<?php
// +------------------------------------------------+
// |http://www.cjango.com                           |
// +------------------------------------------------+
// | 修复BUG不是一朝一夕的事情，等我喝醉了再说吧！  |
// +------------------------------------------------+
// | Author: 小陈叔叔 <Jason.Chen>                  |
// +------------------------------------------------+
namespace app\common\service;

use app\common\model\Auth as AuthModel;
use app\common\model\AuthUser as AuthUserModel;
use app\common\model\Menu as MenuModel;
use app\common\validate\Menu as MenuValidate;
use think\Config;
use think\Db;
use tools\Tree;

class Menu extends _Init
{

    /**
     * 树形展示
     * @return [type] [description]
     */
    public static function tree()
    {
        $map = [
            'status' => 1,
            'hide'   => 0,
        ];
        $field = [
            'id',
            'pid',
            'title'                                      => 'name',
            "case when pid = 0 then true else false end" => 'spread',
        ];
        $list = Db::name('Menu')->field($field)->where($map)->order('sort asc')->select();
        $menu = Tree::list2tree($list);
        return json_encode($menu);
    }

    /**
     * 显示菜单
     * 下一步增加权限管理
     * @return [type] [description]
     */
    public static function show($uid)
    {
        $map = [
            'status' => 1,
            'hide'   => 0,
            'pid'    => 0,
        ];

        if (!in_array($uid, Config::get('administrator'))) {
            $authId = AuthUserModel::where('uid', $uid)->column('auth_id');

            if (!empty($authId)) {
                $rules     = AuthModel::where('id', 'in', $authId)->column('rules');
                $rules     = implode($rules, ',');
                $rules     = explode(',', $rules);
                $rules     = array_unique($rules);
                $map['id'] = ['in', $rules];
            } else {
                // return null;
                // $map = [];
            }
        }
        $field = [
            'id',
            'title',
            'url' => 'href',
            'icon',
        ];
        $list = Db::name('Menu')->field($field)->where($map)->order('sort asc')->select();

        foreach ($list as $key => $value) {
            if ($key == 0) {
                $list[$key]['spread'] = true;
            }
            $map = [
                'status' => 1,
                'hide'   => 0,
                'pid'    => $value['id'],
            ];
            $list[$key]['children'] = Db::name('Menu')->field($field)->where($map)->order('sort asc')->select();
        }
        return json_encode($list);
    }

    /**
     * 新增菜单
     * @param [type] $data [description]
     */
    public static function add($data)
    {
        $validate = new MenuValidate();

        if (!$validate->scene('add')->check($data)) {
            return $validate->getError();
        }

        if (MenuModel::create($data)) {
            Logs::write('新增菜单', $data);
            return true;
        } else {
            return '新增菜单失败';
        }
    }

    /**
     * 编辑菜单
     * @param  [type] $data 需要编辑的数据
     * @return [type]       成功返回 true  失败返回错误信息
     */
    public static function edit($data)
    {
        $validate = new MenuValidate();

        if (!$validate->scene('edit')->check($data)) {
            return $validate->getError();
        }

        if (MenuModel::update($data)) {
            Logs::write('编辑菜单', $data);
            return true;
        } else {
            return '编辑菜单失败';
        }
    }

    /**
     * 删除菜单
     * @param  [type] $id 要删除的菜单id
     * @return [type]  成功返回 true  失败返回错误信息
     */
    public static function del($id)
    {
        if (MenuModel::where('pid', 'in', $id)->find()) {
            return '该菜单有下级菜单,不允许直接删除';
        }
        if (MenuModel::destroy($id)) {
            Logs::write('删除菜单', $id);
            return true;
        } else {
            return '删除菜单失败';
        }
    }

    /**
     * 设置菜单状态
     * @param  [type] $id     要设置的id
     * @param  [type] $status 要设置的状态
     * @param  [type] $type   要设置的字段
     * @return [type]         [description]
     */
    public static function status($id, $status, $type)
    {
        $info = MenuModel::get($id);
        if (!$info) {
            return '菜单不存在';
        } elseif ($info->save([$type => $status])) {
            return true;
        } else {
            return '设置菜单状态失败';
        }
    }
}