package automation

import (
	"context"
	"testing"
	"time"

	"github.com/gochat/gochat/internal/model"
	"github.com/gochat/gochat/internal/worker"
)

func TestMacroService_Create(t *testing.T) {
	dbProvider := setupAutomationTestDBProvider(t)
	accountID, userID := seedTestAccount(dbProvider.DB(), t)
	svc := NewMacroService(dbProvider)

	macro := &Macro{
		AccountID: accountID,
		Name:      "Close and label",
		Actions: Actions{
			{ActionName: "resolve", ActionParams: map[string]interface{}{}},
			{ActionName: "add_label", ActionParams: map[string]interface{}{"labels": []string{"closed"}}},
		},
		Visibility:  MacroVisibilityGlobal,
		CreatedByID: userID,
		UpdatedByID: userID,
	}

	err := svc.Create(context.Background(), macro)
	if err != nil {
		t.Fatalf("expected no error creating macro, got: %v", err)
	}
	if macro.ID == 0 {
		t.Fatal("expected macro ID to be set after creation")
	}
}

func TestMacroService_GetByID(t *testing.T) {
	dbProvider := setupAutomationTestDBProvider(t)
	accountID, userID := seedTestAccount(dbProvider.DB(), t)
	svc := NewMacroService(dbProvider)

	macro := &Macro{
		AccountID:   accountID,
		Name:        "Test macro",
		Actions:     Actions{},
		Visibility:  MacroVisibilityGlobal,
		CreatedByID: userID,
		UpdatedByID: userID,
	}
	if err := svc.Create(context.Background(), macro); err != nil {
		t.Fatalf("setup: %v", err)
	}

	found, err := svc.GetByID(context.Background(), macro.ID)
	if err != nil {
		t.Fatalf("expected no error getting macro, got: %v", err)
	}
	if found.ID != macro.ID {
		t.Fatalf("expected macro ID %d, got %d", macro.ID, found.ID)
	}
	if found.Name != "Test macro" {
		t.Fatalf("expected name 'Test macro', got %q", found.Name)
	}
}

func TestMacroService_GetByID_NotFound(t *testing.T) {
	dbProvider := setupAutomationTestDBProvider(t)
	svc := NewMacroService(dbProvider)

	_, err := svc.GetByID(context.Background(), 9999)
	if err == nil {
		t.Fatal("expected error for non-existent macro, got nil")
	}
}

func TestMacroService_ListByAccount(t *testing.T) {
	dbProvider := setupAutomationTestDBProvider(t)
	accountID, userID := seedTestAccount(dbProvider.DB(), t)
	svc := NewMacroService(dbProvider)

	// Create global macro
	m1 := &Macro{
		AccountID: accountID, Name: "Global macro", Actions: Actions{},
		Visibility: MacroVisibilityGlobal, CreatedByID: userID, UpdatedByID: userID,
	}
	if err := svc.Create(context.Background(), m1); err != nil {
		t.Fatalf("setup: %v", err)
	}

	// Create personal macro owned by userID
	m2 := &Macro{
		AccountID: accountID, Name: "Personal macro (mine)", Actions: Actions{},
		Visibility: MacroVisibilityPersonal, CreatedByID: userID, UpdatedByID: userID,
	}
	if err := svc.Create(context.Background(), m2); err != nil {
		t.Fatalf("setup: %v", err)
	}

	macros, err := svc.ListByAccount(context.Background(), accountID, userID)
	if err != nil {
		t.Fatalf("expected no error listing macros, got: %v", err)
	}
	// Should see both global and personal (owned by this user)
	if len(macros) != 2 {
		t.Fatalf("expected 2 macros (global + personal-own), got %d", len(macros))
	}
}

func TestMacroService_ListByAccount_PersonalFiltering(t *testing.T) {
	dbProvider := setupAutomationTestDBProvider(t)
	accountID, userID := seedTestAccount(dbProvider.DB(), t)
	svc := NewMacroService(dbProvider)

	// Create a second user in the same account
	otherUser := &model.User{Name: "Other User", Email: "other@example.com"}
	db := dbProvider.DB()
	if err := db.Create(otherUser).Error; err != nil {
		t.Fatalf("setup: %v", err)
	}

