package printjob

import (
	"strings"
	"testing"

	"printer.backend/internal/layout"
	"printer.backend/internal/model"
)

func TestSummaryOverflowWarning(t *testing.T) {
	plate := model.Plate{
		WidthMM: 100, HeightMM: 100,
		MarginTop: 5, MarginRight: 5, MarginBottom: 5, MarginLeft: 5,
	}
	spec := model.ItemSpec{WidthMM: 80, HeightMM: 80, BleedMM: 2, MarginMM: 5, PaddingMM: 3}
	preview := layout.Pack(plate, spec, 0)

	orders := []model.Order{
		{ID: "o1", Images: []model.OrderImage{{ID: "a"}, {ID: "b"}}},
		{ID: "o2", Images: []model.OrderImage{{ID: "c"}}},
	}
	s := Summary(orders, preview)
	if preview.Count == 0 {
		if s.ImageCount != 3 {
			t.Fatalf("expected 3 images, got %d", s.ImageCount)
		}
		return
	}
	if preview.Count >= 3 {
		if s.ImageOverflow {
			t.Fatal("expected no overflow")
		}
		return
	}
	if !s.ImageOverflow || s.Warning == "" {
		t.Fatalf("expected overflow warning, got overflow=%v warning=%q", s.ImageOverflow, s.Warning)
	}
	if !strings.Contains(s.Warning, "Bilder") {
		t.Fatalf("unexpected warning: %s", s.Warning)
	}
	if len(s.Assignments) != preview.Count {
		t.Fatalf("expected %d assignments, got %d", preview.Count, len(s.Assignments))
	}
}

func TestCollectImageRefsOrder(t *testing.T) {
	orders := []model.Order{
		{ID: "o1", Images: []model.OrderImage{{ID: "a"}, {ID: "b"}}},
		{ID: "o2", Images: []model.OrderImage{{ID: "c"}}},
	}
	refs := CollectImageRefs(orders)
	if len(refs) != 3 || refs[0].ImageID != "a" || refs[2].OrderID != "o2" {
		t.Fatalf("unexpected refs: %+v", refs)
	}
}