#!/usr/bin/env bash

set -x
KICKSTART_BASE="Rocky"
KICKSTART_FILE="${KICKSTART_BASE}.ks"
APPLIANCE_NAME="${KICKSTART_BASE}-$(dnf config-manager --dump-variables | grep releasever | awk '{print $3}')-$(uname -m)-minimal-$(TZ='UTC' date +%Y.%m.%d)"
IMAGE_NAME="${APPLIANCE_NAME}.raw"
Z_IMG_NAME="${IMAGE_NAME}.zst"
COMMANDS_TO_CHECK=('appliance-creator' 'shasum' 'zstd')

for COMMAND in "${COMMANDS_TO_CHECK[@]}"; do
    if ! command -v "${COMMAND}" > /dev/null; then
        >&2 echo "$0: ERROR: unable to find command '${COMMAND}' in PATH"
        exit 1
    fi
done

appliance-creator \
    --config "${KICKSTART_FILE}" \
    --name "${APPLIANCE_NAME}" \
    --format raw \
    --outdir "${PWD}" \
    --no-compress \
    --debug \
    --cache /root/cache \
    --verbose 2>&1 | tee "${APPLIANCE_NAME}.log" || exit 1
mv "${APPLIANCE_NAME}.log" "${APPLIANCE_NAME}/${APPLIANCE_NAME}.log"

if [[ -d "${APPLIANCE_NAME}" ]]; then
    pushd "${APPLIANCE_NAME}" || exit 1

    mv -f "${APPLIANCE_NAME}-sda.raw" "${IMAGE_NAME}"
    zstd --compress -9 "${IMAGE_NAME}"

    sha512sum "${IMAGE_NAME}"  > SHA512SUMS
    sha512sum "${Z_IMG_NAME}" >> SHA512SUMS
    sha256sum "${IMAGE_NAME}"  > SHA256SUMS
    sha256sum "${Z_IMG_NAME}" >> SHA256SUMS

    popd || exit 0
else
    >&2 echo "$0: ERROR: unable to find the appliance output directory"
    >&2 echo "$0: ${APPLIANCE_NAME}"
    exit 1
fi