package test

import (
	"RenewCMS/internal/domain/user"
	"RenewCMS/internal/infrastructure/useCases"
	"errors"
	"testing"
)

func TestCancelRegistrationUseCase(t *testing.T) {
	t.Run("The use case deletes an unverified user, independently of any handler", func(t *testing.T) {
		repo := newMockUserRepo()
		repo.users[3] = user.User{ID: 3, IsVerified: false}
		uc := useCases.NewCancelRegistrationUseCase(repo)

		err := uc.CancelRegistration(3)

		if err != nil {
			t.Fatalf("expected no error, got %v", err)
		}
		if _, ok := repo.users[3]; ok {
			t.Errorf("expected user 3 to be removed from the repository")
		}
	})

	t.Run("The use case refuses to delete an already-verified user, independently of any handler", func(t *testing.T) {
		repo := newMockUserRepo()
		repo.users[3] = user.User{ID: 3, IsVerified: true}
		uc := useCases.NewCancelRegistrationUseCase(repo)

		err := uc.CancelRegistration(3)

		if !errors.Is(err, user.ErrAlreadyVerified) {
			t.Fatalf("expected user.ErrAlreadyVerified, got %v", err)
		}
		if _, ok := repo.users[3]; !ok {
			t.Errorf("expected user 3 to still be present in the repository")
		}
	})

	t.Run("The use case reports an unknown user, independently of any handler", func(t *testing.T) {
		repo := newMockUserRepo()
		uc := useCases.NewCancelRegistrationUseCase(repo)

		err := uc.CancelRegistration(42)

		if !errors.Is(err, user.ErrUserNotFound) {
			t.Fatalf("expected user.ErrUserNotFound, got %v", err)
		}
	})
}