package service

import "knowledge-graph-backend/internal/model"

type GraphService interface {
	GetGraphData() model.GraphData
	GetSimpleGraphData() model.SimpleGraphData
	GetNodeByID(id string) (model.Node, bool)
	SearchNodes(query string) []model.Node
	GetNeighbors(nodeID string) (model.NeighborResponse, bool)
	GetStats() map[string]int

	// 新增增删改接口
	CreateNode(req model.CreateNodeRequest) (model.Node, error)
	UpdateNode(id string, req model.UpdateNodeRequest) (model.Node, error)
	DeleteNode(id string) error

	CreateEdge(req model.CreateEdgeRequest) (model.Edge, error)
	DeleteEdge(id string) error
}