package service

import (
	"context"
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestCategoryService_Create(t *testing.T) {
	db, _, svc := setupCategoryService(t)
	account := createTestAccount(t, db)
	portal := createTestPortal(t, db, account.ID)

	cat, err := svc.Create(context.Background(), portal.ID, account.ID, &CreateCategoryRequest{
		Name:        "My Category",
		Slug:        "my-category",
		Description: "A test category",
	})
	require.NoError(t, err)
	assert.Equal(t, "My Category", cat.Name)
	assert.Equal(t, "my-category", cat.Slug)
	assert.Equal(t, portal.ID, cat.PortalID)
}

func TestCategoryService_GetByID(t *testing.T) {
	db, _, svc := setupCategoryService(t)
	account := createTestAccount(t, db)
	portal := createTestPortal(t, db, account.ID)
	cat := createTestCategory(t, db, portal.ID)

	found, err := svc.GetByID(context.Background(), cat.ID)
	require.NoError(t, err)
	assert.Equal(t, cat.Name, found.Name)
}

func TestCategoryService_GetByID_NotFound(t *testing.T) {
	_, _, svc := setupCategoryService(t)

	_, err := svc.GetByID(context.Background(), 99999)
	assert.Error(t, err)
}

func TestCategoryService_Update(t *testing.T) {
	db, _, svc := setupCategoryService(t)
	account := createTestAccount(t, db)
	portal := createTestPortal(t, db, account.ID)
	cat := createTestCategory(t, db, portal.ID)

	updated, err := svc.Update(context.Background(), cat.ID, &UpdateCategoryRequest{
		Name:        "Updated Category",
		Description: "Updated description",
	})
	require.NoError(t, err)
	assert.Equal(t, "Updated Category", updated.Name)
}

func TestCategoryService_Delete(t *testing.T) {
	db, _, svc := setupCategoryService(t)
	account := createTestAccount(t, db)
	portal := createTestPortal(t, db, account.ID)
	cat := createTestCategory(t, db, portal.ID)

	err := svc.Delete(context.Background(), cat.ID)
	require.NoError(t, err)

	_, err = svc.GetByID(context.Background(), cat.ID)
	assert.Error(t, err)
}

func TestCategoryService_ListByPortalID(t *testing.T) {
	db, _, svc := setupCategoryService(t)
	account := createTestAccount(t, db)
	portal := createTestPortal(t, db, account.ID)

	_, err := svc.Create(context.Background(), portal.ID, account.ID, &CreateCategoryRequest{Name: "C1", Slug: "c1"})
	require.NoError(t, err)
	_, err = svc.Create(context.Background(), portal.ID, account.ID, &CreateCategoryRequest{Name: "C2", Slug: "c2"})
	require.NoError(t, err)

	cats, count, err := svc.ListByPortalID(context.Background(), portal.ID, "", 1, 10)
	require.NoError(t, err)
	assert.Equal(t, int64(2), count)
	assert.Len(t, cats, 2)
}