#!/usr/bin/env bash

set -eo pipefail

DIR="$(CDPATH= cd "$(dirname "${0}")/../../.." && pwd)"
cd "${DIR}"

GO_VERSION=$(grep '^go ' go.mod | awk '{print $2}')
# If the version in go.mod does not include the patch version, e.g. go 1.24, for the
# .pre-commit-hook.yaml configuration, we'll need to add a 0.
if [[ ! "${GO_VERSION}" =~ ^([0-9]+\.){2}([0-9]+)$ ]]; then
  GO_VERSION="${GO_VERSION}.0"
fi

function lesser_version() {
  echo -e "$1\n$2" | sort -V | head -n 1
}

function update_pre_commit_hooks() {
  yq .[].language_version=\"${GO_VERSION}\" .pre-commit-hooks.yaml > .pre-commit-hooks.yaml.tmp
  mv .pre-commit-hooks.yaml.tmp .pre-commit-hooks.yaml
}

for version in $(yq ".[].language_version" .pre-commit-hooks.yaml)
do
  LESSER_VERSION=$(lesser_version "${GO_VERSION}" "${version}")
  if [ ${version} == "${LESSER_VERSION}" ]; then
    echo "found lower pre-commit hook version ${version} compared to go.mod version ${GO_VERSION}"
    update_pre_commit_hooks
    break
  fi
done