change-server.sh

#!/bin/bash
set -e

RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
CYAN='\033[0;36m'
NC='\033[0m'

if [ "$EUID" -ne 0 ]; then
    echo -e "${RED}[!] Jalankan dengan sudo: sudo bash change-server.sh${NC}"
    exit 1
fi

# Load current config
if [ ! -f /etc/surfshark-socks5.conf ]; then
    echo -e "${RED}[!] Config tidak ditemukan. Jalankan install.sh dulu.${NC}"
    exit 1
fi
source /etc/surfshark-socks5.conf

declare -A SERVERS
SERVERS[sg]="sg-sng.prod.surfshark.com"
SERVERS[id]="id-jak.prod.surfshark.com"
SERVERS[us]="us-nyc.prod.surfshark.com"
SERVERS[jp]="jp-tok.prod.surfshark.com"
SERVERS[uk]="uk-lon.prod.surfshark.com"
SERVERS[de]="de-fra.prod.surfshark.com"
SERVERS[au]="au-syd.prod.surfshark.com"
SERVERS[hk]="hk-hkg.prod.surfshark.com"

echo -e "${CYAN}[*] Ganti Lokasi Server Surfshark${NC}"
echo -e "  Saat ini: ${YELLOW}${SF_LOC} (${SF_SERVER})${NC}"
echo ""
echo "  sg = 🇸🇬 Singapore    id = 🇮🇩 Jakarta"
echo "  us = 🇺🇸 New York     jp = 🇯🇵 Tokyo"
echo "  uk = 🇬🇧 London       de = 🇩🇪 Frankfurt"
echo "  au = 🇦🇺 Sydney       hk = 🇭🇰 Hong Kong"
echo ""
read -p "  Kode lokasi baru: " NEW_LOC

if [ -z "${SERVERS[$NEW_LOC]}" ]; then
    echo -e "${RED}[!] Kode '$NEW_LOC' tidak valid!${NC}"
    exit 1
fi

NEW_SERVER="${SERVERS[$NEW_LOC]}"
echo -e "  → Ganti ke: ${GREEN}${NEW_SERVER}${NC}"

# Update OpenVPN config
sed -i "s|^remote .*|remote ${NEW_SERVER} 1194|" /etc/openvpn/surfshark-socks.conf

# Update saved config
sed -i "s|^SF_LOC=.*|SF_LOC=\"${NEW_LOC}\"|" /etc/surfshark-socks5.conf
sed -i "s|^SF_SERVER=.*|SF_SERVER=\"${NEW_SERVER}\"|" /etc/surfshark-socks5.conf

# Restart services
echo -e "${CYAN}[*] Restart services...${NC}"
systemctl restart surfshark-vpn
sleep 4
systemctl restart surfshark-socks5
sleep 2

# Verify
SOCKS_IP=$(curl -s --socks5 127.0.0.1:${SF_PORT} --max-time 10 https://ifconfig.me 2>/dev/null || echo "timeout")
echo ""
echo -e "${GREEN}  ✅ Server diganti ke: ${NEW_SERVER}${NC}"
echo -e "${GREEN}  ✅ IP SOCKS5 sekarang: ${SOCKS_IP}${NC}"