package main

import (
	"testing"
	"time"

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

func GetMessage(t uint16, data interface{}) *Message {
	ts := time.Now().Unix()
	return &Message{
		TimeStamp: &ts,
		Type:      t,
		Content:   data,
	}
}

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))
	}
	msg := GetMessage(AddItemType, &messages.AddItem{
		Quantity: 2,
		Price:    100,
		Sku:      "123",
		Name:     "Test item",
		Image:    "test.jpg",
	})

	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)
	}
}

func TestSetDelivery(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))
	}
	msg := GetMessage(AddItemType, &messages.AddItem{
		Quantity: 2,
		Price:    100,
		Sku:      "123",
		Name:     "Test item",
		Image:    "test.jpg",
	})

	grain.HandleMessage(msg, false)

	msg = GetMessage(AddItemType, &messages.AddItem{
		Quantity: 2,
		Price:    100,
		Sku:      "123",
		Name:     "Test item",
		Image:    "test.jpg",
	})

	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")
	}

	setDelivery := GetMessage(SetDeliveryType, &messages.SetDelivery{
		Provider: "test",
		Items:    []int64{1},
	})

	_, err = grain.HandleMessage(setDelivery, false)
	if err != nil {
		t.Errorf("Error handling message: %v\n", err)
	}
	if len(grain.Deliveries) != 1 {
		t.Errorf("Expected 1 delivery, got %d\n", len(grain.Deliveries))
	}
	if len(grain.Deliveries[0].Items) != 1 {
		t.Errorf("Expected 1 items in delivery, got %d\n", len(grain.Deliveries[0].Items))
	}
}

func TestSetDeliveryOnAll(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))
	}
	msg := GetMessage(AddItemType, &messages.AddItem{
		Quantity: 2,
		Price:    100,
		Sku:      "123",
		Name:     "Test item",
		Image:    "test.jpg",
	})

	grain.HandleMessage(msg, false)

	msg = GetMessage(AddItemType, &messages.AddItem{
		Quantity: 2,
		Price:    100,
		Sku:      "1233",
		Name:     "Test item2",
		Image:    "test.jpg",
	})

	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")
	}

	setDelivery := GetMessage(SetDeliveryType, &messages.SetDelivery{
		Provider: "test",
		Items:    []int64{},
	})

	_, err = grain.HandleMessage(setDelivery, false)
	if err != nil {
		t.Errorf("Error handling message: %v\n", err)
	}
	if len(grain.Deliveries) != 1 {
		t.Errorf("Expected 1 delivery, got %d\n", len(grain.Deliveries))
	}

	if len(grain.Deliveries[0].Items) != 2 {
		t.Errorf("Expected 2 items in delivery, got %d\n", len(grain.Deliveries[0].Items))
	}

}