<?php
namespace app\us\controller;

use think\Loader;

class TopsNas extends BaseController
{
    public function _initialize()
    {
        parent::_initialize();
        parent::nasNavigation();
    }

    /**
     * 获取特定banner
     */
    private function getBanners($typeids)
    {
        $banners = Loader::model("Banner")->alias('b')->field([
                'b.id',
                'b.typeid',
                'bt.name'        => 'typename',
                'bt.description' => 'typedesc',
                'b.name',
                'b.categoryid',
                'b.url',
                'b.picture',
                'b.alt',
                'b.style',
                'b.description'  => 'desc',
                'b.descolor',
                'b.btncolor',
                'b.videourl',
            ])
            ->join('banner_type bt', 'bt.stat= 0 and bt.id=b.typeid')
            ->where('b.stat', '=', 0)
            ->where('b.typeid', 'in', $typeids)
            ->order(['sort' => 'asc', 'id' => 'asc'])
            ->select();

        $chucks = [];
        foreach ($banners as $val) {
            if (empty($chucks['typeid_' . $val['typeid']])) {
                $chucks['typeid_' . $val['typeid']]['id']      = $val['typeid'];
                $chucks['typeid_' . $val['typeid']]['name']    = $val['typename'];
                $chucks['typeid_' . $val['typeid']]['desc']    = $val['typedesc'];
                $chucks['typeid_' . $val['typeid']]['banners'] = [];
            }

            $link = $val['url'];
            if (empty($val['url']) && !empty($val['categoryid'])) {
                $link = url_rewrite('productsub', ['id' => $val['categoryid']]);
            }
            $chucks['typeid_' . $val['typeid']]['banners'][] = [
                'id'         => $val['id'],
                'name'       => $val['name'],
                'link'       => $link,
                'picture'    => $val['picture'],
                'alt'        => $val['alt'],
                'style'      => $val['style'],
                'desc'       => $val['desc'],
                'desc_color' => $val['descolor'],
                'btn_color'  => $val['btncolor'],
                'video_url'  => $val['videourl'],
            ];
        }

        return $chucks;
    }

    /**
     * getCategoryTree 获取特定文章分类树
     */
    private function getCategoryTree($cid)
    {
        // 设备
        $category = Loader::model('ArticleCategory')
            ->field([
                'id',
                'pid',
                'name',
                'picture'
            ])
            ->where('isshow', '=', 1)
            ->where(function($query) use($cid) {
                $query->where('id', '=', $cid)->WhereOr('pid', '=', $cid);
            })
            ->where('country_code', '=', $this->country_code)
            ->order(['sort' => 'asc'])
            ->select();

        $category_array = collection($category)->toArray();
        $category_tree  = $this->buildTree($category_array, $cid);
        return $category_tree;
    }

    // 根据分类获取文章
    private function getArticleByCategory($categorys, $limit = null)
    {
        if (!is_array($categorys)) {
            throw new \Exception('请确认分类正确');
        }
        if (empty($categorys)) {
            return [];
        }

        $sub_query = Loader::model('Article')
            ->field([
                'id',
                'cid',
                'name',
                'sort'
            ])
            ->where('stat', '=', 0)
            ->where('cid', '=', $categorys[0]['id'])
            ->where('country_code', '=', $this->country_code)
            ->order(['sort' => 'asc', 'id' => 'desc']);
        if (!empty($limit)) {
            $sub_query = $sub_query->limit($limit);
        }
        $sub_query = $sub_query->buildSql();

        $model = \think\Db::table($sub_query . ' a');
        foreach ($categorys as $key => $val) {
            if ($key == 0) continue;
            $model->union(function ($query) use ($val, $limit) {
                $query->name('article')->field([
                        'id',
                        'cid',
                        'name',
                        'sort'
                    ])
                    ->where('stat', '=', 0)
                    ->where('cid', '=', $val['id'])
                    ->where('country_code', '=', $this->country_code)
                    ->order(['sort' => 'asc', 'id' => 'desc']);
                if (!empty($limit)) {
                    $query->limit($limit);
                }
            });
        }

        $map = [];
        $data = $data = $model->select();
        foreach ($data as $key => $val) {
            $map['cid_' . $val['cid']][] = $val;
        }
        return $map;
    }

    // 帮助中心
    public function helper()
    {
        // 获取分类
        $categorys = $this->getCategoryTree(77);
        // 获取文章
        $articles = $this->getArticleByCategory($categorys, 3);
        // 组装数据
        foreach ($categorys as $key => &$val) {
            if (!isset($val['articles'])) {
                $val['articles'] = [];
            }
            if (isset($articles['cid_' . $val['id']])) {
                $items = $articles['cid_' . $val['id']];
                foreach ($items as $k => $v) {
                    $val['articles'][] = [
                        'id' => $v['id'],
                        'name' => $v['name']
                    ];
                }
            }
        }
        unset($val);
        $this->assign('categorys', $categorys);

        // 获取banner
        $banners = $this->getBanners(128);
        if (!empty($banners)) {
            $banners = $banners['typeid_128']['banners'];
        }
        $this->assign('banners', $banners);
        $this->assign('banners_size', count($banners));

        return $this->fetch();
    }

    // 搜索帮助文章
    public function helper_search()
    {
        $base_category = 77;
        $keywords = request()->param('keywords');
        $articles = Loader::model('Article')
            ->field([
                'id',
                'name',
                'sort',
            ])
            ->where('stat', '=', 0)
            ->where('country_code', '=', $this->country_code)
            ->where('cid', 'in', function ($query) use ($base_category) {
                $query->name('article_category')
                    ->field(['id'])
                    ->where('id', '=', $base_category)
                    ->whereOr('pid', '=', $base_category);
            })
            ->where(function ($query) use ($keywords) {
                if (!empty($keywords)) {
                    $query->where('name', 'like', '%' . $keywords . '%');
                }
            })
            ->order(['sort' => 'asc', 'id' => 'desc'])
            ->select();

        return json([
            'code'    => 0,
            'message' => '获取成功',
            'data'    => $articles
        ]);
    }

    // 帮助中心文章详细
    public function helper_detail()
    {
        $id = request()->param('id');
        $article = Loader::model('Article')->where('id', '=', $id)->find();

        if (request()->isAjax()) {
            return json([
                'code'    => 0,
                'message' => '获取成功',
                'data'    => $article
            ]);
        } else {
            // 获取分类
            $categorys = $this->getCategoryTree(77);
            // 获取文章
            $articles = $this->getArticleByCategory($categorys);
            // 组装数据
            foreach ($categorys as $key => &$val) {
                if (!isset($val['articles'])) {
                    $val['articles'] = [];
                }
                if (isset($articles['cid_' . $val['id']])) {
                    $items = $articles['cid_' . $val['id']];
                    foreach ($items as $k => $v) {
                        $val['articles'][] = [
                            'id' => $v['id'],
                            'name' => $v['name']
                        ];
                    }
                }
            }
            unset($val);
            $this->assign('categorys', $categorys);
            $this->assign('article', $article);
            $this->assign('cid', request()->param('cid', $article->cid));
        }

        return $this->fetch();
    }

    // 下载
    public function download()
    {
        $downloads = [];
        // 获取banner
        $banners = $this->getBanners([129]);
        if (!empty($banners)) {
            $downloads = $banners['typeid_129']['banners'];
        }
        $this->assign('downloads', $downloads);

        return $this->fetch();
    }

}