package events

// Tests for event base fields and event type string behavior.

import (
	"context"
	"testing"
	"time"

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

// TestNewBaseEvent verifies event fields and timestamp range.
func TestNewBaseEvent(t *testing.T) {
	before := time.Now()
	base := NewBaseEvent(GameSessionStarted, "agg-1", "session")
	after := time.Now()

	require.Equal(t, GameSessionStarted, base.EventType())
	require.Equal(t, "agg-1", base.AggregateID())
	require.Equal(t, "session", base.AggregateType())
	require.True(t, base.OccurredAt().After(before) || base.OccurredAt().Equal(before))
	require.True(t, base.OccurredAt().Before(after) || base.OccurredAt().Equal(after))
}

// TestEventType_String ensures event type string returns the underlying value.
func TestEventType_String(t *testing.T) {
	require.Equal(t, "game_session.started", GameSessionStarted.String())
}

// TestEventType_NonEmpty ensures all event type constants are non-empty strings.
func TestEventType_NonEmpty(t *testing.T) {
	types := []EventType{
		GameSessionStarted,
		GameSessionEnded,
		GameSessionTimedOut,
		AnswerSubmitted,
		HintRequested,
		QuestionAnswered,
		UserRegistered,
		UserEmailVerified,
		UserDeleted,
		QuestionCreated,
		QuestionUpdated,
		QuestionDeleted,
		ScoreUpdated,
		LeaderboardRefreshed,
	}

	for _, eventType := range types {
		require.NotEmpty(t, eventType.String())
	}
}

type dummyEventBus struct{}

// Publish is a test helper.
func (d *dummyEventBus) Publish(_ context.Context, _ Event) error {
	return nil
}

// Subscribe is a test helper.
func (d *dummyEventBus) Subscribe(_ EventHandler) error {
	return nil
}

var _ EventBus = (*dummyEventBus)(nil)