#!/usr/bin/env bash

ARCH=()
VERSION_ARG=()
VERSION=""
REGISTRY=""

while [[ $# -gt 0 ]]; do
    case "$1" in
        --arch|-a)
            ARCH+=("--arch" "$2")
            shift 2
            ;;
        --version|-v)
            VERSION="$2"
            VERSION_ARG+=("--build-arg" "VERSION=$VERSION")
            shift 2
            ;;
        --latest|-l)
            VERSION="latest"
            LATEST_TAG=$(git ls-remote --tags --refs --sort='v:refname' https://github.com/Azure/Azurite | tail -n1 | awk -F/ '{ print $3 }')
            VERSION_ARG+=("--build-arg" "VERSION=$LATEST_TAG")
            shift
            ;;
        --registry|-r)
            REGISTRY="$2"
            shift 2
            ;;
        *)
            echo "Unknown argument: $1" >&2
            exit 1
            ;;
    esac
done

if [[ -z "$REGISTRY" ]]; then
    IMAGE="azurite"
else
    IMAGE="$REGISTRY/azurite"
fi

if [[ -z "$VERSION" ]]; then
    TAG_ARGS=("--tag" "$IMAGE:latest")
elif [[ "$VERSION" == "latest" ]]; then
    TAG_ARGS=("--tag" "$IMAGE:${LATEST_TAG#v}" "--tag" "$IMAGE:latest")
else
    TAG_ARGS=("--tag" "$IMAGE:${VERSION#v}")
fi

echo "Effective command line arguments:" ${ARCH[@]} ${VERSION_ARG[@]} ${TAG_ARGS[@]}
if command -v dockerd &> /dev/null; then
    docker build "${ARCH[@]}" "${VERSION_ARG[@]}" "${TAG_ARGS[@]}" .
elif command -v container &> /dev/null; then
    container build "${ARCH[@]}" "${VERSION_ARG[@]}" "${TAG_ARGS[@]}" .
else
    echo "Neither supported container runtime found." >&2
    exit 1
fi