{
  "name": "Appointment",
  "description": "Represents a booking made by a user for a specific service.",
  "auditable": true,
  "softDelete": true,
  "timestamps": true,
  "ownership": true,
  "fields": [
    {
      "name": "userId",
      "type": "string",
      "required": true,
      "filterable": true
    },
    {
      "name": "employeeId",
      "type": "string",
      "required": true,
      "filterable": true
    },
    {
      "name": "serviceId",
      "type": "string",
      "required": true,
      "filterable": true
    },
    { "name": "dayScheduleId", "type": "string", "nullable": true },
    {
      "name": "time",
      "type": "string",
      "format": "time",
      "required": true,
      "sortable": true
    },
    {
      "name": "status",
      "type": "string",
      "default": "pending",
      "enum": ["pending", "confirmed", "cancelled", "completed"],
      "filterable": true,
      "sortable": true
    },
    { "name": "notes", "type": "string", "maxLength": 500, "searchable": true },
    {
      "name": "paymentId",
      "type": "string",
      "nullable": true,
      "sensitive": true
    }
  ],
  "methods": [
    {
      "name": "confirm",
      "params": [],
      "body": "this.status = 'confirmed';",
      "description": "Marks the appointment as confirmed.",
      "returns": "void"
    },
    {
      "name": "cancel",
      "params": [],
      "body": "this.status = 'cancelled';"
    },
    {
      "name": "complete",
      "params": [],
      "body": "this.status = 'completed';"
    }
  ]
}