#!/bin/bash
# Installation script for Linux System Tuning Suite

set -euo pipefail

INSTALL_DIR="/opt/linux-system-tuning"
BIN_DIR="/usr/local/bin"
SYSTEMD_DIR="/etc/systemd/system"

echo "🚀 Installing Linux System Tuning Suite"
echo "======================================="

# Check if running as root
if [[ $EUID -ne 0 ]]; then
    echo "Please run this installer as root (use sudo)"
    exit 1
fi

# Create installation directory
echo "Creating installation directory..."
mkdir -p "$INSTALL_DIR"
cp -r * "$INSTALL_DIR/"

# Create symlinks in PATH
echo "Creating command symlinks..."
ln -sf "$INSTALL_DIR/tune-system.sh" "$BIN_DIR/tune-system"
ln -sf "$INSTALL_DIR/system-analyzer.sh" "$BIN_DIR/system-analyzer"
ln -sf "$INSTALL_DIR/monitor.sh" "$BIN_DIR/system-monitor"

# Create directories
mkdir -p /var/lib/system-tuning/{backups,configs,logs}
mkdir -p /tmp/tmpfs-cache

echo "✅ Installation complete!"
echo ""
echo "Available commands:"
echo "  tune-system     - Main tuning tool"
echo "  system-analyzer - System analysis"  
echo "  system-monitor  - Performance monitoring"
echo ""
echo "Quick start:"
echo "  sudo system-analyzer          # Analyze your system"
echo "  sudo tune-system --auto       # Apply optimizations"
echo "  system-monitor live           # Monitor performance"
echo ""
echo "For more information, see: $INSTALL_DIR/README.md"