start.sh

#!/bin/bash
# Agentic RAG System - Start Script
# Usage: ./start.sh

set -e

PROJECT_DIR="$(cd "$(dirname "$0")" && pwd)"
export PATH="/opt/homebrew/opt/postgresql@15/bin:$PATH"

# Colors
GREEN='\033[0;32m'
RED='\033[0;31m'
YELLOW='\033[1;33m'
NC='\033[0m'

cleanup() {
    echo ""
    echo -e "${YELLOW}Shutting down...${NC}"
    [ -n "$BACKEND_PID" ] && kill "$BACKEND_PID" 2>/dev/null
    [ -n "$FRONTEND_PID" ] && kill "$FRONTEND_PID" 2>/dev/null
    wait 2>/dev/null
    echo -e "${GREEN}Done.${NC}"
    exit 0
}
trap cleanup SIGINT SIGTERM

# 1. Check PostgreSQL
echo -e "${YELLOW}Checking PostgreSQL...${NC}"
if ! pg_isready -q 2>/dev/null; then
    echo -e "${YELLOW}Starting PostgreSQL...${NC}"
    brew services start postgresql@15
    sleep 2
fi
echo -e "${GREEN}PostgreSQL is running${NC}"

# 2. Start Backend
echo -e "${YELLOW}Starting backend on port 8000...${NC}"
cd "$PROJECT_DIR/backend"
source venv/bin/activate
uvicorn main:app --host 0.0.0.0 --port 8000 &
BACKEND_PID=$!

# Wait for backend to be ready
for i in $(seq 1 15); do
    if curl -s http://localhost:8000/api/health > /dev/null 2>&1; then
        echo -e "${GREEN}Backend ready${NC}"
        break
    fi
    [ "$i" -eq 15 ] && echo -e "${RED}Backend failed to start${NC}" && exit 1
    sleep 1
done

# 3. Start Frontend
echo -e "${YELLOW}Starting frontend on port 5173...${NC}"
cd "$PROJECT_DIR/frontend"
npm run dev &
FRONTEND_PID=$!
sleep 3

echo ""
echo -e "${GREEN}========================================${NC}"
echo -e "${GREEN}  Agentic RAG System is running${NC}"
echo -e "${GREEN}  Frontend: http://localhost:5173${NC}"
echo -e "${GREEN}  Backend:  http://localhost:8000${NC}"
echo -e "${GREEN}  API docs: http://localhost:8000/docs${NC}"
echo -e "${GREEN}========================================${NC}"
echo -e "${YELLOW}Press Ctrl+C to stop${NC}"
echo ""

wait