package service

import (
	"context"
	"encoding/json"
	"fmt"
	"strings"
	"testing"
	"time"

	"github.com/gochat/gochat/internal/campaign"
	"github.com/gochat/gochat/internal/channel"
	"github.com/gochat/gochat/internal/model"
	"github.com/gochat/gochat/internal/worker"
	"gorm.io/gorm"
)

func TestConversationMaintenanceJobsTriggerScheduledItemsFanOut(t *testing.T) {
	now := time.Date(2026, 6, 5, 19, 0, 0, 0, time.UTC)
	db := setupServiceTestDB(t)
	if err := db.AutoMigrate(&campaign.Campaign{}); err != nil {
		t.Fatalf("migrate campaign: %v", err)
	}
	wp := worker.NewWorkerPoolWithOptions(db, worker.WithNow(func() time.Time { return now }))
	registerConversationMaintenanceJobsWithNow(wp, db, func() time.Time { return now })

	account := createTestAccount(t, db)
	inbox := createTestInbox(t, db, account.ID, "sms")
	contact := createTestContact(t, db, account.ID)
	dueAt := now.Add(-time.Hour)
	futureAt := now.Add(time.Hour)
	dueCampaign := createTestOneoffCampaign(t, db, account.ID, inbox.ID, contact.ID, dueAt)
	createTestOneoffCampaign(t, db, account.ID, inbox.ID, contact.ID, futureAt)

	if _, err := EnqueueScheduledItemsTrigger(context.Background(), wp, now); err != nil {
		t.Fatalf("enqueue scheduled trigger: %v", err)
	}
	processed, err := wp.ProcessOne(context.Background())
	if err != nil || !processed {
		t.Fatalf("process scheduled trigger: processed=%v err=%v", processed, err)
	}

	assertJobCount(t, db, TaskTypeCampaignTriggerOneoff, 1)
	assertJobCount(t, db, TaskTypeConversationReopenSnoozed, 1)
	assertJobCount(t, db, TaskTypeConversationResolutionScheduler, 1)

	var campaignJob model.BackgroundJob
	if err := db.Where("job_type = ?", TaskTypeCampaignTriggerOneoff).First(&campaignJob).Error; err != nil {
		t.Fatalf("load campaign job: %v", err)
	}
	if campaignJob.Queue != "low" || campaignJob.Status != model.BackgroundJobStatusQueued || campaignJob.MaxAttempts != 3 {
		t.Fatalf("expected queued low-priority campaign trigger job, got queue=%s status=%s max_attempts=%d", campaignJob.Queue, campaignJob.Status, campaignJob.MaxAttempts)
	}
	if want := fmt.Sprintf("campaign:trigger_oneoff:%d", dueCampaign.ID); campaignJob.IdempotencyKey != want {
		t.Fatalf("expected due campaign idempotency key %q, got %q", want, campaignJob.IdempotencyKey)
	}
	var campaignPayload campaignTriggerOneoffJob
	if err := json.Unmarshal(campaignJob.Payload, &campaignPayload); err != nil {
		t.Fatalf("unmarshal campaign trigger payload: %v", err)
	}
	if campaignPayload.CampaignID != dueCampaign.ID {
		t.Fatalf("expected campaign trigger payload campaign_id=%d, got %d", dueCampaign.ID, campaignPayload.CampaignID)
	}

	var nextTrigger model.BackgroundJob
	if err := db.Where("job_type = ? AND status = ?", TaskTypeScheduledTriggerItems, model.BackgroundJobStatusQueued).First(&nextTrigger).Error; err != nil {
		t.Fatalf("load next trigger: %v", err)
	}
	if !nextTrigger.ScheduledAt.Equal(now.Add(scheduledItemsInterval)) {
		t.Fatalf("expected next trigger at %s, got %s", now.Add(scheduledItemsInterval), nextTrigger.ScheduledAt)
	}
}

type conversationMaintenanceRecordingListener struct {
	events []*channel.ChannelEvent
}

func (l *conversationMaintenanceRecordingListener) Name() string {
	return "conversation_maintenance_recording_listener"
}

func (l *conversationMaintenanceRecordingListener) OnEvent(_ context.Context, event *channel.ChannelEvent) error {
	l.events = append(l.events, event)
	return nil
}

func (l *conversationMaintenanceRecordingListener) eventsByType(eventType channel.EventType) []*channel.ChannelEvent {
	var events []*channel.ChannelEvent
	for _, event := range l.events {
		if event.Type == eventType {
			events = append(events, event)
		}
	}
	return events
}

func TestConversationMaintenanceJobsProcessCampaignSnoozeAndResolution(t *testing.T) {
	now := time.Date(2026, 6, 5, 20, 0, 0, 0, time.UTC)
	db := setupServiceTestDB(t)
	if err := db.AutoMigrate(&campaign.Campaign{}); err != nil {
		t.Fatalf("migrate campaign: %v", err)
	}
	wp := worker.NewWorkerPoolWithOptions(db, worker.WithNow(func() time.Time { return now }))
	registerConversationMaintenanceJobsWithNow(wp, db, func() time.Time { return now })

	account := createTestAccount(t, db)
	account.AutoResolveDuration = 30
	if err := db.Save(account).Error; err != nil {
		t.Fatalf("save auto resolve account: %v", err)
	}
	inbox := createTestInbox(t, db, account.ID, "sms")
	contact := createTestContact(t, db, account.ID)
	dueCampaign := createTestOneoffCampaign(t, db, account.ID, inbox.ID, contact.ID, now.Add(-time.Hour))

