package watermark

import (
	"context"

	"github.com/go-kratos/kratos/v2/log"
)

// CQRSHandler holds all Watermill event handlers.
type CQRSHandler struct {
	log *log.Helper
}

// NewCQRSHandler creates a new CQRSHandler.
func NewCQRSHandler(logger log.Logger) *CQRSHandler {
	return &CQRSHandler{log: log.NewHelper(logger)}
}

// OnFileUploaded handles the FileUploadedEvent.
func (h *CQRSHandler) OnFileUploaded(ctx context.Context, event *FileUploadedEvent) error {
	h.log.Infof("event: file uploaded, bucket=%s key=%s size=%d", event.BucketName, event.ObjectKey, event.Size)
	return nil
}

// OnFileDeleted handles the FileDeletedEvent.
func (h *CQRSHandler) OnFileDeleted(ctx context.Context, event *FileDeletedEvent) error {
	h.log.Infof("event: file deleted, bucket=%s key=%s", event.BucketName, event.ObjectKey)
	return nil
}

// OnFolderCreated handles the FolderCreatedEvent.
func (h *CQRSHandler) OnFolderCreated(ctx context.Context, event *FolderCreatedEvent) error {
	h.log.Infof("event: folder created, id=%s name=%s owner=%s", event.FolderID, event.Name, event.OwnerID)
	return nil
}

// OnFolderDeleted handles the FolderDeletedEvent.
func (h *CQRSHandler) OnFolderDeleted(ctx context.Context, event *FolderDeletedEvent) error {
	h.log.Infof("event: folder deleted, id=%s owner=%s", event.FolderID, event.OwnerID)
	return nil
}

// OnShareCreated handles the ShareCreatedEvent.
func (h *CQRSHandler) OnShareCreated(ctx context.Context, event *ShareCreatedEvent) error {
	h.log.Infof("event: share created, id=%s token=%s resource=%s/%s by=%s",
		event.ShareID, event.Token, event.ResourceType, event.ResourceID, event.CreatedBy)
	return nil
}

// OnShareDownloaded handles the ShareDownloadedEvent.
func (h *CQRSHandler) OnShareDownloaded(ctx context.Context, event *ShareDownloadedEvent) error {
	h.log.Infof("event: share downloaded, token=%s", event.Token)
	return nil
}