musubi-reusable.yml

name: MUSUBI Reusable Workflow

permissions:
  contents: read
  issues: write
  pull-requests: write

on:
  workflow_call:
    inputs:
      command:
        description: 'MUSUBI command to run'
        type: string
        default: 'validate'
      feature:
        description: 'Feature name to analyze'
        type: string
        required: false
      fail-on-gaps:
        description: 'Fail if gaps found'
        type: boolean
        default: false
      constitution-check:
        description: 'Run constitutional check'
        type: boolean
        default: true
      post-comment:
        description: 'Post comment on PR'
        type: boolean
        default: true
    outputs:
      validation-result:
        description: 'Validation result'
        value: ${{ jobs.musubi.outputs.validation-result }}
      coverage:
        description: 'Coverage percentage'
        value: ${{ jobs.musubi.outputs.coverage }}
      gaps-count:
        description: 'Number of gaps'
        value: ${{ jobs.musubi.outputs.gaps-count }}

permissions:
  contents: read
  pull-requests: write

jobs:
  musubi:
    name: MUSUBI Validation
    runs-on: ubuntu-latest
    outputs:
      validation-result: ${{ steps.validate.outputs.result }}
      coverage: ${{ steps.analyze.outputs.coverage }}
      gaps-count: ${{ steps.gaps.outputs.count }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '18'
          cache: 'npm'

      - name: Install Dependencies
        run: npm ci || npm install

      - name: Install MUSUBI
        run: npm install -g musubi-sdd

      - name: Constitutional Check
        id: constitution
        if: inputs.constitution-check
        run: |
          echo "🏛️ Constitutional Governance Check"
          if [ -f "steering/rules/constitution.md" ]; then
            npx musubi validate --constitution && echo "result=passed" >> $GITHUB_OUTPUT || echo "result=failed" >> $GITHUB_OUTPUT
          else
            echo "⚠️ No constitution.md found"
            echo "result=skipped" >> $GITHUB_OUTPUT
          fi

      - name: Validate
        id: validate
        if: contains(fromJson('["validate", "all"]'), inputs.command)
        run: |
          echo "✅ Running Validation"
          if npx musubi validate ${{ inputs.feature && format('--feature {0}', inputs.feature) || '' }}; then
            echo "result=passed" >> $GITHUB_OUTPUT
          else
            echo "result=failed" >> $GITHUB_OUTPUT
            exit 1
          fi

      - name: Analyze
        id: analyze
        if: contains(fromJson('["analyze", "all"]'), inputs.command)
        run: |
          echo "📊 Running Analysis"
          RESULT=$(npx musubi analyze --format json ${{ inputs.feature && format('--feature {0}', inputs.feature) || '' }} 2>/dev/null || echo '{"coverage":0}')
          COVERAGE=$(echo "$RESULT" | jq -r '.coverage // 0')
          echo "coverage=$COVERAGE" >> $GITHUB_OUTPUT
          echo "Coverage: $COVERAGE%"

      - name: Check Gaps
        id: gaps
        if: contains(fromJson('["gaps", "trace", "all"]'), inputs.command)
        run: |
          echo "🔗 Checking Traceability Gaps"
          RESULT=$(npx musubi gaps --format json ${{ inputs.feature && format('--feature {0}', inputs.feature) || '' }} 2>/dev/null || echo '{"gaps":[]}')
          COUNT=$(echo "$RESULT" | jq '.gaps | length // 0')
          echo "count=$COUNT" >> $GITHUB_OUTPUT
          echo "Gaps: $COUNT"
          
          if [ "$COUNT" -gt 0 ] && [ "${{ inputs.fail-on-gaps }}" = "true" ]; then
            echo "❌ Gaps found, failing"
            npx musubi gaps ${{ inputs.feature && format('--feature {0}', inputs.feature) || '' }}
            exit 1
          fi

      - name: Generate Report
        id: report
        run: |
          cat << 'EOF' > musubi-report.md
          ## 🎋 MUSUBI SDD Report
          
          | Check | Status |
          |-------|--------|
          | Constitutional | ${{ steps.constitution.outputs.result || 'N/A' }} |
          | Validation | ${{ steps.validate.outputs.result || 'N/A' }} |
          | Coverage | ${{ steps.analyze.outputs.coverage || 'N/A' }}% |
          | Gaps | ${{ steps.gaps.outputs.count || 'N/A' }} |
          
          ---
          *Generated by [MUSUBI SDD](https://github.com/your-org/musubi)*
          EOF
          echo "path=musubi-report.md" >> $GITHUB_OUTPUT

      - name: Comment on PR
        if: github.event_name == 'pull_request' && inputs.post-comment
        uses: actions/github-script@v7
        with:
          script: |
            const fs = require('fs');
            const report = fs.readFileSync('musubi-report.md', 'utf8');
            
            // Find existing comment
            const { data: comments } = await github.rest.issues.listComments({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
            });
            
            const botComment = comments.find(c => 
              c.user.type === 'Bot' && c.body.includes('MUSUBI SDD Report')
            );
            
            if (botComment) {
              await github.rest.issues.updateComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                comment_id: botComment.id,
                body: report
              });
            } else {
              await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.issue.number,
                body: report
              });
            }