#!/bin/bash
set -euo pipefail

# Build Docker image for Voice RSS Summary project
# Usage: ./build-docker-image.sh [tag] [--platform=platform] [build-args...]

IMAGE_NAME="voice-rss-summary"
TAG="latest"
PLATFORM=""
BUILD_ARGS=()

# Parse arguments
while [[ $# -gt 0 ]]; do
	case $1 in
		--platform=*)
			PLATFORM="${1#*=}"
			shift
			;;
		--platform)
			PLATFORM="$2"
			shift 2
			;;
		-*)
			BUILD_ARGS+=("$1")
			shift
			;;
		*)
			if [[ -z "${TAG_SET:-}" ]]; then
				TAG="$1"
				TAG_SET=true
			else
				BUILD_ARGS+=("$1")
			fi
			shift
			;;
	esac
done

FULL_TAG="${IMAGE_NAME}:${TAG}"

echo "Building Docker image: ${FULL_TAG}"
echo "Build context: $(pwd)"
if [[ -n "$PLATFORM" ]]; then
	echo "Target platform: ${PLATFORM}"
fi

# Check if Dockerfile exists
if [[ ! -f "Dockerfile" ]]; then
	echo "Error: Dockerfile not found in current directory"
	exit 1
fi

# Build with build cache and progress output
DOCKER_CMD=(docker build --tag "${FULL_TAG}" --progress=plain --build-arg BUILDKIT_INLINE_CACHE=1)

# Add platform if specified
if [[ -n "$PLATFORM" ]]; then
	DOCKER_CMD+=(--platform "$PLATFORM")
fi

# Add any additional build args
if [[ ${#BUILD_ARGS[@]} -gt 0 ]]; then
	DOCKER_CMD+=("${BUILD_ARGS[@]}")
fi

# Add build context
DOCKER_CMD+=(.)

echo "Running: ${DOCKER_CMD[*]}"
"${DOCKER_CMD[@]}"

# Display image info
echo ""
echo "Build completed successfully!"
echo "Image: ${FULL_TAG}"
if [[ -n "$PLATFORM" ]]; then
	echo "Platform: ${PLATFORM}"
fi
echo "Size: $(docker images --format 'table {{.Size}}' "${FULL_TAG}" | tail -n +2)"
echo ""
echo "To run the container, use: ./run-docker.sh"
if [[ -n "$PLATFORM" && "$PLATFORM" != "linux/amd64" ]]; then
	echo "Note: Cross-platform image built. May need to push to registry for deployment."
fi