	dueSnooze := now.Add(-time.Minute).Unix()
	snoozed := createTestConversation(t, db, account.ID, inbox.ID, contact.ID)
	if err := db.Model(snoozed).Updates(map[string]any{"status": string(model.ConversationStatusSnoozed), "snoozed_until": dueSnooze}).Error; err != nil {
		t.Fatalf("snooze conversation: %v", err)
	}
	oldActivity := now.Add(-45 * time.Minute).Unix()
	oldOpen := createTestConversation(t, db, account.ID, inbox.ID, contact.ID)
	if err := db.Model(oldOpen).Update("last_activity_at", oldActivity).Error; err != nil {
		t.Fatalf("set old activity: %v", err)
	}
	recentActivity := now.Add(-5 * time.Minute).Unix()
	recentOpen := createTestConversation(t, db, account.ID, inbox.ID, contact.ID)
	if err := db.Model(recentOpen).Update("last_activity_at", recentActivity).Error; err != nil {
		t.Fatalf("set recent activity: %v", err)
	}

	if _, err := wp.Enqueue(context.Background(), TaskTypeCampaignTriggerOneoff, campaignTriggerOneoffJob{CampaignID: dueCampaign.ID}, worker.WithQueue("low")); err != nil {
		t.Fatalf("enqueue campaign: %v", err)
	}
	if _, err := wp.Enqueue(context.Background(), TaskTypeConversationReopenSnoozed, nil, worker.WithQueue("low")); err != nil {
		t.Fatalf("enqueue reopen: %v", err)
	}
	if _, err := wp.Enqueue(context.Background(), TaskTypeConversationResolutionScheduler, nil, worker.WithQueue("scheduled_jobs")); err != nil {
		t.Fatalf("enqueue scheduler: %v", err)
	}

	processRequiredJob(t, wp, "campaign")
	processRequiredJob(t, wp, "reopen")
	processRequiredJob(t, wp, "scheduler")
	processRequiredJob(t, wp, "resolution")

	var completed campaign.Campaign
	if err := db.First(&completed, dueCampaign.ID).Error; err != nil {
		t.Fatalf("load campaign: %v", err)
	}
	if completed.CampaignStatus != campaign.CampaignStatusCompleted {
		t.Fatalf("expected completed campaign, got %s", completed.CampaignStatus)
	}
	var completedCampaignJob model.BackgroundJob
	if err := db.Where("job_type = ? AND json_extract(payload, '$.campaign_id') = ?", TaskTypeCampaignTriggerOneoff, dueCampaign.ID).First(&completedCampaignJob).Error; err != nil {
		t.Fatalf("load completed campaign trigger job: %v", err)
	}
	if completedCampaignJob.Status != model.BackgroundJobStatusCompleted || completedCampaignJob.FinishedAt == nil || completedCampaignJob.LastError != "" {
		t.Fatalf("expected completed campaign trigger job, got status=%s finished=%v last_error=%q", completedCampaignJob.Status, completedCampaignJob.FinishedAt, completedCampaignJob.LastError)
	}
	var campaignMessages int64
	if err := db.Model(&model.Message{}).Where("content = ?", dueCampaign.Message).Count(&campaignMessages).Error; err != nil {
		t.Fatalf("count campaign messages: %v", err)
	}
	if campaignMessages != 1 {
		t.Fatalf("expected one campaign message, got %d", campaignMessages)
	}

	if _, err := wp.Enqueue(context.Background(), TaskTypeCampaignTriggerOneoff, campaignTriggerOneoffJob{CampaignID: dueCampaign.ID}, worker.WithQueue("low")); err != nil {
		t.Fatalf("enqueue duplicate campaign: %v", err)
	}
	processRequiredJob(t, wp, "duplicate campaign")
	if err := db.Model(&model.Message{}).Where("content = ?", dueCampaign.Message).Count(&campaignMessages).Error; err != nil {
		t.Fatalf("count duplicate campaign messages: %v", err)
	}
	if campaignMessages != 1 {
		t.Fatalf("expected duplicate campaign job to be idempotent, got %d messages", campaignMessages)
	}

	var reopened model.Conversation
	if err := db.First(&reopened, snoozed.ID).Error; err != nil {
		t.Fatalf("load reopened conversation: %v", err)
	}
	if reopened.Status != string(model.ConversationStatusOpen) || reopened.SnoozedUntil != nil || reopened.ResumedAt == nil {
		t.Fatalf("expected snoozed conversation reopened, got status=%s snoozed=%v resumed=%v", reopened.Status, reopened.SnoozedUntil, reopened.ResumedAt)
	}

	var resolved model.Conversation
	if err := db.First(&resolved, oldOpen.ID).Error; err != nil {
		t.Fatalf("load resolved conversation: %v", err)
	}
	if resolved.Status != string(model.ConversationStatusResolved) || resolved.ResolvedAt == nil {
		t.Fatalf("expected old open conversation resolved, got status=%s resolved_at=%v", resolved.Status, resolved.ResolvedAt)
	}
	var recent model.Conversation
	if err := db.First(&recent, recentOpen.ID).Error; err != nil {
		t.Fatalf("load recent conversation: %v", err)
	}
	if recent.Status != string(model.ConversationStatusOpen) {
		t.Fatalf("expected recent conversation to remain open, got %s", recent.Status)
	}
}

