# discussion-config - Modify discussion metadata (phase, status, participants)
# Usage: cat discussion.md | discussion-config --set-phase detailed_review > discussion-updated.md

name: discussion-config
description: Modify discussion metadata (phase, status, participants)
category: Discussion

arguments:
  - flag: --set-phase
    variable: set_phase
    default: ""
    description: Set the discussion phase
  - flag: --set-status
    variable: set_status
    default: ""
    description: Set the discussion status
  - flag: --add-participant
    variable: add_participant
    default: ""
    description: Add a participant to the discussion
  - flag: --remove-participant
    variable: remove_participant
    default: ""
    description: Remove a participant from the discussion
  - flag: --insert-marker
    variable: insert_marker
    default: ""
    description: Insert a system marker (e.g., PHASE-TRANSITION, VOTE-RESET)

steps:
  - type: code
    code: |
      import re
      from datetime import datetime

      content = input

      changes_made = []

      # Update phase
      if set_phase:
          old_phase_match = re.search(r'<!--\s*Phase:\s*(\w+)\s*-->', content)
          old_phase = old_phase_match.group(1) if old_phase_match else "unknown"

          content = re.sub(
              r'(<!--\s*Phase:\s*)(\w+)(\s*-->)',
              rf'\g<1>{set_phase}\g<3>',
              content
          )

          # Add phase transition marker at the end
          timestamp = datetime.utcnow().strftime("%Y-%m-%dT%H:%M:%SZ")
          marker = f"\n<!-- PHASE-TRANSITION: {old_phase} -> {set_phase} at {timestamp} -->\n"
          content = content.rstrip() + marker

          changes_made.append(f"Phase: {old_phase} -> {set_phase}")

      # Update status
      if set_status:
          old_status_match = re.search(r'<!--\s*Status:\s*(\w+)\s*-->', content)
          old_status = old_status_match.group(1) if old_status_match else "unknown"

          content = re.sub(
              r'(<!--\s*Status:\s*)(\w+)(\s*-->)',
              rf'\g<1>{set_status}\g<3>',
              content
          )

          changes_made.append(f"Status: {old_status} -> {set_status}")

      # Add participant
      if add_participant:
          match = re.search(r'(<!--\s*Participants:\s*)([^>]+)(-->)', content)
          if match:
              current = match.group(2).strip()
              participants = [p.strip() for p in current.split(',')]

              if add_participant not in participants:
                  participants.append(add_participant)
                  new_list = ', '.join(participants)
                  content = (
                      content[:match.start()] +
                      f"<!-- Participants: {new_list} -->" +
                      content[match.end():]
                  )
                  changes_made.append(f"Added participant: {add_participant}")

      # Remove participant
      if remove_participant:
          match = re.search(r'(<!--\s*Participants:\s*)([^>]+)(-->)', content)
          if match:
              current = match.group(2).strip()
              participants = [p.strip() for p in current.split(',')]

              if remove_participant in participants:
                  participants.remove(remove_participant)
                  new_list = ', '.join(participants)
                  content = (
                      content[:match.start()] +
                      f"<!-- Participants: {new_list} -->" +
                      content[match.end():]
                  )
                  changes_made.append(f"Removed participant: {remove_participant}")

      # Insert custom marker
      if insert_marker:
          timestamp = datetime.utcnow().strftime("%Y-%m-%dT%H:%M:%SZ")
          marker = f"\n<!-- {insert_marker} at {timestamp} -->\n"
          content = content.rstrip() + marker
          changes_made.append(f"Inserted marker: {insert_marker}")

      result = content
    output_var: result

output: "{result}"