#!/bin/bash
# shellcheck disable=SC1004

set -e

images=('debian:buster|buster' 'debian:bullseye|bullseye' 'ubuntu:focal|focal')

BASENAME='exim-encrypt-dlfunc-build'
TAG='latest'
REGISTRY='localhost:5000'
USERNAME='nobody'
PASSWORD='password'

while getopts "r:u:p:b:t:" OPTION; do
    case $OPTION in
        r)
            REGISTRY="${OPTARG}"
            ;;
        u)
            USERNAME="${OPTARG}"
            ;;
        p)
            PASSWORD="${OPTARG}"
            ;;
        b)
            BASENAME="${OPTARG}"
            ;;
        t)
            TAG="${OPTARG}"
            ;;
        *)
            echo "Invalid argument"
            exit 127
    esac
done

REGHOST="$(echo "${REGISTRY}" | cut -d/ -f1)"
if [ "${REGISTRY}" != "none" ]; then
	echo "🔑 Logging into »${REGHOST}«"
	if ! buildah login --get-login "${REGHOST}" > /dev/null 2> /dev/null; then
		buildah login --password "${PASSWORD}" --username "${USERNAME}" "${REGHOST}"
	fi
fi

for i in "${images[@]}"; do
	basectr=$(echo "${i}" | cut -d'|' -f1)
	name=$(echo "${i}" | cut -d'|' -f2)

	IMAGENAME="${BASENAME}-${name}"
	echo "🔨 Assembling »${IMAGENAME}«"
	ctr="$(buildah from "$basectr")"
	buildah run "$ctr" /bin/sh -c 'apt-get update; \
	DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt-get install --no-install-recommends -y \
	    build-essential \
	    exim4-daemon-heavy \
	    exim4-dev \
	    gcovr \
	    git \
	    libsodium-dev \
	    openssl \
	    pkg-config \
	    python3-pip \
	    libxml2-utils; \
	DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt-get install --no-install-recommends -y \
	    debhelper \
	    debsigs \
	    devscripts \
	    dh-make \
	    git-buildpackage \
	    gpgv1 \
	    meson; \
	DEBIAN_FRONTEND=noninteractive DEBIAN_PRIORITY=critical apt-get install --no-install-recommends -y \
	    vim; \
	rm -rf /var/lib/apt/lists/*;'
	buildah run "$ctr" /bin/sh -c \
	    'pip3 install --upgrade meson ninja; \
	    rm -rf ~/.cache/pip/*;'
	TARGET="${REGISTRY}/${BASENAME}-${name}:${TAG}"
	IMAGEID=$(buildah commit --format docker "$ctr" "${IMAGENAME}")
	if [ "${REGISTRY}" != "none" ]; then
		echo "🚀 Pushing »${TARGET}«"
		buildah push "${IMAGEID}" "${TARGET}"
		echo "✅ Finished »${BASENAME}«"
	fi
done