#!/bin/bash

# Publishes a release announcement post to utplsql.github.io.

# Creates the post file, prepends an entry to docs/index.md,

# and inserts the post into the mkdocs.yml nav.

#

# Required environment variables:

# API_TOKEN_GITHUB - GitHub token with write access to utPLSQL.github.io

# RELEASE_TAG - e.g. v3.2.01

# RELEASE_BODY - markdown release notes (from github.event.release.body)

# RELEASE_DATE - ISO-8601 publish timestamp (from github.event.release.published_at)

set -euo pipefail

GITHUB_IO_REPO="utPLSQL/utPLSQL.github.io"

GITHUB_IO_BRANCH="main"

VERSION="${RELEASE_TAG#v}"

POST_DATE=$(echo "${RELEASE_DATE}" | cut -c1-10)

POST_FILENAME="${POST_DATE}-version${VERSION}-released.md"

POST_TITLE="utPLSQL ${RELEASE_TAG} released"

POST_NAV_TITLE="utPLSQL ${VERSION} released"

POST_PATH='docs/announcements/posts'

mkdir -p github_io

cd github_io

git clone --depth 1 "https://${API_TOKEN_GITHUB}@github.com/${GITHUB_IO_REPO}" -b "${GITHUB_IO_BRANCH}" .

# Format the release body for the post:

# 1. Convert bare GitHub issue/PR URLs to [#NUMBER](URL)

# e.g. https://github.com/utPLSQL/utPLSQL/pull/1320

# -> [#1320](https://github.com/utPLSQL/utPLSQL/pull/1320)

# 2. Convert the auto-generated "Full Changelog" bare URL to a labelled link

# e.g. **Full Changelog**: https://.../compare/v3.2.01...v3.2.2

# -> **Full Changelog**: [v3.2.01...v3.2.2](https://.../compare/v3.2.01...v3.2.2)

FORMATTED_BODY=$(echo "${RELEASE_BODY}" \

| sed -E 's@https://github\.com/([^/]+)/([^/]+)/(pull|issues)/([0-9]+)@[#\4](https://github.com/\1/\2/\3/\4)@g' \

| sed -E 's@\*\*Full Changelog\*\*: (https://[^ ]+/compare/([^ ]+))@\*\*Full Changelog\*\*: [\2](\1)@g')

# Create the post file

cat > "${POST_PATH}/${POST_FILENAME}" <<POSTEOF

---

layout: post

title: "${POST_TITLE}"

date:

created: ${POST_DATE}

categories:

- "releases"

- "utplsql-core"

---

${FORMATTED_BODY}

----------------------------

[Download utPLSQL release ${RELEASE_TAG} here](https://github.com/utPLSQL/utPLSQL/releases/tag/${RELEASE_TAG})

POSTEOF

git add "${POST_PATH}/${POST_FILENAME}" docs/index.md mkdocs.yml

git commit -m "Release announcement for ${RELEASE_TAG}"

git push origin "${GITHUB_IO_BRANCH}"

echo "Release post published: ${POST_PATH}/${POST_FILENAME}"