package savedrecipe_test

import (
	"testing"

	"github.com/food-ai/backend/internal/domain/savedrecipe"
)

func TestMapCuisineSlug_KnownCuisines(t *testing.T) {
	tests := []struct {
		input string
		want  string
	}{
		{"italian", "italian"},
		{"french", "french"},
		{"russian", "russian"},
		{"chinese", "chinese"},
		{"japanese", "japanese"},
		{"korean", "korean"},
		{"mexican", "mexican"},
		{"mediterranean", "mediterranean"},
		{"indian", "indian"},
		{"thai", "thai"},
		{"american", "american"},
		{"georgian", "georgian"},
		{"spanish", "spanish"},
		{"german", "german"},
		{"middle_eastern", "middle_eastern"},
		{"turkish", "turkish"},
		{"greek", "greek"},
		{"vietnamese", "vietnamese"},
	}

	for _, tc := range tests {
		result := savedrecipe.MapCuisineSlug(tc.input)
		if result != tc.want {
			t.Errorf("MapCuisineSlug(%q) = %q, want %q", tc.input, result, tc.want)
		}
	}
}

func TestMapCuisineSlug_GenericFallsToOther(t *testing.T) {
	for _, input := range []string{"asian", "european"} {
		result := savedrecipe.MapCuisineSlug(input)
		if result != "other" {
			t.Errorf("MapCuisineSlug(%q) = %q, want %q", input, result, "other")
		}
	}
}

func TestMapCuisineSlug_Unknown(t *testing.T) {
	result := savedrecipe.MapCuisineSlug("peruvian")
	if result != "other" {
		t.Errorf("MapCuisineSlug(peruvian) = %q, want %q", result, "other")
	}
}

func TestMapCuisineSlug_Empty(t *testing.T) {
	result := savedrecipe.MapCuisineSlug("")
	if result != "other" {
		t.Errorf("MapCuisineSlug() = %q, want %q", result, "other")
	}
}

func TestMapCuisineSlug_CaseSensitive(t *testing.T) {
	// The function does NOT lowercase — "ITALIAN" is unknown and falls back to "other".
	result := savedrecipe.MapCuisineSlug("ITALIAN")
	if result != "other" {
		t.Errorf("MapCuisineSlug(ITALIAN) = %q, want %q", result, "other")
	}
}