# .gitea/workflows/findings-ledger-ci.yml
# Findings Ledger CI with RLS migration validation (DEVOPS-LEDGER-TEN-48-001-REL)

name: Findings Ledger CI

on:
  push:
    branches: [main]
    paths:
      - 'src/Findings/**'
      - '.gitea/workflows/findings-ledger-ci.yml'
  pull_request:
    branches: [main, develop]
    paths:
      - 'src/Findings/**'
      - '.gitea/workflows/findings-ledger-ci.yml'

env:
  DOTNET_VERSION: '10.0.100'
  POSTGRES_IMAGE: postgres:16-alpine
  BUILD_CONFIGURATION: Release

jobs:
  build-test:
    runs-on: ubuntu-22.04
    env:
      TEST_RESULTS_DIR: ${{ github.workspace }}/artifacts/test-results
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup .NET ${{ env.DOTNET_VERSION }}
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: ${{ env.DOTNET_VERSION }}
          include-prerelease: true

      - name: Restore dependencies
        run: |
          dotnet restore src/Findings/StellaOps.Findings.Ledger/StellaOps.Findings.Ledger.csproj
          dotnet restore src/Findings/__Tests/StellaOps.Findings.Ledger.Tests/StellaOps.Findings.Ledger.Tests.csproj

      - name: Build
        run: |
          dotnet build src/Findings/StellaOps.Findings.Ledger/StellaOps.Findings.Ledger.csproj \
            -c ${{ env.BUILD_CONFIGURATION }} \
            /p:ContinuousIntegrationBuild=true

      - name: Run unit tests
        run: |
          mkdir -p $TEST_RESULTS_DIR
          dotnet test src/Findings/__Tests/StellaOps.Findings.Ledger.Tests/StellaOps.Findings.Ledger.Tests.csproj \
            -c ${{ env.BUILD_CONFIGURATION }} \
            --logger "trx;LogFileName=ledger-tests.trx" \
            --results-directory $TEST_RESULTS_DIR

      - name: Upload test results
        uses: actions/upload-artifact@v4
        if: always()
        with:
          name: ledger-test-results
          path: ${{ env.TEST_RESULTS_DIR }}

  migration-validation:
    runs-on: ubuntu-22.04
    services:
      postgres:
        image: postgres:16-alpine
        env:
          POSTGRES_USER: ledgertest
          POSTGRES_PASSWORD: ledgertest
          POSTGRES_DB: ledger_test
        ports:
          - 5432:5432
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
    env:
      PGHOST: localhost
      PGPORT: 5432
      PGUSER: ledgertest
      PGPASSWORD: ledgertest
      PGDATABASE: ledger_test
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Setup .NET ${{ env.DOTNET_VERSION }}
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: ${{ env.DOTNET_VERSION }}
          include-prerelease: true

      - name: Install PostgreSQL client
        run: |
          sudo apt-get update
          sudo apt-get install -y postgresql-client

      - name: Wait for PostgreSQL
        run: |
          until pg_isready -h $PGHOST -p $PGPORT -U $PGUSER; do
            echo "Waiting for PostgreSQL..."
            sleep 2
          done

      - name: Apply prerequisite migrations (001-006)
        run: |
          set -euo pipefail
          MIGRATION_DIR="src/Findings/StellaOps.Findings.Ledger/migrations"
          for migration in 001_initial.sql 002_add_evidence_bundle_ref.sql 002_projection_offsets.sql \
                           003_policy_rationale.sql 004_ledger_attestations.sql 004_risk_fields.sql \
                           005_risk_fields.sql 006_orchestrator_airgap.sql; do
            if [ -f "$MIGRATION_DIR/$migration" ]; then
              echo "Applying migration: $migration"
              psql -h $PGHOST -p $PGPORT -U $PGUSER -d $PGDATABASE -f "$MIGRATION_DIR/$migration"
            fi
          done

      - name: Apply RLS migration (007_enable_rls.sql)
        run: |
          set -euo pipefail
          echo "Applying RLS migration..."
          psql -h $PGHOST -p $PGPORT -U $PGUSER -d $PGDATABASE \
            -f src/Findings/StellaOps.Findings.Ledger/migrations/007_enable_rls.sql

      - name: Validate RLS configuration
        run: |
          set -euo pipefail
          echo "Validating RLS is enabled on all protected tables..."

