<?php


namespace app\admin\controller\store;


use app\common\controller\AdminController;
use app\common\validate\IDMustBePositiveInt;
use app\common\validate\PagingParameter;
use app\http\IResponse;

class Banner extends AdminController
{
    protected $model = "common/Banner";

    public function index()
    {
        $where = [];
        // 验证数据
        (new PagingParameter())->valid();

        $banners = model($this->model);

        return IResponse::paginate($banners->where($where)
            ->paginate(input('limit'),false));
    }

    /**
     * 读取这个ID下的轮播图列表
     *
     * @param  int $id 位置ID
     *
     * @return mixed
     * @throws \Lettered\Support\Exceptions\EvidentException
     * @throws \think\exception\DbException
     */
    public function read($id){
        // 输入参数检查
        (new IDMustBePositiveInt())->valid();
        // 获取ID数据
        $items = model("common/BannerItem");
        return IResponse::paginate($items->where(['banner_id' => $id])
            ->paginate(input('limit'),false));
    }

    public function bannerItem()
    {
        // 数据校验
        $params = $this->request->param();
        $valid = $this->validate($params, [
            'banner_id|所属位置' => 'require',
            'name|轮播名' => 'require',
            'open_type|跳转类型' => 'require',
            'open_url|跳转地址' => 'requireWith:open_type',
            'img|轮播图' => 'require',
        ]);
        // 错误返回
        (true !== $valid) && IResponse::failure($valid);
        // 保存数据
        $bannerId = model("common/BannerItem")->storeBy($params);

        return $bannerId ? IResponse::success([],'新增轮播图成功'):
            IResponse::failure('新增轮播图异常');
    }
    /**
     * @param $id
     *
     * @return mixed
     * @throws \Lettered\Support\Exceptions\EvidentException
     */
    public function updateBannerItem($id){
        // 输入参数检查
        (new IDMustBePositiveInt())->valid();
        // 数据校验
        $params = $this->request->param();
        $valid = $this->validate($params, [
            'banner_id|所属位置' => 'require',
            'name|轮播名' => 'require',
            'open_type|跳转类型' => 'require',
            'open_url|跳转地址' => 'requireWith:open_type',
            'img|轮播图' => 'require',
        ]);
        // 错误返回
        (true !== $valid) && IResponse::failure($valid);
        // 查询用户
        $bannerItem = model("common/BannerItem")->findBy($id);
        $bannerItem->updateBy($id, $params);

        return IResponse::success([],'操作成功');
    }

    /**
     * 删除
     *
     * @param $id
     * @return \think\response\Json
     */
    public function deleteBannerItem($id)
    {
        model("common/BannerItem")->deleteBy($id);
        return IResponse::success([],'删除成功');
    }

    /**
     * 批量操作
     * @return mixed
     */
    public function bannerItemPlectron()
    {
        // 参数
        $params = $this->request->param();

        foreach (str2arr($params['ids']) as $id){
            $user = model("common/BannerItem")->getBy($id);
            if ($this->request->isDelete()){
                $user->deleteBy($id);
                return IResponse::success([],'删除轮播图成功');
            }
            $user->allowField(true)->updateBy($id, $params);
        }
        return IResponse::success([],'操作成功');
    }

    public function update($id)
    {
        // 接收数据
        $params = $this->request->param();
        // 查询
        $banner = model($this->model)->findBy($id);
        // 是否更改状态操作
        if (isset($params['status']) && $params['status'] != '') {
            $valid = $this->validate($params, [
                'status|轮播图状态' => 'require|integer'
            ]);
        }else {
            // 数据校验
            $valid = $this->validate($params, [
                'name|轮播图名称' => 'require|email',
                'description|轮播图描述' => 'require|alpha'
            ]);
        }
        // 错误返回
        (true !== $valid) && IResponse::failure($valid);

        // 更新信息
        $banner->updateBy($id, $params);

        return IResponse::success('更新轮播图信息成功');
    }


    /**
     * 删除
     *
     * @param $id
     * @return \think\response\Json
     */
    public function delete($id)
    {
        model($this->model)->deleteBy($id);
        return IResponse::success([],'删除成功');
    }
}