"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.read = exports.write = void 0;
var _1 = __importDefault(require("."));
/**
 * @description Convert a graph's node to JSON.
 * @description.zh-CN 转换图的节点为 JSON。
 * @param graph
 * @returns
 */
var nodeToJSON = function (graph) {
    return graph.nodes().map(function (n) {
        var value = graph.node(n);
        var parent = graph.parent(n);
        var node = {
            id: n,
            value: value,
            parent: parent,
        };
        if (node.value === undefined) {
            delete node.value;
        }
        if (node.parent === undefined) {
            delete node.parent;
        }
        return node;
    });
};
/**
 * @description Convert all graph's edges to JSON.
 * @description.zh-CN 转换图的所有边为 JSON。
 * @param graph
 * @returns
 */
var edgeToJSON = function (graph) {
    return graph.edges().map(function (edge) {
        var value = graph.edge(edge);
        var e = {
            v: edge.v,
            w: edge.w,
            value: value,
            name: edge.name,
        };
        if (e.name === undefined) {
            delete e.name;
        }
        if (e.value === undefined) {
            delete e.value;
        }
        return e;
    });
};
/**
 * @description Convert a graph to JSON.
 * @description.zh-CN 转换图为 JSON。
 * @param graph
 * @returns
 */
var write = function (graph) {
    var json = {
        options: {
            directed: graph.isDirected(),
            multigraph: graph.isMultigraph(),
            compound: graph.isCompound(),
        },
        nodes: nodeToJSON(graph),
        edges: edgeToJSON(graph),
        value: graph.graph(),
    };
    if (json.value === undefined) {
        delete json.value;
    }
    return json;
};
exports.write = write;
/**
 * @description read a graph from JSON.
 * @description.zh-CN 从 JSON 读取图。
 * @param json
 * @returns
 */
var read = function (json) {
    var graph = new _1.default(json.options);
    if (json.value !== undefined) {
        graph.setGraph(json.value);
    }
    json.nodes.forEach(function (entry) {
        graph.setNode(entry.id, entry.value);
        if (entry.parent) {
            graph.setParent(entry.id, entry.parent);
        }
    });
    json.edges.forEach(function (entry) {
        graph.setEdge(entry.v, entry.w, entry.value, entry.name);
    });
    return graph;
};
exports.read = read;