          # Check RLS enabled
          TABLES_WITH_RLS=$(psql -h $PGHOST -p $PGPORT -U $PGUSER -d $PGDATABASE -t -A -c "
            SELECT COUNT(*)
            FROM pg_class c
            JOIN pg_namespace n ON c.relnamespace = n.oid
            WHERE n.nspname = 'public'
              AND c.relrowsecurity = true
              AND c.relname IN (
                'ledger_events', 'ledger_merkle_roots', 'findings_projection',
                'finding_history', 'triage_actions', 'ledger_attestations',
                'orchestrator_exports', 'airgap_imports'
              );
          ")

          if [ "$TABLES_WITH_RLS" -ne 8 ]; then
            echo "::error::Expected 8 tables with RLS enabled, found $TABLES_WITH_RLS"
            exit 1
          fi
          echo "✓ All 8 tables have RLS enabled"

          # Check policies exist
          POLICIES=$(psql -h $PGHOST -p $PGPORT -U $PGUSER -d $PGDATABASE -t -A -c "
            SELECT COUNT(DISTINCT tablename)
            FROM pg_policies
            WHERE schemaname = 'public'
              AND policyname LIKE '%_tenant_isolation';
          ")

          if [ "$POLICIES" -ne 8 ]; then
            echo "::error::Expected 8 tenant isolation policies, found $POLICIES"
            exit 1
          fi
          echo "✓ All 8 tenant isolation policies created"

          # Check tenant function exists
          FUNC_EXISTS=$(psql -h $PGHOST -p $PGPORT -U $PGUSER -d $PGDATABASE -t -A -c "
            SELECT COUNT(*)
            FROM pg_proc p
            JOIN pg_namespace n ON p.pronamespace = n.oid
            WHERE p.proname = 'require_current_tenant'
              AND n.nspname = 'findings_ledger_app';
          ")

          if [ "$FUNC_EXISTS" -ne 1 ]; then
            echo "::error::Tenant function 'require_current_tenant' not found"
            exit 1
          fi
          echo "✓ Tenant function 'findings_ledger_app.require_current_tenant()' exists"

          echo ""
          echo "=== RLS Migration Validation PASSED ==="

      - name: Test rollback migration
        run: |
          set -euo pipefail
          echo "Testing rollback migration..."
          psql -h $PGHOST -p $PGPORT -U $PGUSER -d $PGDATABASE \
            -f src/Findings/StellaOps.Findings.Ledger/migrations/007_enable_rls_rollback.sql

          # Verify RLS is disabled
          TABLES_WITH_RLS=$(psql -h $PGHOST -p $PGPORT -U $PGUSER -d $PGDATABASE -t -A -c "
            SELECT COUNT(*)
            FROM pg_class c
            JOIN pg_namespace n ON c.relnamespace = n.oid
            WHERE n.nspname = 'public'
              AND c.relrowsecurity = true
              AND c.relname IN (
                'ledger_events', 'ledger_merkle_roots', 'findings_projection',
                'finding_history', 'triage_actions', 'ledger_attestations',
                'orchestrator_exports', 'airgap_imports'
              );
          ")

          if [ "$TABLES_WITH_RLS" -ne 0 ]; then
            echo "::error::Rollback failed - $TABLES_WITH_RLS tables still have RLS enabled"
            exit 1
          fi
          echo "✓ Rollback successful - RLS disabled on all tables"

