package com.jeremybarbet.reactnativepurchasekit

import com.android.billingclient.api.ProductDetails
import com.facebook.react.bridge.Arguments
import com.facebook.react.bridge.WritableMap

data class PurchaseKitProduct(
  val id: String,
  val name: String,
  val price: PurchaseKitPrice,
  val subscription: PurchaseKitSubscription?,
)

fun parseProduct(product: ProductDetails, type: String?): PurchaseKitProduct {
  val isSubscription = type == "subscription"
  val hasSubscription = product.subscriptionOfferDetails?.isNotEmpty() ?: false
  val price = parsePrice(product, type)

  val subscription = if (isSubscription && hasSubscription) {
    parseSubscription(product)
  } else {
    null
  }

  return PurchaseKitProduct(
    product.productId,
    product.name,
    price,
    subscription,
  )
}

fun encodeProduct(product: PurchaseKitProduct): WritableMap {
  val productMap = Arguments.createMap()

  productMap.putString("id", product.id)
  productMap.putString("name", product.name)

  val priceMap = Arguments.createMap()
  priceMap.putDouble("value", product.price.value)
  priceMap.putString("currency", product.price.currency)
  priceMap.putString("localized", product.price.localized)
  productMap.putMap("price", priceMap)

  val subscriptionMap = Arguments.createMap()

  if (product.subscription != null) {
    if (product.subscription.period != null) {
      val periodMap = Arguments.createMap()
      periodMap.putInt("value", product.subscription.period.value)
      periodMap.putString("unit", product.subscription.period.unit)
      periodMap.putString("localized", product.subscription.period.localized)

      subscriptionMap.putMap("period", periodMap)
    } else {
      subscriptionMap.putNull("period")
    }

    productMap.putMap("subscription", subscriptionMap)
  } else {
    productMap.putNull("subscription")
  }

  return productMap
}