setup.sh

#!/usr/bin/env bash
set -e  # Stop on first error

echo "=== Setting up environment ==="

# Check prerequisites
command -v java >/dev/null 2>&1 || { echo >&2 "Java not found. Please install Java 17+."; exit 1; }
command -v node >/dev/null 2>&1 || { echo >&2 "Node.js not found. Please install Node.js 18+."; exit 1; }
command -v npm >/dev/null 2>&1 || { echo >&2 "npm not found. Please install npm."; exit 1; }
command -v mvn >/dev/null 2>&1 || { echo >&2 "Maven not found. Please install Maven."; exit 1; }
command -v stack >/dev/null 2>&1 || { echo >&2 "Haskell Stack not found. Please install Stack."; exit 1; }

# === Frontend ===
echo "=== Installing frontend dependencies ==="
cd frontend
npm install
cd ..

# === Backend ===
echo "=== Building backend ==="
cd backend
mvn clean install
cd ..

# === Haskell project ===
if [ -d "Re-Implementations/todo-haskell" ]; then
    echo "=== Building Haskell project ==="
    cd Re-Implementations/todo-haskell
    stack build
    cd ..
fi

echo "=== Setup complete ==="