package notifications

import (
	"context"

	"galo/internal/auth"
	"galo/internal/httpx"
	"galo/internal/models"
	"galo/internal/sse"
)

type Service struct {
	store Repository
	hub   *sse.Hub
}

func NewService(store Repository, hub *sse.Hub) *Service {
	return &Service{store: store, hub: hub}
}

func (s *Service) Create(ctx context.Context, userID, typ string, payload map[string]any) error {
	n := &models.Notification{
		ID:          auth.NewID(),
		UserID:      userID,
		Type:        typ,
		PayloadJSON: payload,
	}
	if err := s.store.Create(ctx, n); err != nil {
		return err
	}
	s.hub.PublishUser(userID, "notification", n)
	return nil
}

func (s *Service) List(ctx context.Context, userID string, limit int) ([]models.Notification, error) {
	return s.store.List(ctx, userID, limit)
}

func (s *Service) MarkRead(ctx context.Context, id, userID string) error {
	if err := s.store.MarkRead(ctx, id, userID); err != nil {
		return httpx.NotFound("notification_not_found", "notification not found")
	}
	return nil
}