#!/usr/bin/env bash

# ─── Advanced Auto Root / Sudo / su / Termux Handler ─────────────

LOG_FILE="ks-puffer.log"

is_root() {
    [ "$(id -u 2>/dev/null)" = "0" ]
}

has_sudo() {
    command -v sudo >/dev/null 2>&1
}

has_su() {
    command -v su >/dev/null 2>&1
}

has_curl() {
    command -v curl >/dev/null 2>&1
}

is_termux() {
    [ -d "/data/data/com.termux" ] || [ -n "$PREFIX" ]
}

if ! is_root; then
    echo "🔍 Root not detected..."

    if has_sudo; then
        echo "⚡ Switching to root using sudo..."
        exec sudo bash "$0" "$@"

    elif has_su; then
        echo "⚡ Attempting root using su..."
        exec su -c "bash \"$0\" $*"

    elif is_termux; then
        echo "⚠️ Termux detected."
        echo "❌ Please run this script in a real Linux VPS (Debian/Ubuntu)."
        exit 1

    else
        echo "❌ Please run this script as root."
        exit 1
    fi
fi

# ─── KS Warrior PufferPanel Installer ────────────────
echo "=============================================="
echo "     ⚡ PufferPanel Installer by KS Warrior ⚡"
echo "=============================================="

# Ensure curl exists
if ! has_curl; then
    echo "Installing curl..."
    apt-get update -y >> "$LOG_FILE" 2>&1
    apt-get install -y curl >> "$LOG_FILE" 2>&1
fi

# Add repository
echo "Downloading PufferPanel repo..."
curl -fsSL https://packagecloud.io/install/repositories/pufferpanel/pufferpanel/script.deb.sh | bash >> "$LOG_FILE" 2>&1

# Install
echo "Installing PufferPanel..."
export DEBIAN_FRONTEND=noninteractive
apt-get update -y >> "$LOG_FILE" 2>&1
apt-get install -y pufferpanel >> "$LOG_FILE" 2>&1

# Add admin user
echo "Create User for PufferPanel"
if command -v pufferpanel >/dev/null 2>&1; then
    pufferpanel user add
else
    echo "❌ PufferPanel not installed correctly. Check $LOG_FILE"
    exit 1
fi

# Email directory
mkdir -p email
echo "{}" > email/emails.json

# Start in background
echo "Starting PufferPanel..."
nohup pufferpanel run >> "$LOG_FILE" 2>&1 < /dev/null &
disown 2>/dev/null || true

echo "=============================================="
echo "✅ Installation Complete!"
echo "🌐 Access Panel: http://SERVER-IP:8080"
echo "📄 Logs: $LOG_FILE"
echo "=============================================="