name: ci-regression

on:
  workflow_dispatch:
  schedule:
    - cron: "30 18 * * *"

jobs:
  server-regression:
    runs-on: ubuntu-latest
    timeout-minutes: 45

    services:
      postgres:
        image: postgres:16
        env:
          POSTGRES_DB: hyb_oa
          POSTGRES_USER: hyboa_user
          POSTGRES_PASSWORD: hyboa_password
        ports:
          - 5432:5432
        options: >-
          --health-cmd="pg_isready -U hyboa_user -d hyb_oa"
          --health-interval=10s
          --health-timeout=5s
          --health-retries=10

    env:
      NODE_ENV: test
      PORT: 3000
      HOST: 127.0.0.1
      APP_ORIGIN: http://127.0.0.1:5173
      DATABASE_URL: postgresql://hyboa_user:hyboa_password@127.0.0.1:5432/hyb_oa?schema=public
      JWT_SECRET: ci_regression_secret_key
      OCR_PROVIDER: mock
      OCR_MAX_ATTEMPTS: 3
      DELEGATION_REVOKE_CRON: "0 * * * *"
      REGRESSION_REPORT_DIR: /tmp/hyb-oa-regression

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "22"
          cache: npm
          cache-dependency-path: server/package-lock.json

      - name: Install server dependencies
        working-directory: server
        run: npm ci

      - name: Migrate database
        working-directory: server
        run: npm run prisma:migrate:deploy

      - name: Seed database
        working-directory: server
        env:
          SEED_DEV_ALLOW: "1"
          SEED_DEV_DATABASE_CONFIRM: hyb_oa
        run: npm run seed:dev

      - name: Start server
        working-directory: server
        run: |
          nohup npm run dev > /tmp/hyb-oa-server.log 2>&1 &
          echo $! > /tmp/hyb-oa-server.pid

      - name: Wait for health
        run: |
          for i in {1..30}; do
            if curl -fsS "http://127.0.0.1:3000/health" >/dev/null; then
              exit 0
            fi
            sleep 2
          done
          echo "Server health check timed out" >&2
          exit 1

      - name: Run full regression suite
        working-directory: server
        run: |
          mkdir -p "$REGRESSION_REPORT_DIR"
          RUN_AUDIT_REGRESSION=1 RUN_OCR_REGRESSION=1 ./scripts/regression-all.sh --json-report "$REGRESSION_REPORT_DIR/report.json"

      - name: Generate Job Summary
        if: always()
        run: |
          if [[ -f "$REGRESSION_REPORT_DIR/report.json" ]]; then
            python3 -c "
          import json, os
          try:
              with open('$REGRESSION_REPORT_DIR/report.json') as f:
                  d = json.load(f)
              ov = d.get('overall', {})
              summary = f'## Regression Run Status: {ov.get(\"status\")}\\n'
              summary += f'- Passed: {ov.get(\"passed\")} | Failed: {ov.get(\"failed\")} | Skipped: {ov.get(\"skipped\")}\\n'
              summary += f'- Duration: {ov.get(\"duration_ms\")} ms\\n\\n'
              failed = [s for s in d.get('steps', []) if s.get('status') == 'failed']
              if failed:
                  summary += '### Failed Steps\\n'
                  for s in failed:
                      summary += f'- **{s.get(\"name\")}** (exit {s.get(\"exit_code\")})\\n'
              with open(os.environ['GITHUB_STEP_SUMMARY'], 'a') as out:
                  out.write(summary)
          except Exception as e:
              with open(os.environ['GITHUB_STEP_SUMMARY'], 'a') as out:
                  out.write(f'❌ Failed to parse report: {e}')
          "
          else:
            echo "❌ Regression JSON report not found." >> $GITHUB_STEP_SUMMARY
          fi

      - name: Upload regression report artifact
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: regression-report-${{ github.run_id }}-${{ github.sha }}
          path: /tmp/hyb-oa-regression/report.json
          if-no-files-found: warn

      - name: Generate CFR Report
        if: always()
        run: |
          mkdir -p artifacts/regression
          if [[ -f "$REGRESSION_REPORT_DIR/report.json" ]]; then
            cp "$REGRESSION_REPORT_DIR/report.json" artifacts/regression/
          fi
          python3 scripts/cfr_report.py --input-dir artifacts/regression --window 7d,30d --output-json /tmp/cfr.json --output-md /tmp/cfr.md
          echo "## Change Failure Rate" >> $GITHUB_STEP_SUMMARY
          cat /tmp/cfr.md >> $GITHUB_STEP_SUMMARY

      - name: Upload CFR report artifact
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: cfr-report-${{ github.run_id }}-${{ github.sha }}
          path: |
            /tmp/cfr.json
            /tmp/cfr.md
          if-no-files-found: warn

      - name: Stop server
        if: always()
        run: |
          if [[ -f /tmp/hyb-oa-server.pid ]]; then
            kill "$(cat /tmp/hyb-oa-server.pid)" || true
          fi

      - name: Dump server log on failure
        if: failure()
        run: |
          echo "==== /tmp/hyb-oa-server.log ===="
          cat /tmp/hyb-oa-server.log || true