name: Deploy to git-pages

# Builds the Vite static site and pushes it to the `pages` branch, which
# the git-pages webhook receiver at pages.civilytics.org serves.
# URL: https://pages.civilytics.org/crdc-demo/
# Same pattern as Civilytics/sln-school-comparison.

on:
  push:
    branches: [main]
    paths:
      - 'src/**'
      - 'index.html'
      - 'vite.config.mjs'
      - 'package.json'
      - '.gitea/workflows/pages.yml'
  workflow_dispatch:

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '22'
          cache: 'npm'

      - name: Install dependencies & build static site
        run: |
          npm ci
          # VITE_API_BASE defaults to the production API; override if needed via secrets.
          npm run build

      - name: Publish dist/ to pages branch
        run: |
          git config user.name "Gitea Actions"
          git config user.email "actions@gitea.civilytics.org"

          # Use the GITHUB_TOKEN for authentication (works with Gitea token auth)
          TOKEN="${{ secrets.GITHUB_TOKEN }}"
          if [ -z "$TOKEN" ]; then
            echo "GITHUB_TOKEN not available; skipping deploy."
            exit 0
          fi

          git remote set-url origin "https://token:${TOKEN}@gitea.civilytics.org/Civilytics/crdc-demo.git"

          # Create orphan pages branch with only the built files
          rm -rf /tmp/pages-branch
          git worktree add --orphan -B pages /tmp/pages-branch

          cp -r dist/. /tmp/pages-branch/
          echo "${GITHUB_SHA}" > /tmp/pages-branch/deploy-sha.txt

          cd /tmp/pages-branch
          git add --all
          git commit -m "Deploy from ${GITHUB_SHA}" || echo "No changes to deploy"
          git push origin pages --force