package localdb

import (
	"testing"

	"git.mchus.pro/mchus/quoteforge/internal/models"
)

func TestNormalizeLotMappings_CaseInsensitiveMerge(t *testing.T) {
	in := []VendorSpecLotMapping{
		{LotName: "cpu_intel_6960p", QuantityPerPN: 1},
		{LotName: "CPU_INTEL_6960P", QuantityPerPN: 2},
		{LotName: "  ps_5200w_Titanium ", QuantityPerPN: 0},
		{LotName: "", QuantityPerPN: 5},
	}

	out := NormalizeLotMappings(in)

	if len(out) != 2 {
		t.Fatalf("expected 2 merged mappings, got %d: %+v", len(out), out)
	}
	if out[0].LotName != "CPU_INTEL_6960P" || out[0].QuantityPerPN != 3 {
		t.Fatalf("expected CPU_INTEL_6960P qty 3, got %+v", out[0])
	}
	if out[1].LotName != "PS_5200W_TITANIUM" || out[1].QuantityPerPN != 1 {
		t.Fatalf("expected PS_5200W_TITANIUM qty 1 (clamped), got %+v", out[1])
	}
}

func TestNormalizeLotMappings_Empty(t *testing.T) {
	if NormalizeLotMappings(nil) != nil {
		t.Fatal("expected nil for empty input")
	}
	if NormalizeLotMappings([]VendorSpecLotMapping{{LotName: "  "}}) != nil {
		t.Fatal("expected nil when all entries blank")
	}
}

func TestPricelistItemToLocal_PreservesLotCategory(t *testing.T) {
	item := &models.PricelistItem{
		LotName:     "CPU_A",
		LotCategory: "CPU",
		Price:       10,
	}

	local := PricelistItemToLocal(item, 123)
	if local.LotCategory != "CPU" {
		t.Fatalf("expected LotCategory=CPU, got %q", local.LotCategory)
	}
}

func TestLocalToPricelistItem_PreservesLotCategory(t *testing.T) {
	local := &LocalPricelistItem{
		LotName:     "CPU_A",
		LotCategory: "CPU",
		Price:       10,
	}

	item := LocalToPricelistItem(local, 456)
	if item.LotCategory != "CPU" {
		t.Fatalf("expected LotCategory=CPU, got %q", item.LotCategory)
	}
}