import { Controller } from 'stimulus'
import { Liquid } from 'liquidjs'

/*
 * Base controller, shared methods go here and other classes extend from
 * this.
 */
export class CartBaseController extends Controller {
  get spree () {
    return window.spree
  }

  /*
   * Gets all products from storage
   *
   * @return [Array]
   */
  get products () {
    if (!this.cart) return []

    return this.cart.data.relationships.variants.data.map(x => JSON.parse(this.storage.getItem(`cart:item:${x.id}`))).filter(x => x !== null)
  }

  /*
   * The storage
   */
  get storage () {
    return window.localStorage
  }

  /*
   * Temporary storage
   */
  get storageTemp () {
    return window.sessionStorage
  }

  get cart () {
    return JSON.parse(this.storage.getItem('cart'))
  }

  set cart (response) {
    this.storage.setItem('cart', JSON.stringify(response.success()))
  }

  get email () {
    return this.storageTemp.getItem('email')
  }

  set email (email) {
    this.storageTemp.setItem('email', email)
  }

  /*
   * The orderToken
   *
   * @return [String]
   */
  get token () {
    return this.storage.getItem('token')
  }

  /*
   * The bearerToken
   *
   * @return [String]
   */
  get bearerToken () {
    return this.storageTemp.getItem('bearerToken')
  }

  set bearerToken (token) {
    this.storageTemp.setItem('bearerToken', token)
  }

  /*
   * Liquid renderer
   *
   * @return Liquid
   */
  get engine () {
    if (!window.liquid) window.liquid = new Liquid()

    return window.liquid
  }

  /*
   * Updates the item counter
   */
  counterUpdate () {
    const item_count = this.cart.data.attributes.item_count

    window.dispatchEvent(new CustomEvent('cart:counter', { detail: { item_count }}))
    this.storage.setItem('cart:counter', item_count)
  }

  /*
   * Removes the brackets from the name or returns the name
   *
   * @return [String]
   */
  idFromInputName (input) {
    const matches = input.name.match(/\[([^\]]+)\]$/)

    return (matches === null) ? input.name : matches[1]
  }

  async handleFailure (response) {
    const data = { type: 'primary' }
    let template = 'alert'
    let notify = true

    const site = window.site
    const fail = response.fail()

    switch (fail.name) {
      case 'MisconfigurationError':
        data.content = fail.message
        break
      case 'NoResponseError':
        data.content = site.i18n.alerts.no_response_error
        break
      case 'SpreeError':
        data.content = site.i18n.alerts.spree_error
        break
      case 'BasicSpreeError':
        // XXX: The order is missing, we need to start a new one
        if (fail.serverResponse.status === 404) {
          template = 'recover_order'
          data.content = site.i18n.alerts.recover_order
        } else {
          data.content = response.fail().summary
        }

        break
      case 'ExpandedSpreeError':
        const content = []
        // XXX: La API devuelve los mensajes de error tal cual en la
        // llave `error` pero el cliente solo nos da acceso a `errors`.
        for (const field of Object.keys(fail.errors)) {
          if (!site.i18n.errors?.fields[field]) {
            console.error('El campo no tiene traducción', field)
          }

          content.push(`${site.i18n.errors?.fields[field]}: ${fail.errors[field].join(', ')}`)
        }

        data.content = content.join('. ')
        notify = false

        break
      default:
        data.content = fail.message
    }

    if (notify) console.error(fail.name, data.content)
    window.dispatchEvent(new CustomEvent('notification', { detail: { template, data } }))
  }

  set formDisabled (state) {
    if (!this.hasFormTarget) return

    this.formTarget.elements.forEach(x => x.disabled = !!state)
  }

  assignShippingAddress () {
    if (!this.bearerToken) return

    const bearerToken = this.bearerToken
    const orderToken = this.token

    this.spree.sutty.assignOrderShippingAddress({ bearerToken }, { orderToken })
  }

  notify (data = {}) {
    window.dispatchEvent(new CustomEvent('notification', { detail: { template: 'alert', data } }))
  }

  /*
   * Visita una página con soporte para Turbolinks
   *
   * @param [String] URL
   */
  visit (url) {
    try {
      Turbolinks.visit(url)
    } catch {
      window.location = url
    }
  }

  async firstAddress (bearerToken) {
    if (!this._firstAddress) {
      const addresses = await this.spree.account.addressesList({ bearerToken })

      if (addresses.isFail()) {
        this.handleFailure(addresses)
        return
      }

      // XXX: Asumimos que si se registró tiene una dirección que vamos
      // a actualizar.
      this._firstAddress = addresses.success().data[0]
    }

    return this._firstAddress
  }

  async updateAddress(bearerToken, id, address) {
    const updateAddress = await this.spree.account.updateAddress({ bearerToken }, id, { address })

    if (updateAddress.isFail()) {
      this.handleFailure(updateAddress)
      return
    }

    return updateAddress.success()
  }

  async shippingMethods(orderToken) {
    const shippingMethods = await this.spree.checkout.shippingMethods({ orderToken }, { include: 'shipping_rates' })

    if (shippingMethods.isFail()) {
      this.handleFailure(shippingMethods)
      return
    }

    return shippingMethods.success()
  }

  fireCajon (state = 'open', cajon = 'cajon') {
    window.dispatchEvent(new CustomEvent('cajon', { detail: { cajon, state }}))
  }

  formDataToObject (formData) {
    const object = {}

    for (const field of formData) {
      if (field[0].startsWith('_ignore_')) continue

      object[field[0]] = field[1]
    }

    return object
  }
}