<?php
// +----------------------------------------------------------------------
// | YwxApp [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | 文章CMS后台分类管理
// +----------------------------------------------------------------------
declare(strict_types=1);

namespace addon\articles\controller\backend;

use think\facade\Request;
use think\facade\View;
use think\Validate;
use ywxapp\controller\BackendBase;
use addon\articles\model\ArticleCategory;
use addon\articles\library\ArticleSchema;

class Category extends BackendBase
{
    
    /**
     * Summary of needLogin
     * @var array
     */
    protected $noNeedLogin = [];

    /**
     * Summary of needRight
     * @var array
     */
    protected $noNeedVerify = [];

    protected function initialize()
    {
        parent::initialize();
        ArticleSchema::ensure();
    }
 
    /**
     * 显示资源列表
     *
     * @param  \think\Request  $request
     * @return \think\Response
     */
    public function index()
    {
        $page = $this->request->param('page', 1);
        $size = $this->request->param('size', 15);
        if ($this->request->isAjax()) {
            $data = ArticleCategory::paginate([
                'page'      => $page,
                'list_rows' => $size,
            ]);
            $this->result->success($data->items());
        }
        $this->view->assign('title', '登录');
        return $this->view->fetch('category/index');
    }

    public function save()
    {
        if (Request::isPost()) {
            $data = Request::post();
            $data['status'] = isset($data['status']) ? 1 : 0;
            
            $validate = new Validate([
                'name|名称' => 'require|max:50',
                'alias|别名' => 'require|max:50',
            ]);
            if (!$validate->check($data)) {
                $this->result->error($validate->getError()); 
            }
            ArticleCategory::create($data);
            $this->result->success();
        }
    }

    public function edit($id = null)
    {
        $category = ArticleCategory::find($id);
        if (!$category) {
            return redirect('/articles/backend/category');
        }
        return View::fetch('category/edit', ['category' => $category]);
    }

    public function update($id = 0)
    {
        $data = Request::post();
        $id   = $id ?: (int) ($data['id'] ?? 0);
        $data['update_at'] = time();
        $data['status'] = isset($data['status']) ? 1 : 0;

        $validate = new Validate([
            'name|名称' => 'require|max:50',
            'alias|别名' => 'require|max:50',
        ]);
        if (!$validate->check($data)) {
            return json(['code' => 0, 'msg' => $validate->getError()]);
        }

        if ($id) {
            $category = ArticleCategory::find($id);
            if (!$category) {
                return json(['code' => 0, 'msg' => '分类不存在']);
            }
            $category->save($data);
        } else {
            $data['create_at'] = time();
            ArticleCategory::create($data);
        }
        return json(['code' => 0, 'msg' => '保存成功', 'url' => '/articles/backend/category']);
    }

    public function delete($id = 0)
    {
        $id = $id ?: (int) Request::post('id', 0);
        $category = ArticleCategory::find($id);
        if ($category) {
            if (ArticleCategory::hasArticles($id)) {
                return json(['code' => 0, 'msg' => '该分类下还有文章，无法删除']);
            }
            $category->delete();
            return json(['code' => 0, 'msg' => '已删除']);
        }
        return json(['code' => 0, 'msg' => '分类不存在']);
    }
}