name: ITDA Validate

on:
  pull_request:
    types: [opened, synchronize]
  push:
    branches: [main, develop]

permissions:
  contents: read
  pull-requests: write

jobs:
  constitutional-validation:
    name: Constitutional Validation
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Install Dependencies
        run: npm ci

      - name: Install ITDA
        run: npm install -g itda-sdd

      - name: Run ITDA Validation
        id: validate
        run: |
          # Run constitutional validation with scoring
          npx itda-validate score > validation-report.json 2>&1 || true

          if [ -f validation-report.json ]; then
            SCORE=$(jq '.score // 0' validation-report.json 2>/dev/null || echo "0")
            PASS=$(jq '.pass // false' validation-report.json 2>/dev/null || echo "false")
            
            echo "score=$SCORE" >> $GITHUB_OUTPUT
            echo "pass=$PASS" >> $GITHUB_OUTPUT
          else
            echo "score=0" >> $GITHUB_OUTPUT
            echo "pass=true" >> $GITHUB_OUTPUT
          fi

      - name: Traceability Check
        id: trace
        run: |
          npx itda-trace --verify > trace-report.json 2>&1 || true

          if [ -f trace-report.json ]; then
            COVERAGE=$(jq '.coverage // 100' trace-report.json 2>/dev/null || echo "100")
            ORPHANS=$(jq '.orphanCount // 0' trace-report.json 2>/dev/null || echo "0")
            
            echo "coverage=$COVERAGE" >> $GITHUB_OUTPUT
            echo "orphans=$ORPHANS" >> $GITHUB_OUTPUT
          else
            echo "coverage=100" >> $GITHUB_OUTPUT
            echo "orphans=0" >> $GITHUB_OUTPUT
          fi

      - name: Comment Validation Results
        if: github.event_name == 'pull_request'
        uses: actions/github-script@v7
        with:
          script: |
            const score = '${{ steps.validate.outputs.score }}';
            const pass = '${{ steps.validate.outputs.pass }}';
            const coverage = '${{ steps.trace.outputs.coverage }}';
            const orphans = '${{ steps.trace.outputs.orphans }}';

            const emoji = pass === 'true' ? '✅' : '⚠️';
            const scoreNum = parseFloat(score) || 0;
            const scoreBar = '█'.repeat(Math.floor(scoreNum / 10)) + '░'.repeat(10 - Math.floor(scoreNum / 10));

            await github.rest.issues.createComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
              body: `## ${emoji} ITDA Validation Report\n\n` +
                `### Constitutional Compliance\n` +
                `| Metric | Value |\n` +
                `|--------|-------|\n` +
                `| Score | ${scoreBar} ${score}% |\n` +
                `| Status | ${pass === 'true' ? 'PASS' : 'NEEDS REVIEW'} |\n\n` +
                `### Traceability\n` +
                `| Metric | Value |\n` +
                `|--------|-------|\n` +
                `| Coverage | ${coverage}% |\n` +
                `| Orphan Items | ${orphans} |\n\n` +
                `---\n_Validated by ITDA SDD Framework_`
            });

      - name: Upload Reports
        uses: actions/upload-artifact@v4
        with:
          name: itda-validation-reports
          path: |
            validation-report.json
            trace-report.json
          retention-days: 30