#!/usr/bin/env bash
set -euo pipefail

# ─── CONSTANTS ───────────────────────────────────────────────────────────────

BASE_URL="https://script.twentur.com"

# ─── COLORS ──────────────────────────────────────────────────────────────────

R='\033[0;31m'
G='\033[0;32m'
Y='\033[0;33m'
B='\033[0;34m'
C='\033[0;36m'
W='\033[1;37m'
D='\033[2m'
N='\033[0m'

# ─── REGISTRY ────────────────────────────────────────────────────────────────

SCRIPTS_ID=(
    "setup"
    "beszel-hub"
    "beszel-agent"
    "remnanode"
)
SCRIPTS_LABEL=(
    "System Setup"
    "Beszel Hub"
    "Beszel Agent"
    "Remnanode"
)
SCRIPTS_DESC=(
    "Initial Debian configuration: upgrade, base packages, UFW firewall, timezone"
    "Install Beszel monitoring hub via Docker with optional Nginx reverse proxy"
    "Install Beszel monitoring agent via Docker"
    "Install Remnawave node via Docker with geoip/geosite files"
)

# ─── HELPERS ─────────────────────────────────────────────────────────────────

print_banner() {
    clear 2>/dev/null || true
    echo -e "${W}"
    echo "  ╔══════════════════════════════════════════════════╗"
    echo "  ║   TWENTUR · Script Hub                           ║"
    echo "  ║   script.twentur.com                             ║"
    echo "  ╚══════════════════════════════════════════════════╝"
    echo -e "${N}"
}

print_menu() {
    local total=${#SCRIPTS_ID[@]}
    echo -e "  ${W}Available scripts:${N}"
    echo ""
    for (( i=0; i<total; i++ )); do
        local num=$(( i + 1 ))
        echo -e "  ${C}[${num}]${N} ${W}${SCRIPTS_LABEL[$i]}${N}"
        echo -e "  ${D}    ${SCRIPTS_DESC[$i]}${N}"
        echo -e "  ${D}    → wget -qO- ${BASE_URL}/${SCRIPTS_ID[$i]} | bash${N}"
        echo ""
    done
    echo -e "  ${C}[0]${N} Exit"
    echo ""
}

run_script() {
    local id="$1"
    local url="${BASE_URL}/${id}"
    echo ""
    echo -e "  ${Y}Fetching ${url} ...${N}"
    echo ""
    if command -v wget &>/dev/null; then
        wget -qO- "$url" | bash
    elif command -v curl &>/dev/null; then
        curl -fsSL "$url" | bash
    else
        echo -e "  ${R}Error: wget or curl is required.${N}"
        exit 1
    fi
}

# ─── MAIN ────────────────────────────────────────────────────────────────────

main() {
    local total=${#SCRIPTS_ID[@]}

    print_banner
    print_menu

    while true; do
        echo -ne "  ${W}Select [1-${total}] or 0 to exit: ${N}"
        read -r choice </dev/tty

        if [[ "$choice" == "0" ]]; then
            echo ""
            echo -e "  ${D}Exited.${N}"
            echo ""
            exit 0
        fi

        if [[ "$choice" =~ ^[0-9]+$ ]] && (( choice >= 1 && choice <= total )); then
            local idx=$(( choice - 1 ))
            run_script "${SCRIPTS_ID[$idx]}"
            exit $?
        fi

        echo -e "  ${R}Invalid choice. Enter a number between 0 and ${total}.${N}"
    done
}

main