{
  "version": "2.2.0",
  "name": "Load Audit Logs",
  "description": "Load and paginate audit logs with tenant filtering",
  "trigger": {
    "type": "http",
    "method": "GET",
    "path": "/audit-logs"
  },
  "nodes": [
    {
      "id": "validate_context",
      "type": "operation",
      "op": "validate",
      "input": "{{ $context.tenantId }}",
      "validator": "required",
      "errorMessage": "tenantId is required for multi-tenant safety"
    },
    {
      "id": "extract_pagination",
      "type": "operation",
      "op": "transform_data",
      "input": "{{ $json }}",
      "output": {
        "limit": "{{ Math.min($json.limit || 100, 500) }}",
        "offset": "{{ ($json.page || 1 - 1) * ($json.limit || 100) }}"
      }
    },
    {
      "id": "fetch_logs",
      "type": "operation",
      "op": "database_read",
      "entity": "AuditLog",
      "params": {
        "filter": {
          "tenantId": "{{ $context.tenantId }}"
        },
        "sort": {"timestamp": -1},
        "limit": "{{ $steps.extract_pagination.output.limit }}",
        "offset": "{{ $steps.extract_pagination.output.offset }}"
      },
      "output": "logs"
    },
    {
      "id": "fetch_count",
      "type": "operation",
      "op": "database_count",
      "entity": "AuditLog",
      "params": {
        "filter": {
          "tenantId": "{{ $context.tenantId }}"
        }
      },
      "output": "totalCount"
    },
    {
      "id": "format_response",
      "type": "operation",
      "op": "transform_data",
      "input": "{{ $steps.fetch_logs.output }}",
      "output": {
        "logs": "{{ $steps.fetch_logs.output }}",
        "pagination": {
          "total": "{{ $steps.fetch_count.output }}",
          "limit": "{{ $steps.extract_pagination.output.limit }}",
          "offset": "{{ $steps.extract_pagination.output.offset }}",
          "hasMore": "{{ $steps.fetch_count.output > ($steps.extract_pagination.output.offset + $steps.extract_pagination.output.limit) }}"
        }
      }
    },
    {
      "id": "return_success",
      "type": "action",
      "action": "http_response",
      "status": 200,
      "body": "{{ $steps.format_response.output }}"
    }
  ],
  "errorHandler": {
    "type": "action",
    "action": "http_response",
    "status": 500,
    "body": {
      "error": "Failed to load audit logs",
      "message": "{{ $error.message }}"
    }
  }
}