start.sh

#!/usr/bin/env bash
set -euo pipefail

# Legal Matter & Spend Analytics Dashboard — one-command launcher
# Usage: ./start.sh

API_PORT=8000
FRONTEND_PORT=8501
API_PID=""
FRONTEND_PID=""
SHUTTING_DOWN=0

cleanup() {
    # Guard against duplicate cleanup (trap can fire twice)
    [ "$SHUTTING_DOWN" -eq 1 ] && return
    SHUTTING_DOWN=1
    echo ""
    echo "Shutting down..."
    [ -n "$FRONTEND_PID" ] && kill "$FRONTEND_PID" 2>/dev/null
    [ -n "$API_PID" ] && kill "$API_PID" 2>/dev/null
    wait 2>/dev/null
    echo "Done."
    exit 0
}
trap cleanup INT TERM

# Check Python version
if ! command -v python3 &>/dev/null; then
    echo "Error: Python 3 is not installed."
    echo "Install Python 3.11+ from https://www.python.org/downloads/"
    exit 1
fi

PY_VERSION=$(python3 -c 'import sys; print(f"{sys.version_info.minor}")')
if [ "$PY_VERSION" -lt 11 ]; then
    echo "Error: Python 3.11+ is required (found 3.$PY_VERSION)."
    echo "Install Python 3.11+ from https://www.python.org/downloads/"
    exit 1
fi

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
cd "$SCRIPT_DIR"

# Create and activate virtual environment
if [ ! -d ".venv" ]; then
    echo "Creating virtual environment..."
    python3 -m venv .venv
fi
source .venv/bin/activate

# Install dependencies if not already installed
if ! python -c "import fastapi" 2>/dev/null; then
    echo "Installing dependencies..."
    pip install -q .
fi

echo "Starting API server on port $API_PORT..."
uvicorn lsa_app.main:app --port "$API_PORT" &
API_PID=$!

echo "Starting frontend on port $FRONTEND_PORT..."
streamlit run lsa_frontend/app.py --server.port "$FRONTEND_PORT" --server.headless true &
FRONTEND_PID=$!

# Wait for API to be ready
echo "Waiting for API..."
for i in $(seq 1 30); do
    if curl -sf "http://localhost:$API_PORT/health" >/dev/null 2>&1; then
        echo "API is ready."
        break
    fi
    sleep 1
done

# Open browser
if command -v open &>/dev/null; then
    open "http://localhost:$FRONTEND_PORT"
elif command -v xdg-open &>/dev/null; then
    xdg-open "http://localhost:$FRONTEND_PORT"
fi

echo ""
echo "Dashboard:  http://localhost:$FRONTEND_PORT"
echo "API docs:   http://localhost:$API_PORT/docs"
echo "Press Ctrl+C to stop."
echo ""

wait