#!/bin/bash
# Build CI Docker Images for Gitea Actions Runner
# - php-ci: PHP 8.5, Composer, Ansible, and other CI tools
# - docker-build: Docker CLI, Buildx, Git, Bash

set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"

# PHP CI Image
PHP_CI_IMAGE="${CI_IMAGE_NAME:-php-ci:latest}"
REGISTRY="${CI_REGISTRY:-registry.michaelschiemer.de}"
PHP_CI_REGISTRY_IMAGE="${REGISTRY}/ci/php-ci:latest"

# Docker Build Image
DOCKER_BUILD_IMAGE="${DOCKER_BUILD_IMAGE_NAME:-docker-build:latest}"
DOCKER_BUILD_REGISTRY_IMAGE="${REGISTRY}/ci/docker-build:latest"

echo "🔨 Building CI Docker Images..."
echo ""
echo "1. PHP CI Image: ${PHP_CI_IMAGE}"
echo "   Dockerfile: ${PROJECT_ROOT}/docker/ci/Dockerfile"
echo ""
echo "2. Docker Build Image: ${DOCKER_BUILD_IMAGE}"
echo "   Dockerfile: ${PROJECT_ROOT}/docker/ci/Dockerfile.build"

cd "$PROJECT_ROOT"

# Build PHP CI image
echo ""
echo "📦 Building PHP CI image..."
docker build \
  -f docker/ci/Dockerfile \
  -t "${PHP_CI_IMAGE}" \
  -t "${PHP_CI_REGISTRY_IMAGE}" \
  --platform linux/amd64 \
  .

# Build Docker Build image
echo ""
echo "📦 Building Docker Build image..."
docker build \
  -f docker/ci/Dockerfile.build \
  -t "${DOCKER_BUILD_IMAGE}" \
  -t "${DOCKER_BUILD_REGISTRY_IMAGE}" \
  --platform linux/amd64 \
  .

echo ""
echo "✅ Images built successfully!"
echo ""
echo "📋 Next steps:"
echo ""
echo "1. Tag and push to registry (if using registry):"
echo "   docker login ${REGISTRY}"
echo "   docker push ${PHP_CI_REGISTRY_IMAGE}"
echo "   docker push ${DOCKER_BUILD_REGISTRY_IMAGE}"
echo ""
echo "2. Update GITEA_RUNNER_LABELS in .env:"
echo "   Add: php-ci:docker://${PHP_CI_IMAGE}"
echo "   Add: docker-build:docker://${DOCKER_BUILD_IMAGE}"
echo ""
echo "3. Or use registry images:"
echo "   Add: php-ci:docker://${PHP_CI_REGISTRY_IMAGE}"
echo "   Add: docker-build:docker://${DOCKER_BUILD_REGISTRY_IMAGE}"
echo ""
echo "4. Restart runner to pick up new labels:"
echo "   cd deployment/gitea-runner"
echo "   ./unregister.sh"
echo "   # Update .env with new labels"
echo "   ./register.sh"
echo ""

# Ask if user wants to push to registry
if [ -n "$CI_REGISTRY" ] && [ -n "$CI_REGISTRY_USER" ] && [ -n "$CI_REGISTRY_PASSWORD" ]; then
  read -p "Push images to registry? (y/N) " -n 1 -r
  echo
  if [[ $REPLY =~ ^[Yy]$ ]]; then
    echo "🔐 Logging in to registry..."
    echo "$CI_REGISTRY_PASSWORD" | docker login "$REGISTRY" -u "$CI_REGISTRY_USER" --password-stdin
    echo "📤 Pushing PHP CI image..."
    docker push "${PHP_CI_REGISTRY_IMAGE}"
    echo "📤 Pushing Docker Build image..."
    docker push "${DOCKER_BUILD_REGISTRY_IMAGE}"
    echo "✅ Images pushed to registry"
  fi
fi