<?php
    function get_text_results($query, $page)
    {
        global $config;

        // Randomly choose a instance

        $results = array();
        $num = array_rand($config->instances);
        $instance = $config->instances[$num];
        $url = "https://$instance/api.php";

        // Create parameters in cookies
        // Long time ago parameters like google_language or alternative_frontends are in POST field
        // IMO those changes are not good for privacy, I will consider to create a fork to bring back POST field method
        // BTW domain (google) can't be changed but mostly .com is used

        $site_language = isset($_COOKIE["google_language_site"]) ? trim(htmlspecialchars($_COOKIE["google_language_site"])) : $config->google_language_site;
        $results_language = isset($_COOKIE["google_language_results"]) ? trim(htmlspecialchars($_COOKIE["google_language_results"])) : $config->google_language_results;
        $number_of_results = isset($_COOKIE["google_number_of_results"]) ? trim(htmlspecialchars($_COOKIE["google_number_of_results"])) : $config->google_number_of_results;
        $wikipedia_language = isset($_COOKIE["wikipedia_language"]) ? trim(htmlspecialchars($_COOKIE["wikipedia_language"])) : $config->wikipedia_language;

        $cookies = array(
            "google_language_site" => ((3 > strlen($site_language) && 0 < strlen($site_language))) ? $site_language : null,
            "google_language_results" => ((3 > strlen($results_language) && 0 < strlen($results_language))) ? $results_language : null,
            "google_number_of_results" => ((3 > strlen($number_of_results) && 0 < strlen($number_of_results))) ? $number_of_results : null,
            "wikipedia_language" => $wikipedia_language, // need some fix
            "safe_search" => isset($_COOKIE["safe_search"]) ? $_COOKIE["safe_search"] : null,
            "disable_special" => isset($_COOKIE["disable_special"]) ? $_COOKIE["disable_special"] : null
        );

        // API POST field
        // Query should be encoded in api/search.php first but dunno why original repo still encode query in this function
        $query_encoded = urlencode($query);
        $post_string = "q=$query_encoded&p=$page&t=0";

        // Alternative frontends
        // Fuck the cookie abuse in API
        if (!isset($_COOKIE["disable_frontends"]))
        {
            $frontends = array(
                "invidious"=>null,
                "rimgo"=>null,
                "scribe"=>null,
                "gothub"=>null,
                "librarian"=>null,
                "nitter"=>null,
                "libreddit"=>null,
                "proxitok"=>null,
                "wikiless"=>null,
                "quetre"=>null,
                "libremdb"=>null,
                "breezewiki"=>null,
                "anonymousoverflow"=>null,
                "suds"=>null,
                "biblioreads"=>null
            );
            foreach ($frontends as $i => $value) {
                if (isset($_COOKIE[$i]))
                    $frontends[$i] = $_COOKIE[$i];
                else if (!empty($config->frontends[$i]["instance_url"]))
                    $frontends[$i] = $config->frontends[$i]["instance_url"];
            }
            $cookies=array_merge($cookies, $frontends);
        }
        else
            $cookies=array_merge($cookies, array("disable_frontends"=>$_COOKIE["disable_frontends"]));

        $api_ch = curl_init($url);
        curl_setopt_array($api_ch, $config->curl_settings);
        curl_setopt($api_ch, CURLOPT_CUSTOMREQUEST, "POST");
        //curl_setopt($api_ch, CURLOPT_POST, true);
        curl_setopt($api_ch, CURLOPT_COOKIE, urldecode(http_build_query($cookies, '', ';')));
        curl_setopt($api_ch, CURLOPT_POSTFIELDS, $post_string);
        $results = json_decode(curl_exec($api_ch),true);

        // In case some instances were broken...
        if($results == null) $results = "$instance is broken";

        return $results;
    }

    function print_text_results($results)
    {
        $special = $results[0];
        if (array_key_exists("special_response", $special))
        {
            $response = $special["special_response"]["response"];
            $source = $special["special_response"]["source"];

            echo "<p class=\"special-result-container\">";
            if (array_key_exists("image", $special["special_response"]))
            {
                $image_url = $special["special_response"]["image"];
                echo "<img src=\"image_proxy.php?url=$image_url\">";
            }
            echo $response;
            if ($source)
                echo "<a href=\"" . htmlspecialchars($source) . "\" target=\"_blank\">" . htmlspecialchars($source) . "</a>";
            echo "</p>";

            array_shift($results);
        }

        echo "<div class=\"text-result-container\">";

        foreach($results as $result)
        {
            $title = $result["title"];
            $url = $result["url"];
            $base_url = $result["base_url"];
            $description = $result["description"];

            echo "<div class=\"text-result-wrapper\">";
            echo "<a href=\"$url\">";
            echo "$base_url";
            echo "<h2>$title</h2>";
            echo "</a>";
            echo "<span>$description</span>";
            echo "</div>";
        }

        echo "</div>";
    }
?>