start.sh

#!/bin/bash

# Startup script for Invictus-plan
# Starts both backend (FastAPI) and frontend (Next.js) servers

# Don't exit on error for port killing (it's okay if ports are already free)
# We'll use set -e after initial cleanup

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

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

echo -e "${BLUE}========================================${NC}"
echo -e "${BLUE}  Invictus-plan Startup Script${NC}"
echo -e "${BLUE}========================================${NC}"
echo ""

# Function to kill process on a port
kill_port() {
    local port=$1
    local name=$2
    echo -e "${YELLOW}Checking for processes on port ${port} (${name})...${NC}"
    
    # Find and kill processes on the port
    local pids=$(lsof -ti:$port 2>/dev/null || true)
    if [ -n "$pids" ]; then
        echo -e "${YELLOW}Killing existing processes on port ${port}...${NC}"
        echo "$pids" | xargs kill -9 2>/dev/null || true
        sleep 1
        echo -e "${GREEN}✓ Port ${port} cleared${NC}"
    else
        echo -e "${GREEN}✓ Port ${port} is free${NC}"
    fi
}

# Kill existing processes
echo -e "${BLUE}Step 1: Cleaning up existing processes...${NC}"
kill_port 8000 "Backend"
kill_port 3000 "Frontend"
echo ""

# Enable exit on error for critical checks
set -e

# Check if virtual environment exists
if [ ! -d "venv" ]; then
    echo -e "${RED}Error: Virtual environment not found at venv/${NC}"
    echo -e "${YELLOW}Please create it first: python3 -m venv venv${NC}"
    exit 1
fi

# Check if venv Python exists
VENV_PYTHON="$SCRIPT_DIR/venv/bin/python"
if [ ! -f "$VENV_PYTHON" ]; then
    echo -e "${RED}Error: Python not found in venv at $VENV_PYTHON${NC}"
    exit 1
fi

# Check if node_modules exists
if [ ! -d "frontend/node_modules" ]; then
    echo -e "${YELLOW}Warning: Frontend node_modules not found${NC}"
    echo -e "${YELLOW}Installing frontend dependencies...${NC}"
    cd frontend
    npm install
    cd ..
fi

# Create log directory
LOG_DIR="$SCRIPT_DIR/logs"
mkdir -p "$LOG_DIR"

# Start backend
echo -e "${BLUE}Step 2: Starting backend server (port 8000)...${NC}"
cd "$SCRIPT_DIR/backend"
"$VENV_PYTHON" -m uvicorn main:app --host 0.0.0.0 --port 8000 --reload > "$LOG_DIR/backend.log" 2>&1 &
BACKEND_PID=$!
echo -e "${GREEN}✓ Backend started (PID: $BACKEND_PID)${NC}"
echo -e "${YELLOW}  Logs: $LOG_DIR/backend.log${NC}"

# Wait a moment for backend to start
sleep 2

# Verify backend is running
if ! curl -s http://localhost:8000/ > /dev/null 2>&1; then
    echo -e "${RED}Warning: Backend may not have started correctly${NC}"
    echo -e "${YELLOW}Check logs: tail -f $LOG_DIR/backend.log${NC}"
else
    echo -e "${GREEN}✓ Backend is responding${NC}"
fi

# Start frontend
echo -e "${BLUE}Step 3: Starting frontend server (port 3000)...${NC}"
cd "$SCRIPT_DIR/frontend"
npm run dev > "$LOG_DIR/frontend.log" 2>&1 &
FRONTEND_PID=$!
echo -e "${GREEN}✓ Frontend started (PID: $FRONTEND_PID)${NC}"
echo -e "${YELLOW}  Logs: $LOG_DIR/frontend.log${NC}"

# Wait a moment for frontend to start
sleep 3

# Verify frontend is running
if ! curl -s http://localhost:3000/ > /dev/null 2>&1; then
    echo -e "${RED}Warning: Frontend may not have started correctly${NC}"
    echo -e "${YELLOW}Check logs: tail -f $LOG_DIR/frontend.log${NC}"
else
    echo -e "${GREEN}✓ Frontend is responding${NC}"
fi

echo ""
echo -e "${GREEN}========================================${NC}"
echo -e "${GREEN}  Servers are running!${NC}"
echo -e "${GREEN}========================================${NC}"
echo ""
echo -e "${BLUE}Backend:${NC}  http://localhost:8000"
echo -e "${BLUE}Frontend:${NC} http://localhost:3000"
echo -e "${BLUE}API Docs:${NC} http://localhost:8000/docs"
echo ""
echo -e "${YELLOW}Process IDs:${NC}"
echo -e "  Backend:  $BACKEND_PID"
echo -e "  Frontend: $FRONTEND_PID"
echo ""
echo -e "${YELLOW}To stop servers:${NC}"
echo -e "  kill $BACKEND_PID $FRONTEND_PID"
echo -e "  or run: ./stop.sh"
echo ""
echo -e "${YELLOW}To view logs:${NC}"
echo -e "  Backend:  tail -f $LOG_DIR/backend.log"
echo -e "  Frontend: tail -f $LOG_DIR/frontend.log"
echo ""

# Save PIDs to file for stop script
echo "$BACKEND_PID $FRONTEND_PID" > "$LOG_DIR/pids.txt"

# Option to follow logs (only if running in interactive terminal)
if [ -t 0 ]; then
    read -p "Follow logs? (y/n) " -n 1 -r
    echo
    if [[ $REPLY =~ ^[Yy]$ ]]; then
        echo -e "${BLUE}Following logs (Ctrl+C to exit)...${NC}"
        tail -f "$LOG_DIR/backend.log" "$LOG_DIR/frontend.log"
    fi
fi