#!/usr/bin/env bash
# WSL dev server setup: remove Caddy, install Apache+PHP, configure for feuerwehr project.
# Run with: bash scripts/wsl-dev-server-setup.sh
# You will be prompted for sudo when needed.

set -e

PROJECT_NAME="feuerwehr-freising-antragsformular"
REPO_ROOT="/home/user/${PROJECT_NAME}"
WWW_ROOT="/var/www"
VHOST_NAME="feuerwehr-dev"
SERVER_NAME="feuerwehr.local"

echo "=== 1. Remove Caddy ==="
if systemctl is-active --quiet caddy 2>/dev/null; then
  sudo systemctl stop caddy
  echo "Stopped caddy."
fi
if systemctl is-enabled --quiet caddy 2>/dev/null; then
  sudo systemctl disable caddy
  echo "Disabled caddy."
fi
if command -v caddy &>/dev/null; then
  sudo apt-get remove -y caddy || true
  echo "Removed caddy package."
fi
if [ -d /etc/caddy ]; then
  sudo rm -rf /etc/caddy
  echo "Removed /etc/caddy."
fi
if [ -d /var/lib/caddy ]; then
  sudo rm -rf /var/lib/caddy
  echo "Removed /var/lib/caddy."
fi
echo "Caddy removal done."

echo ""
echo "=== 2. Install Apache and PHP ==="
sudo apt-get update -qq
sudo apt-get install -y apache2 libapache2-mod-php php php-cli php-json php-mbstring php-xml
sudo a2enmod rewrite
echo "Apache and PHP installed; mod_rewrite enabled."

echo ""
echo "=== 3. Document root and symlink ==="
sudo mkdir -p "$WWW_ROOT"
if [ ! -L "${WWW_ROOT}/${PROJECT_NAME}" ]; then
  sudo ln -s "$REPO_ROOT" "${WWW_ROOT}/${PROJECT_NAME}"
  echo "Symlink ${WWW_ROOT}/${PROJECT_NAME} -> ${REPO_ROOT} created."
else
  echo "Symlink ${WWW_ROOT}/${PROJECT_NAME} already exists."
fi
# Ensure www-data can read project and write storage
sudo chmod -R o+rX "$REPO_ROOT"
sudo chmod -R o+w "$REPO_ROOT/storage" 2>/dev/null || true
echo "Permissions set for www-data."

echo ""
echo "=== 4. Apache vhost ==="
VHOST_FILE="/etc/apache2/sites-available/${VHOST_NAME}.conf"
sudo tee "$VHOST_FILE" << EOF
<VirtualHost *:80>
    ServerName ${SERVER_NAME}
    DocumentRoot ${WWW_ROOT}/${PROJECT_NAME}
    <Directory ${WWW_ROOT}/${PROJECT_NAME}>
        AllowOverride All
        Require all granted
    </Directory>
</VirtualHost>
EOF
echo "Vhost written to $VHOST_FILE."
sudo a2ensite "${VHOST_NAME}.conf"
# Disable default site if it would take port 80
sudo a2dissite 000-default.conf 2>/dev/null || true
sudo systemctl reload apache2
echo "Site enabled and Apache reloaded."

echo ""
echo "=== Hosts entry ==="
echo "Add this line to your hosts file so ${SERVER_NAME} resolves:"
echo "  127.0.0.1 ${SERVER_NAME}"
echo ""
echo "  Windows (run as Admin): notepad C:\\Windows\\System32\\drivers\\etc\\hosts"
echo "  WSL: sudo sed -i '/${SERVER_NAME}/d' /etc/hosts; echo '127.0.0.1 ${SERVER_NAME}' | sudo tee -a /etc/hosts"
if ! grep -q "${SERVER_NAME}" /etc/hosts 2>/dev/null; then
  echo "127.0.0.1 ${SERVER_NAME}" | sudo tee -a /etc/hosts
  echo "Added ${SERVER_NAME} to /etc/hosts (WSL)."
fi

echo ""
echo "=== Done ==="
echo "Open http://${SERVER_NAME} in your browser to view the app."
echo "To add more projects: symlink under ${WWW_ROOT}/ and add a new site in /etc/apache2/sites-available/."