func TestConversationMaintenanceJobsCampaignTriggerDispatchesEvents(t *testing.T) {
	now := time.Date(2026, 6, 5, 20, 15, 0, 0, time.UTC)
	db := setupServiceTestDB(t)
	if err := db.AutoMigrate(&campaign.Campaign{}); err != nil {
		t.Fatalf("migrate campaign: %v", err)
	}
	wp := worker.NewWorkerPoolWithOptions(db, worker.WithNow(func() time.Time { return now }))
	dispatcher := channel.NewDispatcher()
	listener := &conversationMaintenanceRecordingListener{}
	dispatcher.Register(listener)
	registerConversationMaintenanceJobsWithNow(wp, db, func() time.Time { return now }, dispatcher)

	account := createTestAccount(t, db)
	inbox := createTestInbox(t, db, account.ID, "sms")
	contact := createTestContact(t, db, account.ID)
	dueCampaign := createTestOneoffCampaign(t, db, account.ID, inbox.ID, contact.ID, now.Add(-time.Hour))
	if _, err := wp.Enqueue(context.Background(), TaskTypeCampaignTriggerOneoff, campaignTriggerOneoffJob{CampaignID: dueCampaign.ID}, worker.WithQueue("low")); err != nil {
		t.Fatalf("enqueue campaign: %v", err)
	}
	processRequiredJob(t, wp, "campaign realtime dispatch")

	conversationEvents := listener.eventsByType(channel.EventConversationCreated)
	if len(conversationEvents) != 1 {
		t.Fatalf("expected one conversation.created event, got %#v", listener.events)
	}
	conversationEvent := conversationEvents[0]
	if conversationEvent.AccountID != account.ID || conversationEvent.InboxID != inbox.ID || conversationEvent.ContactID != contact.ID || conversationEvent.Data["campaign_id"] != dueCampaign.ID {
		t.Fatalf("unexpected conversation.created campaign event: %#v", conversationEvent)
	}
	if _, ok := conversationEvent.Data["conversation"].(*model.Conversation); !ok {
		t.Fatalf("expected conversation payload, got %#v", conversationEvent.Data["conversation"])
	}

	messageEvents := listener.eventsByType(channel.EventMessageCreated)
	if len(messageEvents) != 1 {
		t.Fatalf("expected one message.created event, got %#v", listener.events)
	}
	messageEvent := messageEvents[0]
	message, ok := messageEvent.Data["message"].(*model.Message)
	if !ok || message.Content != dueCampaign.Message || message.MessageType != "outgoing" {
		t.Fatalf("unexpected message.created payload: %#v", messageEvent.Data["message"])
	}
	if len(listener.eventsByType(channel.EventConversationOpened)) != 1 || len(listener.eventsByType(channel.EventMessageOutgoing)) != 1 {
		t.Fatalf("expected opened and outgoing campaign events, got %#v", listener.events)
	}
}

func TestConversationMaintenanceJobsStatusMaintenanceQueuesSearchIndex(t *testing.T) {
	now := time.Date(2026, 6, 5, 20, 30, 0, 0, time.UTC)
	db := setupServiceTestDB(t)
	wp := worker.NewWorkerPoolWithOptions(db, worker.WithNow(func() time.Time { return now }))
	registerConversationMaintenanceJobsWithNow(wp, db, func() time.Time { return now })
	delegate := &recordingDurableSearchIndexer{}
	searchIndexer := NewDurableSearchIndexer(db, wp, delegate)
	RegisterConversationMaintenanceSearchIndexer(wp, db, searchIndexer)

	account := createTestAccount(t, db)
	account.AutoResolveDuration = 30
	if err := db.Save(account).Error; err != nil {
		t.Fatalf("save auto resolve account: %v", err)
	}
	inbox := createTestInbox(t, db, account.ID, "web_widget")
	contact := createTestContact(t, db, account.ID)
	snoozed := createTestConversation(t, db, account.ID, inbox.ID, contact.ID)
	if err := db.Model(snoozed).Updates(map[string]any{"status": string(model.ConversationStatusSnoozed), "snoozed_until": now.Add(-time.Minute).Unix()}).Error; err != nil {
		t.Fatalf("snooze conversation: %v", err)
	}
	oldOpen := createTestConversation(t, db, account.ID, inbox.ID, contact.ID)
	if err := db.Model(oldOpen).Update("last_activity_at", now.Add(-45*time.Minute).Unix()).Error; err != nil {
		t.Fatalf("set old activity: %v", err)
	}

	if _, err := wp.Enqueue(context.Background(), TaskTypeConversationReopenSnoozed, nil, worker.WithQueue("low")); err != nil {
		t.Fatalf("enqueue reopen: %v", err)
	}
	processRequiredJob(t, wp, "reopen with index")
	processRequiredJob(t, wp, "reopen search index")
	assertIndexedConversationStatus(t, delegate, snoozed.ID, string(model.ConversationStatusOpen))

