check_system.sh

#!/bin/bash

# System requirements checker for Biotact Production

echo "=========================================="
echo "    Biotact Production System Check      "
echo "=========================================="
echo ""

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

# Check Docker
echo -n "Checking Docker... "
if command -v docker &> /dev/null; then
    DOCKER_VERSION=$(docker --version | cut -d' ' -f3 | cut -d',' -f1)
    echo -e "${GREEN}✓${NC} Found version $DOCKER_VERSION"
else
    echo -e "${RED}✗${NC} Docker not installed"
    echo "Please install Docker: https://docs.docker.com/engine/install/"
    exit 1
fi

# Check Docker Compose
echo -n "Checking Docker Compose... "
if command -v docker-compose &> /dev/null; then
    COMPOSE_VERSION=$(docker-compose --version | cut -d' ' -f4)
    echo -e "${GREEN}✓${NC} Found version $COMPOSE_VERSION"
elif docker compose version &> /dev/null; then
    COMPOSE_VERSION=$(docker compose version | cut -d' ' -f4)
    echo -e "${GREEN}✓${NC} Found version $COMPOSE_VERSION (plugin)"
else
    echo -e "${RED}✗${NC} Docker Compose not installed"
    echo "Please install Docker Compose: https://docs.docker.com/compose/install/"
    exit 1
fi

# Check if user can run Docker without sudo
echo -n "Checking Docker permissions... "
if docker ps &> /dev/null; then
    echo -e "${GREEN}✓${NC} Can run Docker"
else
    echo -e "${YELLOW}⚠${NC} Need sudo or add user to docker group"
    echo "  To fix: sudo usermod -aG docker $USER && newgrp docker"
fi

# Check available memory
echo -n "Checking available memory... "
TOTAL_MEM=$(free -g | awk '/^Mem:/{print $2}')
AVAILABLE_MEM=$(free -g | awk '/^Mem:/{print $7}')
if [ "$TOTAL_MEM" -ge 32 ]; then
    echo -e "${GREEN}✓${NC} ${TOTAL_MEM}GB total, ${AVAILABLE_MEM}GB available"
else
    echo -e "${YELLOW}⚠${NC} ${TOTAL_MEM}GB total (recommended: 32GB+)"
fi

# Check available disk space
echo -n "Checking disk space... "
DISK_AVAILABLE=$(df -h . | awk 'NR==2 {print $4}' | sed 's/G//')
if [ "${DISK_AVAILABLE%.*}" -ge 50 ]; then
    echo -e "${GREEN}✓${NC} ${DISK_AVAILABLE}GB available"
else
    echo -e "${YELLOW}⚠${NC} ${DISK_AVAILABLE}GB available (recommended: 50GB+)"
fi

# Check if ports are available
echo ""
echo "Checking port availability:"
PORTS=(80 443 3000 5432 6333 6379 8000 9090 9200 5601)
ALL_PORTS_FREE=true

for PORT in "${PORTS[@]}"; do
    echo -n "  Port $PORT... "
    if ! lsof -Pi :$PORT -sTCP:LISTEN -t >/dev/null 2>&1; then
        echo -e "${GREEN}✓${NC} Available"
    else
        echo -e "${RED}✗${NC} In use"
        ALL_PORTS_FREE=false
    fi
done

# Check .env file
echo ""
echo -n "Checking .env file... "
if [ -f .env ]; then
    echo -e "${GREEN}✓${NC} Found"

    # Check for required API keys
    echo "Checking API keys:"
    echo -n "  OpenAI API key... "
    if grep -q "^OPENAI_API_KEY=sk-" .env; then
        echo -e "${GREEN}✓${NC} Set"
    else
        echo -e "${RED}✗${NC} Missing or invalid"
    fi

    echo -n "  Claude API key... "
    if grep -q "^CLAUDE_API_KEY=sk-" .env; then
        echo -e "${GREEN}✓${NC} Set"
    else
        echo -e "${RED}✗${NC} Missing or invalid"
    fi
else
    echo -e "${RED}✗${NC} Not found"
    echo "  Run: cp .env.example .env && edit .env"
fi

echo ""
echo "=========================================="

# Summary
if [ "$ALL_PORTS_FREE" = true ] && [ -f .env ]; then
    echo -e "${GREEN}✓ System ready for deployment!${NC}"
    echo ""
    echo "Next steps:"
    echo "  1. Review and edit .env file"
    echo "  2. Run: make build"
    echo "  3. Run: make up"
    echo "  4. Run: make init"
else
    echo -e "${YELLOW}⚠ Please fix the issues above before proceeding${NC}"
    exit 1
fi