import type { CpNode } from '../cp-node/cp-node.js';
import { getAllOnLoop } from '../cp-node/fs/get-all-on-loop.js';
import { getRealProngCount } from '../cp-node/fs/get-real-prong-count.js';


function getLargest3Prong(
        cpNode: CpNode) {

    const cpNodes = getAllOnLoop(cpNode)
        .filter(cpNode => getRealProngCount(cpNode) >= 3);

    if (cpNodes.length === 0) { return undefined; }

    return cpNodes.reduce(function(maxCpNode: CpNode, cpNode: CpNode) {
        return maxCpNode.pointOnShape.circle.radius >= cpNode.pointOnShape.circle.radius
            ? maxCpNode
            : cpNode
    }, cpNodes[0]);
}


export { getLargest3Prong }