#!/bin/bash

set -e  # trigger failure on error - do not remove!
set -x  # display command on output

if [ -z "${TARGET_VERSION}" ]; then
    >&2 echo "No TARGET_VERSION specified"
    exit 1
fi
CHGLOG_FILE="${CHGLOG_FILE:-CHANGELOG.md}"

# update package version
poetry version "${TARGET_VERSION}"

# collect release notes
REL_NOTES=$(mktemp)
poetry run semantic-release changelog --unreleased >> "${REL_NOTES}"

# update changelog
TMP_CHGLOG=$(mktemp)
TARGET_TAG_NAME="v${TARGET_VERSION}"
RELEASE_URL="$(gh repo view --json url -q ".url")/releases/tag/${TARGET_TAG_NAME}"
printf "## [${TARGET_TAG_NAME}](${RELEASE_URL}) - $(date -Idate)\n\n" >> "${TMP_CHGLOG}"
cat "${REL_NOTES}" >> "${TMP_CHGLOG}"
if [ -f "${CHGLOG_FILE}" ]; then
    printf "\n" | cat - "${CHGLOG_FILE}" >> "${TMP_CHGLOG}"
fi
mv "${TMP_CHGLOG}" "${CHGLOG_FILE}"

# push changes
git config --global user.name 'github-actions[bot]'
git config --global user.email 'github-actions[bot]@users.noreply.github.com'
git add pyproject.toml "${CHGLOG_FILE}"
COMMIT_MSG="chore: bump version to ${TARGET_VERSION} [skip ci]"
git commit -m "${COMMIT_MSG}"
git push origin main

# create GitHub release (incl. Git tag)
gh release create "${TARGET_TAG_NAME}" -F "${REL_NOTES}"