const Schema = require('mongoose').Schema,
  validator = require('validator');

const location = {
  gdt: { type: Date, required: true },      // GPS DateTime
  lat: { type: Number, required: true },
  lon: { type: Number, required: true },
  alt: { type: Number, default: 0 },        // m
  inputs: { type: Number, default: 0 },     // input number
  speed: { type: Number, default: 0 },      // km/h
  head: { type: Number, default: 0 },       // degree 0-359
  temp: { type: Number },
  humid: { type: Number },
  appRate: { type: Number },
  windSpd: { type: Number },
  windHdg: { type: Number },
};

const AddressSchema = new Schema({
  name: { type: String, required: false }, // Optional name field  
  line1: { type: String, require: false },
  line2: { type: String, require: false },
  city: { type: String, require: false },
  postalCode: { type: String, require: false, alias: 'postal_code' },
  state: { type: String, require: false },  // State would be used as Province in some countries
  country: {
    type: String,
    require: true,
    validate: [validator.isISO31661Alpha2, 'invalid_country_code'],
    trim: true,
    uppercase: true,
    ref: 'Country',           // Reference to Country model by code
    localField: 'country',    // Field in this schema
    foreignField: 'code',     // Field in Country schema 
    justOne: true
  },

  phone: { type: String, required: false }, // Optional phone number
  isBilling: { type: Boolean, default: false } // Flag for the current billing address
});

module.exports = {
  location, AddressSchema
}