on:
  issues:
    types: [opened]
  discussion:
    types: [created]

name: Close likely duplicates
permissions: {}

jobs:
  should_run:
    runs-on: ubuntu-latest
    outputs:
      should_run: ${{ steps.should_run.outputs.run }}
    steps:
      - id: should_run
        run: echo "run=${{ github.event_name == 'issues' || github.event.discussion.category.name == 'Feature Request' }}" >> $GITHUB_OUTPUT

  get_body:
    runs-on: ubuntu-latest
    needs: should_run
    if: ${{ needs.should_run.outputs.should_run == 'true' }}
    env:
      EVENT: ${{ toJSON(github.event) }}
    outputs:
      body: ${{ steps.get_body.outputs.body }}
    steps:
      - id: get_body
        run: |
          BODY=$(echo """$EVENT""" | jq -r '.issue // .discussion | .body' | base64 -w 0)
          echo "body=$BODY" >> $GITHUB_OUTPUT

  get_checkbox_json:
    runs-on: ubuntu-latest
    needs: [get_body, should_run]
    if: ${{ needs.should_run.outputs.should_run == 'true' }}
    container:
      image: yshavit/mdq:0.8.0@sha256:c69224d34224a0043d9a3ee46679ba4a2a25afaac445f293d92afe13cd47fcea
    outputs:
      json: ${{ steps.get_checkbox.outputs.json }}
    steps:
      - id: get_checkbox
        env:
          BODY: ${{ needs.get_body.outputs.body }}
        # TODO: We should detect if the checkbox is missing entirely and also close_and_comment in that case.
        run: |
          JSON=$(echo "$BODY" | base64 -d | /mdq --output json '# I have searched | - [?] Yes')
          echo "json=$JSON" >> $GITHUB_OUTPUT

  close_and_comment:
    runs-on: ubuntu-latest
    needs: [get_checkbox_json, should_run]
    if: ${{ needs.should_run.outputs.should_run == 'true' && !fromJSON(needs.get_checkbox_json.outputs.json).items[0].list[0].checked }}
    permissions:
      issues: write
      discussions: write
    steps:
      - name: Close issue
        if: ${{ github.event_name == 'issues' }}
        env:
          GH_TOKEN: ${{ github.token }}
          NODE_ID: ${{ github.event.issue.node_id }}
        run: |
          gh api graphql \
            -f issueId="$NODE_ID" \
            -f body="This issue has automatically been closed as it is likely a duplicate. We get a lot of duplicate threads each day, which is why we ask you in the template to confirm that you searched for duplicates before opening one. If you're sure this is not a duplicate, please leave a comment and we will reopen the thread if necessary." \
            -f query='
              mutation CommentAndCloseIssue($issueId: ID!, $body: String!) {
                addComment(input: {
                  subjectId: $issueId, 
                  body: $body
                }) {
                  __typename
                }
              
                closeIssue(input: {
                  issueId: $issueId,
                  stateReason: DUPLICATE
                }) {
                  __typename
                }
              }'

      - name: Close discussion
        if: ${{ github.event_name == 'discussion' && github.event.discussion.category.name == 'Feature Request' }}
        env:
          GH_TOKEN: ${{ github.token }}
          NODE_ID: ${{ github.event.discussion.node_id }}
        run: |
          gh api graphql \
            -f discussionId="$NODE_ID" \
            -f body="This discussion has automatically been closed as it is likely a duplicate. We get a lot of duplicate threads each day, which is why we ask you in the template to confirm that you searched for duplicates before opening one. If you're sure this is not a duplicate, please leave a comment and we will reopen the thread if necessary." \
            -f query='
              mutation CommentAndCloseDiscussion($discussionId: ID!, $body: String!) {
                addDiscussionComment(input: {
                  discussionId: $discussionId,
                  body: $body
                }) {
                  __typename
                }
              
                closeDiscussion(input: {
                  discussionId: $discussionId,
                  reason: DUPLICATE
                }) {
                  __typename
                }
              }'