# Deploys the worker on every push to main and once a day. Each run first promotes the most viewed images to static
# files (scripts/promote.js) and ends with an ntfy message on what changed and anything that needs attention.
name: Deploy

on:
  push:
    branches: [main]
  schedule:
    # Just after 00:00 UTC, when the free plan's daily request count resets, so the report covers a full day
    - cron: "23 0 * * *"
  workflow_dispatch:

concurrency:
  group: deploy

permissions:
  contents: read
  actions: write # deletes the previous run's image cache

jobs:
  deploy:
    runs-on: ubuntu-latest
    timeout-minutes: 120
    env:
      CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
      CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
      # Promotion limits (see scripts/promote.js)
      MIN_VIEWS: 20
      MAX_BYTES: 4000000000
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-node@v4
        with:
          node-version: 22

      # Last run's promoted images, so only newly promoted ones download from R2
      - uses: actions/cache/restore@v4
        with:
          path: promoted
          key: promoted-${{ github.run_id }}
          restore-keys: promoted-

      - id: promote
        run: node scripts/promote.js

      - id: deploy
        run: npx -y wrangler@4 deploy

      - if: steps.promote.outcome == 'success'
        uses: actions/cache/save@v4
        with:
          path: promoted
          key: promoted-${{ github.run_id }}

      # Each run saves a new cache, so older ones go to stay under the repo's 10 GB
      - if: steps.promote.outcome == 'success'
        continue-on-error: true
        env:
          GH_TOKEN: ${{ github.token }}
          GH_REPO: ${{ github.repository }}
        run: gh cache list --key promoted- --json id,key --jq '.[] | select(.key != "promoted-${{ github.run_id }}") | .id' | xargs -r -n1 gh cache delete

      - if: always()
        env:
          NTFY_URL: ${{ secrets.NTFY_URL }}
          NTFY_TOKEN: ${{ secrets.NTFY_TOKEN }}
          STATUS: ${{ job.status }}
          FAILED_STEP: ${{ steps.promote.outcome == 'failure' && 'Promoting images' || steps.deploy.outcome == 'failure' && 'wrangler deploy' || '' }}
          TRIGGER: ${{ github.event_name }}
          RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
        run: node scripts/notify.js