<?php
/**
 * Created by coder loomis.li
 * User: coder loomi
 * Date: 2022/09/06 15:02
 */

namespace app\other\admin;

use app\admin\controller\Admin;
use think\Db;
use app\common\builder\ZBuilder;
use app\other\model\ProductCategory as ProductCategoryModel;

/**
 * 商品类别控制器
 * @package app\product\admin
 */
class Category extends Admin
{
    /**
     * 商品类别列表
     * @author loomis <2477365162@qq.com>
     * @return mixed
     */
    public function index()
    {
        // 保存模块排序
        if ($this->request->isPost()) {
            $modules = $this->request->post('sort/a');
            if ($modules) {
                foreach ($modules as $key => $module) {
                    $data[] = [
                        'id'   => $module,
                        'sort' => $key + 1
                    ];
                }
                $ProductCategoryModel = new ProductCategoryModel();
                if (false !== $ProductCategoryModel->saveAll($data)) {
                    return $this->success('保存成功');
                } else {
                    return $this->error('保存失败');
                }
            }
        }

        $data_list = ProductCategoryModel::getMenusByGroup();
        $max_level = $this->request->get('max', 0);
        $this->assign('menus', $this->getNestMenu($data_list, $max_level));
        $this->assign('page_title', '类别管理');


        return $this->fetch();
    }

    /**
     * 新增类别
     * @author loomis <2477365162@qq.com>
     */
    public function add($module = 'admin', $pid = '')
    {
        // 保存数据
        if ($this->request->isPost()) {
            $data = $this->request->post();
            // 验证
            $result = $this->validate($data, 'Category');
            // 验证失败 输出错误信息
            if(true !== $result) return $this->error($result);

            $data['UID'] = UID;
            if ($menu = ProductCategoryModel::create($data)) {
                return $this->success('新增成功',url('index'));
            } else {
                return $this->error('新增失败');
            }
        } else {

            $category_list = ProductCategoryModel::getMenuTree(0, '', $module);
            // 使用ZBuilder快速创建表单
            return ZBuilder::make('form')
                ->setPageTitle('新增类别')
                ->addFormItems([
                    ['image', 'thumb', '缩略图'],
                    ['select', 'pid', '所属类别', '所属上级类别', $category_list, $pid],
                    ['text', 'title', '类别标题'],
                    ['radio', 'is_index', '是否首页显示', '',[0=>'不显示',1=>'显示'],0],
                ])
                ->addIcon('icon', '图标', '导航图标')
                ->addText('sort', '排序', '', 100)
                ->layout(['pid' => '8', 'title' => '8', 'icon' => '8', 'sort' => '8'])
                ->fetch();
        }

    }

    /**
     * 编辑类别
     * @param int $id 类别ID
     * @author loomis <2477365162@qq.com>
     * @return mixed
     */
    public function edit($id = 0)
    {
        if ($id === 0) return $this->error('缺少参数');

        // 保存数据
        if ($this->request->isPost()) {
            $data = $this->request->post();

            // 验证
            $result = $this->validate($data, 'Category');
            // 验证失败 输出错误信息
            if(true !== $result) return $this->error($result);

            if (ProductCategoryModel::update($data)) {

                return $this->success('编辑成功', url('index'));
            } else {
                return $this->error('编辑失败');
            }
        }

        // 获取数据
        $info = ProductCategoryModel::get($id);

        // 使用ZBuilder快速创建表单
        return ZBuilder::make('form')
            ->setPageTitle('编辑类别')
            ->addFormItem('hidden', 'id')
            ->addFormItem('image', 'thumb', '缩略图')
            ->addFormItem('select', 'pid', '所属类别', '所属上级类别', ProductCategoryModel::getMenuTree(0, '', $info['module']))
            ->addFormItem('text', 'title', '类别标题')
            ->addFormItem('radio', 'is_index', '是否首页显示','', [0=>'不显示',1=>'显示'])
            ->addIcon('icon', '图标', '导航图标')
            ->addText('sort', '排序', '', 100)

            ->layout(['pid' => '8', 'title' => '8', 'icon' => '8', 'sort' => '8'])
            ->setFormData($info)
            ->fetch();
    }

    /**
     * 删除类别
     * @return mixed
     */
    public function delete($record = [])
    {
        $id = $this->request->param('id');
        $menu = ProductCategoryModel::where('id', $id)->find();

        if ($menu['system_menu'] == '1')  return $this->error('系统类别，禁止删除');

        // 获取该类别的所有后辈类别id
        $menu_childs = ProductCategoryModel::getChildsId($id);

        // 要删除的所有类别id
        $all_ids = array_merge([(int)$id], $menu_childs);

