package catalog

import (
	"strings"
	"testing"

	"github.com/descrybe/descrybe-v2/apps/api/internal/aiprompts"
	"github.com/descrybe/descrybe-v2/apps/api/internal/company"
)

func TestCategoryEnhanceTemplateHasAttrs(t *testing.T) {
	t.Parallel()
	tpl := aiprompts.CategoryEnhanceUserTemplate
	if !strings.Contains(tpl, "{{attrs}}") {
		t.Fatalf("template missing {{attrs}}: %q", tpl)
	}
	if !aiprompts.CategoryEnhanceHasRoleSections(tpl) {
		t.Fatal("repaired template must include title/description/meta/attributes sections")
	}
	if !aiprompts.CategoryEnhancePromptNeedsRepair("legacy HTML prompt without attrs") {
		t.Fatal("expected legacy prompt to need repair")
	}
	if aiprompts.CategoryEnhancePromptNeedsRepair(tpl) {
		t.Fatal("canonical template should not need repair")
	}
}

func TestPlatformDemoNameConstant(t *testing.T) {
	t.Parallel()
	if platformDemoCompanyName != "Platform Demo" {
		t.Fatalf("got %q", platformDemoCompanyName)
	}
}

func TestRepairedCategoryEnhancePromptMapMatchesA1Demo(t *testing.T) {
	t.Parallel()
	want, err := repairedCategoryEnhancePromptMap()
	if err != nil {
		t.Fatal(err)
	}
	tpl := strings.TrimSpace(aiprompts.CategoryEnhanceUserTemplate)
	if want["sl"] != tpl || want[company.LangPromptAny] != tpl {
		t.Fatalf("want sl+* template, got %#v", want)
	}
	if !strings.Contains(tpl, "{{attrs}}") {
		t.Fatal("template must include {{attrs}}")
	}
}

func TestCategoryEnhancePromptMapOKAcceptsSplitOverlay(t *testing.T) {
	t.Parallel()
	legacy := `GPT predloga:
<name>{Napiši tip izdelka sentence case}</name>
<metaDescription>{140 znakov}</metaDescription>
<H2>{benefit}</H2>`
	split := aiprompts.SplitLegacyCombinedEnhancePrompt(legacy)
	m := company.LangPromptMap{"sl": split, company.LangPromptAny: split}
	if !categoryEnhancePromptMapOK(m) {
		t.Fatal("split overlay should count as OK")
	}
}

func TestJsonbTemplatePresent(t *testing.T) {
	t.Parallel()
	if jsonbTemplatePresent(nil) || jsonbTemplatePresent([]byte("null")) || jsonbTemplatePresent([]byte("{}")) {
		t.Fatal("empty templates must be absent")
	}
	if !jsonbTemplatePresent([]byte(`{"elements":[{"type":"variable","value":"brand"}]}`)) {
		t.Fatal("title elements should count")
	}
	if !jsonbTemplatePresent([]byte(`{"sections":[{"type":"p","instructions":"x"}]}`)) {
		t.Fatal("description sections should count")
	}
}

func TestDeriveTitleTemplateJSON(t *testing.T) {
	t.Parallel()
	got := aiprompts.DeriveTitleTemplateJSON(`Napiši novo ime po formuli: "tip izdelka sentence case", "znamka s pravilno kapitalizacijo", "poln model izdelka"`)
	if aiprompts.TitleTemplateNeedsRepair(got) {
		t.Fatalf("derived formula still needs repair: %s", got)
	}
	if !strings.Contains(got, "product_type") || !strings.Contains(got, "brand") || !strings.Contains(got, "product_model") {
		t.Fatalf("expected type+brand+model: %s", got)
	}
	fallback := aiprompts.DeriveTitleTemplateJSON("")
	if !strings.Contains(fallback, "brand") || !strings.Contains(fallback, "product_model") {
		t.Fatalf("fallback title template: %s", fallback)
	}
	if aiprompts.TitleTemplateIsBrandOnly([]byte(`{"elements":[{"type":"variable","value":"brand"}]}`)) != true {
		t.Fatal("single brand stub must be brand-only")
	}
}

func TestNormalizeCategoryPromptName(t *testing.T) {
	t.Parallel()
	if got := normalizeCategoryPromptName("  Avtosedeži  in  lupinice "); got != "avtosedezi in lupinice" {
		t.Fatalf("got %q", got)
	}
}