#!/bin/bash

# Laravel Server Setup Script for Ubuntu 24.04
# Run as root or with sudo

set -e

echo "=========================================="
echo "Laravel Server Setup for Ubuntu 24.04"
echo "=========================================="

# Update system
echo "[1/8] Updating system packages..."
apt update && apt upgrade -y

# Install essential packages
echo "[2/8] Installing essential packages..."
apt install -y \
    software-properties-common \
    curl \
    git \
    unzip \
    supervisor \
    acl

# Add PHP repository and install PHP 8.3
echo "[3/8] Installing PHP 8.3 and extensions..."
add-apt-repository -y ppa:ondrej/php
apt update
apt install -y \
    php8.3-fpm \
    php8.3-cli \
    php8.3-mysql \
    php8.3-pgsql \
    php8.3-sqlite3 \
    php8.3-redis \
    php8.3-mbstring \
    php8.3-xml \
    php8.3-curl \
    php8.3-zip \
    php8.3-bcmath \
    php8.3-intl \
    php8.3-gd \
    php8.3-imagick \
    php8.3-opcache

# Install Composer
echo "[4/8] Installing Composer..."
curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer

# Install Node.js 20.x
echo "[5/8] Installing Node.js 20.x..."
curl -fsSL https://deb.nodesource.com/setup_20.x | bash -
apt install -y nodejs

# Database selection
echo "[6/8] Database Installation..."
echo ""
echo "Select database server to install:"
echo "1) MySQL 8.0"
echo "2) PostgreSQL 16"
echo "3) SQLite only (no server needed)"
echo "4) Both MySQL and PostgreSQL"
read -p "Enter choice [1-4]: " DB_CHOICE

case $DB_CHOICE in
    1)
        apt install -y mysql-server
        systemctl enable mysql
        systemctl start mysql
        echo "MySQL 8.0 installed."
        echo ""
        echo "To secure MySQL, run: sudo mysql_secure_installation"
        echo "To create database:"
        echo "  sudo mysql"
        echo "  CREATE DATABASE your_app;"
        echo "  CREATE USER 'your_user'@'localhost' IDENTIFIED BY 'password';"
        echo "  GRANT ALL PRIVILEGES ON your_app.* TO 'your_user'@'localhost';"
        echo "  FLUSH PRIVILEGES;"
        ;;
    2)
        apt install -y postgresql postgresql-contrib
        systemctl enable postgresql
        systemctl start postgresql
        echo "PostgreSQL 16 installed."
        echo ""
        echo "To create database:"
        echo "  sudo -u postgres psql"
        echo "  CREATE DATABASE your_app;"
        echo "  CREATE USER your_user WITH ENCRYPTED PASSWORD 'password';"
        echo "  GRANT ALL PRIVILEGES ON DATABASE your_app TO your_user;"
        ;;
    3)
        echo "SQLite selected - no server installation needed."
        echo "SQLite is included with PHP (php8.3-sqlite3 already installed)."
        ;;
    4)
        apt install -y mysql-server postgresql postgresql-contrib
        systemctl enable mysql postgresql
        systemctl start mysql postgresql
        echo "Both MySQL and PostgreSQL installed."
        ;;
esac

# Install Redis
echo "[7/8] Installing Redis..."
apt install -y redis-server
systemctl enable redis-server
systemctl start redis-server

# Web server selection
echo "[8/8] Web Server Installation..."
echo ""
echo "Select web server to install:"
echo "1) Nginx (recommended for Nginx Proxy Manager setup)"
echo "2) Apache"
echo "3) Both"
echo "4) Skip (install manually later)"
read -p "Enter choice [1-4]: " WEB_SERVER_CHOICE

case $WEB_SERVER_CHOICE in
    1)
        apt install -y nginx
        systemctl enable nginx
        systemctl start nginx
        echo "Nginx installed."
        ;;
    2)
        apt install -y apache2 libapache2-mod-fcgid
        a2enmod rewrite headers ssl proxy_fcgi deflate expires setenvif
        systemctl enable apache2
        systemctl start apache2
        echo "Apache installed with required modules."
        ;;
    3)
        apt install -y nginx apache2 libapache2-mod-fcgid
        a2enmod rewrite headers ssl proxy_fcgi deflate expires setenvif
        systemctl enable nginx apache2
        # Stop Apache by default to avoid port conflict
        systemctl stop apache2
        systemctl start nginx
        echo "Both installed. Nginx is running. Apache is stopped (start manually when needed)."
        ;;
    4)
        echo "Skipping web server installation."
        ;;
esac

# Configure PHP-FPM
echo ""
echo "Configuring PHP-FPM..."
cat > /etc/php/8.3/fpm/conf.d/99-laravel.ini << 'EOF'
upload_max_filesize = 100M
post_max_size = 100M
max_execution_time = 300
memory_limit = 512M
opcache.enable = 1
opcache.memory_consumption = 256
opcache.interned_strings_buffer = 16
opcache.max_accelerated_files = 10000
opcache.validate_timestamps = 0
EOF

systemctl restart php8.3-fpm

# Create web directory
echo ""
echo "Creating web directory structure..."
mkdir -p /var/www
chown -R www-data:www-data /var/www

# Setup firewall
echo ""
echo "Configuring UFW firewall..."
ufw allow OpenSSH
ufw allow 'Nginx Full' 2>/dev/null || true
ufw allow 'Apache Full' 2>/dev/null || true
ufw --force enable

echo ""
echo "=========================================="
echo "Server setup complete!"
echo "=========================================="
echo ""
echo "Installed:"
echo "  - PHP 8.3 with FPM and extensions (MySQL, PostgreSQL, SQLite drivers)"
echo "  - Composer"
echo "  - Node.js 20.x"
echo "  - Database server (based on selection)"
echo "  - Redis"
echo "  - Web server (based on selection)"
echo ""
echo "Next steps:"
echo "  1. Create database and user for your selected database"
echo "  2. Clone your Laravel app to /var/www/your-app"
echo "  3. Copy appropriate .env file from deploy/production/"
echo "     - .env.mysql.production"
echo "     - .env.pgsql.production"
echo "     - .env.sqlite.production"
echo "  4. Configure web server (use configs from deploy/nginx or deploy/apache)"
echo "  5. Set permissions: deploy/scripts/fix-permissions.sh"
echo ""