export async function main(ns) {
    let queue = [];
    let visited = {};

    bft(ns);
}

function bft(ns) {
    let graph = {};
    let graphviz = ""
    let q = [...ns.scan(ns.getHostname())];
    let visited = {};
    let vertex;
    while (q.length > 0) {
        vertex = q.shift();
        // ns.tprint(q);
        if (!visited[vertex]) {
            visited[vertex] = true;
            graph[vertex] = ns.scan(vertex).map(item => {
                graphviz += `\n\t"${vertex}" -> "${item}"`
                return item
            });
            q = [...q, ...ns.scan(vertex)];
        }
    }

    graphviz = `digraph G{ \n${graphviz} \n}`

    ns.write("map.txt", `${JSON.stringify(graph)}`,"w");
    ns.write("graphviz.txt", graphviz ,"w");
}