	if _, err := wp.Enqueue(context.Background(), TaskTypeConversationResolutionForAccount, conversationResolutionJob{AccountID: account.ID}, worker.WithQueue("low")); err != nil {
		t.Fatalf("enqueue resolution: %v", err)
	}
	processRequiredJob(t, wp, "resolution with index")
	processRequiredJob(t, wp, "resolution search index")
	assertIndexedConversationStatus(t, delegate, oldOpen.ID, string(model.ConversationStatusResolved))
}

func TestConversationMaintenanceJobsRetryMissingResolutionAccount(t *testing.T) {
	now := time.Date(2026, 6, 5, 21, 0, 0, 0, time.UTC)
	db := setupServiceTestDB(t)
	wp := worker.NewWorkerPoolWithOptions(db, worker.WithNow(func() time.Time { return now }), worker.WithBackoff(func(attempt int) time.Duration { return time.Minute }))
	registerConversationMaintenanceJobsWithNow(wp, db, func() time.Time { return now })

	if _, err := wp.Enqueue(context.Background(), TaskTypeConversationResolutionForAccount, conversationResolutionJob{AccountID: 9999}, worker.WithQueue("low"), worker.WithMaxAttempts(3)); err != nil {
		t.Fatalf("enqueue missing account: %v", err)
	}
	processed, err := wp.ProcessOne(context.Background())
	if err == nil || !processed {
		t.Fatalf("expected missing account to retry, processed=%v err=%v", processed, err)
	}
	var job model.BackgroundJob
	if err := db.Where("job_type = ?", TaskTypeConversationResolutionForAccount).First(&job).Error; err != nil {
		t.Fatalf("load resolution job: %v", err)
	}
	if job.Status != model.BackgroundJobStatusRetrying || job.LastError == "" {
		t.Fatalf("expected retrying resolution job with error, got status=%s last_error=%q", job.Status, job.LastError)
	}
}

func TestConversationMaintenanceJobsUpdateMessageStatus(t *testing.T) {
	now := time.Date(2026, 6, 5, 22, 0, 0, 0, time.UTC)
	db := setupServiceTestDB(t)
	wp := worker.NewWorkerPoolWithOptions(db, worker.WithNow(func() time.Time { return now }))
	registerConversationMaintenanceJobsWithNow(wp, db, func() time.Time { return now })

	account := createTestAccount(t, db)
	inbox := createTestInbox(t, db, account.ID, "web_widget")
	contact := createTestContact(t, db, account.ID)
	conversation := createTestConversation(t, db, account.ID, inbox.ID, contact.ID)
	cutoff := now.Add(-time.Minute)

	beforeSent := createConversationMaintenanceMessage(t, db, account.ID, inbox.ID, conversation.ID, "outgoing", string(model.MessageStatusSent), cutoff.Add(-time.Minute))
	beforeDelivered := createConversationMaintenanceMessage(t, db, account.ID, inbox.ID, conversation.ID, "outgoing", string(model.MessageStatusDelivered), cutoff.Add(-30*time.Second))
	incoming := createConversationMaintenanceMessage(t, db, account.ID, inbox.ID, conversation.ID, "incoming", string(model.MessageStatusSent), cutoff.Add(-time.Minute))
	alreadyRead := createConversationMaintenanceMessage(t, db, account.ID, inbox.ID, conversation.ID, "outgoing", string(model.MessageStatusRead), cutoff.Add(-time.Minute))
	afterCutoff := createConversationMaintenanceMessage(t, db, account.ID, inbox.ID, conversation.ID, "outgoing", string(model.MessageStatusSent), cutoff.Add(time.Minute))

	if _, err := EnqueueConversationMessageStatusUpdate(context.Background(), wp, conversation.ID, cutoff, string(model.MessageStatusRead)); err != nil {
		t.Fatalf("enqueue message status update: %v", err)
	}
	assertJobCount(t, db, TaskTypeConversationUpdateMessageStatus, 1)
	var queued model.BackgroundJob
	if err := db.Where("job_type = ?", TaskTypeConversationUpdateMessageStatus).First(&queued).Error; err != nil {
		t.Fatalf("load queued message status job: %v", err)
	}
	if queued.Queue != "deferred" {
		t.Fatalf("expected deferred queue, got %s", queued.Queue)
	}

	processRequiredJob(t, wp, "message status")

	assertMessageStatus(t, db, beforeSent.ID, string(model.MessageStatusRead))
	assertMessageStatus(t, db, beforeDelivered.ID, string(model.MessageStatusRead))
	assertMessageStatus(t, db, incoming.ID, string(model.MessageStatusSent))
	assertMessageStatus(t, db, alreadyRead.ID, string(model.MessageStatusRead))
	assertMessageStatus(t, db, afterCutoff.ID, string(model.MessageStatusSent))
}

func TestConversationMaintenanceJobsUpdateMessageStatusQueuesSearchIndex(t *testing.T) {
	now := time.Date(2026, 6, 5, 22, 15, 0, 0, time.UTC)
	db := setupServiceTestDB(t)
	wp := worker.NewWorkerPoolWithOptions(db, worker.WithNow(func() time.Time { return now }))
	registerConversationMaintenanceJobsWithNow(wp, db, func() time.Time { return now })
	delegate := &recordingDurableSearchIndexer{}
	searchIndexer := NewDurableSearchIndexer(db, wp, delegate)
	RegisterConversationMaintenanceSearchIndexer(wp, db, searchIndexer)

