package cc.mrbird.febs.tree;

/**
 * @author wzy
 * @date 2022-08-23
 **/
public class MatrixTree {

    // 节点数量
    private int count = 0;
    private MemberNode root;

    public MatrixTree() {}

    public MatrixTree(MemberNode root) {
        count = 1;
        this.root = root;
    }

    public int getCount() {
        return count;
    }

    /**
     * 查找整个树下对应节点
     * @param param memberId/address/inviteId
     * @return
     */
    public MemberNode getNode(Object param) {
        return getNode(root, param);
    }

    /**
     * 查找某节点下的对应节点
     *
     * @param node 某节点
     * @param param memberId/address/inviteId
     * @return
     */
    public MemberNode getNode(MemberNode node, Object param) {
        if (node == null) {
            return null;
        }

        if (node.getMemberId().equals(param) || node.getAddress().equals(param) || node.getInviteId().equals(param)) {
            return node;
        }

        MemberNode leftNode = getNode(node.getLeft(), param);
        if (leftNode != null) {
            return leftNode;
        }

        return getNode(node.getRight(), param);
    }
}