#!/usr/bin/env bash

# shellcheck disable=SC1090
source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"

APP=helm
VERSION=${VERSION:-3.11.1}
DEST="${XDG_DATA_HOME}/apps/releases/${APP}"

if [[ ! -d "${DEST}/${VERSION}" ]]; then
    DL_DIR="$(mktemp -d)"
    SHA_PATH=${DL_DIR}/helm.tar.gz.sha256
    TAR_PATH=${DL_DIR}/helm.tar.gz

    URL_SHA=https://get.helm.sh/helm-v${VERSION}-$(get_os)-$(get_arch).tar.gz.sha256
    URL_TAR=https://get.helm.sh/helm-v${VERSION}-$(get_os)-$(get_arch).tar.gz
    curl --silent --location --output "${SHA_PATH}" "${URL_SHA}"
    curl --silent --location --output "${TAR_PATH}" "${URL_TAR}"

    if [[ $(cat "${SHA_PATH}") != $(openssl dgst -sha256 "${TAR_PATH}" | sed -e 's/^.* //') ]]; then
        echo 'checksum does not match'
        rm -rf "${DL_DIR}"
        exit 1
    fi

    mkdir_if_missing "${DEST}/${VERSION}"
    tar xzf "${TAR_PATH}" --directory "${DEST}/${VERSION}" --strip-component 1
    rm -rf "${DL_DIR}"
fi

set_current_link "${DEST}" "${VERSION}"
unlink_if_set "$XDG_BIN_HOME/${APP}"

cd "$XDG_BIN_HOME" || exit 1
ln -s "$(relative_path "${XDG_BIN_HOME}" "${DEST}/current/${APP}")" ${APP}
cd - >/dev/null || exit 1