name: Comment on Discussion When dist-arch/ Changes

on:
  push:
    paths:
      - 'dist-arch/**'
      - '.github/workflows/**'
  workflow_dispatch:

jobs:
  comment_on_discussion:
    runs-on: ubuntu-latest
    steps:
      - name: Create comment on discussion #2140
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          # https://docs.github.com/en/graphql/reference/mutations#adddiscussioncomment
        run: |
          DISCUSSION_NODE_ID=$(gh api graphql -f query='
            query {
              repository( owner: "end-4", name: "dots-hyprland" )
                { discussion(number: 2140) { id } } 
              }' | \
            jq -r '.data.repository.discussion.id')
          echo "The value of DISCUSSION_NODE_ID is ${DISCUSSION_NODE_ID}."
          gh api graphql -f query='
            mutation {
              addDiscussionComment(input:{
                discussionId: "$DISCUSSION_NODE_ID",
                body: "dist-arch/ directory has changed in commit ${{ github.sha }} by ${{ github.actor }}.",
              }) {
                clientMutationId
                comment {
                  id
                  body
                }
              }
            }
          '