//go:build integration

package recipe_test

import (
	"context"
	"testing"

	"github.com/food-ai/backend/internal/domain/dish"
	"github.com/food-ai/backend/internal/domain/recipe"
	"github.com/food-ai/backend/internal/infra/locale"
	"github.com/food-ai/backend/internal/testutil"
)

func TestRecipeRepository_GetByID_NotFound(t *testing.T) {
	pool := testutil.SetupTestDB(t)
	repo := recipe.NewRepository(pool)
	requestContext := context.Background()

	got, getError := repo.GetByID(requestContext, "00000000-0000-0000-0000-000000000000")
	if getError != nil {
		t.Fatalf("unexpected error: %v", getError)
	}
	if got != nil {
		t.Error("expected nil for non-existent ID")
	}
}

func TestRecipeRepository_Count(t *testing.T) {
	pool := testutil.SetupTestDB(t)
	repo := recipe.NewRepository(pool)
	requestContext := context.Background()

	_, countError := repo.Count(requestContext)
	if countError != nil {
		t.Fatalf("count: %v", countError)
	}
}

func TestRecipeRepository_GetByID_Found(t *testing.T) {
	pool := testutil.SetupTestDB(t)
	dishRepo := dish.NewRepository(pool)
	recipeRepo := recipe.NewRepository(pool)
	requestContext := context.Background()

	recipeID, createError := dishRepo.Create(requestContext, dish.CreateRequest{
		Name:        "Test Pasta",
		Description: "A simple pasta dish",
		Source:      "test",
		Ingredients: []dish.IngredientInput{
			{Name: "pasta", Amount: 200, Unit: "g"},
		},
		Steps: []dish.StepInput{
			{Number: 1, Description: "Boil water"},
		},
	})
	if createError != nil {
		t.Fatalf("create dish+recipe: %v", createError)
	}

	found, getError := recipeRepo.GetByID(requestContext, recipeID)
	if getError != nil {
		t.Fatalf("get recipe: %v", getError)
	}
	if found == nil {
		t.Fatal("expected recipe to be found, got nil")
	}
	if found.ID != recipeID {
		t.Errorf("expected ID %q, got %q", recipeID, found.ID)
	}
	if len(found.Ingredients) != 1 {
		t.Errorf("expected 1 ingredient, got %d", len(found.Ingredients))
	}
	if found.Ingredients[0].Name != "pasta" {
		t.Errorf("expected ingredient name 'pasta', got %q", found.Ingredients[0].Name)
	}
	if len(found.Steps) != 1 {
		t.Errorf("expected 1 step, got %d", len(found.Steps))
	}
}

func TestRecipeRepository_GetByID_WithTranslation(t *testing.T) {
	pool := testutil.SetupTestDB(t)
	dishRepo := dish.NewRepository(pool)
	recipeRepo := recipe.NewRepository(pool)
	baseContext := context.Background()

	recipeID, createError := dishRepo.Create(baseContext, dish.CreateRequest{
		Name:        "Pasta Bolognese",
		Description: "Classic Italian pasta",
		Source:      "test",
	})
	if createError != nil {
		t.Fatalf("create dish+recipe: %v", createError)
	}

	// Without translation context, the recipe should return English content.
	enContext := locale.WithLang(baseContext, "en")
	recipeEN, getError := recipeRepo.GetByID(enContext, recipeID)
	if getError != nil {
		t.Fatalf("get recipe (en): %v", getError)
	}
	if recipeEN == nil {
		t.Fatal("expected recipe, got nil")
	}

	// With a language not having a translation, fallback to English should occur.
	ruContext := locale.WithLang(baseContext, "ru")
	recipeRU, getError := recipeRepo.GetByID(ruContext, recipeID)
	if getError != nil {
		t.Fatalf("get recipe (ru): %v", getError)
	}
	if recipeRU == nil {
		t.Fatal("expected recipe with ru context, got nil")
	}
	// Both should refer to the same recipe ID.
	if recipeEN.ID != recipeRU.ID {
		t.Errorf("expected same recipe ID, got %q vs %q", recipeEN.ID, recipeRU.ID)
	}
}