name: release

on:
  workflow_run:
    workflows: [tests]
    types: [completed]

permissions:
  contents: write

concurrency:
  group: release-${{ github.event.workflow_run.head_sha }}
  cancel-in-progress: false

jobs:
  publish:
    if: >-
      github.event.workflow_run.conclusion == 'success' &&
      github.event.workflow_run.event == 'push' &&
      github.event.workflow_run.head_branch == 'main'
    runs-on: ubuntu-latest
    steps:
      - name: Check out tested commit
        uses: actions/checkout@v4
        with:
          persist-credentials: false
          ref: ${{ github.event.workflow_run.head_sha }}

      - name: Read package version
        id: version
        shell: bash
        run: |
          version="$(python -c 'import pathlib, tomllib; print(tomllib.loads(pathlib.Path("pyproject.toml").read_text())["project"]["version"])')"
          if [[ ! "${version}" =~ ^[0-9]+\.[0-9]+\.[0-9]+([-.][0-9A-Za-z.-]+)?$ ]]; then
            echo "Invalid project version: ${version}" >&2
            exit 1
          fi
          echo "version=${version}" >> "${GITHUB_OUTPUT}"
          echo "tag=v${version}" >> "${GITHUB_OUTPUT}"

      - name: Build release archive
        env:
          VERSION: ${{ steps.version.outputs.version }}
        shell: bash
        run: |
          mkdir -p dist
          archive="ComfyUI-Image-Conveyor-v${VERSION}.zip"
          git archive \
            --format=zip \
            --prefix="ComfyUI-Image-Conveyor-v${VERSION}/" \
            --output="dist/${archive}" \
            HEAD
          (cd dist && sha256sum "${archive}" > SHA256SUMS)

      - name: Publish GitHub release
        env:
          GH_TOKEN: ${{ github.token }}
          RELEASE_SHA: ${{ github.event.workflow_run.head_sha }}
          TAG: ${{ steps.version.outputs.tag }}
          VERSION: ${{ steps.version.outputs.version }}
        shell: bash
        run: |
          if gh release view "${TAG}" >/dev/null 2>&1; then
            echo "Release ${TAG} already exists; leaving it unchanged."
            exit 0
          fi
          gh release create "${TAG}" \
            dist/ComfyUI-Image-Conveyor-v${VERSION}.zip \
            dist/SHA256SUMS \
            --target "${RELEASE_SHA}" \
            --title "Image Conveyor ${TAG}" \
            --notes-file RELEASE_NOTES.md