<?php

declare(strict_types=1);

/**
 * @author Robert Strutts <Bob_586@Yahoo.com>
 * @copyright (c) 2025, Robert Strutts
 * @license MIT
 */

namespace Project\controllers\app;
use CodeHydrater\bootstrap\registry as Reg;
/**
 * Description of twilio_ctrl
 *
 * Twilio Setup, REQUIRES off_twilio.php to be turned on...
 * Then define the sid and token
 * 
 * @link https://github.com/twilio/twilio-php
 * @link https://www.twilio.com/docs/messaging/quickstart
 * @link https://www.twilio.com/docs/voice/twiml
 * 
 */
class twilio_ctrl {

    private function get_caller() {
        /** Get Callers Phone Number, if plus-sign (+) not found add it */
        $caller_number = (isset($_REQUEST['From'])) ? $_REQUEST['From'] : false;
        if ($caller_number !== false) {
            $plus = substr($caller_number, 0, 1);
            $caller_number = ($plus !== '+') ? "+" . $caller_number : $caller_number;
        }
        return $caller_number;
    }

    public function index() {
        header("content-type: text/xml");
        $response = Reg::get('di')->get_service('twilio_voice');

        $caller_number = $this->get_caller();
        // If the user entered digits, process their request
        if (array_key_exists('Digits', $_POST)) {
            switch ($_POST['Digits']) {
                case 1:
                    $response->say('One moment and you will be connnected to Sales!');
                    // Do Sales Stuff
                    break;
                case 2:
                    $response->say('Please hold for support!');
                    // Do Support Stuff
                    break;
                default:
                    $response->say('Sorry, I don\'t understand that choice.');
            }
        } else {
            // If no input was sent, use the <Gather> verb to collect user input
            $gather = $response->gather(array('numDigits' => 1));
            // use the <Say> verb to request input from the user
            $gather->say('For sales, press 1. For support, press 2.');

            // If the user doesn't enter input, loop
            $response->redirect('/app/twilio/index');
        }
        echo $response;
    }

    public function send_sms(): string {
        $twilio = Reg::get('di')->get_service('twilio_sms');
        // Example: Send an SMS Text message to Cell Phone
        $message = $twilio->messages->create(
                '+15558675309', // To number GOES HERE
                [
                    'from' => '+15017122661', // YOUR Twilio number HERE
                    'body' => 'Hello from Twilio!'
                ]
        );
        echo $message->body;
    }
}