<?php


namespace common\components;

use common\models\CmsMenuFrontend;
use common\models\Counter;
use SimpleXMLElement;
use Yii;
use yii\helpers\ArrayHelper;
use yii\helpers\Html;

class AbtComponent
{
    /**
     * @param $content
     * @return false|int|string
     */
    /*public function getFirstImage($content)
    {

        //$first_img = '';
        $first_img = preg_match_all('/<img.+src=[\'"]([^\'"]+)[\'"].*>/i', $content, $matches);


        if (empty($first_img) || !isset($matches[1][0])) {
            $first_img = Yii::$app->params['frontendUrl'] . '/img/nopic.png';
        } else {
            $first_img = $matches[1][0];
        }
        return $first_img;
    }*/

    /**
     * ดึงรูปภาพแรกจาก HTML content
     * @param string $content
     * @return string
     */
    public function getFirstImage($content)
    {
        $defaultImage = Yii::$app->params['frontendUrl'] . '/img/nopic.png';

        if (empty($content)) {
            return $defaultImage;
        }

        preg_match('/<img[^>]+src=["\']([^"\']+)["\']/i', $content, $matches);

        if (!empty($matches[1])) {
            return $matches[1];
        }

        return $defaultImage;
    }


    /**
     * @param $channel
     * @param string $indexName
     * @return bool|string
     */
    public function getRss($channel)
    {
        $returnString = '';
        try {
            $xml = simplexml_load_file($channel);

            if ($xml) {
                $returnString .= '<ul>';
                foreach ($xml->channel->item as $item) {
                    $returnString .= '<li><a href="' . $item->link . '" target="_blank">' . $item->title . '</a> <small>เมื่อ ' . Yii::$app->formatter->asDate(strtotime(substr($item->pubDate, 0, 16))) . '</small></li>';
                }
                $returnString .= '</ul>';
                return $returnString;
            } else {
                return false;
            }
        } catch (\Exception $e) {
            return false; //$e->getMessage();
        }
    }

    /**
     * @param $str
     * @return bool|false|string|string[]|null
     */
    public function simpleSlug($str)
    {
        $slug = preg_replace('@[\s!:;_\?=\\\+\*/%&#]+@', '-', $str);
        $slug = mb_strtolower($slug, Yii::$app->charset);
        $slug = trim($slug, '-');

        return $slug;
    }

    public function getNew($publish_at)
    {
        $date1 = date_create(date('Y-m-d'));
        $date2 = date_create($publish_at);
        $diff = date_diff($date1, $date2);

        //return  $diff->format('%a');
        if ($diff->format('%a') <= 7) {
            return Html::img(Yii::getAlias('@web') . '/img/new.gif', ['width' => 30]);
        }

        return '';
    }

    /** ตัวเก็บสถิติ เหลือปีนี้กับเดือนนี้ ยัง error */

    /**
     * ตรวจสอบว่าเป็น Bot หรือ Search Engine หรือไม่
     * @return bool
     */
    public function isBot()
    {
        $userAgent = Yii::$app->request->userAgent;
        if (empty($userAgent)) {
            return false;
        }

        $bots = [
            'googlebot', 'bingbot', 'slurp', 'duckduckbot', 'baiduspider', 'yandexbot', 'sogou', 'exabot', 'facebot', 'ia_archiver',
            'facebookexternalhit', 'twitterbot', 'rogerbot', 'linkedinbot', 'embedly', 'quora link preview', 'showyoubot', 'outbrain',
            'pinterest/0.', 'slackbot', 'vkShare', 'W3C_Validator', 'redditbot', 'Applebot', 'WhatsApp', 'flipboard', 'tumblr',
            'bitlybot', 'SkypeShell', 'msnbot', 'crawler', 'spider', 'robot', 'bot'
        ];

        foreach ($bots as $bot) {
            if (stripos($userAgent, $bot) !== false) {
                return true;
            }
        }

        return false;
    }

    public function setCounter()
    {
        // ไม่นับถ้าเป็น Bot
        if ($this->isBot()) {
            return;
        }

        $session = Yii::$app->session;
        if (!$session['visitor'] && $session['visitor'] != $_SERVER['REMOTE_ADDR']) {
            $session['visitor'] = $_SERVER['REMOTE_ADDR'];

            $model = Counter::findOne(['date_visit' => date('Y-m-d')]);
            if (!$model) {
                $model = new Counter();
                $model->date_visit = date('Y-m-d');
                $model->visit = 1;
            } else {
                $model->visit = $model->visit + 1;
            }
            $model->save();
        }
    }

    public function getCounterToday()
    {
        $counter = Counter::find()->where(['date_visit' => date('Y-m-d')])->one();
        return isset($counter) ? (int)$counter->visit : 0;
    }

    public function getCounterYesterday()
    {
        $counter = Counter::find()->where(['date_visit' => date('Y-m-d', strtotime('Yesterday'))])->one();
        return isset($counter) ? (int)$counter->visit : 0;
    }

    public function getCounterThisMonth()
    {
        $firstDay = date('Y-m-01');
        $lastDay = date('Y-m-t');
        return (int)Counter::find()
            ->where(['between', 'date_visit', $firstDay, $lastDay])
            ->sum('visit');
    }

    public function getCounterLastMonth()
    {
        $firstDay = date('Y-m-01', strtotime('-1 month'));
        $lastDay = date('Y-m-t', strtotime('-1 month'));
        return (int)Counter::find()
            ->where(['between', 'date_visit', $firstDay, $lastDay])
            ->sum('visit');
    }

    public function getCounterThisYear()
    {
        $firstDay = date('Y-01-01');
        $lastDay = date('Y-12-31');
        return (int)Counter::find()
            ->where(['between', 'date_visit', $firstDay, $lastDay])
            ->sum('visit');
    }

    public function getCounterLastYear()
    {
        $firstDay = date('Y-01-01', strtotime('-1 year'));
        $lastDay = date('Y-12-31', strtotime('-1 year'));
        return (int)Counter::find()
            ->where(['between', 'date_visit', $firstDay, $lastDay])
            ->sum('visit');
    }

    public function getCounterTotal()
    {
        return (int)Counter::find()->sum('visit');
    }

    /**
     * ดึงเมนูหน้าบ้านตามตำแหน่ง (รองรับหลายชั้น)
     * @param string $position 'navbar' หรือ 'left_menu'
     * @param int|null $parentId
     * @return array
     */
    public function getFrontendMenu($position, $parentId = null)
    {
        $models = CmsMenuFrontend::find()
            ->where(['position' => $position, 'status' => 1, 'parent_id' => $parentId])
            ->orderBy(['sort_order' => SORT_ASC])
            ->all();

        $menu = [];
        foreach ($models as $model) {
            $menu[] = [
                'name' => $model->name,
                'link' => $model->link,
                'icon' => $model->icon,
                'items' => $this->getFrontendMenu($position, $model->id) // Recursive call
            ];
        }
        return $menu;
    }
}