name: Release on merge to main

on:
  push:
    branches:
      - main

jobs:
  release:
    if: ${{ !contains(github.event.head_commit.message, '[skip ci]') }}
    runs-on: python-repositories-ci
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.CI_RUNNER_TOKEN }}

      - name: Parse merge commit
        id: meta
        env:
          COMMIT_MSG: ${{ github.event.head_commit.message }}
        run: scripts/ci/parse-merge-commit.sh "$COMMIT_MSG"

      - name: Bump version
        if: steps.meta.outputs.bump != 'skip'
        id: bump
        env:
          UV_INDEX_GITEA_USERNAME: ci-bot
          UV_INDEX_GITEA_PASSWORD: ${{ secrets.CI_RUNNER_TOKEN }}
        run: scripts/ci/bump-version.sh "${{ steps.meta.outputs.bump }}"

      - name: Generate release notes
        if: steps.meta.outputs.bump != 'skip'
        id: notes
        env:
          PR_TITLE: ${{ steps.meta.outputs.pr_title }}
        run: |
          PREV_TAG=$(git describe --tags --abbrev=0)
          NEW_TAG="v${{ steps.bump.outputs.version }}"
          scripts/ci/generate-release-notes.sh "$NEW_TAG" "$PR_TITLE" "$PREV_TAG"

      - name: Update CHANGELOG
        if: steps.meta.outputs.bump != 'skip'
        env:
          PR_TITLE: ${{ steps.meta.outputs.pr_title }}
        run: |
          PREV_TAG=$(git describe --tags --abbrev=0)
          VERSION="${{ steps.bump.outputs.version }}"
          scripts/ci/update-changelog.sh "$VERSION" "$PR_TITLE" "$PREV_TAG"

      - name: Commit, tag, and push
        if: steps.meta.outputs.bump != 'skip'
        env:
          VERSION: ${{ steps.bump.outputs.version }}
          CI_RUNNER_TOKEN: ${{ secrets.CI_RUNNER_TOKEN }}
        run: |
          git config user.name "CI Bot"
          git config user.email "ci-bot@example.com"
          git add pyproject.toml uv.lock CHANGELOG.md
          git commit -m "chore: release v${VERSION} [skip ci]"
          git tag "v${VERSION}"
          git remote set-url origin "https://x-access-token:${CI_RUNNER_TOKEN}@${GITHUB_SERVER_URL#https://}/${GITHUB_REPOSITORY}.git"
          git push origin main
          git push origin "v${VERSION}"

      - name: Create Gitea release
        if: steps.meta.outputs.bump != 'skip'
        env:
          API_URL: ${{ vars.API_URL }}
          REPO_OWNER: ${{ github.repository_owner }}
          REPO_NAME: ${{ github.event.repository.name }}
          CI_RUNNER_TOKEN: ${{ secrets.CI_RUNNER_TOKEN }}
          VERSION: ${{ steps.bump.outputs.version }}
          PR_TITLE: ${{ steps.meta.outputs.pr_title }}
          RELEASE_BODY: ${{ steps.notes.outputs.body }}
        run: |
          SUMMARY=$(echo "$PR_TITLE" | sed -E 's/^\[(patch|fix|minor|feat|major|breaking)\][[:space:]]*//i')
          export RELEASE_NAME="v${VERSION} — ${SUMMARY}"
          PAYLOAD=$(python3 -c 'import json, os; print(json.dumps({"tag_name": "v" + os.environ["VERSION"], "name": os.environ["RELEASE_NAME"], "body": os.environ["RELEASE_BODY"]}))')
          curl -s -X POST \
            "${API_URL}/repos/${REPO_OWNER}/${REPO_NAME}/releases" \
            -H "Authorization: token ${CI_RUNNER_TOKEN}" \
            -H "Content-Type: application/json" \
            -d "$PAYLOAD"

      # Publish here instead of relying on publish.yml tag trigger: release commits use
      # [skip ci], which suppresses tag-push workflows, and Gitea does not emit release
      # events for releases created by the CI bot account.
      - name: Build package
        if: steps.meta.outputs.bump != 'skip'
        env:
          UV_LINK_MODE: copy
          UV_INDEX_GITEA_USERNAME: ci-bot
          UV_INDEX_GITEA_PASSWORD: ${{ secrets.CI_RUNNER_TOKEN }}
        run: |
          uv sync --no-dev --frozen
          uv build

      - name: Publish to Gitea Package Registry
        if: steps.meta.outputs.bump != 'skip'
        env:
          UV_PUBLISH_TOKEN: ${{ secrets.CI_RUNNER_TOKEN }}
          UV_PUBLISH_URL: ${{ vars.REPOSITORY_URL }}
        run: uv publish