<?php

return new class extends \Lewp\Module {

    private function createOptionsTable(array $options)
    {
        // create head row
        $head_cells = [
            $this->createElement("th", "Key"),
            $this->createElement("th", "Value")
        ];
        $head_row = $this->createElement("tr");
        foreach ($head_cells as $cell) {
            $head_row->appendChild($cell);
        }
        // create table body
        $tbody = $this->createElement("tbody");
        foreach ($options as $key => $value) {
            $tr = $this->createElement("tr");
            $td = $this->createElement("td", $key);
            $tr->appendChild($td);
            if (is_array($value)) {
                $td = $this->createElement("td", "[".implode(", ", $value)."]");
            } elseif ($value === true) {
                $td = $this->createElement("td", "true");
            } elseif ($value === false) {
                $td = $this->createElement("td", "false");
            } else {
                $td = $this->createElement("td", $value);
            }
            $tr->appendChild($td);
            $tbody->appendChild($tr);
        }
        // construct the table
        $thead = $this->createElement("thead");
        $thead->appendChild($head_row);
        $thead->appendChild($tbody);

        $table = $this->createElement("table", "", [
            "class" => "table"
        ]);
        $table->appendChild($thead);
        $table->appendChild($tbody);

        return $table;
    }

    private function addPageId() {
        $div = $this->createElement("div", null, [
            "class" => "page-id-wrapper"
        ]);
        $h2 = $this->createElement("h2", "Current page id: \"".$this->getPageId()."\"");
        $p = $this->createElement("p");
        $text = $this->createTextNode("Click on this ");
        $p->appendChild($text);
        $href = "/".$this->getPageId()."/hello/dynamic_uri/123456";
        $a = $this->createElement("a", "link (".$href.")", [
            "href" => $href
        ]);
        $p->appendChild($a);
        $text = $this->createTextNode(" to see dynamic_uri_parts option at work.");
        $p->appendChild($text);
        $p->appendChild($this->createElement("br"));
        $italic = $this->createElement("i", "Please notice that the separation of \"dynamic_uri\" is due to the file hierarchy convention. It is intended, not a bug.");
        $p->appendChild($italic);

        $div->appendChild($h2);
        $div->appendChild($p);
        return $div;
    }

    public function run(array $options = []) : bool
    {
        $this->appendChild($this->addPageId());
        $this->appendChild($this->createElement("h2", "\$options content"));
        $this->appendChild($this->createOptionsTable($options));
        $this->appendChild($this->createElement("h2", "\$this->configuration->get() content"));
        $this->appendChild($this->createOptionsTable($this->configuration->get()));
        return true;
    }

    public function onWebsocketRequest(
        \Lewp\Websocket\Message $message
    ) : \Lewp\Websocket\Message {
    }
};