import { ITEM_TYPES } from "../constants.js"
import { Grammar } from "../grammar.js"
import { ROLL_MODE_TACHE } from "./roll-constants.mjs"
import { PART_CARAC } from "./roll-part-carac.mjs"
import { PART_COMP } from "./roll-part-comp.mjs"
import { RollPartSelect } from "./roll-part-select.mjs"
import { ROLLDIALOG_SECTION } from "./roll-part.mjs"

export const PART_TACHE = "tache"

export class RollPartTache extends RollPartSelect {

  get code() { return PART_TACHE }
  get section() { return ROLLDIALOG_SECTION.CHOIX }

  isValid(rollData) { return rollData.active.actor.isPersonnage() }
  visible(rollData) { return this.isRollMode(rollData, ROLL_MODE_TACHE) }

  loadRefs(rollData) {
    const refs = this.getRefs(rollData)
    refs.taches = rollData.active.actor.itemTypes[ITEM_TYPES.tache]
    .filter(tache => tache.system.points_de_tache_courant < tache.system.points_de_tache)
    .map(tache => RollPartTache.$extractTache(tache, rollData.active.actor))
    if (refs.taches.length > 0) {
      this.$selectTache(rollData)
    }
  }
  choices(refs) { return refs.taches }
  
  static $extractTache(tache, actor) {
    return {
      key: tache.id,
      label: tache.name,
      value: tache.system.difficulte,
      tache: tache,
      comp: actor.getCompetence(tache.system.competence)
    }
  }

  $selectTache(rollData, key) {
    this.selectByKey(rollData, key, 0)
  }

  async _onRender(rollDialog, context, options) {
    const selectTache = rollDialog.element.querySelector(`roll-section[name="${this.code}"] select[name="select-tache"]`)

    selectTache.addEventListener("change", e => {
      const selectOptions = e.currentTarget.options
      const index = selectOptions.selectedIndex
      this.$selectTache(rollDialog.rollData, selectOptions[index]?.value)
      rollDialog.setModeTitle()
      rollDialog.render()
    })
  }

  getExternalPartsFilter(partCode, rollData) {
    if (this.visible(rollData)) {
      const current = this.getCurrent(rollData)
      switch (partCode) {
        case PART_CARAC: return p => Grammar.equalsInsensitive(p.key, current?.tache.system.carac)
        case PART_COMP: return p => p.label == current?.comp.name
      }
    }
    return undefined
  }

}