import { Model } from '@vuex-orm/core';
import { uuidv4 } from '@/utils/helpers';
import Client from '@/store/models/client';
import InvoiceRow from '@/store/models/invoice-row';
import InvoiceClientField from '@/store/models/invoice-client-field';

export default class Invoice extends Model {
  // This is the name used as module name of the Vuex Store.
  static entity = 'invoices';

  static fields() {
    return {
      id: this.attr(() => uuidv4()),
      number: this.attr(''),
      status: this.attr('draft'),
      issued_at: this.attr(''),
      due_at: this.attr(''),
      late_fee: this.attr(''),
      vat_rate: this.attr(''),
      currency: this.attr(''),
      from_name: this.attr(''),
      from_address: this.attr(''),
      from_postal_code: this.attr(''),
      from_city: this.attr(''),
      from_country: this.attr(''),
      from_county: this.attr(''),
      from_reg_no: this.attr(''),
      from_vat_no: this.attr(''),
      from_website: this.attr(''),
      from_email: this.attr(''),
      from_phone: this.attr(''),
      bank_name: this.attr(''),
      bank_account_no: this.attr(''),
      client_name: this.attr(''),
      client_address: this.attr(''),
      client_postal_code: this.attr(''),
      client_country: this.attr(''),
      client_county: this.attr(''),
      client_city: this.attr(''),
      client_email: this.attr(''),
      client_id: this.attr(null),
      client: this.belongsTo(Client, 'client_id'),
      rows: this.hasMany(InvoiceRow, 'invoice_id'),
      notes: this.attr(''),
      updated_at: this.attr(''),
      created_at: this.attr(''),
      total: this.attr(null), // Only used in lists.
      client_fields: this.hasMany(InvoiceClientField, 'invoice_id'),
    };
  }

  get subTotal() {
    return this.rows.reduce((carr, row) => (row.quantity * row.price) + carr, 0);
  }

  // eslint-disable-next-line no-empty-function
  set subTotal(val) {}

  get total() {
    return this.subTotal + this.totalVat;
  }

  // eslint-disable-next-line no-empty-function
  set total(val) {}

  get totalVat() {
    return (this.vat_rate / 100) * this.subTotal;
  }

  // eslint-disable-next-line no-empty-function
  set totalVat(val) {}
}