<?php

/**
 * @author Any
 * @description KISS
 * @date 2020-11-4
 * @version 1.0.0
 * 
 * _____LOG_____
 * 
 */
namespace app\modules\admin\models;


class AdminMenu 
{
    public function getList($ignore_hide = true)
    {
        $menuList = Menu::getMenu();

        $menuList = $this->resetList($menuList, $ignore_hide);
        $menuList = $this->deleteEmptyList($menuList);

        return $menuList;
    }
    

    public function resetList($list, $ignore_hide = true)
    {
        foreach ($list as $i => $item) {
            if (isset($item['is_show']) && $item['is_show'] !== true && $ignore_hide) {
                unset($list[$i]);
                continue;
            }

            if (isset($item['children']) && is_array($item['children'])) {
                $list[$i]['children'] = $this->resetList($item['children'], $ignore_hide);
            }
        }
        $list = array_values($list);
        return $list;
    }

    /**
     * 当父数组下没有没有一个子元素时，因将该父数组删除
     * @param $menuList
     * @return array
     */
    public function deleteEmptyList($menuList)
    {
        foreach ($menuList as $i => $item) {
            if(!isset($item['children']))
                continue;            
            if (is_array($item['children']) && count($item['children']) == 0) {
                if($item['route'] == null){
                    unset($menuList[$i]);
                }
                continue;
            }
        }
        $menuList = array_values($menuList);

        return $menuList;
    }    
    
    public function getMenuUrls($menus)
    {
        $urls = [];
        foreach ($menus as $index => $item){
            if(isset($item['route']) && !empty($item['route']))
                array_push ($urls, $item['route']);
            if(isset($item['children']) && count($item['children']) != 0){
                $result = $this->getMenuUrls($item['children']);
                $urls = array_merge($urls, $result);
            }
            if(isset($item['action']) && count($item['action']) != 0){
                $result = $this->getMenuUrls($item['action']);
                $urls = array_merge($urls, $result);
            }
        }
        return $urls;
    }    
    
    /**
     * 获取菜单权限树
     * @param array $permissions 用户已获取的权限路由集
     * retrun array
     */
    public function getPermissionTree($permissions)
    {
        $menus = $this->getList(false);
        return $this->resetPermissionTree($menus, $permissions);
    }
    
    public function resetPermissionTree($menus, $permissions)
    {
        $tree = [];
        foreach ($menus as $index => $item){
            $_item = [];
            $_item['title'] = $item['name'];
            $_item['id'] = !empty($item['route']) ? md5($item['route']) : md5($item['name']);
            $_item['field'] = $item['route'];
            if(isset($item['children']) && count($item['children']) != 0)
                $_item['children'] = $this->resetPermissionTree($item['children'], $permissions);
            $_item['checked'] = in_array($item['route'], $permissions) ? true : false;
            if(isset($item['action']) && count($item['action']) != 0)
                $_item['children'] = $this->resetPermissionTree($item['action'], $permissions);
            if(isset($_item['children']) && !$item['route'] && count($_item['children']) != 0){
                $checked = true;
                foreach ($_item['children'] as $i => $sub_item){
                    if(!$sub_item['checked']){
                        $checked = false;
                        break;
                    }
                }
                $_item['checked'] = $checked;
            }
            array_push($tree, $_item);
        }
        return $tree;
    }
    
    /**
     * 根据用户权限获取菜单列表
     * @param array $menus 菜单列表
     * @param array $permissions 用户已有权限路由
     * return array
     */
    public function getUserMenu($menus, $permissions, $is_super_admin = false)
    {
        if($is_super_admin)
            return $menus;
        $menuList = $this->resetUserMenu($menus, $permissions);
        $menuList = $this->resetList($menuList);
        $menuList = $this->deleteEmptyList($menuList);
        return $menuList;
    }
    
    public function resetUserMenu($list, $permissions)
    {
        foreach ($list as $index => $item) {
            if($item['route'] != null){
                $item['is_show'] = in_array($item['route'], $permissions) ? true : false;
            }
            if (isset($item['children']) && is_array($item['children'])) {
                $item['children'] = $this->resetUserMenu($item['children'], $permissions);
                $has_menu = false;
                foreach ($item['children'] as $i => $sub_item){
                    if($sub_item['is_show']){
                        $has_menu = true;
                        break;
                    }
                }   
                if(!$has_menu && $item['route'] == null){
                    $item['is_show'] = false;
                }
            }
            $list[$index] = $item;
        }
        $list = array_values($list);
        return $list;        
    }
    
}