name: Sites
on:
  push:
    branches:
      - 'release/**'
    tags:
      - 'v*'
    paths-ignore:
      - '**.md'
  workflow_dispatch:

env:
  NODE_VERSION: '24.15.0'
  APP_LOC: /Public/app/dc
  SURFER_HOST: https://demo.datacontroller.io
  # A release branch publishes the staging site (a named site on the instance,
  # served at its alias domain); a release tag publishes the demo, which is the
  # default site and so needs no site name.
  STAGING_SITE: staging
  STAGING_DOMAIN: staging.datacontroller.io

# One deploy per target site: a newer push supersedes the one in flight, and two
# release branches (which share the staging site) cannot interleave their swaps.
# The demo and staging deploys are independent, so they do not queue.
concurrency:
  group: surfer-${{ startsWith(gitea.ref, 'refs/tags/') && 'demo' || 'staging' }}
  cancel-in-progress: true

jobs:
  deploy:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
        with:
          # The tag is what the client's build stamp describes (src/version.ts
          # runs git-describe), so the demo build needs the tags in the clone.
          fetch-depth: 0
      - uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}

      - name: Write .npmrc file
        run: |
          touch client/.npmrc
          echo '${{ secrets.NPMRC}}' > client/.npmrc

      - name: Install client dependencies
        run: |
          cd client
          # Decrypt and Install sheet
          echo ${{ secrets.SHEET_PWD }} | gpg --batch --yes --passphrase-fd 0 ./libraries/sheet-crypto.tgz.gpg
          npm ci

      - name: Build frontend
        # The site serves this build. `sasjs build` rewrites its index.html to
        # point the adapter at the in-browser backend.
        run: |
          cd client
          npm run postinstall
          npm run build

      - name: Install the SASjs CLI
        # Pinned in sas/package.json - the browser build needs CLI >= 6.1.0
        run: |
          cd sas
          npm ci

      - name: Start SASjs server
        # Needed only to run makedata: the drive the site ships with is captured
        # from a real server (see the snapshot step below).
        run: |
          curl -L https://github.com/sasjs/server/releases/latest/download/linux.zip > linux.zip
          unzip -q linux.zip
          touch .env
          echo RUN_TIMES=js >> .env
          echo NODE_PATH=node >> .env
          # The server refuses to run as root unless RUN_AS names an account
          echo RUN_AS=root >> .env
          nohup ./api-linux > server.log 2>&1 &
          for i in $(seq 1 60); do
            if curl -sf -o /dev/null http://localhost:5000/; then
              echo "SASjs server answered on attempt ${i}"
              exit 0
            fi
            sleep 2
          done
          echo "SASjs server did not come up within 120s"
          cat server.log
          exit 1

      - name: Deploy the mocked services and seed the database
        run: |
          cd sas/mocks/sasjs
          # Start from a clean appLoc so the snapshot below is this build alone,
          # not a merge with whatever a previous run left on the drive.
          curl -sS -X DELETE "http://localhost:5000/SASjsApi/drive/folder/?_folderPath=$APP_LOC"
          ../../node_modules/.bin/sasjs cbd -t server-ci
          # makedata replies with HTML (it is normally called as a URL redirect),
          # which the CLI reports as "invalid Json string" - that exit is
          # expected. A real failure must not be published as an empty site, so
          # the drive is checked before the snapshot is taken.
          ../../node_modules/.bin/sasjs request services/admin/makedata -t server-ci -d deploy/makedata.json -o ./makedata_out.json || true

          DATA_DIR="../../../sasjs_root/drive/files$APP_LOC/data"
          SEEDED=$(find "$DATA_DIR" -name '*.json' 2>/dev/null | wc -l)
          echo "makedata seeded $SEEDED table(s) under $DATA_DIR"
          if [ -z "$(find "$DATA_DIR" -name 'mpe_tables.json' 2>/dev/null | head -1)" ] || [ "$SEEDED" -lt 10 ]; then
            echo "makedata did not seed the drive - refusing to publish a data-less site"
            find ../../../sasjs_root/drive/files -maxdepth 3 2>/dev/null | head -20
            exit 1
          fi

      - name: Build the browser-hosted site
        run: |
          # The published sites ship a working licence so they are usable beyond
          # the free tier. The pair is committed in sas/mocks/mock-licence.json
          # rather than minted here, so every deploy of both sites carries the
          # same key; the CI estate stays unlicensed because that file is outside
          # the deployed sync folder, so the specs still exercise the free tier.
          # The pair must round trip through the same WebCrypto the app uses,
          # because a committed pair can drift (one half regenerated, a value
          # truncated on copy) and nothing else would notice before publishing.
          # Identical values in the two fields is the HTTP-format marker the app
          # refuses in a secure context, so refuse to publish one.
          node -e "
            const d = require('./sas/mocks/mock-licence.json')
            const b = (s) => Buffer.from(String(s || ''), 'base64')
            if (!d.licenceKey || !d.activationKey || d.licenceKey === d.activationKey) {
              console.error('sas/mocks/mock-licence.json must hold an HTTPS-format key pair')
              process.exit(1)
            }
            crypto.subtle
              .importKey('pkcs8', b(d.activationKey), { name: 'RSA-OAEP', hash: 'SHA-256' }, false, ['decrypt'])
              .then((key) => crypto.subtle.decrypt({ name: 'RSA-OAEP', hash: 'SHA-256' }, key, b(d.licenceKey)))
              .then((plain) => {
                const data = JSON.parse(new TextDecoder().decode(plain))
                console.log('licence pair round trips: site', data.site_id, 'until', data.valid_until)
              })
              .catch((e) => {
                console.error('sas/mocks/mock-licence.json does not decrypt:', e.message || e)
                process.exit(1)
              })
          "
          LICENCE_DIR="sasjs_root/drive/files$APP_LOC/mock-storage"
          mkdir -p "$LICENCE_DIR"
          cp sas/mocks/mock-licence.json "$LICENCE_DIR/licence.json"

          # DC's data files exist only after makedata has run, so the drive is
          # captured first and shipped as the site's starting drive. services/web9
          # is the streamed frontend, which is already the site itself.
          node sas/mocks/snapshot.js sasjs_root/drive "$APP_LOC" sas/mocks/sasjsbuild/mock-snapshot.json services/web9
          cd sas/mocks/sasjs
          ../../node_modules/.bin/sasjs b -t server-ci

      - name: Publish to Surfer
        env:
          SURFER_USER: allan
          SURFER_PASSWORD: ${{ secrets.DEMO_DATACONTROLLER_IO }}
          REF: ${{ gitea.ref }}
          MESSAGE: Build from ${{ gitea.ref_name }} @ ${{ gitea.sha }}
        run: |
          # `deploy` uploads the folder as an archive and swaps the site in one
          # step, so a failed upload leaves the current site serving.
          if [ -z "$REF" ]; then
            echo "REF is empty - cannot tell a branch push from a tag push"
            exit 1
          fi

          SITE_ARGS=()
          case "$REF" in
            refs/tags/*) ;;
            *) SITE_ARGS=(--site-name "$STAGING_SITE" --domain "$STAGING_DOMAIN") ;;
          esac

          npx --yes @cloudron/surfer@7.2.0 deploy \
            --server "$SURFER_HOST" \
            --username "$SURFER_USER" \
            --password "$SURFER_PASSWORD" \
            --message "$MESSAGE" \
            "${SITE_ARGS[@]}" \
            sas/mocks/sasjsbuild/mock