#!/usr/bin/env bash

set -euo pipefail

GH_REPO="https://github.com/stx-labs/clarinet"
TOOL_NAME="clarinet"
TOOL_TEST="clarinet -V | grep clarinet"

msg() {
	echo -e "\033[32m$1\033[39m" >&2
}

err() {
	echo -e "\033[31m$1\033[39m" >&2
}

fail() {
	echo -e "asdf-$TOOL_NAME: $*"
	exit 1
}

curl_opts=(-fsSL)

if [ -n "${GITHUB_API_TOKEN:-}" ]; then
	curl_opts=("${curl_opts[@]}" -H "Authorization: token $GITHUB_API_TOKEN")
fi

get_platform() {
	local silent=${1:-}
	local platform=""

	platform="$(uname | tr '[:upper:]' '[:lower:]')"

	case "$platform" in
	linux | darwin)
		[ -z "$silent" ] && msg "Platform '${platform}' supported!"
		;;
	*)
		fail "Platform '${platform}' not supported!"
		;;
	esac

	printf "%s" "$platform"
}

get_arch() {
	local arch=""
	local arch_check=${ASDF_GOLANG_OVERWRITE_ARCH:-"$(uname -m)"}
	case "${arch_check}" in
	x86_64 | amd64) arch="x64" ;;
	aarch64 | arm64) arch="arm64" ;;
	*)
		fail "Arch '${arch_check}' not supported!"
		;;
	esac

	printf "%s" "$arch"
}

sort_versions() {
	sed 'h; s/[+-]/./g; s/.p\([[:digit:]]\)/.z\1/; s/$/.z/; G; s/\n/ /' |
		LC_ALL=C sort -t. -k 1,1 -k 2,2n -k 3,3n -k 4,4n -k 5,5n | awk '{print $2}'
}

list_github_tags() {
	git ls-remote --tags --refs "$GH_REPO" |
		grep -o 'refs/tags/.*' | cut -d/ -f3- |
		sed 's/^v//' # NOTE: You might want to adapt this sed to remove non-version strings from tags
}

list_all_versions() {
	list_github_tags
}

download_release() {
	local version filename url
	version="$1"
	filename="$2"

	platform=$(get_platform "")
	arch=$(get_arch)
	if [ "$platform" == 'linux' ] && [ "$arch" == 'x64' ]; then
		arch=${arch}-glibc
	fi
	url="$GH_REPO/releases/download/v${version}/clarinet-${platform}-${arch}.tar.gz"

	echo "* Downloading $TOOL_NAME release $version from $url..."
	curl "${curl_opts[@]}" -o "$filename" -C - "$url" || fail "Could not download $url"
}

install_version() {
	local install_type="$1"
	local version="$2"
	local install_path="${3%/bin}/bin"

	if [ "$install_type" != "version" ]; then
		fail "asdf-$TOOL_NAME supports release installs only"
	fi

	(
		mkdir -p "$install_path"
		cp -r "$ASDF_DOWNLOAD_PATH"/* "$install_path"

		local tool_cmd
		tool_cmd="$(echo "$TOOL_TEST" | cut -d' ' -f1)"
		test -x "$install_path/$tool_cmd" || fail "Expected $install_path/$tool_cmd to be executable."

		echo "$TOOL_NAME $version installation was successful!"
	) || (
		rm -rf "$install_path"
		fail "An error occurred while installing $TOOL_NAME $version."
	)
}