<?php

namespace ProcessMaker;

use Igaster\LaravelTheme\Facades\Theme;
use Illuminate\Foundation\Application as IlluminateApplication;
use Illuminate\Support\Facades\Auth;

/**
 * Class Application.
 */
class Application extends IlluminateApplication
{
    /**
     * Sets the timezone for the application and for php with the specified timezone.
     *
     * @param $timezone string
     */
    public function setTimezone(string $timezone): void
    {
        if (!$this->configurationIsCached()) {
            config(['app.timezone' => $timezone]);
        }

        date_default_timezone_set(config('app.timezone'));
    }

    /**
     * Retrieves the currently set timezone.
     */
    public function getTimezone(): string
    {
        return config('app.timezone');
    }

    /**
     * TODO Is this method, getSystemConstants() still necessary?
     *
     * Return the System defined constants and Application variables
     *   Constants: SYS_*
     *   Sessions : USER_* , URS_*
     *
     * @note: This is ported from Gulliver System. This will most likely need to be refactored/removed
     *
     * @return array contents of system contents
     */
    public function getSystemConstants()
    {
        $sysCon = [];
        $sysCon['SYS_LANG'] = $this->getLocale();

        // Get the current theme
        $sysCon['SYS_SKIN'] = Theme::get();

        // The following items should be refactored to no longer use $_SESSION
        // Since these items should be request scope specific and not session specific
        $sysCon['APPLICATION'] = (isset($_SESSION['APPLICATION'])) ? $_SESSION['APPLICATION'] : '';
        $sysCon['PROCESS'] = (isset($_SESSION['PROCESS'])) ? $_SESSION['PROCESS'] : '';
        $sysCon['TASK'] = (isset($_SESSION['TASK'])) ? $_SESSION['TASK'] : '';
        $sysCon['INDEX'] = (isset($_SESSION['INDEX'])) ? $_SESSION['INDEX'] : '';
        $sysCon['USER_LOGGED'] = Auth::user() ? Auth::user()->USR_UID : '';
        $sysCon['USER_USERNAME'] = Auth::user() ? Auth::user()->USR_USERNAME : '';

        return $sysCon;
    }

    /**
     * Get the path to the application "app" directory.
     *
     * @note This extends the base Application to specify ProcessMaker instead of app as the main directory
     *
     * @param string $path Optionally, a path to append to the app path
     *
     * @return string
     */
    public function path($path = '')
    {
        return $this->basePath . DIRECTORY_SEPARATOR . 'ProcessMaker' . ($path ? DIRECTORY_SEPARATOR . $path : $path);
    }
}