import { ARMOR_TYPE_CHOICES, WEAPON_PROFICIENCY_GROUPS } from "../config/system.mjs"

export default class OathHammerClass extends foundry.abstract.TypeDataModel {
  static defineSchema() {
    const fields = foundry.data.fields
    const schema = {}

    schema.description = new fields.HTMLField({ required: true, textSearch: true })

    // Class features, starting abilities, advancement options (rich text)
    schema.features = new fields.HTMLField({ required: true, textSearch: true })

    // Armor proficiencies — set of keys from ARMOR_TYPE_CHOICES (light, medium, heavy)
    schema.armorProficiency = new fields.SetField(
      new fields.StringField({ choices: ARMOR_TYPE_CHOICES }),
      { required: true, initial: [] }
    )

    // Weapon proficiencies — set of keys from WEAPON_PROFICIENCY_GROUPS
    schema.weaponProficiency = new fields.SetField(
      new fields.StringField({ choices: WEAPON_PROFICIENCY_GROUPS }),
      { required: true, initial: [] }
    )

    return schema
  }

  // Migrate old free-text string values to empty sets
  static migrateData(source) {
    if (typeof source.armorProficiency === "string")  source.armorProficiency  = []
    if (typeof source.weaponProficiency === "string") source.weaponProficiency = []
    return super.migrateData(source)
  }

  static LOCALIZATION_PREFIXES = ["OATHHAMMER.Class"]
}