	// Create personal macro owned by OTHER user (should NOT be visible to userID)
	m := &Macro{
		AccountID: accountID, Name: "Someone else's macro", Actions: Actions{},
		Visibility: MacroVisibilityPersonal, CreatedByID: otherUser.ID, UpdatedByID: otherUser.ID,
	}
	if err := svc.Create(context.Background(), m); err != nil {
		t.Fatalf("setup: %v", err)
	}

	// userID should not see other user's personal macro
	macros, err := svc.ListByAccount(context.Background(), accountID, userID)
	if err != nil {
		t.Fatalf("expected no error, got: %v", err)
	}
	for _, mc := range macros {
		if mc.Visibility == MacroVisibilityPersonal && mc.CreatedByID != userID {
			t.Fatalf("should not see other user's personal macro: %q (created_by_id=%d)", mc.Name, mc.CreatedByID)
		}
	}
}

func TestMacroService_Update(t *testing.T) {
	dbProvider := setupAutomationTestDBProvider(t)
	accountID, userID := seedTestAccount(dbProvider.DB(), t)
	svc := NewMacroService(dbProvider)

	macro := &Macro{
		AccountID: accountID, Name: "Original", Actions: Actions{},
		Visibility: MacroVisibilityPersonal, CreatedByID: userID, UpdatedByID: userID,
	}
	if err := svc.Create(context.Background(), macro); err != nil {
		t.Fatalf("setup: %v", err)
	}

	macro.Name = "Updated"
	macro.Visibility = MacroVisibilityGlobal
	err := svc.Update(context.Background(), macro)
	if err != nil {
		t.Fatalf("expected no error updating macro, got: %v", err)
	}

	found, _ := svc.GetByID(context.Background(), macro.ID)
	if found.Name != "Updated" {
		t.Fatalf("expected name 'Updated', got %q", found.Name)
	}
	if found.Visibility != MacroVisibilityGlobal {
		t.Fatal("expected visibility to be global after update")
	}
}

func TestMacroService_Delete(t *testing.T) {
	dbProvider := setupAutomationTestDBProvider(t)
	accountID, userID := seedTestAccount(dbProvider.DB(), t)
	svc := NewMacroService(dbProvider)

	macro := &Macro{
		AccountID: accountID, Name: "Delete me", Actions: Actions{},
		Visibility: MacroVisibilityGlobal, CreatedByID: userID, UpdatedByID: userID,
	}
	if err := svc.Create(context.Background(), macro); err != nil {
		t.Fatalf("setup: %v", err)
	}

	err := svc.Delete(context.Background(), macro.ID)
	if err != nil {
		t.Fatalf("expected no error deleting macro, got: %v", err)
	}

	_, err = svc.GetByID(context.Background(), macro.ID)
	if err == nil {
		t.Fatal("expected error getting deleted macro, got nil")
	}
}

func TestMacroService_ExecuteForDisplayIDsQueuesDurableMacroJob(t *testing.T) {
	dbProvider := setupAutomationTestDBProvider(t)
	db := dbProvider.DB()
	accountID, userID := seedTestAccount(db, t)
	inboxID := seedTestInbox(db, t, accountID)
	contactID := seedTestContact(db, t, accountID)
	displayID := uint(616)
	conversationID := seedTestConversationWithDetails(db, t, accountID, inboxID, contactID, "open", "low", "web", 0)
	if err := db.Model(&model.Conversation{}).Where("id = ?", conversationID).Update("display_id", displayID).Error; err != nil {
		t.Fatalf("set display id: %v", err)
	}
	macro := &Macro{
		AccountID: accountID,
		Name:      "durable macro",
		Actions: Actions{
			{ActionName: "add_label", ActionParams: map[string]interface{}{"labels": []string{"durable"}}},
			{ActionName: "change_status", ActionParams: map[string]interface{}{"status": "resolved"}},
		},
		Visibility:  MacroVisibilityGlobal,
		CreatedByID: userID,
		UpdatedByID: userID,
	}
	if err := NewMacroService(dbProvider).Create(context.Background(), macro); err != nil {
		t.Fatalf("create macro: %v", err)
	}
	wp := worker.NewWorkerPoolWithOptions(db, worker.WithNow(func() time.Time { return time.Date(2026, 6, 5, 13, 15, 0, 0, time.UTC) }))
	svc := NewMacroServiceWithWorker(dbProvider, wp)