        // 删除类别
        if (ProductCategoryModel::destroy($all_ids)) {
            return $this->success('删除成功');
        } else {
            return $this->error('删除失败');
        }
    }

    /**
     * 保存类别排序
     * @return mixed
     */
    public function save()
    {
        if ($this->request->isPost()) {
            $data = $this->request->post();
            if (!empty($data)) {
                $menus = $this->parseMenu($data['menus']);
                foreach ($menus as $menu) {
                    if ($menu['pid'] == 0) {
                        ProductCategoryModel::update(array('sort'=>$menu['sort']),array('id'=>$menu['id']));
                    }else{
                        ProductCategoryModel::update(array('pid'=>$menu['pid'],'sort'=>$menu['sort']),array('id'=>$menu['id']));
                    }
                }
                return $this->success('保存成功');
            } else {
                return $this->error('没有需要保存的类别');
            }
        }
        return $this->error('非法请求');
    }


    /**
     * 递归解析类别
     * @param array $menus 类别数据
     * @param int $pid 上级类别id
     * @return array 解析成可以写入数据库的格式
     */
    private function parseMenu($menus = [], $pid = 0)
    {
        $sort   = 1;
        $result = [];
        foreach ($menus as $menu) {
            $result[] = [
                'id'   => (int)$menu['id'],
                'pid'  => (int)$pid,
                'sort' => $sort,
            ];
            if (isset($menu['children'])) {
                $result = array_merge($result, $this->parseMenu($menu['children'], $menu['id']));
            }
            $sort ++;
        }
        return $result;
    }

    /**
     * 获取嵌套式类别
     * @param array $lists 原始类别数组
     * @param int $pid 父级id
     * @param int $max_level 最多返回多少层，0为不限制
     * @param int $curr_level 当前层数
     */
    private function getNestMenu($lists = [], $max_level = 0, $pid = 0, $curr_level = 1)
    {
        $result = '';
        foreach ($lists as $key => $value) {
            if ($value['pid'] == $pid) {
                $disable  = $value['status'] == 0 ? 'dd-disable' : '';

                $isindex = $value['is_index']==1?'（首页显示）':null;

                // 组合类别
                $result .= '<li class="dd-item dd3-item '.$disable.'" data-id="'.$value['id'].'">';
                $result .= '<div class="dd-handle dd3-handle">拖拽</div><div class="dd3-content"><i class="'.$value['icon'].'"></i> '.$value['title'].$isindex;
                if ($value['url_value'] != '') {
                    $result .= '<span class="link"><i class="fa fa-link"></i> '.$value['url_value'].'</span>';
                }
                $result .= '<div class="action">';
                $result .= '<a href="'.url('add', ['module' => $value['module'], 'pid' => $value['id']]).'" data-toggle="tooltip" data-original-title="新增子类别"><i class="list-icon fa fa-plus fa-fw"></i></a><a href="'.url('edit', ['id' => $value['id']]).'" data-toggle="tooltip" data-original-title="编辑"><i class="list-icon fa fa-pencil fa-fw"></i></a>';
                if ($value['status'] == 0) {
                    // 启用
                    $result .= '<a href="javascript:void(0);" data-ids="'.$value['id'].'" class="enable" data-toggle="tooltip" data-original-title="启用"><i class="list-icon fa fa-check-circle-o fa-fw"></i></a>';
                } else {
                    // 禁用
                    $result .= '<a href="javascript:void(0);" data-ids="'.$value['id'].'" class="disable" data-toggle="tooltip" data-original-title="禁用"><i class="list-icon fa fa-ban fa-fw"></i></a>';
                }
                $result .= '<a href="'.url('delete', ['id' => $value['id'], 'table' => 'product_category']).'" data-toggle="tooltip" data-original-title="删除" class="ajax-get confirm"><i class="list-icon fa fa-times fa-fw"></i></a></div>';
                $result .= '</div>';

                if ($max_level == 0 || $curr_level != $max_level) {
                    unset($lists[$key]);
                    // 下级类别
                    $children = $this->getNestMenu($lists, $max_level, $value['id'], $curr_level + 1);
                    if ($children != '') {
                        $result .= '<ol class="dd-list">'.$children.'</ol>';
                    }
                }

                $result .= '</li>';
            }
        }
        return $result;
    }

    /**
     * 启用类别
     */
    public function enable($record = [])
    {
        $id      = input('param.ids');
        $menu    = ProductCategoryModel::where('id', $id)->update(['status'=>1]);

        $this->success('操作成功');
    }

    /**
     * 禁用类别
     */
    public function disable($record = [])
    {
        $id      = input('param.ids');
        $menu    = ProductCategoryModel::where('id', $id)->update(['status'=>0]);

        $this->success('操作成功');
    }
}