package automation

import (
	"context"
	"testing"

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

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")
	}
}