<?php

namespace App\Support\Link;

final class LinkUserAgentParser
{
    /**
     * @return array{device_type: string, browser: string, os: string}
     */
    public static function parse(string $userAgent): array
    {
        $uaLower = strtolower($userAgent);

        $device = str_contains($uaLower, 'mobile') || str_contains($uaLower, 'android') || str_contains($uaLower, 'iphone')
            ? 'mobile'
            : (str_contains($uaLower, 'tablet') || str_contains($uaLower, 'ipad') ? 'tablet' : 'desktop');

        $browser = match (true) {
            str_contains($uaLower, 'edg/') => 'Edge',
            str_contains($uaLower, 'chrome/') && ! str_contains($uaLower, 'edg/') => 'Chrome',
            str_contains($uaLower, 'safari/') && ! str_contains($uaLower, 'chrome/') => 'Safari',
            str_contains($uaLower, 'firefox/') => 'Firefox',
            str_contains($uaLower, 'instagram') => 'Instagram',
            str_contains($uaLower, 'whatsapp') => 'WhatsApp',
            default => 'Other',
        };

        $os = match (true) {
            str_contains($uaLower, 'iphone') || str_contains($uaLower, 'ipad') => 'iOS',
            str_contains($uaLower, 'android') => 'Android',
            str_contains($uaLower, 'windows') => 'Windows',
            str_contains($uaLower, 'mac os') || str_contains($uaLower, 'macintosh') => 'macOS',
            str_contains($uaLower, 'linux') => 'Linux',
            default => 'Other',
        };

        return [
            'device_type' => $device,
            'browser' => $browser,
            'os' => $os,
        ];
    }
}