#!/usr/bin/env bash
set -euo pipefail

repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
repo_name="${ALPINE_REPO_NAME:-local}"
package_name="${ALPINE_PACKAGE:-greptimedb}"
package_root="${repo_root}/packages/${repo_name}"
assets_dir="${CI_ASSETS_DIR:-${repo_root}/packages/ci-assets}"

if [[ ! -d "${package_root}" ]]; then
	printf 'missing local package repository: %s\n' "${package_root}" >&2
	exit 1
fi

mkdir -p "${assets_dir}"

shopt -s nullglob
apks=("${package_root}"/*/"${package_name}"-[0-9]*.apk)
shopt -u nullglob

if [[ "${#apks[@]}" -eq 0 ]]; then
	printf 'no %s APK files found under %s\n' "${package_name}" "${package_root}" >&2
	exit 1
fi

for apk in "${apks[@]}"; do
	arch="$(basename "$(dirname "${apk}")")"
	pkgver="$(
		tar -xOf "${apk}" .PKGINFO 2>/dev/null \
			| awk -F' = ' '$1 == "pkgver" { print $2; exit }'
	)"
	version="${pkgver%-r*}"
	asset="${assets_dir}/greptime-linux-${arch}-musl-v${version}"

	printf 'Exporting %s\n' "${asset}"
	tar -xOf "${apk}" usr/bin/greptime > "${asset}"
	chmod 0755 "${asset}"
	sha256sum "${asset}" > "${asset}.sha256sum"
done