#!/usr/bin/env bash

set -eo pipefail

image_name="babashka/babashka"
image_tag=$(cat resources/BABASHKA_VERSION)
platform=${PLATFORM:-"linux/amd64"}
latest_tag="latest"

if [[ $image_tag =~ SNAPSHOT$ ]]; then
    echo "This is a snapshot version"
    snapshot="true"
else
    echo "This is a non-snapshot version"
    snapshot="false"
fi

if [ -z "$CIRCLE_PULL_REQUEST" ] && [ "$CIRCLE_BRANCH" = "master" ]; then
    echo "Building & pushing $platform Docker image(s) $image_name:$image_tag"
    echo "$DOCKERHUB_PASS" | docker login -u "$DOCKERHUB_USER" --password-stdin
    IFS=',' read -r -a platforms <<< "$platform"
    for p in "${platforms[@]}"; do
        tarball_platform=${p//\//-}
        if [[ $tarball_platform == "linux-arm64" ]]; then tarball_platform="linux-aarch64"; fi
        mkdir -p $p
        tar zxvf "/tmp/release/babashka-${image_tag}-${tarball_platform}.tar.gz" -C $p
    done
    docker buildx build -t "$image_name:$image_tag" --platform "$platform" --push -f Dockerfile.ci .
    if [[ $snapshot == "false" ]]; then
        echo "Building & pushing $platform Docker image(s) $image_name:$latest_tag"
        docker buildx build -t "$image_name:$latest_tag" --platform "$platform" --push -f Dockerfile.ci .
    fi
    for p in "${platforms[@]}"; do
        rm -rf $p
    done

    # alpine doesn't provide upstream arm64 images yet
    if [[ $platform == "linux-amd64" ]]; then
        tar zxvf  "/tmp/release/babashka-${image_tag}-${platform}-static.tar.gz"
        docker build -t "$image_name:alpine" -f Dockerfile.alpine .
        rm -f bb
        docker tag "$image_name:alpine" "$image_name:$image_tag-alpine"
        echo "Pushing image $image_name:$image_tag-alpine"
        docker push "$image_name:$image_tag-alpine"
        if [[ $snapshot == "false" ]]; then
            echo "Pushing image $image_name:alpine"
            docker push "$image_name:alpine"
        fi
    fi
else
    echo "Not publishing Docker image"
fi

exit 0;