import { DIFF_MODE } from "./roll-constants.mjs"
import { PART_DIFF } from "./roll-part-diff.mjs"

const DEFAULT_DIFF_MODES = [DIFF_MODE.LIBRE, DIFF_MODE.IMPOSEE, DIFF_MODE.DEFAUT]

export class RollMode {

  onReady() { }

  get code() { throw new Error(`Pas de code défini pour ${this}`) }
  get name() { return this.code }
  get icon() { return `systems/foundryvtt-reve-de-dragon/assets/actions/${this.code}.svg` }

  toModeData(rollData) {
    return { code: this.code, name: this.name, icon: this.icon, section: 'mode', template: this.template, selected: this.isSelected(rollData) }
  }

  isAllowed(rollData) { return rollData.mode.allowed == undefined || rollData.mode.allowed.includes(this.code) }
  visible(rollData) { return true }

  title(rollData) { return this.code }
  isSelected(rollData) { return rollData.mode.current == this.code }

  setRollDataMode(rollData) {
    rollData.mode.opposed = rollData.opponent != undefined
    rollData.mode.resistance = false /** TODO */
  }

  onSelect(rollData) {
    const mode = [
      rollData.current[PART_DIFF].mode,
      this.modeFromOpponents(rollData),
      rollData.selected[PART_DIFF].mode].find(m => DEFAULT_DIFF_MODES.includes(m))

    this.setDiffMode(rollData, mode ??
      DIFF_MODE.DEFAUT)
  }


  modeFromOpponents(rollData) {
    if (rollData.mode.opposed) {
      if (rollData.mode.resistance) {
        return DIFF_MODE.IMPOSEE
      }
      return DIFF_MODE.LIBRE
    }
    return undefined
  }

  setDiffMode(rollData, mode) {
    rollData.current[PART_DIFF].mode = mode
    this.setRollDataMode(rollData)
  }
}