	account := createTestAccount(t, db)
	inbox := createTestInbox(t, db, account.ID, "web_widget")
	contact := createTestContact(t, db, account.ID)
	conversation := createTestConversation(t, db, account.ID, inbox.ID, contact.ID)
	cutoff := now.Add(-time.Minute)
	message := createConversationMaintenanceMessage(t, db, account.ID, inbox.ID, conversation.ID, "outgoing", string(model.MessageStatusSent), cutoff.Add(-time.Minute))

	if _, err := EnqueueConversationMessageStatusUpdate(context.Background(), wp, conversation.ID, cutoff, string(model.MessageStatusRead)); err != nil {
		t.Fatalf("enqueue message status update: %v", err)
	}
	processRequiredJob(t, wp, "message status with index")
	processRequiredJob(t, wp, "message search index")
	processRequiredJob(t, wp, "conversation search index")

	if len(delegate.indexedMessages) != 1 || delegate.indexedMessages[0].ID != message.ID || delegate.indexedMessages[0].Status != string(model.MessageStatusRead) {
		t.Fatalf("expected indexed read message, got %#v", delegate.indexedMessages)
	}
	assertIndexedConversationStatus(t, delegate, conversation.ID, string(model.ConversationStatusOpen))
}

func TestConversationMaintenanceJobsIgnoreInvalidMessageStatus(t *testing.T) {
	now := time.Date(2026, 6, 5, 22, 30, 0, 0, time.UTC)
	db := setupServiceTestDB(t)
	wp := worker.NewWorkerPoolWithOptions(db, worker.WithNow(func() time.Time { return now }))
	registerConversationMaintenanceJobsWithNow(wp, db, func() time.Time { return now })

	account := createTestAccount(t, db)
	inbox := createTestInbox(t, db, account.ID, "web_widget")
	contact := createTestContact(t, db, account.ID)
	conversation := createTestConversation(t, db, account.ID, inbox.ID, contact.ID)
	message := createConversationMaintenanceMessage(t, db, account.ID, inbox.ID, conversation.ID, "outgoing", string(model.MessageStatusSent), now.Add(-time.Minute))

	if _, err := wp.Enqueue(context.Background(), TaskTypeConversationUpdateMessageStatus, conversationUpdateMessageStatusJob{ConversationID: conversation.ID, Timestamp: now.Unix(), Status: "failed"}, worker.WithQueue("deferred")); err != nil {
		t.Fatalf("enqueue invalid status job: %v", err)
	}
	processRequiredJob(t, wp, "invalid message status")
	assertMessageStatus(t, db, message.ID, string(model.MessageStatusSent))
}

func TestConversationMaintenanceJobsConversationBulkAction(t *testing.T) {
	now := time.Date(2026, 6, 5, 23, 0, 0, 0, time.UTC)
	db := setupServiceTestDB(t)
	wp := worker.NewWorkerPoolWithOptions(db, worker.WithNow(func() time.Time { return now }))
	registerConversationMaintenanceJobsWithNow(wp, db, func() time.Time { return now })

	account := createTestAccount(t, db)
	otherAccount := createTestAccount(t, db)
	inbox := createTestInbox(t, db, account.ID, "web_widget")
	contact := createTestContact(t, db, account.ID)
	convA := createTestConversation(t, db, account.ID, inbox.ID, contact.ID)
	convB := createTestConversation(t, db, account.ID, inbox.ID, contact.ID)
	otherConv := createTestConversation(t, db, otherAccount.ID, inbox.ID, contact.ID)
	displayA := uint(101)
	displayB := uint(102)
	sharedOtherDisplay := displayA
	if err := db.Model(convA).Updates(map[string]any{"display_id": displayA, "labels": "vip,old"}).Error; err != nil {
		t.Fatalf("set display A: %v", err)
	}
	if err := db.Model(convB).Updates(map[string]any{"display_id": displayB, "labels": "old"}).Error; err != nil {
		t.Fatalf("set display B: %v", err)
	}
	if err := db.Model(otherConv).Updates(map[string]any{"display_id": sharedOtherDisplay, "labels": "other"}).Error; err != nil {
		t.Fatalf("set display other: %v", err)
	}
	status := string(model.ConversationStatusSnoozed)
	teamID := uint(77)
	assigneeID := uint(88)
	snoozedUntil := now.Add(time.Hour).Format(time.RFC3339)

	_, err := EnqueueConversationBulkAction(context.Background(), wp, account.ID, 42, ConversationBulkActionParams{
		Type: "Conversation",
		IDs:  []uint{displayA, displayB},
		Fields: ConversationBulkActionFields{
			Status:     &status,
			TeamID:     &teamID,
			AssigneeID: &assigneeID,
		},
		Labels:       ConversationBulkActionLabels{Add: []string{"urgent", "vip"}, Remove: []string{"old"}},
		SnoozedUntil: snoozedUntil,
	})
	if err != nil {
		t.Fatalf("enqueue bulk action: %v", err)
	}
	assertJobCount(t, db, TaskTypeConversationBulkAction, 1)
	var queued model.BackgroundJob
	if err := db.Where("job_type = ?", TaskTypeConversationBulkAction).First(&queued).Error; err != nil {
		t.Fatalf("load bulk action job: %v", err)
	}
	if queued.Queue != "medium" {
		t.Fatalf("expected medium queue, got %s", queued.Queue)
	}

	processRequiredJob(t, wp, "conversation bulk action")

