<?php

class WhatsappTokenController extends Catabatic_ValidateGtx {

    public $AgencySysId;
    public $IsAutoProposalOnFBLead;
    public $fModel;
    public $getSiteUrl;

    public function init() {
        parent::init();
        $this->AgencySysId = Travel_Model_AgencyAuth::getIdentity()->AgencySysId;
        $this->IsAutoProposalOnFBLead = Travel_Model_AgencyAuth::getIdentity()->IsAutoProposalOnFBLead;
        $this->fModel = new Finance_Model_Finance();
        $this->getSiteUrl = Catabatic_Helper::getSiteUrl();
    }

    public function indexAction() {
        $url = "https://www.facebook.com/v17.0/dialog/oauth?response_type=code&client_id=280236861344884&redirect_uri=https://globaltravelexchange.com/facebook-lead/get-access-key&state=87587289237984777&scope=public_profile,email,whatsapp_business_management,whatsapp_business_messaging";
        header("Location:$url");
        exit;
    }

    public function sendRequest($url) {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_HEADER, 0);
        if (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off') {
            curl_setopt($ch, CURLOPT_PORT, 443);
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
        }
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        $output = curl_exec($ch);
        curl_close($ch);
        return $output;
    }

    public function getAccessKeyAction() {
        if (isset($_REQUEST) && (isset($_REQUEST['code']) && $_REQUEST['code'] != "")) {
            $accessCode = $_REQUEST['code'];
            $this->view->pageName = array();
            $url = "https://graph.facebook.com/v15.0/oauth/access_token?code=$accessCode&client_id=280236861344884&redirect_uri=" . $this->getSiteUrl . "facebook-lead/get-access-key&client_secret=185ab544ad959002f33e3928f6c5d53c";
            $reponseVal = $this->sendRequest($url);
            echo "<pre>";print_r($reponseVal);exit;
        }
    }

    public function fbExchangeToken($accessToken) {
        $fbExchangeTokenUrl = "https://graph.facebook.com/v15.0/oauth/access_token?grant_type=fb_exchange_token&client_id=280236861344884&client_secret=185ab544ad959002f33e3928f6c5d53c&fb_exchange_token=$accessToken";
        $fbExchangeTokenArray = $this->sendRequest($fbExchangeTokenUrl);
        return $fbExchangeTokenArray;
    }

}