#!/bin/bash
# Setup script for OBS R2 Uploader
# Installs dependencies and configures the environment

set -e  # Exit on error

echo "=================================================="
echo "OBS R2 Uploader - Setup Script"
echo "=================================================="
echo ""

# Get the directory where this script is located
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
PROJECT_DIR="$(dirname "$SCRIPT_DIR")"

cd "$PROJECT_DIR"

# Check Python version
echo "Checking Python version..."
if command -v python3 &> /dev/null; then
    PYTHON_VERSION=$(python3 --version | cut -d' ' -f2)
    echo "✓ Python $PYTHON_VERSION found"
else
    echo "✗ Python 3 is not installed"
    exit 1
fi

# Check Node.js version
echo "Checking Node.js version..."
if command -v node &> /dev/null; then
    NODE_VERSION=$(node --version)
    echo "✓ Node.js $NODE_VERSION found"
else
    echo "✗ Node.js is not installed"
    exit 1
fi

# Check if wrangler is installed
echo "Checking Wrangler CLI..."
if command -v wrangler &> /dev/null; then
    WRANGLER_VERSION=$(wrangler --version)
    echo "✓ Wrangler $WRANGLER_VERSION found"
else
    echo "✗ Wrangler is not installed"
    echo "Installing Wrangler globally..."
    npm install -g wrangler
fi

# Install Python dependencies
echo ""
echo "Installing Python dependencies..."

# Check if virtual environment exists, create if not
if [ ! -d "venv" ]; then
    echo "Creating virtual environment..."
    python3 -m venv venv
fi

# Install dependencies in virtual environment
echo "Installing packages in virtual environment..."
venv/bin/pip install -r requirements.txt

echo "✓ Python dependencies installed in venv/"
echo "  Activate with: source venv/bin/activate"

# Check if .env exists
echo ""
if [ -f .env ]; then
    echo "✓ .env file already exists"
else
    echo "Creating .env file from template..."
    cp .env.example .env
    echo "⚠ Please edit .env file and add your Cloudflare R2 credentials"
    echo "  You can get these from the Cloudflare dashboard after creating an R2 bucket"
fi

# Check if wrangler is authenticated
echo ""
echo "Checking Wrangler authentication..."
if wrangler whoami &> /dev/null; then
    echo "✓ Wrangler is authenticated"
else
    echo "⚠ Wrangler is not authenticated"
    echo "Run 'wrangler login' to authenticate with Cloudflare"
fi

echo ""
echo "=================================================="
echo "Setup complete!"
echo "=================================================="
echo ""
echo "Next steps:"
echo "1. Run 'wrangler login' to authenticate with Cloudflare (if not done)"
echo "2. Edit .env file with your R2 credentials"
echo "3. Run './scripts/deploy.sh' to create R2 bucket and deploy worker"
echo "4. Test upload with './scripts/upload.sh /path/to/video.mp4'"
echo ""