#!/usr/bin/env bash
set -e

DOCKER_BUILDKIT=1

if [[ $DEBUG != "" ]]; then
    set -x
    echo "command args: $*"
fi

if [[ $1 == "" ]]; then
  echo "Usage: $0 image [flavor]"
  exit 1
fi

main() {
    DOCKER_BUILD_ARGS=${DOCKER_BUILD_ARGS:-}
    GIT_ROOT_TMP=$(git rev-parse --show-toplevel)
    GIT_ROOT=${GIT_ROOT:-"$GIT_ROOT_TMP"}
    DOCKER_BUILDKIT=${DOCKER_BUILDKIT:-"1"}
    BUILD_DIR="docker/${1}"
    CUSTOM_DOCKERFILE=${2:-""}
    DOCKER_IMAGE_NAME=${DOCKER_IMAGE_NAME:-"dock.mau.dev/andreijiroh-dev/docker-images/${1}"}

    if [[ ! -d "${GIT_ROOT}/${BUILD_DIR}" ]]; then
        echo "error: image source directory '${GIT_ROOT}/${BUILD_DIR}' does not exist here"
        return 1
    fi

    if [[ ${CUSTOM_DOCKERFILE} != "" ]]; then
        DOCKERFILE="${GIT_ROOT}/${BUILD_DIR}/${CUSTOM_DOCKERFILE}.Dockerfile"
    else 
        DOCKERFILE="${GIT_ROOT}/${BUILD_DIR}/Dockerfile"
    fi

    docker build -f "${DOCKERFILE}" \
      -t "${DOCKER_IMAGE_NAME}:localdev" \
      --build-arg BUILDKIT_CONTEXT_KEEP_GIT_DIR=1 \
      ${DOCKER_BUILD_ARGS} \
      "${GIT_ROOT}/${BUILD_DIR}"
}

main "$@"