start.sh

#!/bin/bash

# Clinical ChatBot Startup Script
# This script helps you start both backend and frontend servers

set -e

echo "=========================================="
echo "  Clinical ChatBot Startup"
echo "=========================================="
echo ""

# Colors for output
GREEN='\033[0;32m'
BLUE='\033[0;34m'
RED='\033[0;31m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

# Check if .env files exist
check_env_files() {
    echo -e "${BLUE}Checking configuration files...${NC}"

    if [ ! -f "backend/.env" ]; then
        echo -e "${YELLOW}Warning: backend/.env not found!${NC}"
        echo "Creating from .env.example..."
        cp backend/.env.example backend/.env
        echo -e "${RED}Please edit backend/.env with your API keys before continuing!${NC}"
        exit 1
    fi

    if [ ! -f "frontend/.env.local" ]; then
        echo -e "${YELLOW}Warning: frontend/.env.local not found!${NC}"
        echo "Creating from .env.local.example..."
        cp frontend/.env.local.example frontend/.env.local
    fi

    echo -e "${GREEN}✓ Configuration files found${NC}"
    echo ""
}

# Start backend
start_backend() {
    echo -e "${BLUE}Starting Backend Server...${NC}"
    cd backend

    # Check if virtual environment exists
    if [ ! -d "venv" ]; then
        echo "Creating virtual environment..."
        python -m venv venv
    fi

    # Activate virtual environment
    source venv/bin/activate

    # Install dependencies if needed
    if [ ! -f "venv/.installed" ]; then
        echo "Installing backend dependencies..."
        pip install -r requirements.txt
        touch venv/.installed
    fi

    # Start server in background
    echo "Starting FastAPI server on http://localhost:8000"
    python -m app.main &
    BACKEND_PID=$!
    echo $BACKEND_PID > .backend.pid

    cd ..
    echo -e "${GREEN}✓ Backend started (PID: $BACKEND_PID)${NC}"
    echo ""
}

# Start frontend
start_frontend() {
    echo -e "${BLUE}Starting Frontend Server...${NC}"
    cd frontend

    # Install dependencies if needed
    if [ ! -d "node_modules" ]; then
        echo "Installing frontend dependencies..."
        npm install
    fi

    # Start server in background
    echo "Starting Next.js server on http://localhost:3000"
    npm run dev &
    FRONTEND_PID=$!
    echo $FRONTEND_PID > .frontend.pid

    cd ..
    echo -e "${GREEN}✓ Frontend started (PID: $FRONTEND_PID)${NC}"
    echo ""
}

# Wait and show status
show_status() {
    echo ""
    echo "=========================================="
    echo -e "${GREEN}Clinical ChatBot is running!${NC}"
    echo "=========================================="
    echo ""
    echo "Backend:  http://localhost:8000"
    echo "Frontend: http://localhost:3000"
    echo "API Docs: http://localhost:8000/api/docs"
    echo ""
    echo "Press Ctrl+C to stop all servers"
    echo ""
}

# Cleanup function
cleanup() {
    echo ""
    echo -e "${YELLOW}Shutting down servers...${NC}"

    if [ -f "backend/.backend.pid" ]; then
        kill $(cat backend/.backend.pid) 2>/dev/null || true
        rm backend/.backend.pid
    fi

    if [ -f "frontend/.frontend.pid" ]; then
        kill $(cat frontend/.frontend.pid) 2>/dev/null || true
        rm frontend/.frontend.pid
    fi

    echo -e "${GREEN}✓ Servers stopped${NC}"
    exit 0
}

# Set trap for cleanup
trap cleanup INT TERM

# Main execution
check_env_files
start_backend
sleep 3  # Wait for backend to start
start_frontend
show_status

# Keep script running
wait