#!/usr/bin/keyhelp-php81
<?php declare(strict_types=1);

namespace App\Controller;

// & ~E_DEPRECATED is needed because of a bug in PhpStorm
use DI\DependencyException;
use DI\NotFoundException;
use App\Controller\CLIController;
use Exception;

error_reporting(error_level: E_ALL & ~E_DEPRECATED);

if (php_sapi_name() !== 'cli') {
	exit;
}

// version, store that somewhere else
$version = '0.0.1';

require dirname(path: __DIR__) . '/vendor/autoload.php';

$configFile = dirname(path: __DIR__) . "/config.json.local";
if (!file_exists(filename: $configFile)) {
	$configFile = dirname(path: __DIR__) . "/config.json";
}

if (!file_exists(filename: $configFile)) {
	echo 'Missing config file' . PHP_EOL;
	if (confirm(message: 'Should I create a new config based on config.json.sample?')) {
		copy(from: 'config.json.sample', to: 'config.json');
		echo 'Config file has been generated. Adjust it to your needs, then proceed to database setup.' . PHP_EOL;
	} else {
		echo 'You first have to setup the bindAPI. Bye.' . PHP_EOL;
		exit(0);
	}
	exit(1);
}
$configJSON = file_get_contents(filename: $configFile);

if (!$config = json_decode(json: $configJSON, associative: true)) {
	echo 'Error parsing the config file.' . PHP_EOL;
	echo $configJSON;
}

$shortOpts = 'v::'; // version
$shortOpts .= "V::"; // verbose
$shortOpts .= "h::"; // help

$longOpts = [
	'version::',
	'verbose::',
	'help::'
];

$options = getopt(short_options: $shortOpts, long_options: $longOpts, rest_index: $restIndex);

if (array_key_exists(key: 'v', array: $options) || array_key_exists(key: 'version', array: $options)) {
	print("bindAPI version: $version" . PHP_EOL);
	exit(0);
}

if (array_key_exists(key: 'h', array: $options) || array_key_exists(key: 'help', array: $options)) {
	print("Help …" . PHP_EOL);
	exit(0);
}

if (array_key_exists(key: 'V', array: $options) || array_key_exists(key: 'verbose', array: $options)) {
	$config['verbose'] = true;
} else {
	$config['verbose'] = false;
}

$arguments = array_slice(array: $argv, offset: $restIndex);

try {
	$app = new CLIController(config: $config, argumentsCount: count(value: $arguments), arguments: $arguments);
} catch (DependencyException|NotFoundException|Exception $e) {
	echo $e->getMessage() . PHP_EOL;
	exit(1);
}

$app->runCommand();


/**
 * @param String $message
 * @param array  $options
 * @param string $default
 *
 * @return bool
 */
function confirm(string $message = 'Are you sure? ', array $options = ['y', 'n'], string $default = 'n'): bool
{
	// first $options means true, any other false
	echo $message, ' (';
	$first = true;
	foreach ($options as $option) {
		// mark default
		if ($option == $default) {
			$option = strtoupper(string: $option);
		}
		if ($first) {
			echo $option;
			$first = false;
		} else {
			echo '/', $option;
		}
	}
	echo '): ';
	
	$handle = fopen(filename: "php://stdin", mode: 'r');
	$line = trim(string: fgetc(stream: $handle));
	fclose(stream: $handle);
	
	if ($line == '') {
		// enter
		$line = $default;
	}
	
	if ($line == $options[0]) {
		$result = true;
	} else {
		$result = false;
	}
	
	return $result;
}