# Builds web/docs on every PR that touches it, and deploys to Cloudflare Pages
# (project `beardrive-docs`, custom domain docs.beardrive.ai) on push to main.
#
# Deliberately NOT the Pages Git integration: that clones shallow, and the
# sitemap's <lastmod> comes from each page's commit date, so a depth-1 checkout
# silently drops every lastmod. Hence `fetch-depth: 0` below.
#
# Needs two secrets: CLOUDFLARE_API_TOKEN (an account API token with
# "Cloudflare Pages: Edit") and CLOUDFLARE_ACCOUNT_ID.
name: docs
on:
  push:
    branches: [main]
    paths:
      - "web/docs/**"
      # The palette is generated from the hub frontend's tokens, so a change
      # there changes the built docs too.
      - "internal/webapp/frontend/src/tw.css"
      - ".github/workflows/docs.yml"
  pull_request:
    paths:
      - "web/docs/**"
      - "internal/webapp/frontend/src/tw.css"
      - ".github/workflows/docs.yml"
  workflow_dispatch:

concurrency:
  group: docs-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build-deploy:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0 # sitemap <lastmod> comes from commit dates

      - uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: npm
          cache-dependency-path: web/docs/package-lock.json

      # The build reads ../../internal/webapp/frontend/src/tw.css, so the whole
      # repo has to be checked out — not just this subdirectory.
      - run: npm ci
        working-directory: web/docs
      - run: npm run build
        working-directory: web/docs

      - name: Deploy to Cloudflare Pages
        if: github.event_name != 'pull_request'
        env:
          CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
          CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
        run: >
          npx --yes wrangler@4 pages deploy dist
          --project-name=beardrive-docs
          --branch=main
          --commit-dirty=true
        working-directory: web/docs

      # Same checks Search Console runs: robots.txt -> index -> every URL 200s.
      # Reports, never blocks: half of what it checks (a managed robots.txt
      # shadowing ours, cache propagation) is Cloudflare's call, not this
      # repo's, and a good deploy must not go red over it. Read the step.
      - name: Verify what production actually serves
        if: github.event_name != 'pull_request'
        continue-on-error: true
        run: npm run check:sitemap https://docs.beardrive.ai
        working-directory: web/docs