import { SYSTEM } from "../config/system.mjs"
export default class LethalFantasySkill extends foundry.abstract.TypeDataModel {
  static defineSchema() {
    const fields = foundry.data.fields
    const schema = {}
    const requiredInteger = { required: true, nullable: false, integer: true }

    schema.description = new fields.HTMLField({ required: true, textSearch: true })
    schema.settings = new fields.StringField({ required: true, initial: "common", choices: SYSTEM.AVAILABLE_SETTINGS })

    schema.base = new fields.StringField({ required: true, initial: "WIS" })
    schema.bonus = new fields.NumberField({ ...requiredInteger, required: true, initial: 0, min: 0 })
    schema.diceEvolved = new fields.BooleanField({ required: true, initial: true })
    schema.rollFailed = new fields.BooleanField({ required: true, initial: false })

    return schema
  }

  /** @override */
  static LOCALIZATION_PREFIXES = ["CTHULHUETERNAL.Skill"]

  
  prepareDerivedData() {
    super.prepareDerivedData();
    this.skillTotal = this.computeBase();
  }

  computeBase() {
    let actor = this.parent?.actor;
    if (!actor) {
      return `${this.base  } + ${  String(this.bonus)}`;
    }

    // Split the base value per stat : WIS,DEX,STR,INT,CHA (example)
    const base = this.base;
    let baseSplit = base.split(",");
    let baseSplitLength = baseSplit.length;
    if ( baseSplitLength > 0) {
      // Select the max stat value from the parent actor
      let maxStat = 0;
      for (let i = 0; i < baseSplitLength; i++) {
        const stat = baseSplit[i];
        const statValue = actor.system.characteristics[stat.toLowerCase()]?.value || 0;
        if (statValue > maxStat) {
          maxStat = statValue;
        }
      }
      return maxStat;
    } else {
      // Split with +  calculate the total
      baseSplit = base.split("+");
      baseSplitLength = baseSplit.length;
      if ( baseSplitLength > 0) {
        let total = 0;
        for (let i = 0; i < baseSplitLength; i++) {
          const stat = baseSplit[i];
          const statValue = actor.system.characteristics[stat.toLowerCase()]?.value || 0;
          total += statValue;
        }
        return total
     }
    }
    return `${this.base  } + ${  String(this.bonus)}`;
  }
}