package main

import (
	"testing"
	"time"

	messages "git.tornberg.me/go-cart-actor/proto"
)

func TestAddToCart(t *testing.T) {
	grain, err := spawn(ToCartId("kalle"))
	if err != nil {
		t.Errorf("Error spawning: %v\n", err)
	}
	if len(grain.Items) != 0 {
		t.Errorf("Expected 0 items, got %d\n", len(grain.Items))
	}
	addItem := messages.AddItem{
		Quantity: 2,
		Price:    100,
		Sku:      "123",
		Name:     "Test item",
		Image:    "test.jpg",
	}
	ts := time.Now().Unix()
	msg := &Message{
		TimeStamp: &ts,
		Type:      AddItemType,
		Content:   &addItem,
	}
	result, err := grain.HandleMessage(msg, false)

	if err != nil {
		t.Errorf("Error handling message: %v\n", err)
	}
	if len(result) == 0 {
		t.Errorf("Expected result, got nil\n")
	}
	if grain.TotalPrice != 200 {
		t.Errorf("Expected total price 200, got %d\n", grain.TotalPrice)
	}
	if len(grain.Items) != 1 {
		t.Errorf("Expected 1 item, got %d\n", len(grain.Items))
	}
	if grain.Items[0].Quantity != 2 {
		t.Errorf("Expected quantity 2, got %d\n", grain.Items[0].Quantity)
	}
	result, err = grain.HandleMessage(msg, false)
	if err != nil {
		t.Errorf("Error handling message: %v\n", err)
	}
	if len(result) == 0 {
		t.Errorf("Expected result, got nil\n")
	}
	if grain.Items[0].Quantity != 4 {
		t.Errorf("Expected quantity 4, got %d\n", grain.Items[0].Quantity)
	}
	if grain.TotalPrice != 400 {
		t.Errorf("Expected total price 400, got %d\n", grain.TotalPrice)
	}
}