/**
 * Data model for Feature items
 */
export default class BoLFeatureDataModel extends foundry.abstract.TypeDataModel {
  static defineSchema() {
    const fields = foundry.data.fields;
    const requiredInteger = { required: true, nullable: false, integer: true };
    
    return {
      // Base fields
      category: new fields.StringField({ initial: null }),
      subtype: new fields.StringField({ initial: "default" }),
      description: new fields.HTMLField({ initial: "" }),
      properties: new fields.SchemaField({}),
      
      // Feature-specific fields
      rank: new fields.NumberField({ ...requiredInteger, initial: 0 })
    };
  }

  static LOCALIZATION_PREFIXES = ["BOL.Feature"];
}