name: Update changelog

on:
  push:
    branches: [ "**" ]
  workflow_dispatch: {}

jobs:
  changelog:
    container: docker.io/thegeeklab/git-sv:2.0.5
    runs-on: ubuntu-latest
    steps:
      - name: Install packages via apt
        run: |
          apk add -q --update --no-cache nodejs curl jq sed
      - uses: actions/checkout@v5.0.0
        with:
          fetch-depth: 0
      - name: Generate upcoming changelog
        env:
          ISSUE_RW_TOKEN: ${{ secrets.ISSUE_RW_TOKEN }}
        run: |
          if [ -z "${ISSUE_RW_TOKEN}" ]; then
            echo "ERROR: Secret 'ISSUE_RW_TOKEN' not defined" 1>&2
            exit 1
          fi

          git sv rn -o changelog.md

          if ! RELEASE_NOTES="$(cat changelog.md)"; then
            echo "ERROR: Failed to read changelog.md" 1>&2
            exit 1
          fi
          export RELEASE_NOTES

          if ! ISSUE_NUMBER="$(curl --fail -s "${GITHUB_SERVER_URL}/api/v1/repos/gitea/helm-gitea/issues?state=open&q=Changelog%20for%20upcoming%20version" | jq '.[].number')"; then
            echo "ERROR: Failed query issue number" 1>&2
            exit 1
          fi
          export ISSUE_NUMBER

          if ! JSON_DATA="$(echo "" | jq -Rs --arg title 'Changelog for upcoming version' --arg body "$(cat changelog.md)" '{title: $title, body: $body}')"; then
            echo "ERROR: Failed to prepare JSON payload" 1>&2
            exit 1
          fi

          CURL_ARGS=(
            "--data" "${JSON_DATA}"
            "--fail"
            "--header" "Authorization: token ${ISSUE_RW_TOKEN}"
            "--header" "Content-Type: application/json"
            "--location"
            "--silent"
          )

          if [ -z "${ISSUE_NUMBER}" ]; then
            curl "${CURL_ARGS[@]}" --request POST "${GITHUB_SERVER_URL}/api/v1/repos/gitea/helm-gitea/issues"
          else
            curl "${CURL_ARGS[@]}" --request PATCH "${GITHUB_SERVER_URL}/api/v1/repos/gitea/helm-gitea/issues/${ISSUE_NUMBER}"
          fi