package com.ecp.bean;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import javax.annotation.PostConstruct;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.ManagedProperty;
import javax.faces.bean.SessionScoped;

import org.primefaces.model.DefaultTreeNode;
import org.primefaces.model.TreeNode;

import com.ecp.dto.MenuTree;
import com.ecp.services.MenuTreeServiceImpl;

@ManagedBean(name = "treeBean")
@SessionScoped
public class TreeBean implements Serializable {
    /**
     *
     */
    private static final long serialVersionUID = 1L;
    @ManagedProperty(value = "#{NodeService}")
    private TreeNode root;
    private TreeNode arbre;
    private TreeNode selectedNode;
    private MenuTreeServiceImpl helper = new MenuTreeServiceImpl();
    private List<MenuTree> nodeList = new ArrayList<MenuTree>();
    private static List<MenuTree> araListe;
    private List<MenuTree> subList;
    private long menuId;
    private String menuName;
    private Long parentMenuId;

    public MenuTreeServiceImpl getHelper() {
        return helper;
    }

    public void setHelper(MenuTreeServiceImpl helper) {
        this.helper = helper;
    }

    @PostConstruct
    private void init() {
        root = new DefaultTreeNode("Root", null);
        // récupérer les données de la base dans une liste
        nodeList = new ArrayList<MenuTree>(getListMenuTree());

        recursive(nodeList,null, root);
    }

    private List<MenuTree> getListMenuTree() {
        try {
            helper = new MenuTreeServiceImpl();
            List<MenuTree> list = new ArrayList<MenuTree>();
            list = helper.getMenuTrees();
            return list;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }

    public TreeNode getRoot() {
        return root;
    }

    public void setRoot(TreeNode root) {
        this.root = root;
    }

    public TreeNode getSelectedNode() {
        return selectedNode;
    }

    public void setSelectedNode(TreeNode selectedNode) {
        this.selectedNode = selectedNode;
    }

    public void recursive(List<MenuTree> nodeList,Long id, TreeNode node) {

        for (Iterator<MenuTree> iter = nodeList.iterator(); iter.hasNext();) {
            MenuTree elem = iter.next();
            if (elem.getParentMenuId() == id) {
                DefaultTreeNode resultNode = new DefaultTreeNode(elem);
                node.getChildren().add(resultNode);
                iter.remove();
                recursive(new ArrayList(nodeList), elem.getMenuId(), resultNode);
            }
        }
    }


    public TreeNode getArbre() {
        return arbre;
    }

    public void setArbre(TreeNode arbre) {
        this.arbre = arbre;
    }

    public List<MenuTree> getNodeList() {
        return nodeList;
    }

    public void setNodeList(List<MenuTree> nodeList) {
        this.nodeList = nodeList;
    }

    public static List<MenuTree> getAraListe() {
        return araListe;
    }

    public static void setAraListe(List<MenuTree> araListe) {
        TreeBean.araListe = araListe;
    }

    public List<MenuTree> getSubList() {
        return subList;
    }

    public void setSubList(List<MenuTree> subList) {
        this.subList = subList;
    }

    public long getMenuId() {
        return menuId;
    }

    public void setMenuId(long menuId) {
        this.menuId = menuId;
    }

    public String getMenuName() {
        return menuName;
    }

    public void setMenuName(String menuName) {
        this.menuName = menuName;
    }

    public Long getParentMenuId() {
        return parentMenuId;
    }

    public void setParentMenuId(Long parentMenuId) {
        this.parentMenuId = parentMenuId;
    }

}