#!/bin/bash

# Setup script for Obsidian Web Interface
# This script configures nginx and systemd service

set -e

echo "🔧 Obsidian Web Interface Setup"
echo "================================"
echo ""

# Check if running as root
if [ "$EUID" -ne 0 ]; then
    echo "❌ This script requires root privileges. Please run with sudo:"
    echo "   sudo ./install-web.sh"
    exit 1
fi

SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
SERVICE_USER="uroma"
SERVICE_DIR="/home/uroma/obsidian-web-interface"
NGINX_SITES_AVAILABLE="/etc/nginx/sites-available"
NGINX_SITES_ENABLED="/etc/nginx/sites-enabled"

echo "📋 Configuration:"
echo "  Service user: $SERVICE_USER"
echo "  Service directory: $SERVICE_DIR"
echo "  Nginx config: $NGINX_SITES_AVAILABLE/obsidian-web"
echo ""

# 1. Create systemd service
echo "📦 Installing systemd service..."
cp "$SCRIPT_DIR/obsidian-web.service" /etc/systemd/system/
systemctl daemon-reload
echo "✅ Systemd service installed"

# 2. Configure nginx
echo ""
echo "🌐 Configuring nginx..."

# Backup existing config if it exists
if [ -f "$NGINX_SITES_AVAILABLE/obsidian-web" ]; then
    echo "⚠️  Existing nginx config found, backing up..."
    cp "$NGINX_SITES_AVAILABLE/obsidian-web" "$NGINX_SITES_AVAILABLE/obsidian-web.backup.$(date +%Y%m%d%H%M%S)"
fi

# Copy nginx config
cp "$SCRIPT_DIR/obsidian-nginx.conf" "$NGINX_SITES_AVAILABLE/obsidian-web"

# Create symlink if it doesn't exist
if [ ! -L "$NGINX_SITES_ENABLED/obsidian-web" ]; then
    ln -s "$NGINX_SITES_AVAILABLE/obsidian-web" "$NGINX_SITES_ENABLED/obsidian-web"
fi

# Test nginx config
if /usr/sbin/nginx -t 2>&1 | grep -q "successful"; then
    echo "✅ Nginx configuration valid"
else
    echo "❌ Nginx configuration test failed!"
    echo "Please check the configuration with: nginx -t"
    exit 1
fi

# Reload nginx
systemctl reload nginx
echo "✅ Nginx reloaded"

# 3. Start the service
echo ""
echo "🚀 Starting Obsidian Web Interface..."
systemctl enable obsidian-web
systemctl start obsidian-web

# Wait a moment for service to start
sleep 2

# Check service status
if systemctl is-active --quiet obsidian-web; then
    echo "✅ Service started successfully"
else
    echo "⚠️  Service may not have started correctly. Check status with:"
    echo "   systemctl status obsidian-web"
fi

echo ""
echo "================================"
echo "✅ Setup complete!"
echo ""
echo "📋 Service management:"
echo "  Start:   sudo systemctl start obsidian-web"
echo "  Stop:    sudo systemctl stop obsidian-web"
echo "  Restart: sudo systemctl restart obsidian-web"
echo "  Status:  sudo systemctl status obsidian-web"
echo "  Logs:    sudo journalctl -u obsidian-web -f"
echo ""
echo "🌐 Access your Obsidian Web Interface at:"
echo "  http://www.rommark.dev/claude"
echo ""
echo "🔐 Login credentials:"
echo "  Username: admin"
echo "  Password: !@#\$q1w2e3r4!A"
echo ""
echo "📝 Notes:"
echo "  - Your Obsidian vault is at: /home/$SERVICE_USER/obsidian-vault"
echo "  - The web server runs on port 3000 (behind nginx reverse proxy)"
echo "  - To enable HTTPS, run: sudo certbot --nginx -d www.rommark.dev"
echo ""