<?php

namespace App\Utils;


class Surge
{
    public static function buildShadowsocks($password, $server)
    {
        $config = [
            "{$server->name}=ss",
            "{$server->host}",
            "{$server->port}",
            "encrypt-method={$server->cipher}",
            "password={$password}",
            'tfo=true',
            'udp-relay=true'
        ];
        $config = array_filter($config);
        $uri = implode(',', $config);
        $uri .= "\r\n";
        return $uri;
    }

    public static function buildVmess($uuid, $server)
    {
        $config = [
            "{$server->name}=vmess",
            "{$server->host}",
            "{$server->port}",
            "username={$uuid}",
            'tfo=true',
            'udp-relay=true'
        ];
        if ($server->network === 'tcp') {
            if ($server->tls) {
                $tlsSettings = json_decode($server->tlsSettings);
                array_push($config, $server->tls ? 'tls=true' : 'tls=false');
                if (!empty($tlsSettings->allowInsecure)) {
                    array_push($config, $tlsSettings->allowInsecure ? 'skip-cert-verify=true' : 'skip-cert-verify=false');
                }
                if (!empty($tlsSettings->serverName)) {
                    array_push($config, "sni={$tlsSettings->serverName}");
                }
            }
        }

        if ($server->network === 'ws') {
            array_push($config, 'ws=true');
            if ($server->tls) {
                $tlsSettings = json_decode($server->tlsSettings);
                array_push($config, $server->tls ? 'tls=true' : 'tls=false');
                if (!empty($tlsSettings->allowInsecure)) {
                    array_push($config, $tlsSettings->allowInsecure ? 'skip-cert-verify=true' : 'skip-cert-verify=false');
                }
            }
            if ($server->networkSettings) {
                $wsSettings = json_decode($server->networkSettings);
                if (isset($wsSettings->path)) array_push($config, "ws-path={$wsSettings->path}");
                if (isset($wsSettings->headers->Host)) array_push($config, "ws-headers=host:{$wsSettings->headers->Host}");
            }
        }

        $uri = implode(',', $config);
        $uri .= "\r\n";
        return $uri;
    }

    public static function buildTrojan($password, $server)
    {
        $config = [
            "{$server->name}=trojan",
            "{$server->host}",
            "{$server->port}",
            "password={$password}",
            $server->server_name ? "sni={$server->server_name}" : "",
            'tfo=true',
            'udp-relay=true'
        ];
        if (!empty($server->allow_insecure)) {
            array_push($config, $server->allow_insecure ? 'skip-cert-verify=true' : 'skip-cert-verify=false');
        }
        $config = array_filter($config);
        $uri = implode(',', $config);
        $uri .= "\r\n";
        return $uri;
    }
}