const mongoose = require('mongoose')

const countriesSchema = new mongoose.Schema({
  id: Number,
  iso2: String,
  name: String,
  name_fa: String,
  slug: String
})

const provincesSchema = new mongoose.Schema({
  id: Number,
  name: String,
  // نام به زبان خودِ کشور (فعلاً فقط برای ایران پر شده) — برای نمایش مستقل از زبان رابط کاربری
  name_fa: String,
  slug: String,
  // Iran (source_id 103 in data/geo/countries.json) for every pre-existing province, so
  // callers that don't pass a country filter keep seeing exactly the old Iran-only list.
  country_id: { type: Number, default: null }
})

const citiesSchema = new mongoose.Schema({
  id: Number,
  name: String,
  name_fa: String,
  slug: String,
  province_id: Number,
  country_id: { type: Number, default: null }
})

const CountryModel = mongoose.model('Country', countriesSchema)
const ProvinceModel = mongoose.model('Province', provincesSchema)
const CityModel = mongoose.model('City', citiesSchema)

module.exports = { CountryModel, ProvinceModel, CityModel }