name: npins update
on:
  schedule:
    # Run at 11 o'clock every wednesday
    - cron: "00 11 * * 3"

jobs:
  npins_update:
    runs-on: debian-latest
    steps:
      - name: Install applications
        run: apt-get update && apt-get install sudo

      - uses: actions/checkout@v3
        with:
          depth: 0

      - uses: https://github.com/cachix/install-nix-action@v22
        with:
          nix_path: nixpkgs=channel:nixos-unstable

      - name: Install npins and tea
        run: |
          nix-env -f '<nixpkgs>' -i npins tea

      - name: Update dependencies and open PR if necessary
        run: |
          npins update

          if [ ! -z "$(git diff --name-only)" ]; then
            echo "[+] Changes detected, pushing updates."

            git switch -C npins-update

            git add npins

            git config user.name "DGNum Chores"
            git config user.email "tech@dgnum.eu"

            git commit --message "chore(npins): Update"
            git push --set-upstream origin npins-update --force

            # Connect to the server with the cli
            tea login add \
              -n dgnum-chores \
              -t '${{ secrets.TEA_DGNUM_CHORES_TOKEN }}' \
              -u https://git.dgnum.eu

            # Create a pull request if needed
            # i.e. no PR with the same title exists
            if [ -z "$(tea pr ls -f='title,author' -o simple | grep 'chore(npins): Update dgnum-chores')" ]; then
              tea pr create \
                --description "Automatic npins update" \
                --title "chore(npins): Update" \
                --head npins-update
            fi
          fi