<?php

namespace Modules\Installer\Helpers;

use Illuminate\Support\Facades\DB;

class Utils
{
    /**
     * Check if the database connection is established.
     */
    public static function isDBConnected(): bool
    {
        try {
            DB::connection()->getPdo();
            return true;
        } catch (\Exception $e) {
            return false;
        }
    }

    public static function changeEnv($data = array())
    {
        if (count($data) > 0) {

            // Read .env-file
            $env = file_get_contents(base_path() . '/.env');

            // Split string on every " " and write into array
            $env = preg_split('/(\r\n|\n|\r)/', $env);

            // Loop through given data
            foreach ((array) $data as $key => $value) {

                // Loop through .env-data
                foreach ($env as $env_key => $env_value) {

                    // Turn the value into an array and stop after the first split
                    $entry = explode("=", $env_value, 2);

                    // Check, if new key fits the actual .env-key
                    if ($entry[0] == $key) {
                        // If yes, overwrite it with the new one
                        if ($value !== null) {

                            $env[$env_key] = $key . "=" . $value;
                        }
                    } else {
                        // If not, keep the old one
                        $env[$env_key] = $env_value;
                    }
                }
            }

            // Turn the array back to an String
            $env = implode("\n", $env);

            // And overwrite the .env with the new data
            file_put_contents(base_path() . '/.env', $env);

            return true;
        } else {
            return false;
        }
    }
}