Coverage Summary for Class: WorkspaceCreationEffect (com.georgeci.moneysurfer.feature.workspace.creation)

 package com.georgeci.moneysurfer.feature.workspace.creation
 
 import arrow.optics.optics
 import co.touchlab.kermit.Logger
 import com.georgeci.moneysurfer.domain.config.HostCapabilities
 import com.georgeci.moneysurfer.domain.model.Currency
 import com.georgeci.moneysurfer.domain.model.WorkspaceRole
 import com.georgeci.moneysurfer.domain.primitives.CurrencyCode
 import com.georgeci.moneysurfer.domain.primitives.WorkspaceId
 import com.georgeci.moneysurfer.domain.repositories.WorkspaceRepository
 import com.georgeci.moneysurfer.domain.usecase.CreateWorkspaceError
 import com.georgeci.moneysurfer.domain.usecase.CreateWorkspaceUseCase
 import com.georgeci.moneysurfer.domain.usecase.GetCurrenciesUseCase
 import com.georgeci.moneysurfer.utils.MviViewModel
 import kotlinx.coroutines.flow.first
 import org.koin.core.annotation.KoinViewModel
 
 @KoinViewModel
 class WorkspaceCreationViewModel(
     private val workspaceRepository: WorkspaceRepository,
     private val createWorkspace: CreateWorkspaceUseCase,
     private val getCurrencies: GetCurrenciesUseCase,
     hostCapabilities: HostCapabilities,
 ) : MviViewModel<WorkspaceCreationState, WorkspaceCreationEvent, WorkspaceCreationEffect>(
     initialState = WorkspaceCreationState.Loading,
 ) {
 
     private val isOffline: Boolean = hostCapabilities.isOffline
 
     private val log = Logger.withTag(TAG)
 
     init { loadCurrencies() }
 
     fun init(workspaceId: WorkspaceId?) {
         if (workspaceId == null) return
         val current = currentState
         if (current is WorkspaceCreationState.Content && current.workspaceId == workspaceId) return
         launch {
             val workspace = workspaceRepository.getById(workspaceId) ?: return@launch
             updateState {
                 when (this) {
                     is WorkspaceCreationState.Loading -> WorkspaceCreationState.Content(
                         workspaceId = workspace.id,
                         name = workspace.name,
                         description = workspace.description,
                         currency = workspace.baseCurrency.value,
                         currencies = emptyList(),
                         members = PREVIEW_MEMBERS,
                         isEditing = true,
                         isOffline = isOffline,
                     )
                     is WorkspaceCreationState.Content -> copy(
                         workspaceId = workspace.id,
                         name = workspace.name,
                         description = workspace.description,
                         currency = workspace.baseCurrency.value,
                         isEditing = true,
                     )
                 }
             }
         }
     }
 
     override fun onEvent(event: WorkspaceCreationEvent) {
         when (event) {
             is WorkspaceCreationEvent.OnNameChanged ->
                 updateState {
                     WorkspaceCreationState.content.modify(this) { it.copy(name = event.name, error = null) }
                 }
             is WorkspaceCreationEvent.OnDescriptionChanged ->
                 updateState {
                     WorkspaceCreationState.content.modify(this) {
                         it.copy(description = event.description, error = null)
                     }
                 }
             is WorkspaceCreationEvent.OnCurrencyChanged ->
                 updateState {
                     WorkspaceCreationState.content.modify(this) {
                         it.copy(currency = event.currency, error = null)
                     }
                 }
             WorkspaceCreationEvent.OnInviteMemberClick -> Unit
             WorkspaceCreationEvent.OnSaveClick -> saveWorkspace()
             WorkspaceCreationEvent.OnBackClick -> postSideEffect(WorkspaceCreationEffect.NavigateBack)
         }
     }
 
     private fun loadCurrencies() {
         launch {
             val currencies = getCurrencies().first()
             val defaultCurrency = currencies.firstOrNull()?.code?.value.orEmpty()
             updateState {
                 when (this) {
                     is WorkspaceCreationState.Loading -> WorkspaceCreationState.Content(
                         workspaceId = null,
                         name = "",
                         description = "",
                         currency = defaultCurrency,
                         currencies = currencies,
                         members = PREVIEW_MEMBERS,
                         isEditing = false,
                         isOffline = isOffline,
                     )
                     is WorkspaceCreationState.Content -> copy(
                         currencies = currencies,
                         currency = currency.ifBlank { defaultCurrency },
                     )
                 }
             }
         }
     }
 