	for _, id := range []uint{convA.ID, convB.ID} {
		var conversation model.Conversation
		if err := db.First(&conversation, id).Error; err != nil {
			t.Fatalf("load conversation %d: %v", id, err)
		}
		if conversation.Status != status || conversation.TeamID == nil || *conversation.TeamID != teamID || conversation.AssigneeID == nil || *conversation.AssigneeID != assigneeID {
			t.Fatalf("conversation %d not bulk updated: status=%s team=%v assignee=%v", id, conversation.Status, conversation.TeamID, conversation.AssigneeID)
		}
		if conversation.SnoozedUntil == nil || *conversation.SnoozedUntil != now.Add(time.Hour).Unix() {
			t.Fatalf("conversation %d snoozed_until not updated: %v", id, conversation.SnoozedUntil)
		}
		if strings.Contains(conversation.Labels, "old") || !strings.Contains(conversation.Labels, "urgent") || !strings.Contains(conversation.Labels, "vip") {
			t.Fatalf("conversation %d labels not merged, got %q", id, conversation.Labels)
		}
	}

	var untouched model.Conversation
	if err := db.First(&untouched, otherConv.ID).Error; err != nil {
		t.Fatalf("load other conversation: %v", err)
	}
	if untouched.Labels != "other" || untouched.Status != string(model.ConversationStatusOpen) {
		t.Fatalf("other account conversation should not change: status=%s labels=%s", untouched.Status, untouched.Labels)
	}
}

func TestConversationMaintenanceJobsConversationBulkActionQueuesSearchIndex(t *testing.T) {
	now := time.Date(2026, 6, 6, 0, 20, 0, 0, time.UTC)
	db := setupServiceTestDB(t)
	wp := worker.NewWorkerPoolWithOptions(db, worker.WithNow(func() time.Time { return now }))
	registerConversationMaintenanceJobsWithNow(wp, db, func() time.Time { return now })
	delegate := &recordingDurableSearchIndexer{}
	searchIndexer := NewDurableSearchIndexer(db, wp, delegate)
	RegisterBulkActionSearchIndexer(wp, db, searchIndexer)

	account := createTestAccount(t, db)
	inbox := createTestInbox(t, db, account.ID, "web_widget")
	contact := createTestContact(t, db, account.ID)
	conversation := createTestConversation(t, db, account.ID, inbox.ID, contact.ID)
	displayID := uint(501)
	if err := db.Model(conversation).Updates(map[string]any{"display_id": displayID, "labels": "old"}).Error; err != nil {
		t.Fatalf("set display id: %v", err)
	}
	status := string(model.ConversationStatusResolved)

	_, err := EnqueueConversationBulkAction(context.Background(), wp, account.ID, 42, ConversationBulkActionParams{
		Type:   "Conversation",
		IDs:    []uint{displayID},
		Fields: ConversationBulkActionFields{Status: &status},
		Labels: ConversationBulkActionLabels{Add: []string{"urgent"}, Remove: []string{"old"}},
	})
	if err != nil {
		t.Fatalf("enqueue conversation bulk action: %v", err)
	}
	processRequiredJob(t, wp, "conversation bulk action")
	processRequiredJob(t, wp, "conversation search index")

	if len(delegate.indexedConversations) != 1 {
		t.Fatalf("expected one indexed conversation, got %#v", delegate.indexedConversations)
	}
	indexed := delegate.indexedConversations[0]
	if indexed.ID != conversation.ID || indexed.Status != status || indexed.Labels != "urgent" {
		t.Fatalf("expected indexed updated conversation, got id=%d status=%s labels=%q", indexed.ID, indexed.Status, indexed.Labels)
	}
	if indexed.Contact == nil || indexed.Inbox == nil {
		t.Fatalf("expected indexed conversation relations, got contact=%#v inbox=%#v", indexed.Contact, indexed.Inbox)
	}

	var bulkJob model.BackgroundJob
	if err := db.Where("job_type = ?", TaskTypeConversationBulkAction).First(&bulkJob).Error; err != nil {
		t.Fatalf("load completed conversation bulk action job: %v", err)
	}
	if bulkJob.Status != model.BackgroundJobStatusCompleted || bulkJob.FinishedAt == nil || bulkJob.LastError != "" {
		t.Fatalf("expected completed conversation bulk action job, got status=%s finished=%v last_error=%q", bulkJob.Status, bulkJob.FinishedAt, bulkJob.LastError)
	}
}

func TestConversationMaintenanceJobsContactBulkAction(t *testing.T) {
	now := time.Date(2026, 6, 6, 0, 0, 0, 0, time.UTC)
	db := setupServiceTestDB(t)
	wp := worker.NewWorkerPoolWithOptions(db, worker.WithNow(func() time.Time { return now }))
	registerConversationMaintenanceJobsWithNow(wp, db, func() time.Time { return now })

	account := createTestAccount(t, db)
	otherAccount := createTestAccount(t, db)
	contactA := createTestContact(t, db, account.ID)
	contactB := createTestContact(t, db, account.ID)
	otherContact := createTestContact(t, db, otherAccount.ID)
	oldTag := model.Tag{AccountID: account.ID, Name: "old"}
	if err := db.Create(&oldTag).Error; err != nil {
		t.Fatalf("create old tag: %v", err)
	}
	if err := db.Create(&model.ContactLabel{AccountID: account.ID, ContactID: contactA.ID, TagID: oldTag.ID}).Error; err != nil {
		t.Fatalf("label contact A: %v", err)
	}
	if err := db.Create(&model.ContactLabel{AccountID: account.ID, ContactID: contactB.ID, TagID: oldTag.ID}).Error; err != nil {
		t.Fatalf("label contact B: %v", err)
	}

