package com.fireworksdk.bridge.models

import org.json.JSONObject
import org.junit.Assert.assertEquals
import org.junit.Assert.assertNull
import org.junit.Test

class FWTrackPurchaseModelDeserializerTest {

  @Test
  fun `deserialize returns null for null json`() {
    assertNull(FWTrackPurchaseModelDeserializer.deserialize(null))
  }

  @Test
  fun `deserialize maps all fields including V2 fields`() {
    val json = JSONObject(
      mapOf(
        "orderId" to "test_order_id",
        "value" to 16.49,
        "currencyCode" to "USD",
        "countryCode" to "US",
        "shippingPrice" to 1.99,
        "subtotal" to 17.5,
        "totalDiscounts" to 3.0,
        "products" to listOf(
          mapOf(
            "extProductId" to "test_product_id",
            "price" to 10.25,
            "quantity" to 1,
            "productName" to "Test product",
            "sku" to "test_sku",
          ),
          mapOf(
            "extProductId" to "test_sku_2",
            "price" to 3.625,
            "quantity" to 2,
          ),
        ),
        "additionalInfo" to mapOf("additionalKey1" to "additionalValue1"),
      )
    )

    val model = FWTrackPurchaseModelDeserializer.deserialize(json)!!

    assertEquals("test_order_id", model.orderId)
    assertEquals(16.49, model.value!!, 0.0)
    assertEquals("USD", model.currencyCode)
    assertEquals("US", model.countryCode)
    assertEquals(1.99, model.shippingPrice!!, 0.0)
    assertEquals(17.5, model.subtotal!!, 0.0)
    assertEquals(3.0, model.totalDiscounts!!, 0.0)
    assertEquals(mapOf("additionalKey1" to "additionalValue1"), model.additionalInfo)

    val products = model.products!!
    assertEquals(2, products.size)
    assertEquals(
      FWTrackPurchaseProduct(
        extProductId = "test_product_id",
        price = 10.25,
        quantity = 1,
        productName = "Test product",
        sku = "test_sku",
      ),
      products[0],
    )
    assertEquals(
      FWTrackPurchaseProduct(
        extProductId = "test_sku_2",
        price = 3.625,
        quantity = 2,
        productName = null,
        sku = null,
      ),
      products[1],
    )
  }

  @Test
  fun `deserialize leaves missing optional fields null`() {
    val json = JSONObject(mapOf("orderId" to "test_order_id"))

    val model = FWTrackPurchaseModelDeserializer.deserialize(json)!!

    assertEquals("test_order_id", model.orderId)
    assertNull(model.value)
    assertNull(model.currencyCode)
    assertNull(model.countryCode)
    assertNull(model.shippingPrice)
    assertNull(model.subtotal)
    assertNull(model.totalDiscounts)
    assertNull(model.products)
    assertNull(model.additionalInfo)
  }

  @Test
  fun `deserialize keeps integer amounts as doubles`() {
    val json = JSONObject(
      mapOf(
        "orderId" to "test_order_id",
        "value" to 16,
        "subtotal" to 17,
        "totalDiscounts" to 3,
      )
    )

    val model = FWTrackPurchaseModelDeserializer.deserialize(json)!!

    assertEquals(16.0, model.value!!, 0.0)
    assertEquals(17.0, model.subtotal!!, 0.0)
    assertEquals(3.0, model.totalDiscounts!!, 0.0)
  }
}