#!/bin/bash

# File Transformer S3 Setup Script
# This script helps set up the development environment

set -e

echo "🚀 Setting up File Transformer S3..."

# Check if running on Arch Linux
if command -v pacman &> /dev/null; then
    echo "📦 Detected Arch Linux - installing dependencies with pacman..."
    
    # Check if Node.js is installed
    if ! command -v node &> /dev/null; then
        echo "Installing Node.js and npm..."
        sudo pacman -S --noconfirm nodejs npm
    else
        echo "✅ Node.js already installed"
    fi
    
    # Check if Python3 is installed
    if ! command -v python3 &> /dev/null; then
        echo "Installing Python3..."
        sudo pacman -S --noconfirm python python-pip
    else
        echo "✅ Python3 already installed"
    fi
    
    # Check if Docker is installed
    if ! command -v docker &> /dev/null; then
        echo "Installing Docker..."
        sudo pacman -S --noconfirm docker docker-compose
        sudo systemctl enable docker
        sudo systemctl start docker
        sudo usermod -aG docker $USER
        echo "⚠️  Please log out and back in for Docker group changes to take effect"
    else
        echo "✅ Docker already installed"
    fi

# Check if running on Ubuntu/Debian
elif command -v apt &> /dev/null; then
    echo "📦 Detected Ubuntu/Debian - installing dependencies with apt..."
    
    # Check if Node.js is installed
    if ! command -v node &> /dev/null; then
        echo "Installing Node.js and npm..."
        curl -fsSL https://deb.nodesource.com/setup_lts.x | sudo -E bash -
        sudo apt-get install -y nodejs
    else
        echo "✅ Node.js already installed"
    fi
    
    # Check if Python3 is installed
    if ! command -v python3 &> /dev/null; then
        echo "Installing Python3..."
        sudo apt-get update
        sudo apt-get install -y python3 python3-pip
    else
        echo "✅ Python3 already installed"
    fi
    
    # Check if Docker is installed
    if ! command -v docker &> /dev/null; then
        echo "Installing Docker..."
        curl -fsSL https://get.docker.com -o get-docker.sh
        sudo sh get-docker.sh
        sudo usermod -aG docker $USER
        rm get-docker.sh
        echo "⚠️  Please log out and back in for Docker group changes to take effect"
    else
        echo "✅ Docker already installed"
    fi

else
    echo "⚠️  Unsupported package manager. Please install manually:"
    echo "   - Node.js and npm"
    echo "   - Python3 and pip"
    echo "   - Docker and docker-compose"
fi

# Create .env file if it doesn't exist
if [ ! -f .env ]; then
    echo "📝 Creating .env file from template..."
    cp env.example .env
    echo "✅ Created .env file"
    echo "⚠️  Please edit .env with your configuration values"
else
    echo "✅ .env file already exists"
fi

# Install Node.js dependencies
echo "📦 Installing Node.js dependencies..."
cd dashboard
npm install
cd ..

# Install Python dependencies
echo "🐍 Installing Python dependencies..."
pip3 install -r functions/requirements.txt

echo "✅ Setup complete!"
echo ""
echo "Next steps:"
echo "1. Edit .env file with your configuration"
echo "2. Run 'make deploy-local' to start the system"
echo "3. Or run 'make dev-dashboard' for development mode"
echo ""
echo "Available commands:"
echo "  make help          - Show all available commands"
echo "  make deploy-local  - Deploy with Docker Compose"
echo "  make dev-dashboard - Start dashboard in dev mode"
echo "  make build-functions - Build function containers"