import { MAGICS } from "../config/constants.js"

export function registerHandlebarsHelpers() {
  const { Handlebars } = globalThis
  if (!Handlebars) return

  Handlebars.registerHelper("select", function (selected, options) {
    const escapedValue = RegExp.escape(Handlebars.escapeExpression(selected))
    const rgx = new RegExp(` value=["']${escapedValue}["']`)
    const html = options.fn(this)
    return html.replace(rgx, "$& selected")
  })

  Handlebars.registerHelper("getMagicBackground", function (magic) {
    return game.i18n.localize(MAGICS[magic]?.background ?? "")
  })

  Handlebars.registerHelper("getMagicLabel", function (magic) {
    return game.i18n.localize(MAGICS[magic]?.label ?? "")
  })

  Handlebars.registerHelper("getMagicAspectLabel", function (magic) {
    return game.i18n.localize(MAGICS[magic]?.aspectlabel ?? "")
  })

  Handlebars.registerHelper("getMagicSpecialityLabel", function (magic, speciality) {
    return game.i18n.localize(MAGICS[magic]?.speciality?.[speciality]?.label ?? "")
  })

  Handlebars.registerHelper("getMagicSpecialityClassIcon", function (magic, speciality) {
    return MAGICS[magic]?.speciality?.[speciality]?.classicon ?? ""
  })

  Handlebars.registerHelper("getMagicSpecialityIcon", function (magic, speciality) {
    return MAGICS[magic]?.speciality?.[speciality]?.icon ?? ""
  })

  Handlebars.registerHelper("getMagicSpecialityElementIcon", function (magic, speciality) {
    return MAGICS[magic]?.speciality?.[speciality]?.elementicon ?? ""
  })

  Handlebars.registerHelper("getMagicSpecialityLabelIcon", function (magic, speciality) {
    return MAGICS[magic]?.speciality?.[speciality]?.labelicon ?? ""
  })

  Handlebars.registerHelper("getMagicSpecialityLabelElement", function (magic, speciality) {
    return game.i18n.localize(MAGICS[magic]?.speciality?.[speciality]?.labelelement ?? "")
  })

  Handlebars.registerHelper("getMagicAspectIcon", function (magic) {
    const icons = {
      internalcinnabar: "/systems/fvtt-chroniques-de-l-etrange/images/cde_metal.webp",
      alchemy:          "/systems/fvtt-chroniques-de-l-etrange/images/cde_eau.webp",
      masteryoftheway:  "/systems/fvtt-chroniques-de-l-etrange/images/cde_terre.webp",
      exorcism:         "/systems/fvtt-chroniques-de-l-etrange/images/cde_feu.webp",
      geomancy:         "/systems/fvtt-chroniques-de-l-etrange/images/cde_bois.webp",
    }
    return icons[magic] ?? ""
  })

  Handlebars.registerHelper("getElementIcon", function (aspect) {
    const icons = {
      metal: "/systems/fvtt-chroniques-de-l-etrange/images/cde_metal.webp",
      water: "/systems/fvtt-chroniques-de-l-etrange/images/cde_eau.webp",
      earth: "/systems/fvtt-chroniques-de-l-etrange/images/cde_terre.webp",
      fire:  "/systems/fvtt-chroniques-de-l-etrange/images/cde_feu.webp",
      wood:  "/systems/fvtt-chroniques-de-l-etrange/images/cde_bois.webp",
      // legacy French keys
      eau:   "/systems/fvtt-chroniques-de-l-etrange/images/cde_eau.webp",
      terre: "/systems/fvtt-chroniques-de-l-etrange/images/cde_terre.webp",
      feu:   "/systems/fvtt-chroniques-de-l-etrange/images/cde_feu.webp",
      bois:  "/systems/fvtt-chroniques-de-l-etrange/images/cde_bois.webp",
    }
    return icons[aspect] ?? ""
  })

  Handlebars.registerHelper("getOrientationIcon", function (orientation) {
    const icons = {
      yin:     "/systems/fvtt-chroniques-de-l-etrange/images/cde_yin.webp",
      yang:    "/systems/fvtt-chroniques-de-l-etrange/images/cde_yang.webp",
      yinyang: "/systems/fvtt-chroniques-de-l-etrange/images/yin_yang.webp",
    }
    return icons[orientation] ?? ""
  })

  Handlebars.registerHelper("getOrientationLabel", function (orientation) {
    const keys = {
      yin:     "CDE.OrientationYin",
      yang:    "CDE.OrientationYang",
      yinyang: "CDE.OrientationYinYang",
    }
    return game.i18n.localize(keys[orientation] ?? "CDE.Orientation")
  })

  Handlebars.registerHelper("getActivationLabel", function (activation) {
    const keys = {
      "action-attack":          "CDE.ActivationAttack",
      "action-defense":         "CDE.ActivationDefense",
      "action-aid":             "CDE.ActivationAid",
      "action-attack-defense":  "CDE.ActivationAttackOrDefense",
      reaction:                 "CDE.ActivationReaction",
      dice:                     "CDE.ActivationDice",
      "damage-inflicted":       "CDE.ActivationDamageInflicted",
      "damage-received":        "CDE.ActivationDamageReceived",
    }
    return game.i18n.localize(keys[activation] ?? "CDE.Activation")
  })
}