name: fetch upstream mod changes

on:
  schedule:
    - cron: '13,43 * * * *'
  workflow_dispatch:

jobs:
  replace-mods:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout current Gitea repo
        uses: actions/checkout@v4
        with:
          lfs: true

      - name: Clone upstream GitHub repo
        run: |
          git clone https://github.com/skyline69/balatro-mod-index.git /tmp/upstream

      - name: Replace mods directory
        run: |
          rm -rf mods
          cp -a /tmp/upstream/mods ./mods

      - name: Install deps
        run: |
          sudo apt-get update
          sudo apt-get install -y jq moreutils

      - name: Append last-updated timestamp
        run: |
          TIME_NOW=$(date +"%s")
          git diff -z --name-only | grep -z meta.json | while IFS='' read -r -d '' file; do
            jq --indent 2 '."last-updated" |= (. // '"$TIME_NOW"')' "$file" | sponge "$file"
          done

      - name: Commit and push
        run: |
          git config user.name "gitea-bot"
          git config user.email "bot@smallgit.dasguney.com"

          git add mods
          if git commit -m "fetch upstream mod changes ($(date --utc +%Y%m%d_%H%M%SZ))"; then
            git push
          fi