<?php

namespace LDC\LDCCRM\Models;

use LDC\LDCCRM\Enums\ApiStatus;
use LDC\LDCCRM\Utils;

/**
 * This class represents an answer
 * It has a method to submit answers
 *
 * @property string $id The answer id
 * @property string $question The actual question as a string
 * @property \LDC\LDCCRM\Enums\QuestionType $type
 * The question type to display,
 * it also hints wether it can accept one or multiple responses,
 * so only checkbox allows multiple responses
 * @property \LDC\LDCCRM\Models\Answer[] $answers An array with answers
 *
 * @category Api Models
 * @package LDCCrmClient
 * @subpackage models
 */
class Answer extends CrmClientModel
{

    /**
     * Is true if this model was not filled from crm
     *
     * @var boolean
     */
    private $isNew = true;

    /**
     * The question id
     *
     * Required
     * Field Type bigInt
     *
     * @var int
     */
    private $id;

    /**
     * The actual answer as a string
     *
     * Required
     * Max length 255
     * Field Type varchar
     *
     * @var string
     */
    private $answer = null;

    /**
     * The crm customer fields
     *
     * @var array
     */
    protected $modelFields = [
        'id', 'answer'
    ];

    /**
     * Validation rules
     *
     * @var array
     */
    protected static $validation = [
        'id' => 'required|int',
        'answer' => 'required|string|max:255'
    ];

    public function __construct(array $properties = [])
    {
        parent::__construct();
        $this->fill($properties);
        return $this;
    }

    // PUBLIC METHODS

    /**
     * Set unanswered question for a specific customer
     *
     * @param string $hashcode The customer hashcode
     * @param integer $questionId The question id
     * @param array $answersId An array with answers id
     * @return bool true if succeeded
     *
     * @throws \LDC\LDCCRM\Exceptions\CrmException
     * if an error occurs on server side or on getting response
     * @throws \LDC\LDCCRM\Exceptions\ApiErrorException
     * If any error or \LDC\LDCCRM\Enums\ApiError occurs
     */
    public static function setQuestionAnswers(string $hashcode, int $questionId, array $answersId): bool
    {
        self::assertValidHascode($hashcode);
        self::assertValidPrimaryKey($questionId);
        if (!count($answersId)) {
            return true;
        }
        foreach ($answersId as $answerId) {
            self::assertValidPrimaryKey($answerId);
        }
        static::setUpApiInterface(); // set apiInterface
        $request = Utils::getResquest(
            'apiV2.customers.answers.store',
            [
                'customer' => $hashcode
            ],
            [
                'question' => $questionId,
                'answers' => $answersId
            ]
        );

        $response = static::$apiInterface->call($request);
        return $response->status->equals(ApiStatus::OK());
    }

    /**
     * Serialize this object to an array
     *
     * @return array
     */
    public function jsonSerialize()
    {
        return [
            'id' => $this->id,
            'answer' => $this->answer
        ];
    }
}