<?php

namespace App\Lib;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Route;
use Illuminate\Support\Str;

/**
 * Helper Class
 */
class Helper
{

    /**
     * Package infos
     *
     * @var array
     */
    private static $packageInfos;

    /**
     * Tells if the request is within apiV2 routes
     *
     * @param Request $request
     * @return boolean
     */
    public static function isRequestForApiV2(Request $request)
    {
        // Small hack to ensure to know if route is From APIv2
        $routeName = static::getRouteName($request) ??
            (strpos($request->path(), 'api/v2') === 0 ? 'apiV2.' : null) ?? 'none';
        return strpos($routeName, 'apiV2.') === 0;
    }

    /**
     * Tells if the request is within apiV1 routes
     *
     * @param Request $request
     * @return boolean
     */
    public static function isRequestForApiV1(Request $request): bool
    {
        // Small hack to ensure to know if route is From APIv1
        $routePrefix = (strpos(static::getRoutePrefix($request), 'api/v1') ? 'v1' : null) ??
            (strpos($request->path(), 'api/v1') === 0 ? 'v1' : null) ?? 'none';
        return strpos($routePrefix, 'v1') === 0;
    }

    /**
     * Try to get current route name
     *
     * @param Request $request
     * @return string|null
     */
    public static function getRouteName(Request $request)
    {
        return Route::currentRouteName() ?? ($request->route() ? $request->route()->getName() : null);
    }

    /**
     * Try to get current route prefix
     *
     * @param Request $request
     * @return string|null
     */
    public static function getRoutePrefix(Request $request)
    {
        return (Route::getCurrentRoute() ? Route::getCurrentRoute()->getPrefix() : null) ??
            ($request->route() ? $request->route()->getPrefix() : null);
    }

    /**
     * Try to get route from request
     *
     * @param Request $request
     * @return \Illuminate\Routing\Route|null
     */
    public static function getRoute(Request $request)
    {
        return Route::getRoutes()->getByName(static::getRouteName($request));
    }

    /**
     * Get composer.json infos
     *
     * @return array
     */
    public static function getPackageInfo(): array
    {
        if (!static::$packageInfos) {
            static::$packageInfos = \json_decode(\file_get_contents(__DIR__ . '/../../composer.json'), true);
        }
        return static::$packageInfos;
    }

    /**
     * Undocumented function
     *
     * @param Request $request
     * @return string|null
     */
    public static function getBearerTokenFromRequest(Request $request): ?string
    {
        $header = $request->header('Authorization', '');

        if (Str::contains($header, 'Bearer ')) {
            $auths = \explode(',', $header);
            foreach ($auths as $auth) {
                if (Str::contains($auth, 'Bearer ')) {
                    return Str::substr($auth, 7);
                }
            }
        }
        return null;
    }
}