<?php
namespace addons\cms\model;

use think\Model;
use think\facade\Db;

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

    public static function getCurrentLang()
    {
        if (function_exists('cms_current_lang')) {
            return cms_current_lang();
        }

        $request = request();
        $default = (string)(Db::name('lang')->where('is_default', 1)->value('mark') ?: 'cn');
        $regionCode = strtoupper((string)$request->param('region/s', ''));
        if ($regionCode !== '' && function_exists('cms_lang_by_region_code')) {
            return cms_lang_by_region_code($regionCode, $default);
        }

        $pathinfo = trim($request->pathinfo(), '/');
        if ($pathinfo !== '') {
            $segments = explode('/', $pathinfo);
            $first = strtoupper($segments[0] ?? '');
            if ($first !== '' && function_exists('cms_lang_by_region_code')) {
                return cms_lang_by_region_code($first, $default);
            }
        }

        return $default;
    }

    public static function getPageWithLangByCatid($catid, $lang = null)
    {
        $lang = $lang ?: self::getCurrentLang();
        $defaultLang = cms_default_lang();
        $row = self::where('catid', $catid)->find();
        if (!$row) {
            return null;
        }
        $translate = Db::name('cms_page_data')->where(['page_id' => $row->id, 'lang' => $lang])->find();
        if (!$translate && $lang !== $defaultLang) {
            $translate = Db::name('cms_page_data')->where(['page_id' => $row->id, 'lang' => $defaultLang])->find();
        }
        $data = $row->toArray();
        $data['lang'] = $lang;
        $data['title'] = $translate['title'] ?? ($data['title'] ?? '');
        $data['keywords'] = $translate['keywords'] ?? ($data['keywords'] ?? '');
        $data['description'] = $translate['description'] ?? ($data['description'] ?? '');
        $data['content'] = $translate['content'] ?? ($data['content'] ?? '');
        $data['translation_lang'] = $translate['lang'] ?? $defaultLang;
        return $data;
    }
}