#!/usr/bin/env php
<?php

include $_composer_autoload_path ?? __DIR__ . '/../vendor/autoload.php';

echo "ℹ️ DBmodel files\n\n";

$project_root = findProjectRoot(__DIR__);

if (!$project_root) {
	echo "⛔ Project root not found\n";
	exit(1);
}
$composer_arr = json_decode(file_get_contents($project_root . '/composer.json'), true);

echo "Project root: {$project_root}\n";
$source_dirs = array_values($composer_arr['autoload']['psr-4']);
foreach ($source_dirs as $index => $source_dir) {
	echo "➡️ [$index]: $project_root/$source_dir\n";
}
$selected = readline("❔ Select source dir [default: 0]: ");
$selected = empty($selected) ? 0 : $selected;
if (!isset($source_dirs[$selected])) {
	echo "⛔ Invalid selection\n";
	exit(2);
}
$source_dir = $project_root . '/' . $source_dirs[$selected];
$source_dir = rtrim($source_dir, '/') . '/';
$namespaces = array_keys($composer_arr['autoload']['psr-4']);
$namespace = $namespaces[$selected];
echo "✔️ Source dir: {$source_dir} with namespace: {$namespace}\n";

// Copy files
echo "ℹ️ Copy files\n";

copyFile($project_root . '/config/Configuration.php', '<' . '?php

$others_config = scandir(__DIR__);
$loaded = false;
foreach ($others_config as $file) {
	if ($file == basename(__FILE__)) continue;
	if (substr($file, -4) == \'.php\') {
		require_once __DIR__ . \'/\' . $file;
		$loaded = true;
	}
}

if (!$loaded) {
	class Configuration
	{
		public const DB_TYPE = \'sqlite\';
		// MySQL
		public const DB_HOST = \'localhost\';
		public const DB_USER = \'username\';
		public const DB_PASS = \'****************\';
		public const DB_NAME = \'databasename\';
		// SQLite
		public const DB_FILEPATH = __DIR__ . \'/../../data/database.db\';
	}
}

$protocol = (!empty($_SERVER[\'HTTPS\']) && $_SERVER[\'HTTPS\'] !== \'off\') ? "https://" : "http://";
$host = $_SERVER[\'HTTP_HOST\'];
$uri = $_SERVER[\'REQUEST_URI\']; // obsahuje aj query string

define(\'URL_PREFIX\', $protocol.$host.str_replace(basename($_SERVER[\'SCRIPT_NAME\']), \'\', $_SERVER[\'SCRIPT_NAME\']));
');

copyFile($source_dir . 'Maintenance.php', '<' . '?php

namespace ' . rtrim($namespace, '\\') . ';

class Maintenance extends \TPsoft\DBmodel\Maintenance
{

	public function database()
	{
		if (!$this->existsTable(\'options\')) {
			$this->checkDBTable(\'options\', \'
				`key` VARCHAR(255) NOT NULL PRIMARY KEY,
				`value` VARCHAR(255) NOT NULL
			\');
			$this->dbver(1);
		}
		$dbver = $this->dbver();
		if ($dbver == 1) {
			// create new
		}
	}

	protected function settings(string $key, ?string $value = null): string|false
	{
		if (is_null($value)) {
			return $this->dbh->getOne(sprintf(\'SELECT `value` FROM `options` WHERE `key` = %s\', $this->dbh->quote($key)));
		} else {
			$db_type = $this->dbh->getDBtype();
			switch ($db_type) {
				case \'mysql\':
					return $this->dbh->query(sprintf(
						\'INSERT INTO `options` (`key`, `value`) VALUES (%s, %s) ON DUPLICATE KEY UPDATE `value` = %s\',
						$this->dbh->quote($key),
						$this->dbh->quote($value),
						$this->dbh->quote($value)
					)) !== false;
					break;
				case \'sqlite\':
					return $this->dbh->query(sprintf(
						\'INSERT INTO `options` (`key`, `value`) VALUES (%s, %s) ON CONFLICT(`key`) DO UPDATE SET `value` = %s\',
						$this->dbh->quote($key),
						$this->dbh->quote($value),
						$this->dbh->quote($value)
					)) !== false;
					break;
				default:
					new \Exception(\'Unknown DB type: \' . $db_type);
					return false;
					break;
			}
		}
	}

	protected function dbver(?string $ver = null)
	{
		return $this->settings(\'version\', $ver);
	}
}
');

copyFile($source_dir . 'Init.php', '<' . '?php

require __DIR__ . \'/../vendor/autoload.php\';

use \TPsoft\DBmodel\DBmodel;
use \\' . $namespace . 'Maintenance;

global $dbh;

if (Configuration::DB_TYPE == \'mysql\') {
	$dbh = new DBmodel(sprintf(\'mysql:host=%s;dbname=%s;charset=utf8mb4\', Configuration::DB_HOST, Configuration::DB_NAME), Configuration::DB_USER, Configuration::DB_PASS);
} else if (Configuration::DB_TYPE == \'sqlite\') {
	$dbh = new DBmodel(sprintf(\'sqlite:%s\', Configuration::DB_FILEPATH));
} else {
	throw new Exception(\'Unknown database type\');
}

$maintenance = new Maintenance($dbh);
$maintenance->database();
');

copyFile($project_root . '/scripts/createModel.php', '<' . '?php

require_once __DIR__ . \'/../src/Init.php\';
use \TPsoft\DBmodel\Creator;

global $dbh;
$creator = new Creator($dbh);
$creator->rootDir(realpath(__DIR__.\'/../src/\'));
$creator->interact();
');

// Change composer.json
if (!isset($composer_arr['autoload']['files'])) {
	$composer_arr['autoload']['files'] = [];
}
$composer_arr['autoload']['files'][] = 'config/Configuration.php';
if (!isset($composer_arr['scripts'])) {
	$composer_arr['scripts'] = [];
}
if (!isset($composer_arr['scripts']['model'])) {
	$composer_arr['scripts']['model'] = 'php scripts/createModel.php';
}

$composer_json = json_encode($composer_arr, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
$composer_json = preg_replace_callback(
	'/^( +)/m',
	fn($m) => str_repeat("\t", intdiv(strlen($m[1]), 4)),
	$composer_json
);
$suc = file_put_contents($project_root . '/composer.json', $composer_json);
if ($suc) {
	echo "✅ File changed: $project_root/composer.json\n";
} else {
	echo "🔴 Failed to change file: $project_root/composer.json\n";
}


/**
 * Functions
 */
function findProjectRoot(string $startDir): ?string
{
	$dir = realpath($startDir);
	if (!$dir) return null;
	while ($dir && $dir !== dirname($dir)) {
		if (is_file($dir . '/vendor/autoload.php')) {
			return $dir;
		}
		$dir = dirname($dir);
	}
	return null;
}

function copyFile(string $destination, string $content): bool
{
	$dir = dirname($destination);
	if (!file_exists($dir)) {
		mkdir($dir, 0777, true);
	}
	if (file_exists($destination)) {
		echo "⚠️ File already exists: $destination\n";
		$confirm = readline("❔ Overwrite? (y - yes, other - no): ");
		if ($confirm != 'y') {
			return false;
		}
	}
	$suc = file_put_contents($destination, $content) !== false;
	if ($suc) {
		echo "✅ File created: $destination\n";
	} else {
		echo "🔴 Failed to create file: $destination\n";
	}
	return $suc;
}