import * as moment from 'moment';

import { TicketState } from '../enums/ticket-state';
import { TicketStateOutput } from '../interfaces/ticket/ticket-state.output';
import { TicketDto } from '../interfaces/ticket/ticket.dto';
import { isValidWithErrors } from './validate';

export function getTicketState(ticket: TicketDto): TicketStateOutput {
  const now = moment();

  const validity = isValidWithErrors(ticket);

  if (now.isBefore(ticket.dateFrom)) {
    return { state: TicketState.COMING_SOON, errors: validity.errors };
  }

  if (ticket.dateUntil && now.isAfter(ticket.dateUntil)) {
    return { state: TicketState.COMPLETED, errors: validity.errors };
  }

  if (!validity.isValid) {
    return { state: TicketState.INVALID, errors: validity.errors };
  }

  const hasValidLastValidation =
    ticket.lastValidValidation && moment(ticket.lastValidValidation.validUntil).isAfter(now);

  if (hasValidLastValidation) {
    return { state: TicketState.UNDER_VALIDATION };
  }
  return { state: TicketState.UNCOMPOSTED };
}