     private fun saveWorkspace() {
         val state = currentState as? WorkspaceCreationState.Content ?: return
         if (state.name.isBlank()) return
         if (state.isSaving) return
         launch(
             onError = { err ->
                 log.w(err) { "[save] unexpected exception" }
                 updateState {
                     WorkspaceCreationState.content.modify(this) {
                         it.copy(isSaving = false, error = WorkspaceCreationError.Unknown)
                     }
                 }
             },
         ) {
             updateState {
                 WorkspaceCreationState.content.modify(this) {
                     it.copy(isSaving = true, error = null)
                 }
             }
             val existingId = state.workspaceId
             if (existingId != null) {
                 val existing = workspaceRepository.getById(existingId) ?: run {
                     updateState {
                         WorkspaceCreationState.content.modify(this) {
                             it.copy(isSaving = false, error = WorkspaceCreationError.Unknown)
                         }
                     }
                     return@launch
                 }
                 workspaceRepository.update(
                     existing.copy(
                         name = state.name.trim(),
                         description = state.description.trim(),
                         baseCurrency = CurrencyCode(state.currency),
                     ),
                 )
                 postSideEffect(WorkspaceCreationEffect.NavigateBack)
             } else {
                 createWorkspace(
                     CreateWorkspaceUseCase.Params(
                         name = state.name,
                         description = state.description,
                         baseCurrency = CurrencyCode(state.currency),
                     ),
                 ).fold(
                     ifLeft = { err ->
                         val mapped = err.toUi()
                         log.w { "[save] failed -> $mapped" }
                         updateState {
                             WorkspaceCreationState.content.modify(this) {
                                 it.copy(isSaving = false, error = mapped)
                             }
                         }
                     },
                     ifRight = {
                         log.i { "[save] ok wid=${it.value}" }
                         postSideEffect(WorkspaceCreationEffect.NavigateBack)
                     },
                 )
             }
         }
     }
 
     private companion object {
         const val TAG = "WorkspaceCreationVM"
     }
 }
 
 private fun CreateWorkspaceError.toUi(): WorkspaceCreationError = when (this) {
     is CreateWorkspaceError.NoCurrentUser -> WorkspaceCreationError.Unknown
     is CreateWorkspaceError.LocalWriteFailed -> WorkspaceCreationError.Unknown
     is CreateWorkspaceError.RemoteSyncFailed -> WorkspaceCreationError.RemoteSyncFailed
 }
 
 @optics
 sealed interface WorkspaceCreationState {
     data object Loading : WorkspaceCreationState
 
     @optics
     data class Content(
         val workspaceId: WorkspaceId?,
         val name: String,
         val description: String,
         val currency: String,
         val currencies: List<Currency>,
         val members: List<WorkspaceMemberUi>,
         val isEditing: Boolean,
         val isSaving: Boolean = false,
         val error: WorkspaceCreationError? = null,
         val isOffline: Boolean = false,
     ) : WorkspaceCreationState {
 
         /**
          * The Members section (invite row + member list) is remote-only. Offline workspaces
          * are always single-user, so the section is hidden in the offline build to avoid
          * implying collaboration that isn't supported.
          */
         val showMembersSection: Boolean
             get() = isEditing && !isOffline
 
         companion object
     }
 
     companion object
 }
 
 enum class WorkspaceCreationError {
     /** Remote `syncWorkspace` push failed — workspace exists locally but isn't synced. */
     RemoteSyncFailed,
 
     /** Catch-all for unclassified failures (no current user, local Room write blew up, etc.). */
     Unknown,
 }
 
 data class WorkspaceMemberUi(
     val name: String,
     val role: WorkspaceRole,
     val initial: String,
 )
 
 sealed interface WorkspaceCreationEvent {
     data class OnNameChanged(val name: String) : WorkspaceCreationEvent
     data class OnDescriptionChanged(val description: String) : WorkspaceCreationEvent
     data class OnCurrencyChanged(val currency: String) : WorkspaceCreationEvent
     data object OnInviteMemberClick : WorkspaceCreationEvent
     data object OnSaveClick : WorkspaceCreationEvent
     data object OnBackClick : WorkspaceCreationEvent
 }
 
 sealed interface WorkspaceCreationEffect {
     data object NavigateBack : WorkspaceCreationEffect
 }
 
 // Placeholder members — replace with real data once a members feed is wired for the
 // creation/edit flow. The screen stays useful for design review in the meantime.
 private val PREVIEW_MEMBERS = listOf(
     WorkspaceMemberUi("Kasia Nowak", WorkspaceRole.OWNER, "K"),
     WorkspaceMemberUi("Marek N.", WorkspaceRole.EDITOR, "M"),
 )