#!/bin/bash

echo "🚀 Setting up local PostgreSQL database for Portfolio..."

# Check if PostgreSQL is installed
if ! command -v psql &> /dev/null; then
    echo "📦 PostgreSQL not found. Installing..."
    
    # Detect OS and install PostgreSQL
    if [[ "$OSTYPE" == "linux-gnu"* ]]; then
        # Ubuntu/Debian
        if command -v apt-get &> /dev/null; then
            sudo apt-get update
            sudo apt-get install -y postgresql postgresql-contrib
        # CentOS/RHEL
        elif command -v yum &> /dev/null; then
            sudo yum install -y postgresql postgresql-server postgresql-contrib
            sudo postgresql-setup initdb
            sudo systemctl enable postgresql
            sudo systemctl start postgresql
        # Arch Linux
        elif command -v pacman &> /dev/null; then
            sudo pacman -S postgresql
            sudo -u postgres initdb -D /var/lib/postgres/data
            sudo systemctl enable postgresql
            sudo systemctl start postgresql
        else
            echo "❌ Unsupported Linux distribution. Please install PostgreSQL manually."
            exit 1
        fi
    elif [[ "$OSTYPE" == "darwin"* ]]; then
        # macOS
        if command -v brew &> /dev/null; then
            brew install postgresql
            brew services start postgresql
        else
            echo "❌ Homebrew not found. Please install Homebrew first: https://brew.sh/"
            exit 1
        fi
    else
        echo "❌ Unsupported OS. Please install PostgreSQL manually."
        exit 1
    fi
else
    echo "✅ PostgreSQL already installed"
fi

# Start PostgreSQL service
if [[ "$OSTYPE" == "linux-gnu"* ]]; then
    sudo systemctl start postgresql
elif [[ "$OSTYPE" == "darwin"* ]]; then
    brew services start postgresql
fi

# Create database and user
echo "🔧 Setting up database..."
sudo -u postgres psql -c "CREATE DATABASE portfolio_db;" 2>/dev/null || echo "Database already exists"
sudo -u postgres psql -c "CREATE USER portfolio_user WITH PASSWORD 'portfolio_pass';" 2>/dev/null || echo "User already exists"
sudo -u postgres psql -c "GRANT ALL PRIVILEGES ON DATABASE portfolio_db TO portfolio_user;" 2>/dev/null || echo "Privileges already granted"
sudo -u postgres psql -c "ALTER USER portfolio_user WITH SUPERUSER;" 2>/dev/null || echo "Superuser already granted"

# Create .env.local file
echo "📝 Creating environment file..."
cat > .env.local << EOF
# Database Configuration
DATABASE_URL="postgresql://portfolio_user:portfolio_pass@localhost:5432/portfolio_db?schema=public"

# Next.js Configuration
NEXTAUTH_SECRET="$(openssl rand -base64 32)"
NEXTAUTH_URL="http://localhost:3000"

# Optional: Analytics
GOOGLE_ANALYTICS_ID=""
GOOGLE_TAG_MANAGER_ID=""
EOF

echo "✅ Environment file created: .env.local"

# Install dependencies
echo "📦 Installing dependencies..."
npm install

# Generate Prisma client
echo "🔧 Generating Prisma client..."
npx prisma generate

# Run database migrations
echo "🗄️ Running database migrations..."
npx prisma db push

# Seed database with sample data
echo "🌱 Seeding database with sample data..."
npx prisma db seed

echo "🎉 Database setup complete!"
echo ""
echo "📋 Next steps:"
echo "1. Start your development server: npm run dev"
echo "2. Visit http://localhost:3000/admin to manage projects"
echo "3. Your database is running at localhost:5432"
echo ""
echo "🔧 Database commands:"
echo "- View database: npx prisma studio"
echo "- Reset database: npx prisma db push --force-reset"
echo "- Generate client: npx prisma generate"