<?php
// Scenario: Demonstrates how to set Telegram channel username

$xhe_host = getenv("RPABOT_HOST_URL");
if (!isset($path)) {
	// Path to the init.php file for connecting to the XHE API
	$path = "../../../Templates/init.php";
	// Including init.php grants access to all classes and functionality for working with the XHE API
	require($path);
}

// beginning
echo "\n<font color=blue>telegram->set_channel_username</font>\n";

// get from: https://core.telegram.org/api
$appID = "xxx";
$appHash = "xxx";
$myPhoneNumber = "+7xxx";
$password = "xxx!";

// step 1
echo ("1. Connect to telegram: ");
echo (WEB::$telegram->connect($appID, $appHash));

// step 2
echo ("\n2. Request authorization: ");
$res = WEB::$telegram->request_authorization($myPhoneNumber);
echo ($res);

if ($res != "connected") {
	// verification code input
	if ($res == "verification_code") {
		$auth_code = WINDOW::$app->get_dlg_input_string("dlg_1", "Enter authorization code from SMS or chat:");

		// step 3
		echo ("\n3. Authorize: ");
		$res = WEB::$telegram->authorization($myPhoneNumber, $res, $auth_code);
		echo ($res);
	}

	// password input
	if ($res == "password") {
		$auth_code = WINDOW::$app->get_dlg_input_string("dlg_1", "Enter password:");

		// step 3
		echo ("\n3. Authorize: ");
		$res = WEB::$telegram->authorization($myPhoneNumber, $res, $password);
		echo ($res);
	}

	if ($res != "ok") {
		echo ("\n4. Authorization failed: ");
		WINDOW::$app->quit();
	}
}

// step 4
echo ("\n4. Create channel: ");
$channel_title = "Test Channel";
$channel_description = "Test channel description";
$is_megagroup = true;
$channel_username = "";
$channel_id = WEB::$telegram->create_channel($channel_title, $channel_description, $is_megagroup, $channel_username);
echo ("Channel ID: " . $channel_id);

// Example 1
echo ("\n5. Set channel username: ");
$new_username = "new_channel_username";
$set_result = WEB::$telegram->set_channel_username($channel_id, $new_username);
echo ($set_result);

// step 6
echo ("\n6. Disconnect: ");
echo (WEB::$telegram->disconnect());

// end
echo "\n";

// Quit
WINDOW::$app->quit();