import 'package:eatvio_app/features/consultations/models/consultation_progress.dart';
import 'package:eatvio_app/features/plans/enums/chosen_plan_state_enum.dart';

ConsultationProgress mapConsultationProgress({
  required ChosenPlanStateEnum state,
  required bool hasPersonalDiet,
}) {
  return ConsultationProgress(
    completedSteps: _completedSteps(state),
    showProgressPlank: _showProgressPlank(state),
    dietStatus: _dietStatus(state, hasPersonalDiet),
    phase: _phase(state),
  );
}

Set<ConsultationStep> _completedSteps(ChosenPlanStateEnum state) {
  switch (state) {
    case ChosenPlanStateEnum.stateInited:
    case ChosenPlanStateEnum.stateConfirmedByConsultant:
    case ChosenPlanStateEnum.stateInCoordination:
    case ChosenPlanStateEnum.stateCanceledByTheInitiator:
      return const {};
    case ChosenPlanStateEnum.stateStartDateHasBeenSet:
    case ChosenPlanStateEnum.statePendingPayment:
    case ChosenPlanStateEnum.statePaymentFailed:
      return const {ConsultationStep.startDate};
    case ChosenPlanStateEnum.statePaid:
    case ChosenPlanStateEnum.personalDietSet:
      return const {ConsultationStep.startDate, ConsultationStep.paid};
    case ChosenPlanStateEnum.stateStarted:
    case ChosenPlanStateEnum.stateInProgress:
    case ChosenPlanStateEnum.stateLastDayStarted:
    case ChosenPlanStateEnum.stateLastDayFinished:
    case ChosenPlanStateEnum.stateComplained:
      return const {
        ConsultationStep.startDate,
        ConsultationStep.paid,
        ConsultationStep.inProgress,
      };
    case ChosenPlanStateEnum.stateDone:
    case ChosenPlanStateEnum.stateChargeWasCollected:
      return const {
        ConsultationStep.startDate,
        ConsultationStep.paid,
        ConsultationStep.inProgress,
        ConsultationStep.finished,
      };
  }
}

bool _showProgressPlank(ChosenPlanStateEnum state) {
  switch (state) {
    case ChosenPlanStateEnum.stateInited:
    case ChosenPlanStateEnum.stateConfirmedByConsultant:
    case ChosenPlanStateEnum.stateChargeWasCollected:
    case ChosenPlanStateEnum.stateCanceledByTheInitiator:
    case ChosenPlanStateEnum.statePaymentFailed:
      return false;
    case ChosenPlanStateEnum.stateInCoordination:
    case ChosenPlanStateEnum.stateStartDateHasBeenSet:
    case ChosenPlanStateEnum.statePendingPayment:
    case ChosenPlanStateEnum.statePaid:
    case ChosenPlanStateEnum.personalDietSet:
    case ChosenPlanStateEnum.stateStarted:
    case ChosenPlanStateEnum.stateInProgress:
    case ChosenPlanStateEnum.stateLastDayStarted:
    case ChosenPlanStateEnum.stateLastDayFinished:
    case ChosenPlanStateEnum.stateComplained:
    case ChosenPlanStateEnum.stateDone:
      return true;
  }
}

PersonalDietStatus _dietStatus(
  ChosenPlanStateEnum state,
  bool hasPersonalDiet,
) {
  if (!hasPersonalDiet) {
    return PersonalDietStatus.notRequired;
  }

  switch (state) {
    case ChosenPlanStateEnum.personalDietSet:
    case ChosenPlanStateEnum.stateStarted:
    case ChosenPlanStateEnum.stateInProgress:
    case ChosenPlanStateEnum.stateLastDayStarted:
    case ChosenPlanStateEnum.stateLastDayFinished:
    case ChosenPlanStateEnum.stateComplained:
    case ChosenPlanStateEnum.stateDone:
    case ChosenPlanStateEnum.stateChargeWasCollected:
      return PersonalDietStatus.proposed;
    case ChosenPlanStateEnum.stateInited:
    case ChosenPlanStateEnum.stateInCoordination:
    case ChosenPlanStateEnum.stateConfirmedByConsultant:
    case ChosenPlanStateEnum.stateStartDateHasBeenSet:
    case ChosenPlanStateEnum.statePendingPayment:
    case ChosenPlanStateEnum.statePaid:
      return PersonalDietStatus.notProposed;
    case ChosenPlanStateEnum.stateCanceledByTheInitiator:
    case ChosenPlanStateEnum.statePaymentFailed:
      return PersonalDietStatus.notRequired;
  }
}

ConsultationPhase _phase(ChosenPlanStateEnum state) {
  switch (state) {
    case ChosenPlanStateEnum.stateCanceledByTheInitiator:
      return ConsultationPhase.canceled;
    case ChosenPlanStateEnum.statePaymentFailed:
      return ConsultationPhase.paymentFailed;
    default:
      return ConsultationPhase.active;
  }
}