#!/usr/bin/env bash

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

APP=linkerd
VERSION=${VERSION:-stable-2.10.2}
DATA_DIR="${XDG_DATA_HOME}/apps/releases"
DEST_DIR="${DATA_DIR}/${APP}/${VERSION}"

URL=
if [[ $(get_os) == "linux" ]]; then
	URL=https://github.com/linkerd/linkerd2/releases/download/${VERSION}/linkerd2-cli-${VERSION}-$(get_os)-$(get_arch)
else
	URL=https://github.com/linkerd/linkerd2/releases/download/${VERSION}/linkerd2-cli-${VERSION}-$(get_os)
fi

[[ -d "${DEST_DIR}" ]] || mkdir -p "${DEST_DIR}"

if [[ ! -f "${DEST_DIR}/${APP}" ]]; then
	temp_dir="$(mktemp -d)"
	curl --location --output "$temp_dir/${APP}" "${URL}"
	chmod 755 "$temp_dir/${APP}"
	mv "$temp_dir/${APP}" "${DEST_DIR}/${APP}"
fi

cd "${DEST_DIR}/.." || exit 1
if [[ -L current ]]; then
	unlink current
fi
ln -s "${VERSION}" current
cd - >/dev/null 2>/dev/null || exit 1

if [[ -L "$XDG_BIN_HOME/${APP}" ]]; then
	unlink "$XDG_BIN_HOME/${APP}"
fi

cd "$XDG_BIN_HOME" || exit 1
REL_LINK="$(relative_path "${XDG_BIN_HOME}" "${DATA_DIR}/${APP}/current/${APP}")"
ln -s "${REL_LINK}" "${APP}"