	_, err := EnqueueContactBulkAction(context.Background(), wp, account.ID, 42, ContactBulkActionParams{
		Type:   "Contact",
		IDs:    []uint{contactA.ID, contactB.ID, otherContact.ID},
		Labels: ConversationBulkActionLabels{Add: []string{"vip", "vip"}},
	})
	if err != nil {
		t.Fatalf("enqueue contact label add: %v", err)
	}
	assertJobCount(t, db, TaskTypeContactBulkAction, 1)
	processRequiredJob(t, wp, "contact bulk add labels")
	assertContactHasLabel(t, db, account.ID, contactA.ID, "vip", true)
	assertContactHasLabel(t, db, account.ID, contactB.ID, "vip", true)
	assertContactHasLabel(t, db, otherAccount.ID, otherContact.ID, "vip", false)

	_, err = EnqueueContactBulkAction(context.Background(), wp, account.ID, 42, ContactBulkActionParams{
		Type:   "Contact",
		IDs:    []uint{contactA.ID, contactB.ID},
		Labels: ConversationBulkActionLabels{Remove: []string{"old"}},
	})
	if err != nil {
		t.Fatalf("enqueue contact label remove: %v", err)
	}
	processRequiredJob(t, wp, "contact bulk remove labels")
	assertContactHasLabel(t, db, account.ID, contactA.ID, "old", false)
	assertContactHasLabel(t, db, account.ID, contactB.ID, "old", false)
	assertContactHasLabel(t, db, account.ID, contactA.ID, "vip", true)

	_, err = EnqueueContactBulkAction(context.Background(), wp, account.ID, 42, ContactBulkActionParams{
		Type:       "Contact",
		ActionName: "delete",
		IDs:        []uint{contactA.ID, otherContact.ID},
	})
	if err != nil {
		t.Fatalf("enqueue contact delete: %v", err)
	}
	processRequiredJob(t, wp, "contact bulk delete")

	var deleted model.Contact
	if err := db.First(&deleted, contactA.ID).Error; err == nil {
		t.Fatalf("expected account contact to be soft deleted")
	}
	var untouched model.Contact
	if err := db.First(&untouched, otherContact.ID).Error; err != nil {
		t.Fatalf("other account contact should remain visible: %v", err)
	}
}

func TestConversationMaintenanceJobsContactBulkActionQueuesSearchIndexAndCompletes(t *testing.T) {
	now := time.Date(2026, 6, 6, 0, 40, 0, 0, time.UTC)
	db := setupServiceTestDB(t)
	wp := worker.NewWorkerPoolWithOptions(db, worker.WithNow(func() time.Time { return now }))
	registerConversationMaintenanceJobsWithNow(wp, db, func() time.Time { return now })
	delegate := &recordingDurableSearchIndexer{}
	searchIndexer := NewDurableSearchIndexer(db, wp, delegate)
	RegisterContactBulkActionSearchIndexer(wp, db, searchIndexer)

	account := createTestAccount(t, db)
	contact := createTestContact(t, db, account.ID)
	if _, err := EnqueueContactBulkAction(context.Background(), wp, account.ID, 42, ContactBulkActionParams{
		Type:   "Contact",
		IDs:    []uint{contact.ID},
		Labels: ConversationBulkActionLabels{Add: []string{"vip"}},
	}); err != nil {
		t.Fatalf("enqueue contact bulk action: %v", err)
	}
	processRequiredJob(t, wp, "contact bulk add labels")
	processRequiredJob(t, wp, "contact search index")

	if len(delegate.indexedContacts) != 1 || delegate.indexedContacts[0] != contact.ID {
		t.Fatalf("expected indexed contact %d, got %#v", contact.ID, delegate.indexedContacts)
	}
	assertContactHasLabel(t, db, account.ID, contact.ID, "vip", true)

	var bulkJob model.BackgroundJob
	if err := db.Where("job_type = ?", TaskTypeContactBulkAction).First(&bulkJob).Error; err != nil {
		t.Fatalf("load completed contact bulk action job: %v", err)
	}
	if bulkJob.Status != model.BackgroundJobStatusCompleted || bulkJob.FinishedAt == nil || bulkJob.LastError != "" {
		t.Fatalf("expected completed contact bulk action job, got status=%s finished=%v last_error=%q", bulkJob.Status, bulkJob.FinishedAt, bulkJob.LastError)
	}
}

func TestConversationMaintenanceJobsContactBulkActionQueuesSearchIndex(t *testing.T) {
	now := time.Date(2026, 6, 6, 0, 30, 0, 0, time.UTC)
	db := setupServiceTestDB(t)
	wp := worker.NewWorkerPoolWithOptions(db, worker.WithNow(func() time.Time { return now }))
	registerConversationMaintenanceJobsWithNow(wp, db, func() time.Time { return now })
	delegate := &recordingDurableSearchIndexer{}
	searchIndexer := NewDurableSearchIndexer(db, wp, delegate)
	RegisterContactBulkActionSearchIndexer(wp, db, searchIndexer)

	account := createTestAccount(t, db)
	contact := createTestContact(t, db, account.ID)