	if err := svc.ExecuteForDisplayIDs(context.Background(), accountID, macro.ID, []uint{displayID}, userID); err != nil {
		t.Fatalf("queue macro execution: %v", err)
	}
	var before model.Conversation
	if err := db.First(&before, conversationID).Error; err != nil {
		t.Fatalf("load conversation before worker: %v", err)
	}
	if before.Status != "open" {
		t.Fatalf("macro should not run synchronously, status=%s", before.Status)
	}

	var count int64
	if err := db.Model(&model.BackgroundJob{}).Where("job_type = ? AND queue = ? AND status = ?", TaskTypeMacroExecution, "medium", model.BackgroundJobStatusQueued).Count(&count).Error; err != nil {
		t.Fatalf("count macro jobs: %v", err)
	}
	if count != 1 {
		t.Fatalf("expected one queued macro job, got %d", count)
	}
	processed, err := wp.ProcessOne(context.Background())
	if err != nil || !processed {
		t.Fatalf("process macro job: processed=%v err=%v", processed, err)
	}

	var after model.Conversation
	if err := db.First(&after, conversationID).Error; err != nil {
		t.Fatalf("load conversation after worker: %v", err)
	}
	if after.Status != "resolved" {
		t.Fatalf("expected macro job to resolve conversation, got %s", after.Status)
	}
	var label ConversationLabel
	if err := db.Where("conversation_id = ? AND label = ?", conversationID, "durable").First(&label).Error; err != nil {
		t.Fatalf("expected macro job to add label: %v", err)
	}
}

func TestMacroService_ExecuteForDisplayIDsCreatesAttachmentMessages(t *testing.T) {
	dbProvider := setupAutomationTestDBProvider(t)
	db := dbProvider.DB()
	accountID, userID := seedTestAccount(db, t)
	inboxID := seedTestInbox(db, t, accountID)
	contactID := seedTestContact(db, t, accountID)
	displayID := uint(717)
	conversationID := seedTestConversationWithDetails(db, t, accountID, inboxID, contactID, "open", "low", "web", 0)
	if err := db.Model(&model.Conversation{}).Where("id = ?", conversationID).Update("display_id", displayID).Error; err != nil {
		t.Fatalf("set display id: %v", err)
	}
	upload := &model.DirectUpload{UploadUUID: "macro-exec-upload", AccountID: accountID, Status: model.DirectUploadStatusPending, Source: model.DirectUploadSourceAccount, OriginalName: "macro.pdf", FileType: "file", MimeType: "application/pdf", FileSize: 456, FileURL: "/uploads/account/1/macro.pdf"}
	if err := db.Create(upload).Error; err != nil {
		t.Fatalf("create upload: %v", err)
	}
	macro := &Macro{AccountID: accountID, Name: "file macro", Actions: Actions{{ActionName: "send_attachment", ActionParams: map[string]interface{}{"blob_id": "macro-exec-upload"}}}, Visibility: MacroVisibilityGlobal, CreatedByID: userID, UpdatedByID: userID}
	svc := NewMacroService(dbProvider)
	if err := svc.Create(context.Background(), macro); err != nil {
		t.Fatalf("create macro: %v", err)
	}

	if err := svc.ExecuteForDisplayIDs(context.Background(), accountID, macro.ID, []uint{displayID}, userID); err != nil {
		t.Fatalf("execute macro: %v", err)
	}

	var message model.Message
	if err := db.Where("conversation_id = ? AND content_type = ?", conversationID, "file").First(&message).Error; err != nil {
		t.Fatalf("expected file message: %v", err)
	}
	if message.SenderID == nil || *message.SenderID != userID {
		t.Fatalf("expected macro sender %d, got %#v", userID, message.SenderID)
	}
	var attachment model.Attachment
	if err := db.Where("message_id = ?", message.ID).First(&attachment).Error; err != nil {
		t.Fatalf("expected attachment: %v", err)
	}
	if attachment.FileURL != upload.FileURL || attachment.FileName != upload.OriginalName {
		t.Fatalf("unexpected attachment: %#v", attachment)
	}
}