name: Firefox Extension CI

on:
  pull_request:
    # edited: removing the WIP: prefix starts the real run.
    types: [opened, synchronize, reopened, edited]
  push:
    branches:
      - develop
      - main
  workflow_dispatch:

concurrency:
  group: ${{ gitea.workflow }}-${{ gitea.ref }}
  # Cancel superseded PR runs, never a push run: main's push uploads the package.
  cancel-in-progress: ${{ gitea.event_name == 'pull_request' }}

jobs:
  validate:
    # WIP gate: skip PRs titled WIP: so early PRs cost no run per push. Gate on
    # the title and nothing else, since a skipped job reports success on the
    # required check (see ~/.claude/docs/gitea-ci-pattern.md).
    if: >-
      gitea.event_name != 'pull_request' || (
        !startsWith(gitea.event.pull_request.title, 'WIP:') &&
        !startsWith(gitea.event.pull_request.title, '[WIP]')
      )
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository
        uses: actions/checkout@v4

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "22"
          cache: npm

      - name: Install dependencies
        run: npm ci

      - name: Lint and build
        run: npm test

      - name: Upload Firefox package
        if: ${{ gitea.event_name == 'push' && gitea.ref == 'refs/heads/main' }}
        uses: actions/upload-artifact@v4
        with:
          name: firefox-extension-${{ gitea.sha }}
          path: web-ext-artifacts/*.zip
          if-no-files-found: error
          retention-days: 30