      - name: Re-apply RLS migration (idempotency check)
        run: |
          set -euo pipefail
          echo "Re-applying RLS migration to verify idempotency..."
          psql -h $PGHOST -p $PGPORT -U $PGUSER -d $PGDATABASE \
            -f src/Findings/StellaOps.Findings.Ledger/migrations/007_enable_rls.sql
          echo "✓ Migration is idempotent"

  generate-manifest:
    runs-on: ubuntu-22.04
    needs: [build-test, migration-validation]
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Generate migration manifest
        run: |
          set -euo pipefail
          MIGRATION_FILE="src/Findings/StellaOps.Findings.Ledger/migrations/007_enable_rls.sql"
          ROLLBACK_FILE="src/Findings/StellaOps.Findings.Ledger/migrations/007_enable_rls_rollback.sql"
          MANIFEST_DIR="out/findings-ledger/migrations"
          mkdir -p "$MANIFEST_DIR"

          # Compute SHA256 hashes
          MIGRATION_SHA=$(sha256sum "$MIGRATION_FILE" | awk '{print $1}')
          ROLLBACK_SHA=$(sha256sum "$ROLLBACK_FILE" | awk '{print $1}')
          CREATED_AT=$(date -u +"%Y-%m-%dT%H:%M:%SZ")

          cat > "$MANIFEST_DIR/007_enable_rls.manifest.json" <<EOF
          {
            "\$schema": "https://stella-ops.org/schemas/migration-manifest.v1.json",
            "schemaVersion": "1.0.0",
            "migrationId": "007_enable_rls",
            "module": "findings-ledger",
            "version": "2025.12.0",
            "createdAt": "$CREATED_AT",
            "description": "Enable Row-Level Security for Findings Ledger tenant isolation",
            "taskId": "LEDGER-TEN-48-001-DEV",
            "contractRef": "CONTRACT-FINDINGS-LEDGER-RLS-011",
            "database": {
              "engine": "postgresql",
              "minVersion": "16.0"
            },
            "files": {
              "apply": {
                "path": "007_enable_rls.sql",
                "sha256": "$MIGRATION_SHA"
              },
              "rollback": {
                "path": "007_enable_rls_rollback.sql",
                "sha256": "$ROLLBACK_SHA"
              }
            },
            "affects": {
              "tables": [
                "ledger_events",
                "ledger_merkle_roots",
                "findings_projection",
                "finding_history",
                "triage_actions",
                "ledger_attestations",
                "orchestrator_exports",
                "airgap_imports"
              ],
              "schemas": ["public", "findings_ledger_app"],
              "roles": ["findings_ledger_admin"]
            },
            "prerequisites": [
              "006_orchestrator_airgap"
            ],
            "validation": {
              "type": "rls-check",
              "expectedTables": 8,
              "expectedPolicies": 8,
              "tenantFunction": "findings_ledger_app.require_current_tenant"
            },
            "offlineKit": {
              "includedInBundle": true,
              "requiresManualApply": true,
              "applyOrder": 7
            }
          }
          EOF

          echo "Generated migration manifest at $MANIFEST_DIR/007_enable_rls.manifest.json"
          cat "$MANIFEST_DIR/007_enable_rls.manifest.json"

      - name: Copy migration files for offline-kit
        run: |
          set -euo pipefail
          OFFLINE_DIR="out/findings-ledger/offline-kit/migrations"
          mkdir -p "$OFFLINE_DIR"
          cp src/Findings/StellaOps.Findings.Ledger/migrations/007_enable_rls.sql "$OFFLINE_DIR/"
          cp src/Findings/StellaOps.Findings.Ledger/migrations/007_enable_rls_rollback.sql "$OFFLINE_DIR/"
          cp out/findings-ledger/migrations/007_enable_rls.manifest.json "$OFFLINE_DIR/"
          echo "Offline-kit migration files prepared"
          ls -la "$OFFLINE_DIR"

      - name: Upload migration artefacts
        uses: actions/upload-artifact@v4
        with:
          name: findings-ledger-migrations
          path: out/findings-ledger/
          if-no-files-found: error