package testkit

import (
	"context"
	"errors"
	"github.com/stretchr/testify/require"
	"testing"
	"time"

	"galaxy/authsession/internal/domain/challenge"
	"galaxy/authsession/internal/domain/common"
	"galaxy/authsession/internal/ports"
)

func TestInMemoryChallengeStoreCreateAndGet(t *testing.T) {
	t.Parallel()

	store := &InMemoryChallengeStore{}
	record := challengeFixture()

	if err := store.Create(context.Background(), record); err != nil {
		require.Failf(t, "test failed", "Create() returned error: %v", err)
	}

	got, err := store.Get(context.Background(), record.ID)
	if err != nil {
		require.Failf(t, "test failed", "Get() returned error: %v", err)
	}
	if got.ID != record.ID {
		require.Failf(t, "test failed", "Get().ID = %q, want %q", got.ID, record.ID)
	}
	if &got.CodeHash[0] == &record.CodeHash[0] {
		require.FailNow(t, "Get() returned aliased code hash slice")
	}
}

func TestInMemoryChallengeStoreGetNotFound(t *testing.T) {
	t.Parallel()

	store := &InMemoryChallengeStore{}

	_, err := store.Get(context.Background(), common.ChallengeID("missing"))
	if !errors.Is(err, ports.ErrNotFound) {
		require.Failf(t, "test failed", "Get() error = %v, want ErrNotFound", err)
	}
}

func TestInMemoryChallengeStoreCompareAndSwapConflict(t *testing.T) {
	t.Parallel()

	store := &InMemoryChallengeStore{}
	record := challengeFixture()
	if err := store.Create(context.Background(), record); err != nil {
		require.Failf(t, "test failed", "Create() returned error: %v", err)
	}

	previous := record
	previous.Attempts.Confirm = 1
	next := record
	next.Status = challenge.StatusSent
	next.DeliveryState = challenge.DeliverySent

	err := store.CompareAndSwap(context.Background(), previous, next)
	if !errors.Is(err, ports.ErrConflict) {
		require.Failf(t, "test failed", "CompareAndSwap() error = %v, want ErrConflict", err)
	}
}

func challengeFixture() challenge.Challenge {
	timestamp := time.Unix(20, 0).UTC()
	return challenge.Challenge{
		ID:            common.ChallengeID("challenge-1"),
		Email:         common.Email("pilot@example.com"),
		CodeHash:      []byte("hash"),
		Status:        challenge.StatusPendingSend,
		DeliveryState: challenge.DeliveryPending,
		CreatedAt:     timestamp,
		ExpiresAt:     timestamp.Add(10 * time.Minute),
	}
}