<?php
// +----------------------------------------------------------------------
// | ThinkCMF [ WE CAN DO IT MORE SIMPLE ]
// +----------------------------------------------------------------------
// | Copyright (c) 2013-2017 http://www.thinkcmf.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: 老猫 <thinkcmf@126.com>
// +----------------------------------------------------------------------
namespace huo\model\menu;

use think\Cache;
use think\Model;

class AdminMenuModel extends Model {
    protected $name = 'admin_menu';

    //验证菜单是否超出三级
    public function checkParentId($parentId) {
        $find = $this->where(["id" => $parentId])->value("parent_id");
        if ($find) {
            $find2 = $this->where(["id" => $find])->value("parent_id");
            if ($find2) {
                $find3 = $this->where(["id" => $find2])->value("parent_id");
                if ($find3) {
                    return false;
                }
            }
        }

        return true;
    }

    //验证action是否重复添加
    public function checkAction($data) {
        //检查是否重复添加
        $find = $this->where($data)->find();
        if ($find) {
            return false;
        }

        return true;
    }

    //验证action是否重复添加
    public function checkActionUpdate($data) {
        //检查是否重复添加
        $id = $data['id'];
        unset($data['id']);
        $find = $this->field('id')->where($data)->find();
        if (isset($find['id']) && $find['id'] != $id) {
            return false;
        }

        return true;
    }

    /**
     * 按父ID查找菜单子项
     *
     * @param int     $parentId 父菜单ID
     * @param boolean $withSelf 是否包括他自己
     *
     * @return mixed
     */
    public function adminMenu($parentId, $withSelf = false) {
        //父节点ID
        $parentId = (int)$parentId;
        $result = $this->where(['parent_id' => $parentId, 'status' => 1])->order("list_order", "DESC")->select();
        if ($withSelf) {
            $result2[] = $this->where(['id' => $parentId])->find();
            $result = array_merge($result2, $result);
        }
        //权限检查
        if (cmf_get_current_admin_id() == 1) {
            //如果是超级管理员 直接通过
            return $result;
        }
        $array = [];
        foreach ($result as $v) {
            //方法
            $action = $v['action'];
            //public开头的通过
            if (preg_match('/^public_/', $action)) {
                $array[] = $v;
            } else {
                if (preg_match('/^ajax_([a-z]+)_/', $action, $_match)) {
                    $action = $_match[1];
                }
                $rule_name = strtolower($v['app']."/".$v['controller']."/".$action);
//                print_r($rule_name);
                if (cmf_auth_check(cmf_get_current_admin_id(), $rule_name)) {
                    $array[] = $v;
                }
            }
        }

        return $array;
    }

    /**
     * 获取菜单 头部菜单导航
     *
     * @param string $parentId 菜单id
     *
     * @return mixed|string
     */
    public function subMenu($parentId = '', $bigMenu = false) {
        $array = $this->adminMenu($parentId, 1);
        $numbers = count($array);
        if ($numbers == 1 && !$bigMenu) {
            return '';
        }

        return $array;
    }

    /**
     * 菜单树状结构集合
     */
    public function menuTree() {
        $data = $this->getTree(0);

        return $data;
    }

    /**
     * 取得树形结构的菜单
     *
     * @param        $myId
     * @param string $parent
     * @param int    $Level
     *
     * @return bool|null
     */
    public function getTree($myId, $parent = "", $Level = 1) {
        $data = $this->adminMenu($myId);
        $Level++;
        if (count($data) > 0) {
            $ret = null;
            foreach ($data as $a) {
                $id = $a['id'];
                $name = $a['app'];
                $controller = ucwords($a['controller']);
                $action = $a['action'];
                //附带参数
                $params = "";
                if ($a['param']) {
                    $params = "?".htmlspecialchars_decode($a['param']);
                }
                $array = [
                    "icon"   => $a['icon'],
                    "id"     => $id.$name,
                    "remark" => $a['remark'],
                    "name"   => lang($a['name']),
                    "parent" => $parent,
                    "url"    => url("{$name}/{$controller}/{$action}{$params}"),
                    'lang'   => strtoupper($name.'_'.$controller.'_'.$action)
                ];
                $ret[$id.$name] = $array;
                $child = $this->getTree($a['id'], $id, $Level);
                //由于后台管理界面只支持三层，超出的不层级的不显示
                if ($child && $Level <= 3) {
                    $ret[$id.$name]['items'] = $child;
                }
            }

            return $ret;
        }

        return false;
    }

    /**
     * 更新缓存
     *
     * @param  $data
     *
     * @return array
     */
    public function menuCache($data = null) {
        if (empty($data)) {
            $data = $this->order("list_order", "DESC")->column('');
            Cache::set('Menu', $data, 0);
        } else {
            Cache::set('Menu', $data, 0);
        }

        return $data;
    }

    /**
     * 后台有更新/编辑则删除缓存
     *
     * @param type $data
     */
    public function _before_write(&$data) {
        parent::_before_write($data);
    }

    //删除操作时删除缓存
    public function _after_delete($data, $options) {
        parent::_after_delete($data, $options);
        $this->_before_write($data);
    }

    public function menu($parentId, $with_self = false) {
        //父节点ID
        $parentId = (int)$parentId;
        $result = $this->where(['parent_id' => $parentId])->select();
        if ($with_self) {
            $result2[] = $this->where(['id' => $parentId])->find();
            $result = array_merge($result2, $result);
        }

        return $result;
    }

    /**
     * 得到某父级菜单所有子菜单，包括自己
     *
     * @param number $parentId
     */
    public function get_menu_tree($parentId = 0) {
        $menus = $this->where(["parent_id" => $parentId])->order(["list_order" => "DESC"])->select();
        if ($menus) {
            foreach ($menus as $key => $menu) {
                $children = $this->get_menu_tree($menu['id']);
                if (!empty($children)) {
                    $menus[$key]['children'] = $children;
                }
                unset($menus[$key]['id']);
                unset($menus[$key]['parent_id']);
            }

            return $menus;
        } else {
            return $menus;
        }
    }

    /**
     * @param $criteria
     *
     * @return mixed
     */
    public function getMenuIdPpUrl($criteria) {
        $_rdata['url'] = url($criteria['app'].DS.$criteria['controller'].DS.$criteria['action']);
        $_rdata['id'] = $this->where($criteria)->value('id');
        $_rdata['pp_id'] = $this->getPpId($_rdata['id']);

        return $_rdata;
    }

    /**
     * 获取祖宗ID
     *
     * @param $id
     *
     * @return mixed
     */
    public function getPpId($id) {
        $_parent_id = $id;
        $_pp_id = $_parent_id;
        while ($_parent_id > 0) {
            $_pp_id = $_parent_id;
            $_parent_id = $this->where(["id" => $_pp_id])->value("parent_id");
        }

        return $_pp_id;
    }
}