name: DSS Design System Validation

on:
  push:
    branches: ['*']
  pull_request:
    branches: [main, develop]

env:
  DSS_MODE: ci
  DSS_DASHBOARD_URL: ${{ vars.DSS_DASHBOARD_URL || 'https://dss.overbits.luz.uy/api/metrics' }}

jobs:
  dss-validate:
    runs-on: ubuntu-latest

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

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

      - name: Install dependencies
        run: npm ci

      - name: Check for [dss-skip] in commit message
        id: skip-check
        run: |
          COMMIT_MSG=$(git log -1 --pretty=%B)
          if echo "$COMMIT_MSG" | grep -q "\[dss-skip\]"; then
            echo "skip=true" >> $GITHUB_OUTPUT
            echo "::warning::DSS validation skipped via [dss-skip] flag"
          else
            echo "skip=false" >> $GITHUB_OUTPUT
          fi

      - name: Run DSS Rules Validation
        if: steps.skip-check.outputs.skip != 'true'
        id: validate
        run: |
          # Run validation and capture output
          npx dss-rules --ci --json src/ > dss-report.json 2>&1 || true

          # Check results
          ERRORS=$(jq '.totalErrors' dss-report.json)
          WARNINGS=$(jq '.totalWarnings' dss-report.json)

          echo "errors=$ERRORS" >> $GITHUB_OUTPUT
          echo "warnings=$WARNINGS" >> $GITHUB_OUTPUT

          # Print summary
          echo "## DSS Validation Results" >> $GITHUB_STEP_SUMMARY
          echo "- Errors: $ERRORS" >> $GITHUB_STEP_SUMMARY
          echo "- Warnings: $WARNINGS" >> $GITHUB_STEP_SUMMARY

          if [ "$ERRORS" -gt 0 ]; then
            echo "::error::DSS validation failed with $ERRORS errors"
            exit 1
          fi

      - name: Check for version drift
        if: steps.skip-check.outputs.skip != 'true'
        run: |
          CURRENT_VERSION=$(npm list @dss/rules --json 2>/dev/null | jq -r '.dependencies["@dss/rules"].version // "unknown"')
          LATEST_VERSION=$(npm view @dss/rules version 2>/dev/null || echo "unknown")

          if [ "$CURRENT_VERSION" != "$LATEST_VERSION" ] && [ "$LATEST_VERSION" != "unknown" ]; then
            echo "::warning::@dss/rules version drift detected: using $CURRENT_VERSION, latest is $LATEST_VERSION"
          fi

      - name: Upload metrics to dashboard
        if: steps.skip-check.outputs.skip != 'true' && always()
        run: |
          if [ -f dss-report.json ]; then
            # Extract metrics for upload
            jq '{
              project: "${{ github.repository }}",
              branch: "${{ github.ref_name }}",
              commit: "${{ github.sha }}",
              timestamp: now | todate,
              metrics: {
                totalFiles: .totalFiles,
                passedFiles: .passedFiles,
                failedFiles: .failedFiles,
                totalErrors: .totalErrors,
                totalWarnings: .totalWarnings,
                rulesVersion: .rulesVersion
              },
              fileResults: [.fileResults[] | {
                file: .file,
                errors: (.errors | length),
                warnings: (.warnings | length),
                violations: [.errors[], .warnings[] | {
                  rule: .rule,
                  line: .line,
                  column: .column
                }]
              }]
            }' dss-report.json > metrics-payload.json

            # Upload to dashboard (non-blocking)
            curl -X POST \
              -H "Content-Type: application/json" \
              -H "Authorization: Bearer ${{ secrets.DSS_API_TOKEN }}" \
              -d @metrics-payload.json \
              "$DSS_DASHBOARD_URL/upload" \
              --fail-with-body || echo "::warning::Failed to upload metrics to dashboard"
          fi

      - name: Upload validation report artifact
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: dss-validation-report
          path: dss-report.json
          retention-days: 30