#!/bin/bash

set -e

DOCKER_USER="blackwhitebear8"
REPO_NAME="nginx-quic-certbot"

echo "Checking if you are logged in to Docker Hub..."
if ! docker system info | grep -q "Username"; then
    echo "Not logged in. Starting 'docker login'..."
    docker login
else
    echo "Logged in as $(docker system info | grep "Username" | awk '{print $2}')"
fi

echo ""
read -p "Enter the version/tag (e.g., 1.0.0 or latest): " VERSION

if [ -z "$VERSION" ]; then
    echo "Error: No version specified. Script aborted."
    exit 1
fi

FULL_IMAGE_NAME="$DOCKER_USER/$REPO_NAME:$VERSION"

if ! docker buildx inspect multiarch-builder > /dev/null 2>&1; then
    echo "Creating new buildx builder 'multiarch-builder'..."
    docker buildx create --use --name multiarch-builder
else
    echo "Using existing builder 'multiarch-builder'..."
    docker buildx use multiarch-builder
fi

TAG_ARGS="-t $FULL_IMAGE_NAME"

if [ "$VERSION" != "latest" ]; then
    echo "Adding extra tag 'latest'..."
    TAG_ARGS="$TAG_ARGS -t $DOCKER_USER/$REPO_NAME:latest"
fi

echo ""
echo "Building and pushing for linux/amd64 and linux/arm64..."
echo "This may take a while..."

docker buildx build \
  --platform linux/amd64,linux/arm64 \
  $TAG_ARGS \
  --push \
  .

echo ""
echo "======================================================="
echo "Done! Your multi-arch image is now on Docker Hub:"
echo "$FULL_IMAGE_NAME"
echo "Architectures: AMD64 & ARM64"
echo "======================================================="