<?php
namespace app\admin\model\cms;

use app\admin\model\general\Lang as LangModel;
use think\Exception;
use think\Model;

class Page extends Model
{
    protected $name               = 'cms_page';
    protected $autoWriteTimestamp = true;

    protected $append = [
        'publish_time_text',
    ];

    public function getPublishTimeTextAttr($value, $data)
    {
        $value = $value ? $value : ($data['publish_time'] ?? null);
        return is_numeric($value) ? date('Y-m-d H:i:s', $value) : $value;
    }

    protected function setPublishTimeAttr($value)
    {
        return $value && !is_numeric($value) ? strtotime($value) : ($value ? $value : null);
    }

    public function savePage($data, $lang = null)
    {
        if (empty($data) || empty($data['catid'])) {
            throw new Exception('内容不能为空！');
        }
        $lang = $lang ?: LangModel::getDefaultMark();

        $mainData = [
            'catid' => $data['catid'],
            'thumb' => $data['thumb'] ?? '',
            'hits' => $data['hits'] ?? 0,
            'publish_time' => isset($data['publish_time']) ? $this->setPublishTimeAttr($data['publish_time']) : time(),
        ];

        $translateData = [
            'lang' => $lang,
            'title' => $data['title'] ?? '',
            'keywords' => $data['keywords'] ?? '',
            'description' => $data['description'] ?? '',
            'content' => $data['content'] ?? '',
        ];

        $row = self::where('catid', $data['catid'])->find();
        if ($row) {
            $row->save($mainData);
        } else {
            $row = self::create($mainData);
        }

        $pageData = PageData::where(['page_id' => $row->id, 'lang' => $lang])->find();
        if ($pageData) {
            $pageData->save($translateData);
        } else {
            $translateData['page_id'] = $row->id;
            PageData::create($translateData);
        }
        return true;
    }

    public function getPageWithLang($catid, $lang = null)
    {
        $lang = $lang ?: LangModel::getDefaultMark();
        $defaultLang = LangModel::getDefaultMark();
        $row = self::where('catid', $catid)->find();
        if (!$row) {
            return null;
        }
        $translate = PageData::where(['page_id' => $row->id, 'lang' => $lang])->find();
        if (!$translate && $lang !== $defaultLang) {
            $translate = PageData::where(['page_id' => $row->id, 'lang' => $defaultLang])->find();
        }
        $data = $row->toArray();
        $data['lang'] = $lang;
        $data['title'] = $translate['title'] ?? '';
        $data['keywords'] = $translate['keywords'] ?? '';
        $data['description'] = $translate['description'] ?? '';
        $data['content'] = $translate['content'] ?? '';
        $data['has_translation'] = $translate ? 1 : 0;
        return $data;
    }

    public static function onBeforeDelete($row)
    {
        PageData::where('page_id', $row->id)->delete();
    }

    public function category()
    {
        return $this->belongsTo('Category', 'catid', 'id');
    }
}