	_, err := EnqueueContactBulkAction(context.Background(), wp, account.ID, 42, ContactBulkActionParams{
		Type:   "Contact",
		IDs:    []uint{contact.ID},
		Labels: ConversationBulkActionLabels{Add: []string{"vip"}},
	})
	if err != nil {
		t.Fatalf("enqueue contact bulk action: %v", err)
	}
	processRequiredJob(t, wp, "contact bulk label add")
	processRequiredJob(t, wp, "contact search index")

	if got := delegate.indexedContactLabels[contact.ID]; len(got) != 1 || got[0] != "vip" {
		t.Fatalf("expected contact search reindex with vip label, got %#v", got)
	}

	_, err = EnqueueContactBulkAction(context.Background(), wp, account.ID, 42, ContactBulkActionParams{
		Type:       "Contact",
		ActionName: "delete",
		IDs:        []uint{contact.ID},
	})
	if err != nil {
		t.Fatalf("enqueue contact delete: %v", err)
	}
	processRequiredJob(t, wp, "contact bulk delete")
	processRequiredJob(t, wp, "contact search delete")

	if len(delegate.deletedContacts) != 1 || delegate.deletedContacts[0] != contact.ID {
		t.Fatalf("expected contact search delete, got %#v", delegate.deletedContacts)
	}
}

func createTestOneoffCampaign(t *testing.T, db *gorm.DB, accountID, inboxID, contactID uint, scheduledAt time.Time) *campaign.Campaign {
	t.Helper()
	c := &campaign.Campaign{
		AccountID:      accountID,
		InboxID:        inboxID,
		DisplayID:      uint(time.Now().UnixNano()),
		Title:          fmt.Sprintf("Campaign %d", time.Now().UnixNano()),
		Message:        fmt.Sprintf("Campaign message %d", time.Now().UnixNano()),
		CampaignStatus: campaign.CampaignStatusActive,
		CampaignType:   campaign.CampaignTypeOneOff,
		Audience:       fmt.Sprintf(`{"contact_ids":[%d]}`, contactID),
		TriggerRules:   `{}`,
		TemplateParams: `{}`,
		ScheduledAt:    &scheduledAt,
		Enabled:        true,
	}
	if err := db.Create(c).Error; err != nil {
		t.Fatalf("create campaign: %v", err)
	}
	return c
}

func createConversationMaintenanceMessage(t *testing.T, db *gorm.DB, accountID, inboxID, conversationID uint, messageType, status string, createdAt time.Time) *model.Message {
	t.Helper()
	message := &model.Message{
		AccountID:      accountID,
		InboxID:        inboxID,
		ConversationID: conversationID,
		Content:        fmt.Sprintf("%s %d", messageType, time.Now().UnixNano()),
		MessageType:    messageType,
		Status:         status,
	}
	message.CreatedAt = createdAt
	message.UpdatedAt = createdAt
	if err := db.Create(message).Error; err != nil {
		t.Fatalf("create message: %v", err)
	}
	return message
}

func assertContactHasLabel(t *testing.T, db *gorm.DB, accountID, contactID uint, label string, want bool) {
	t.Helper()
	var count int64
	if err := db.Table("contact_labels").
		Joins("JOIN tags ON tags.id = contact_labels.tag_id").
		Where("contact_labels.account_id = ? AND contact_labels.contact_id = ? AND tags.name = ?", accountID, contactID, label).
		Count(&count).Error; err != nil {
		t.Fatalf("count contact label %s: %v", label, err)
	}
	if got := count > 0; got != want {
		t.Fatalf("contact %d label %q presence = %v, want %v", contactID, label, got, want)
	}
}

func assertIndexedConversationStatus(t *testing.T, indexer *recordingDurableSearchIndexer, conversationID uint, status string) {
	t.Helper()
	for _, conversation := range indexer.indexedConversations {
		if conversation.ID == conversationID && conversation.Status == status {
			return
		}
	}
	t.Fatalf("expected indexed conversation %d with status %s, got %#v", conversationID, status, indexer.indexedConversations)
}

func assertMessageStatus(t *testing.T, db *gorm.DB, messageID uint, want string) {
	t.Helper()
	var message model.Message
	if err := db.First(&message, messageID).Error; err != nil {
		t.Fatalf("load message %d: %v", messageID, err)
	}
	if message.Status != want {
		t.Fatalf("expected message %d status %s, got %s", messageID, want, message.Status)
	}
}

func assertJobCount(t *testing.T, db *gorm.DB, jobType string, want int64) {
	t.Helper()
	var count int64
	if err := db.Model(&model.BackgroundJob{}).Where("job_type = ? AND status = ?", jobType, model.BackgroundJobStatusQueued).Count(&count).Error; err != nil {
		t.Fatalf("count jobs %s: %v", jobType, err)
	}
	if count != want {
		t.Fatalf("expected %d queued %s jobs, got %d", want, jobType, count)
	}
}

func processRequiredJob(t *testing.T, wp *worker.WorkerPool, name string) {
	t.Helper()
	processed, err := wp.ProcessOne(context.Background())
	if err != nil || !processed {
		t.Fatalf("process %s job: processed=%v err=%v", name, processed, err)
	}
}