package test

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

func TestAccountVerificationUseCase(t *testing.T) {
	t.Run("The use case itself enforces the rule, independently of any handler", func(t *testing.T) {
		repo := newMockUserRepo()
		repo.users[3] = user.User{
			ID:                     3,
			VerificationCode:       "hashed:right-code",
			VerificationExpiration: time.Now().Add(time.Hour),
		}
		uc := useCases.NewVerifyUserUseCase(repo, &stubHasher{}, discardRecorder)

		_, err := uc.Verify(testCtx, 3, "wrong-code")

		if !errors.Is(err, user.ErrInvalidVerificationCode) {
			t.Fatalf("expected ErrInvalidVerificationCode, got %v", err)
		}
		if repo.clearVerificationCodeCalls != 0 {
			t.Errorf("expected ClearVerificationCode to never be called, got %d calls", repo.clearVerificationCodeCalls)
		}
	})

	t.Run("The use case rejects an expired code independently of any handler", func(t *testing.T) {
		repo := newMockUserRepo()
		repo.users[3] = user.User{
			ID:                     3,
			VerificationCode:       "hashed:right-code",
			VerificationExpiration: time.Now().Add(-time.Hour),
		}
		uc := useCases.NewVerifyUserUseCase(repo, &stubHasher{}, discardRecorder)

		_, err := uc.Verify(testCtx, 3, "right-code")

		if !errors.Is(err, user.ErrVerificationCodeExpired) {
			t.Fatalf("expected ErrVerificationCodeExpired, got %v", err)
		}
		if repo.clearVerificationCodeCalls != 0 {
			t.Errorf("expected ClearVerificationCode to never be called, got %d calls", repo.clearVerificationCodeCalls)
		}
	})

	t.Run("The use case succeeds and clears the code independently of any handler", func(t *testing.T) {
		repo := newMockUserRepo()
		repo.users[3] = user.User{
			ID:                     3,
			VerificationCode:       "hashed:right-code",
			VerificationExpiration: time.Now().Add(time.Hour),
		}
		uc := useCases.NewVerifyUserUseCase(repo, &stubHasher{}, discardRecorder)

		result, err := uc.Verify(testCtx, 3, "right-code")

		if err != nil {
			t.Fatalf("expected no error, got %v", err)
		}
		if !result.IsVerified {
			t.Errorf("expected IsVerified true")
		}
		if result.VerificationCode != "" {
			t.Errorf("expected VerificationCode empty, got %q", result.VerificationCode)
		}
		if repo.clearVerificationCodeCalls != 1 {
			t.Errorf("expected ClearVerificationCode to be called exactly once, got %d calls", repo.clearVerificationCodeCalls)
		}
		if len(repo.clearVerificationCodeUserIds) != 1 || repo.clearVerificationCodeUserIds[0] != 3 {
			t.Errorf("expected ClearVerificationCode to be called with userId 3, got %v", repo.clearVerificationCodeUserIds)
		}
		stored := repo.users[3]
		if !stored.IsVerified || stored.VerificationCode != "" {
			t.Errorf("expected stored record updated, got %+v", stored)
		}
	})
}