsState> {
+        return getAppThemeModeUseCase()
+            .map { maybeMode ->
+                val mode = maybeMode.getOrElse { AppThemeMode.DEFAULT }
+
+                GlobalSettingsState.Content(appThemeMode = mode)
+            }
+            .stateIn(
+                scope = viewModelScope,
+                started = SharingStarted.WhileSubscribed(stopTimeoutMillis = 5_000),
+                initialValue = GlobalSettingsState.Loading,
+            )
+    }
+}