name: Track Branch Activity

# When a branch is created that matches an issue number,
# automatically update the project board to show work has started

on:
  create:
    branches:
      - 'issue-*'
      - 'fix-*'
      - 'feat-*'
  push:
    branches:
      - 'issue-*'
      - 'fix-*'
      - 'feat-*'

permissions:
  issues: write
  repository-projects: write

jobs:
  track-branch:
    runs-on: ubuntu-latest
    steps:
      - name: Extract issue number from branch name
        id: extract
        run: |
          BRANCH_NAME="${{ github.ref_name }}"
          echo "Branch: $BRANCH_NAME"
          
          # Extract issue number from branch name
          # Supports: issue-123-description, fix-123-bug, feat-123-feature
          ISSUE_NUM=$(echo "$BRANCH_NAME" | grep -oP '(?<=issue-|fix-|feat-)\d+' | head -1)
          
          if [ -n "$ISSUE_NUM" ]; then
            echo "issue_number=$ISSUE_NUM" >> $GITHUB_OUTPUT
            echo "Found issue number: $ISSUE_NUM"
          else
            echo "No issue number found in branch name"
            echo "issue_number=" >> $GITHUB_OUTPUT
          fi

      - name: Add 'in-progress' label to linked issue
        if: steps.extract.outputs.issue_number != ''
        uses: actions/github-script@v7
        with:
          script: |
            const issueNumber = ${{ steps.extract.outputs.issue_number }};
            
            try {
              // Add in-progress label
              await github.rest.issues.addLabels({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: issueNumber,
                labels: ['in-progress']
              });
              
              // Remove triage/inbox labels if present
              try {
                await github.rest.issues.removeLabel({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  issue_number: issueNumber,
                  name: 'triage'
                });
              } catch (e) {
                // Label might not exist, that's fine
              }
              
              // Add comment showing work has started
              await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: issueNumber,
                body: `🚀 **Work started** on branch \`${{ github.ref_name }}\`\n\nActor: ${{ github.actor }}`
              });
              
              console.log(`Updated issue #${issueNumber} - work in progress`);
            } catch (error) {
              console.log(`Could not update issue #${issueNumber}: ${error.message}`);
            }