#!/bin/bash

# This script helps set up your VPS for hosting your website and Nextcloud

# Check if we can connect to the VPS
echo "Testing connection to VPS..."
if ! ssh root@66.179.188.130 "echo 'Connection successful'"; then
  echo "Failed to connect to VPS. Please check your SSH configuration."
  exit 1
fi

# Check if Nginx is installed
echo "Checking if Nginx is installed..."
if ! ssh root@66.179.188.130 "which nginx > /dev/null"; then
  echo "Nginx is not installed. Installing..."
  ssh root@66.179.188.130 "apt update && apt install -y nginx"
else
  echo "Nginx is already installed."
fi

# Check if Certbot is installed
echo "Checking if Certbot is installed..."
if ! ssh root@66.179.188.130 "which certbot > /dev/null"; then
  echo "Certbot is not installed. Installing..."
  ssh root@66.179.188.130 "apt update && apt install -y certbot python3-certbot-nginx"
else
  echo "Certbot is already installed."
fi

# Create directory for the website
echo "Creating directory for the website..."
ssh root@66.179.188.130 "mkdir -p /var/www/boilerhaus.org"

# Create a temporary Nginx configuration without SSL
echo "Creating temporary Nginx configuration..."
cat > temp-boilerhaus.org.conf << EOF
server {
    listen 80;
    listen [::]:80;
    server_name boilerhaus.org www.boilerhaus.org cloud.boilerhaus.org git.boilerhaus.org;

    root /var/www/boilerhaus.org;
    index index.html;

    location / {
        try_files \$uri \$uri/ =404;
    }
}
EOF

# Upload temporary Nginx configuration
echo "Uploading temporary Nginx configuration..."
scp temp-boilerhaus.org.conf root@66.179.188.130:/etc/nginx/sites-available/boilerhaus.org

# Enable the site
echo "Enabling the site..."
ssh root@66.179.188.130 "ln -sf /etc/nginx/sites-available/boilerhaus.org /etc/nginx/sites-enabled/boilerhaus.org"

# Restart Nginx with temporary configuration
echo "Restarting Nginx with temporary configuration..."
ssh root@66.179.188.130 "systemctl restart nginx"

# Check for existing Nextcloud configuration
echo "Checking for existing Nextcloud configuration..."
if ssh root@66.179.188.130 "[ -d /var/www/nextcloud ]"; then
  echo "Nextcloud directory found. Assuming Nextcloud is already installed."
  
  # Ask if user wants to move Nextcloud to cloud subdomain
  read -p "Do you want to move Nextcloud to cloud.boilerhaus.org? (y/n): " move_nextcloud
  if [[ $move_nextcloud == "y" ]]; then
    echo "Updating Nextcloud configuration..."
    ssh root@66.179.188.130 "sed -i 's/\"trusted_domains\".*$/\"trusted_domains\" => [\"cloud.boilerhaus.org\"],/' /var/www/nextcloud/config/config.php"
  fi
else
  echo "Nextcloud directory not found. Please install Nextcloud manually after setting up the domains."
fi

# Check for Gitea port
echo "Checking if Gitea is running..."
if ssh root@66.179.188.130 "netstat -tuln | grep -q ':3000'"; then
  echo "Gitea appears to be running on port 3000."
else
  echo "Warning: Gitea doesn't seem to be running on the expected port (3000)."
  echo "Please make sure Gitea is installed and running before proceeding."
  read -p "Continue anyway? (y/n): " continue_anyway
  if [[ $continue_anyway != "y" ]]; then
    echo "Setup aborted. Please install and configure Gitea first."
    exit 1
  fi
fi

# Set up SSL certificates
echo "Setting up SSL certificates..."
ssh root@66.179.188.130 "certbot --nginx -d boilerhaus.org -d www.boilerhaus.org -d cloud.boilerhaus.org -d git.boilerhaus.org"

# Now upload the final configuration with SSL
echo "Uploading final Nginx configuration with SSL..."
scp boilerhaus.org.conf root@66.179.188.130:/etc/nginx/sites-available/boilerhaus.org

# Restart Nginx with final configuration
echo "Restarting Nginx with final configuration..."
ssh root@66.179.188.130 "systemctl restart nginx"

# Clean up temporary file
rm temp-boilerhaus.org.conf

echo "VPS setup complete!"