<?php

use WebFiori\Cli\Command;

use WebFiori\Cli\ArgumentOption;

/**

* A simple hello world command that demonstrates basic CLI functionality.

*

* This command shows how to:

* - Create a basic command class

* - Handle optional arguments with defaults

* - Use different output methods

* - Return appropriate exit codes

*/

class HelloCommand extends Command {

public function __construct() {

parent::__construct('hello', [

'--name' => [

ArgumentOption::DESCRIPTION => 'The name to greet (default: World)',

ArgumentOption::OPTIONAL => true,

ArgumentOption::DEFAULT => 'World'

]

], 'A simple greeting command that says hello to someone');

}

/**

* Execute the hello command.

*

* This method demonstrates:

* - Getting argument values

* - Basic output formatting

* - Conditional logic

* - Proper return codes

*/

public function exec(): int {

// Get the name argument, with fallback to default

$name = $this->getArgValue('--name') ?? 'World';

// Trim whitespace and validate

$name = trim($name);

if (empty($name)) {

$this->error('Name cannot be empty!');

return 1; // Error exit code

}

// Special greeting for WebFiori

if (strtolower($name) === 'webfiori') {

$this->success("🎉 Hello, $name! Welcome to the CLI world!");

$this->info('You\'re using the WebFiori CLI library.');

} else {

// Standard greeting

$this->println("Hello, $name! 👋");

// Add some personality based on name length

if (strlen($name) > 10) {

$this->info('Wow, that\'s quite a long name!');

} elseif (strlen($name) <= 2) {

$this->info('Short and sweet!');

}

}

// Success message

$this->println('Have a wonderful day!');

return 0; // Success exit code

}

}