package redisstate

import (
	"testing"
	"time"

	"galaxy/mail/internal/domain/common"
	deliverydomain "galaxy/mail/internal/domain/delivery"

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

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

	keyspace := Keyspace{}

	require.Equal(t, "mail:deliveries:ZGVsaXZlcnktMTIz", keyspace.Delivery(common.DeliveryID("delivery-123")))
	require.Equal(t, "mail:attempts:ZGVsaXZlcnktMTIz:MQ", keyspace.Attempt(common.DeliveryID("delivery-123"), 1))
	require.Equal(t, "mail:idempotency:bm90aWZpY2F0aW9u:bm90aWZpY2F0aW9uOm1haWwtMTIz", keyspace.Idempotency(deliverydomain.SourceNotification, common.IdempotencyKey("notification:mail-123")))
	require.Equal(t, "mail:dead_letters:ZGVsaXZlcnktMTIz", keyspace.DeadLetter(common.DeliveryID("delivery-123")))
	require.Equal(t, "mail:delivery_commands", keyspace.DeliveryCommands())
	require.Equal(t, "mail:attempt_schedule", keyspace.AttemptSchedule())
	require.Equal(t, "mail:idx:recipient:cGlsb3RAZXhhbXBsZS5jb20", keyspace.RecipientIndex(common.Email("pilot@example.com")))
	require.Equal(t, "mail:idx:status:c2VudA", keyspace.StatusIndex(deliverydomain.StatusSent))
	require.Equal(t, "mail:idx:source:bm90aWZpY2F0aW9u", keyspace.SourceIndex(deliverydomain.SourceNotification))
	require.Equal(t, "mail:idx:template:YXV0aC5sb2dpbl9jb2Rl", keyspace.TemplateIndex(common.TemplateID("auth.login_code")))
	require.Equal(t, "mail:idx:idempotency:bm90aWZpY2F0aW9u:bm90aWZpY2F0aW9uOm1haWwtMTIz", keyspace.IdempotencyIndex(deliverydomain.SourceNotification, common.IdempotencyKey("notification:mail-123")))
	require.Equal(t, "mail:idx:created_at", keyspace.CreatedAtIndex())
	require.Equal(t, "mail:idx:*", keyspace.SecondaryIndexPattern())
}

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

	record := validDelivery(t)
	record.Source = deliverydomain.SourceNotification
	record.ResendParentDeliveryID = ""
	record.Status = deliverydomain.StatusQueued
	record.SentAt = nil
	record.LocaleFallbackUsed = false
	record.UpdatedAt = record.CreatedAt.Add(time.Minute)
	record.Envelope.Cc = []common.Email{common.Email("pilot@example.com")}
	record.Envelope.ReplyTo = []common.Email{common.Email("reply@example.com")}
	require.NoError(t, record.Validate())

	require.Equal(t, []string{
		"mail:idx:created_at",
		"mail:idx:idempotency:bm90aWZpY2F0aW9u:b3BlcmF0b3I6cmVzZW5kOmRlbGl2ZXJ5LTEyMw",
		"mail:idx:recipient:b3BzQGV4YW1wbGUuY29t",
		"mail:idx:recipient:cGlsb3RAZXhhbXBsZS5jb20",
		"mail:idx:source:bm90aWZpY2F0aW9u",
		"mail:idx:status:cXVldWVk",
		"mail:idx:template:YXV0aC5sb2dpbl9jb2Rl",
	}, Keyspace{}.DeliveryIndexKeys(record))
}

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

	value := time.Unix(1_775_240_000, 123_000_000).UTC()
	require.Equal(t, float64(value.UnixMilli()), CreatedAtScore(value))
	require.Equal(t, float64(value.UnixMilli()), ScheduledForScore(value))
	require.Equal(t, 7*24*time.Hour, IdempotencyTTL)
	require.Equal(t, 30*24*time.Hour, DeliveryTTL)
	require.Equal(t, 90*24*time.Hour, AttemptTTL)
	require.Equal(t, 90*24*time.Hour, DeadLetterTTL)
}