<?php
declare (strict_types = 1);

namespace app\admin\controller\v1;

use app\admin\model\v1\ArticleModel;
use app\admin\validate\v1\ArticleValidate;

class Article
{
    // 文章列表
    public function index()
    {
        $param = request()->param([
            'title'       => '',
            'category_id' => 0,
            'created_at'  => '',
            'page/d'      => 1,
            'limit/d'     => 10,
        ]);

        $article = ArticleModel::withoutField([
                'language_id',
                'category_id',
                'author',
                'source',
                'desc',
                'link',
                'content',
                'updated_at',
                'deleted_at',
                'seo_title',
                'seo_keywords',
                'seo_desc'
            ])
            ->category($param['category_id'])
            ->withSearch(['title', 'created_at'], (function() use($param) {
                $condition = [
                    'title' => $param['title'],
                ];
                if (isset($param['created_at'])) {
                    $condition = [
                        'created_at' => explode(',', $param['created_at'])
                    ];
                }
                return $condition;
            })())
            ->order('sort', 'desc')
            ->page($param['page'], $param['limit'])
            ->select();

        return success('获取成功', $article);
    }

    // 文章详情
    public function read()
    {
        $article = ArticleModel::withoutField([
                'language_id',
                'updated_at',
                'deleted_at',
            ])
            ->id(request()->param('id'))
            ->find();
        if (is_null($article)) {
            return error('文章不存在');
        }

        return success('获取成功', $article);
    }

    // 添加文章
    public function save()
    {
        $post = request()->post([
            'category_id',
            'title',
            'image',
            'link',
            'sort' => 0,
            'desc',
            'content',
            'recommend',
            'release_time',
            'seo_title',
            'seo_keywords',
            'seo_desc',
        ]);
        $data = array_merge($post, ['language_id' => request()->lang_id]);

        $validate = new ArticleValidate;
        if (!$validate->check($data)) {
            return error($validate->getError());
        }

        $article = new ArticleModel;
        if (!$article->save($data)) {
            return error('操作失败');
        }
        return success('操作成功');
    }

    // 更新文章
    public function update()
    {
        $id  = request()->param('id');
        $put = request()->put([
            'category_id',
            'title',
            'image',
            'link',
            'sort',
            'desc',
            'content',
            'recommend',
            'release_time',
            'seo_title',
            'seo_keywords',
            'seo_desc',
        ]);
        $data = array_merge($put, ['language_id' => request()->lang_id]);

        $validate = new ArticleValidate;
        if (!$validate->check(array_merge($data, ['id' => $id]))) {
            return error($validate->getError());
        }

        $article = ArticleModel::id($id)->find();
        if (is_null($article)) {
            return error('请确认操作对象是否存在');
        }

        if (!$article->save($data)) {
            return error('操作失败');
        }
        return success('操作成功');
    }

    // 删除文章
    public function delete()
    {
        $id = request()->param('id');
        $article = ArticleModel::id($id)->find();
        if (is_null($article)) {
            return error('请确认操作对象是否存在');
        }

        if (!$article->useSoftDelete('deleted_at', date('Y-m-d H:m:s', time()))->delete()) {
            return error('操作失败');
        }
        return success('操作成功');
    }
}