#!/bin/bash

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

# Logging functions
log_info() {
    echo -e "${GREEN}[INFO]${NC} $1"
}

log_warn() {
    echo -e "${YELLOW}[WARN]${NC} $1"
}

log_error() {
    echo -e "${RED}[ERROR]${NC} $1"
}

# Get script directory and project root
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(dirname "${SCRIPT_DIR}")"
PROJECT_NAME="$(basename "${PROJECT_ROOT}")"

# Check if the archive exists
ARCHIVE_PATH="${PROJECT_ROOT}/../${PROJECT_NAME}.tar.gz"
if [ ! -f "${ARCHIVE_PATH}" ]; then
    log_error "Archive file not found: ${ARCHIVE_PATH}"
    log_error "Please run prepare_offline_packages.sh first"
    exit 1
fi

# Create a temporary test directory
TEST_DIR=$(mktemp -d)
log_info "Creating test directory: ${TEST_DIR}"

# Copy archive to test directory
cp "${ARCHIVE_PATH}" "${TEST_DIR}/"

# Print verification steps
echo -e "\n${GREEN}Verification Steps:${NC}"
echo "1. Prepare a clean CentOS 7 system (physical machine or VM)"
echo "2. Copy these files to the test system:"
echo "   - ${ARCHIVE_PATH}"
echo ""
echo "3. On the test system, run:"
echo "   cd /tmp"
echo "   tar xzf ${PROJECT_NAME}.tar.gz"
echo "   cd ${PROJECT_NAME}"
echo "   sudo ./scripts/deploy.sh"
echo ""
echo "4. Verify the installation:"
echo "   - Check if all packages are installed:"
echo "     rpm -qa | grep -E 'boost|cmake3|python3'"
echo ""
echo "   - Check Python packages:"
echo "     pip3 list | grep -E 'flask|werkzeug|click|itsdangerous|Jinja2|MarkupSafe'"
echo ""
echo "   - Check if service is running:"
echo "     systemctl status collision-avoidance"
echo ""
echo "   - Check service logs:"
echo "     journalctl -u collision-avoidance"
echo ""
echo "   - Check ports:"
echo "     ss -tunlp | grep -E '8010|8081'"
echo ""
echo "5. Test the service:"
echo "   - Open http://localhost:8010 in browser"
echo "   - Check if mock server is running on port 8081"
echo ""
echo "If any step fails, please check:"
echo "1. /var/log/messages for system errors"
echo "2. journalctl -u collision-avoidance for service errors"
echo "3. Check if all required ports are available"
echo "4. Verify system requirements (memory, disk space)"
echo ""
log_info "Verification guide has been created"
echo -e "Follow the steps above to verify the installation in a clean environment"

# Clean up
rm -rf "${TEST_DIR}"