<?php

namespace Infoflot;

class GetResponse
{
    const X_AUTH_TOKEN = 'hvjldi9exj0huhjpgiloq2zp0ujp3i4n';
    const X_DOMAIN     = 'email.infoflot.com';
    const API_LINK     = 'https://api3.getresponse360.pl/v3';

    private $ch;

    public function __construct() {

        $this->ch = curl_init();

        $http_headers = [
            'Content-type: application/json',
            sprintf('X-Auth-Token: api-key %s', self::X_AUTH_TOKEN),
            sprintf('X-Domain: %s', self::X_DOMAIN)
        ];

        curl_setopt($this->ch, CURLOPT_HTTPHEADER, $http_headers);
        curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, true);
    }

    public function addContact(array $params) {

        if ($default_campaign = $this->getDefaultCampaign()) {

            $params['campaign'] = ['campaignId' => $default_campaign];

            curl_setopt($this->ch, CURLOPT_URL, sprintf('%s/contacts', self::API_LINK));
            curl_setopt($this->ch, CURLOPT_POST, true);
            curl_setopt($this->ch, CURLOPT_POSTFIELDS, json_encode($params));

            return $this->executeRequest(202);
        }
        return false;
    }

    public function editContact() {
        /**
         * @todo write code)
         */
    }

    private function getDefaultCampaign() {

        curl_setopt($this->ch, CURLOPT_URL, sprintf('%s/campaigns', self::API_LINK));
        curl_setopt($this->ch, CURLOPT_POST, false);
        $campaigns = json_decode(curl_exec($this->ch), true);
        $http_code = curl_getinfo($this->ch, CURLINFO_HTTP_CODE);

        if ($http_code == 200 && !empty($campaigns)) {

            foreach ($campaigns as $campaign) {
                if ($campaign['isDefault']) {
                    return $campaign['campaignId'];
                }
            }
        }

        return false;
    }

    private function executeRequest($response_code) {

        curl_exec($this->ch);
        $http_code = curl_getinfo($this->ch, CURLINFO_HTTP_CODE);

        return ($http_code == $response_code) ? true : false;
    }

}