<?php
namespace Isekai\Widgets;

use MediaWiki\Title\Title;
use MediaWiki\Parser\Parser;
use MediaWiki\Html\Html;
use PPFrame;

class ButtonLinkWidget {
    /**
     * @param string $text
     * @param array $params
     * @param Parser $parser
     * @param PPFrame $frame
     * @return string|string[]
     */
    public static function create($text, $params, Parser $parser, PPFrame $frame) {
        $out = $parser->getOutput();
        $out->addModules([
            "oojs-ui-core"
        ]);

        if (!empty($params['page'])) {
            $title = Title::newFromText($params['page']);
            if ($title) {
                $params['href'] = $title->getLocalURL();
            }
        }

        $framed = true;
        if (!empty($params['frameless']) && $params['frameless']) {
            $framed = false;
        }

        $flags = [];

        $primary = true;
        $type = 'progressive';

        if (!empty($params['type'])) {
            switch ($params['type']) {
                case 'progressive':
                    // default style
                    break;
                case 'default':
                    $primary = false;
                    $type = null;
                    break;
                case 'secondary':
                    $primary = false;
                    break;
            }
        }

        if (!empty($params['destructive']) && $params['destructive']) {
            $flags[] = 'destructive';
        }

        if ($primary) {
            $flags[] = 'primary';
        }
        if ($type) {
            $flags[] = $type;
        }

        $classList = ['oo-ui-widget', 'oo-ui-widget-enabled', 'oo-ui-buttonElement', 'oo-ui-labelElement', 'oo-ui-buttonWidget'];

        if ($framed) {
            $classList[] = 'oo-ui-buttonElement-framed';
        } else {
            $classList[] = 'oo-ui-buttonElement-frameless';
        }

        foreach ($flags as $flag) {
            $classList[] = 'oo-ui-flaggedElement-' . $flag;
        }

        $html = Html::rawElement('span', ['class' => implode(' ', $classList)],
            Html::rawElement('a', [
                'class' => 'oo-ui-buttonElement-button',
                'role' => 'button',
                'tabindex' => '0',
                'href' => $params['href'] ?? '#',
                'target' => $params['target'] ?? '_self',
                'rel' => 'nofollow'
            ],
                Html::element('span', ['class' => 'oo-ui-iconElement-icon oo-ui-iconElement-noIcon']) .
                Html::element('span', ['class' => 'oo-ui-labelElement-label'], $text) .
                Html::element('span', ['class' => 'oo-ui-indicatorElement-indicator oo-ui-indicatorElement-noIndicator'])
            )
        );

        return [$html, "markerType" => 'nowiki'];
    }
}