<?php
namespace app\controller\manager;

use app\model\{Link as MLink, System, Log};
use app\validate\Link as VLink;
use think\exception\ValidateException;
use think\facade\Cache;

class Link extends Base
{
    //删除
    public function del()
    {
        Cache::delete('links');//删除缓存
        if ($this->request->isPost()) {
            $ids = input('post.ids/a');
            if(empty($ids) || !is_array($ids)) {
                return $this->json(2, '参数错误,请核对之后再操作!');
            }
            $items = MLink::getListByIds($ids);
            if(!empty($items)){
                $delIds = [];
                foreach($items as $item){
                    $delIds[] = $item['id'];
                }
                MLink::destroy($delIds);
                Log::write('link', 'del', '删除了友情链接，涉及到的ID为：' . implode(',', $delIds));
                return $this->json();
            }else{
                return $this->json(3, '待删除友情链接为空');
            }
        }
        return $this->json(1, '非法请求!');
    }

    //排序
    public function sort()
    {
        Cache::delete('links');//删除缓存
        if($this->request->isPost()){
            $id = input('post.id/d');
            $sort = input('post.sort/d');

            $item = MLink::findById($id);
            if(empty($item)){
                return $this->json(3, '该友情链接信息不存在!');
            }
            $item->sort = $sort;
            $item->save();
            return $this->json();

        }
        return $this->json(1, '非法请求!');
    }

    //编辑
    public function edit()
    {
        Cache::delete('links');//删除缓存
        if($this->request->isPost()){
            $item = input('post.item/a');
            $id = input('post.id/d');
            $img = input('post.img');
            if(is_numeric($id) && $id > 0) {
                $link = MLink::findById($id);
                if(empty($link)) {
                    return $this->json(2, '该友情链接信息不存在！');
                }
                if(!empty($img)){
                    $item['src'] = $img;
                }
                try {
                    validate(VLink::class)->check($item);
                    $link->save( $item);
                    Log::write('link', 'edit', "友情链接编辑，ID：{$id} ，标题：{$item['title']}");
                    return $this->json();
                } catch (ValidateException $e) {
                    return $this->json(3, $e->getError());
                }
            }
            return $this->json(1, '参数错误,请核对之后再操作!');
        } else {
            $id = input('param.id/d');
            $item = MLink::getById($id);
            $imgSize = System::getLinkImageSize();

            $this->data['item'] = $item;
            $this->data['img_size'] = $imgSize;
            return $this->view();
        }
    }

    //添加
    public function add()
    {
        Cache::delete('links');//删除缓存
        if($this->request->isPost()){
            $item = input('post.item/a');
            $img = input('post.img');

            if(!empty($img)){
                $item['src'] = $img;
            }
            try {
                validate(VLink::class)->check($item);
                $link = MLink::create($item);
                Log::write('link', 'add', "友情链接新增，ID：{$link->id} ，标题：{$item['title']}");
                return $this->json();
            } catch (ValidateException $e) {
                return $this->json(2, $e->getError());
            }
        } else {
            $imgSize = System::getLinkImageSize();
            $this->data['img_size'] = $imgSize;
            return $this->view();
        }
    }

    public function index()
    {
        if ($this->request->isPost()) {
            $page       = $this->request->param('page/d', 1);
            $size       = $this->request->param('size/d', 30);

            $whereMap   = [];
            $orders     = ['sort'=>'asc'];

            $list = MLink::findList($whereMap, [], $page, $size, null, $orders);

            return $this->json(0, 'success', $list);
        }
        return $this->view();
    }
}