package world.respect.shared.viewmodel.manageuser.waitingforapproval

import androidx.lifecycle.SavedStateHandle
import androidx.lifecycle.viewModelScope
import kotlinx.coroutines.delay
import kotlinx.coroutines.flow.MutableStateFlow
import kotlinx.coroutines.flow.asStateFlow
import kotlinx.coroutines.flow.update
import kotlinx.coroutines.launch
import org.koin.core.component.KoinScopeComponent
import org.koin.core.component.inject
import org.koin.core.scope.Scope
import world.respect.lib.dataloadstate.DataLoadParams
import world.respect.datalayer.SchoolDataSource
import world.respect.lib.dataloadstate.ext.dataOrNull
import world.respect.datalayer.school.PersonDataSource
import world.respect.datalayer.school.model.PersonStatusEnum
import world.respect.datalayer.shared.params.GetListCommonParams
import world.respect.shared.domain.account.RespectAccountManager
import world.respect.shared.generated.resources.Res
import world.respect.shared.generated.resources.waiting_title
import world.respect.shared.navigation.Home
import world.respect.shared.navigation.NavCommand
import world.respect.shared.util.ext.asUiText
import world.respect.shared.viewmodel.RespectViewModel


data class WaitingForApprovalUiState(
    val className: String = "",
    val isRefreshing: Boolean = false
)

class WaitingForApprovalViewModel(
    savedStateHandle: SavedStateHandle,
    private val accountManager: RespectAccountManager,
) : RespectViewModel(savedStateHandle), KoinScopeComponent {

    override val scope: Scope = accountManager.requireActiveAccountScope()

    private val _uiState = MutableStateFlow(WaitingForApprovalUiState())

    private val schoolDataSource: SchoolDataSource by inject()

    val uiState = _uiState.asStateFlow()

    init {
        _appUiState.update {
            it.copy(
                title = Res.string.waiting_title.asUiText(),
                hideBottomNavigation = true,
                userAccountIconVisible = true,
                showBackButton = false,
            )
        }

        viewModelScope.launch {
            val activeUserUid = accountManager.activeAccount?.userGuid ?: return@launch

            while(true) {
                val personsLoaded = schoolDataSource.personDataSource.list(
                    loadParams = DataLoadParams(),
                    params = PersonDataSource.GetListParams(
                        common = GetListCommonParams(
                            guid = activeUserUid,
                        ),
                        includeRelated = true,
                    )
                ).dataOrNull()

                val personLoaded = personsLoaded?.firstOrNull { it.guid == activeUserUid }
                if(personLoaded?.status == PersonStatusEnum.ACTIVE) {
                    _navCommandFlow.tryEmit(
                        NavCommand.Navigate(Home)
                    )
                    return@launch
                }

                delay(2_000)
            }
        }
    }
}
