<?php

declare (strict_types=1);
namespace WPForms\Vendor\Square\Models;

use stdClass;
/**
 * Defines an appointment slot that encapsulates the appointment segments, location and starting time
 * available for booking.
 */
class Availability implements \JsonSerializable
{
    /**
     * @var array
     */
    private $startAt = [];
    /**
     * @var string|null
     */
    private $locationId;
    /**
     * @var array
     */
    private $appointmentSegments = [];
    /**
     * Returns Start At.
     * The RFC 3339 timestamp specifying the beginning time of the slot available for booking.
     */
    public function getStartAt() : ?string
    {
        if (\count($this->startAt) == 0) {
            return null;
        }
        return $this->startAt['value'];
    }
    /**
     * Sets Start At.
     * The RFC 3339 timestamp specifying the beginning time of the slot available for booking.
     *
     * @maps start_at
     */
    public function setStartAt(?string $startAt) : void
    {
        $this->startAt['value'] = $startAt;
    }
    /**
     * Unsets Start At.
     * The RFC 3339 timestamp specifying the beginning time of the slot available for booking.
     */
    public function unsetStartAt() : void
    {
        $this->startAt = [];
    }
    /**
     * Returns Location Id.
     * The ID of the location available for booking.
     */
    public function getLocationId() : ?string
    {
        return $this->locationId;
    }
    /**
     * Sets Location Id.
     * The ID of the location available for booking.
     *
     * @maps location_id
     */
    public function setLocationId(?string $locationId) : void
    {
        $this->locationId = $locationId;
    }
    /**
     * Returns Appointment Segments.
     * The list of appointment segments available for booking
     *
     * @return AppointmentSegment[]|null
     */
    public function getAppointmentSegments() : ?array
    {
        if (\count($this->appointmentSegments) == 0) {
            return null;
        }
        return $this->appointmentSegments['value'];
    }
    /**
     * Sets Appointment Segments.
     * The list of appointment segments available for booking
     *
     * @maps appointment_segments
     *
     * @param AppointmentSegment[]|null $appointmentSegments
     */
    public function setAppointmentSegments(?array $appointmentSegments) : void
    {
        $this->appointmentSegments['value'] = $appointmentSegments;
    }
    /**
     * Unsets Appointment Segments.
     * The list of appointment segments available for booking
     */
    public function unsetAppointmentSegments() : void
    {
        $this->appointmentSegments = [];
    }
    /**
     * Encode this object to JSON
     *
     * @param bool $asArrayWhenEmpty Whether to serialize this model as an array whenever no fields
     *        are set. (default: false)
     *
     * @return array|stdClass
     */
    #[\ReturnTypeWillChange] // @phan-suppress-current-line PhanUndeclaredClassAttribute for (php < 8.1)
    public function jsonSerialize(bool $asArrayWhenEmpty = \false)
    {
        $json = [];
        if (!empty($this->startAt)) {
            $json['start_at'] = $this->startAt['value'];
        }
        if (isset($this->locationId)) {
            $json['location_id'] = $this->locationId;
        }
        if (!empty($this->appointmentSegments)) {
            $json['appointment_segments'] = $this->appointmentSegments['value'];
        }
        $json = \array_filter($json, function ($val) {
            return $val !== null;
        });
        return !$asArrayWhenEmpty && empty($json) ? new stdClass() : $json;
    }
}
