name: Deploy to GitHub Pages

on:
  push:
    branches: [main]
  workflow_dispatch:

permissions:
  contents: read
  pages: write
  id-token: write

concurrency:
  group: pages
  cancel-in-progress: true

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: dtolnay/rust-toolchain@stable

      - uses: Swatinem/rust-cache@v2
        with:
          workspaces: parser

      - uses: actions/setup-node@v4
        with:
          node-version: '24'
          cache: 'npm'
          cache-dependency-path: package-lock.json

      - run: npm ci

      # One parser binary builds every dataset; build-db.js reads the dataset
      # list from src/datasets.js and gzips each database in place, leaving no
      # uncompressed file behind.
      - name: Build databases
        run: |
          npm run build:rust
          npm run build:db

      # One Vite build produces every page. scripts/assemble-site.js copies the
      # emitted index.html to each dataset path (and the legacy nested URLs),
      # then fails the job if any uncompressed database reached the artifact.
      - name: Build and assemble site
        run: npm run build:site

      - uses: actions/upload-pages-artifact@v3
        with:
          path: _site

  deploy:
    needs: build
    runs-on: ubuntu-latest
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    steps:
      - id: deployment
        uses: actions/deploy-pages@v4