# discussion-mention-router - Route @mentions to determine which participants should respond
# Usage: cat discussion.md | discussion-parser | discussion-mention-router

name: discussion-mention-router
description: Route @mentions to determine which participants should respond
category: Discussion

arguments:
  - flag: --default-participants
    variable: default_participants
    default: "architect,security,pragmatist"
    description: Comma-separated list of default participants if no mentions

steps:
  - type: code
    code: |
      import json

      data = json.loads(input)
      comments = data.get("comments", [])
      all_mentions = set(data.get("mentions", []))

      # Get all responders (normalized to lowercase, without AI- prefix)
      responders = set()
      for c in comments:
          author = c.get("author", "")
          # Normalize: remove AI- prefix and lowercase
          normalized = author.lower().replace("ai-", "").replace("ai_", "")
          responders.add(normalized)

      # Find pending mentions (mentioned but haven't responded)
      pending_mentions = set()
      for mention in all_mentions:
          normalized_mention = mention.lower()
          if normalized_mention not in responders and normalized_mention != "all":
              pending_mentions.add(mention)

      # Build callout map (participant -> context)
      # For now, we just note who needs to respond
      callouts = {}
      for mention in pending_mentions:
          callouts[mention] = ""  # Context will be populated by runner

      # Handle @all - means all default participants
      if "all" in all_mentions:
          defaults = [p.strip() for p in default_participants.split(",")]
          for p in defaults:
              if p.lower() not in responders:
                  callouts[p] = "@all mentioned"

      # If no mentions at all and no comments, use defaults
      if not callouts and not comments:
          defaults = [p.strip() for p in default_participants.split(",")]
          for p in defaults:
              callouts[p] = "Initial feedback requested"

      # Sort participants for consistent output
      participants_to_call = sorted(callouts.keys())

      result = json.dumps({
          "participants_to_call": participants_to_call,
          "callouts": callouts,
          "pending_mentions": sorted(pending_mentions),
          "all_mentions": sorted(all_mentions),
          "responders": sorted(responders)
      }, indent=2)
    output_var: result

output: "{result}"