package folder

import (
	"context"

	"github.com/grafana/grafana/pkg/models"
	"github.com/grafana/grafana/pkg/services/user"
)

type Service interface {
	// GetChildren returns an array containing all child folders.
	GetChildren(ctx context.Context, cmd *GetChildrenQuery) ([]*Folder, error)
	Create(ctx context.Context, cmd *CreateFolderCommand) (*Folder, error)

	// GetFolder takes a GetFolderCommand and returns a folder matching the
	// request. One of ID, UID, or Title must be included. If multiple values
	// are included in the request, Grafana will select one in order of
	// specificity (ID, UID, Title).
	Get(ctx context.Context, cmd *GetFolderQuery) (*Folder, error)

	// Update is used to update a folder's UID, Title and Description. To change
	// a folder's parent folder, use Move.
	Update(ctx context.Context, user *user.SignedInUser, orgID int64, existingUid string, cmd *models.UpdateFolderCommand) (*Folder, error)
	DeleteFolder(ctx context.Context, cmd *DeleteFolderCommand) error
	MakeUserAdmin(ctx context.Context, orgID int64, userID, folderID int64, setViewAndEditPermissions bool) error
	// Move changes a folder's parent folder to the requested new parent.
	Move(ctx context.Context, cmd *MoveFolderCommand) (*Folder, error)
}

// NestedFolderService is the temporary interface definition for the folder
// Service which includes any new or alternate methods. These will be collapsed
// into a single service when the nested folder implementation is rolled out.
// Note that the commands in this service use models from this package, while
// the legacy FolderService uses models from the models package.
type NestedFolderService interface {
	// Create creates a new folder.
	Create(ctx context.Context, cmd *CreateFolderCommand) (*Folder, error)

	// Delete deletes a folder. This will return an error if there are any
	// dashboards in the folder.
	Delete(ctx context.Context, cmd *DeleteFolderCommand) (*Folder, error)

	// GetParents returns an ordered list of parent folders for the given
	// folder, starting with the root node and ending with the requested child
	// node.
	GetParents(ctx context.Context, cmd *GetParentsQuery) ([]*Folder, error)

	// GetChildren returns an array containing all child folders.
	GetChildren(ctx context.Context, cmd *GetChildrenQuery) ([]*Folder, error)
}