name: Sync champions data

on:
  schedule:
    # Thursdays 12:00 UTC, after loldle-data's own 06:00 UTC scrape
    # (GitHub queues scheduled runs 2-4h late, so leave a wide margin)
    - cron: '0 12 * * 4'
  workflow_dispatch:

permissions:
  contents: write
  actions: write

concurrency:
  group: sync-data
  cancel-in-progress: false

jobs:
  sync:
    runs-on: ubuntu-latest
    env:
      GH_TOKEN: ${{ github.token }}
      SOURCE_REPO: tiennm99/loldle-data
    steps:
      - uses: actions/checkout@v7

      - name: Fetch champions.json from loldle-data
        run: |
          set -euo pipefail
          sha=$(gh api "repos/$SOURCE_REPO/commits/main" --jq .sha)
          gh api "repos/$SOURCE_REPO/contents/champions.json?ref=$sha" \
            -H "Accept: application/vnd.github.raw" > static/champions.json
          echo "SOURCE_SHA=${sha:0:7}" >> "$GITHUB_ENV"

      - name: Commit if changed
        id: commit
        run: |
          set -euo pipefail
          if git diff --quiet -- static/champions.json; then
            echo "static/champions.json already matches loldle-data@$SOURCE_SHA"
            exit 0
          fi
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add static/champions.json
          git commit -m "chore(data): sync champions from loldle-data@$SOURCE_SHA"
          git push
          echo "changed=true" >> "$GITHUB_OUTPUT"

      # A push made with GITHUB_TOKEN does not trigger other workflows,
      # so the Pages deploy has to be started explicitly.
      - name: Trigger deploy
        if: steps.commit.outputs.changed == 'true'
        run: gh workflow run deploy.yml --ref main