name: Check pi version drift

on:
  schedule:
    - cron: "0 6 * * *" # Daily at 6am
  workflow_dispatch:

jobs:
  check-pi:
    runs-on: nixos
    steps:
      - name: Checkout laptop-config
        uses: actions/checkout@v4

      - name: Get latest pi-mono tag
        id: tag
        run: |
          # Forgejo mirror of badlogic/pi-mono
          LATEST=$(git ls-remote --tags https://os.scoble.me/forgejo/sscoble/pi-mono.git \
            | grep -v '\^{}' \
            | awk -F/ '{print $NF}' \
            | grep -E '^v?[0-9]' \
            | sort -V | tail -1)
          echo "latest=$LATEST" >> $GITHUB_OUTPUT
          echo "Latest pi-mono tag: $LATEST"

      - name: Get current version in flake
        id: current
        run: |
          CURRENT=$(grep -E 'version = "' flake.nix | head -1 | sed 's/.*version = "\([^"]*\)".*/\1/')
          echo "current=$CURRENT" >> $GITHUB_OUTPUT
          echo "Current flake version: $CURRENT"

      - name: Open issue on drift
        if: steps.tag.outputs.latest != '' && steps.tag.outputs.latest != steps.current.outputs.current
        run: |
          LATEST="${{ steps.tag.outputs.latest }}"
          CURRENT="${{ steps.current.outputs.current }}"
          echo "DRIFT: pi-mono $LATEST vs flake $CURRENT"

          # Create issue via API if token is available
          if [ -n "$FORGEJO_TOKEN" ]; then
            curl -s -X POST "https://os.scoble.me/forgejo/api/v1/repos/sscoble/laptop-config/issues" \
              -H "Authorization: token $FORGEJO_TOKEN" \
              -H "Content-Type: application/json" \
              -d "{
                \"title\": \"pi: upstream $LATEST available (flake has $CURRENT)\",
                \"body\": \"The pi-mono mirror has tag \`$LATEST\`. The flake currently targets \`$CURRENT\`.\\n\\nAction: update \`flake.nix\` version string and rebuild.\",
                \"labels\": [\"improvement\"]
              }"
        fi