#!/bin/bash
set -e

# Default deployment directory
DEPLOY_DIR="${1:-/opt/jrunner}"

# Safety checks
if [ -z "${DEPLOY_DIR}" ]; then
    echo "Error: Deployment directory cannot be empty"
    exit 1
fi

# Prevent deleting critical system directories
case "${DEPLOY_DIR}" in
    /|/bin|/boot|/dev|/etc|/lib|/lib64|/proc|/root|/run|/sbin|/sys|/usr|/var|/home)
        echo "Error: Cannot deploy to system directory: ${DEPLOY_DIR}"
        exit 1
        ;;
esac

echo "Building jrunner..."
./gradlew build

echo "Deploying to ${DEPLOY_DIR}..."

# Remove both target and intermediate jrunner directory if they exist
if [ -d "${DEPLOY_DIR}" ]; then
    echo "Removing existing deployment at ${DEPLOY_DIR}..."
    sudo rm -rf "${DEPLOY_DIR}"
fi

PARENT_DIR="$(dirname "${DEPLOY_DIR}")"
EXTRACT_DIR="${PARENT_DIR}/jrunner"

if [ -d "${EXTRACT_DIR}" ] && [ "${EXTRACT_DIR}" != "${DEPLOY_DIR}" ]; then
    echo "Removing existing jrunner directory at ${EXTRACT_DIR}..."
    sudo rm -rf "${EXTRACT_DIR}"
fi

# Extract and rename if needed
sudo mkdir -p "${PARENT_DIR}"
sudo unzip -q jrunner/build/distributions/jrunner.zip -d "${PARENT_DIR}"

if [ "$(basename "${DEPLOY_DIR}")" != "jrunner" ]; then
    sudo mv "${EXTRACT_DIR}" "${DEPLOY_DIR}"
fi

# Only create symlink for default location
if [ "${DEPLOY_DIR}" = "/opt/jrunner" ]; then
    echo "Creating symlink..."
    sudo ln -sf /opt/jrunner/bin/jrunner /usr/local/bin/jrunner
    echo "✅ Deployment complete!"
    echo "Run 'jrunner --help' to test"
else
    echo "✅ Deployment complete!"
    echo "Run '${DEPLOY_DIR}/bin/jrunner --help' to test"
fi