#!/bin/bash
set -e

DOMAIN="${1:-192.168.2.175:3000}"

export PATH="$HOME/.local/node/bin:$PATH"

echo "=== FairReview Deployment Script ==="
echo "Target domain: $DOMAIN"
echo ""

# Check if running as root or with sudo
if [ "$EUID" -eq 0 ]; then
    echo "Warning: Running as root is not recommended. Use a regular user with sudo."
    echo ""
fi

# Load database credentials
if [ ! -f .postgres-env ]; then
    echo "Error: .postgres-env file not found!"
    echo "Please create .postgres-env with your database credentials."
    exit 1
fi

source .postgres-env

# Export database credentials for Node.js scripts
export DB_HOST DB_PORT DB_USER DB_PASS DB_NAME

# Validate credentials
if [ -z "$DB_PASS" ] || [ "$DB_PASS" = "your_password_here" ]; then
    echo "Error: Please update .postgres-env with your actual database password."
    exit 1
fi

echo "Database configuration:"
echo "  Host: $DB_HOST:$DB_PORT"
echo "  Database: $DB_NAME"
echo "  User: $DB_USER"
echo ""

# Install Node.js 18.x
echo "=== Installing Node.js 18.x ==="
if ! command -v node &> /dev/null; then
    curl -fsSL https://deb.nodesource.com/setup_18.x | sudo -E bash -
    sudo apt install -y nodejs
else
    echo "Node.js already installed: $(node --version)"
fi

# Install required packages
echo ""
echo "=== Installing required packages ==="
sudo apt update
sudo apt install -y curl build-essential git postgresql-client

# Install PM2 globally
echo ""
echo "=== Installing PM2 ==="
if ! command -v pm2 &> /dev/null; then
    sudo npm install -g pm2
else
    echo "PM2 already installed: $(pm2 --version)"
fi

# Install npm dependencies
echo ""
echo "=== Installing npm dependencies ==="
npm install
npm install next-auth@beta @prisma/client bcryptjs
npm install -D prisma @types/bcryptjs

# Create .env.local
echo ""
echo "=== Creating environment configuration ==="
NEXTAUTH_SECRET=$(openssl rand -base64 32)
cat > .env.local << EOF
DATABASE_URL="postgresql://${DB_USER}:${DB_PASS}@${DB_HOST}:${DB_PORT}/${DB_NAME}?sslmode=require"
NEXTAUTH_SECRET="${NEXTAUTH_SECRET}"
NEXTAUTH_URL="http://${DOMAIN}"
STEAM_API_KEY="YOUR_STEAM_WEB_API_KEY"
EOF

echo "Environment file created: .env.local"
echo "  NEXTAUTH_URL: http://${DOMAIN}"
echo "  Database: ${DB_HOST}:${DB_PORT}/${DB_NAME}"
echo ""
echo "IMPORTANT: Update STEAM_API_KEY in .env.local with your Steam Web API key!"

# Generate Prisma client
echo ""
echo "=== Setting up database ==="
npx prisma generate

# Create database if it doesn't exist
echo ""
echo "=== Creating database if not exists ==="
node scripts/create-db.js

# Push schema to database
export DATABASE_URL="postgresql://${DB_USER}:${DB_PASS}@${DB_HOST}:${DB_PORT}/${DB_NAME}?sslmode=require"
npx prisma db push

# Build for production
echo ""
echo "=== Building for production ==="
npm run build

# Configure PM2
echo ""
echo "=== Starting application with PM2 ==="
pm2 stop fairreview 2>/dev/null || true
pm2 delete fairreview 2>/dev/null || true
pm2 start npm --name "fairreview" -- start -- -H 0.0.0.0

# Save PM2 config for restart on reboot
pm2 save

# Setup PM2 startup (if systemd is available)
if command -v systemctl &> /dev/null; then
    sudo env PATH=$PATH:/usr/bin /usr/lib/node_modules/pm2/bin/pm2 startup systemd -u $USER --hp $HOME 2>/dev/null || true
fi

echo ""
echo "=== Deployment Complete ==="
echo "Application running at: http://${DOMAIN}"
echo ""
echo "Useful commands:"
echo "  pm2 status          - Check application status"
echo "  pm2 logs            - View application logs"
echo "  pm2 restart fairreview - Restart application"