<?php
class GoPage {
    private $page;
    private $socket;
    private $template;
    
    public function __construct($page, $socket = "/home/lizzy/fruitvote/http.sock", $template = "../template.html") {
        $this->page = $page;
        $this->socket = $socket;
        $this->template = $template;

        for ($i = 0; $i < 10; $i++) {
            if (file_exists($socket)) {
                break;
            }
            usleep(100_000); // wait 100ms
        }
    }

    public function go() {
        $ch = curl_init();
        $url = "http://localhost".$this->page;
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_UNIX_SOCKET_PATH, $this->socket);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

        // forward query params
        $query = $_SERVER['QUERY_STRING'];
        if ($query) {
            curl_setopt($ch, CURLOPT_URL, $url."?".$query);
        }

        //forward post data
        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            curl_setopt($ch, CURLOPT_POST, 1);
            curl_setopt($ch, CURLOPT_POSTFIELDS, file_get_contents('php://input'));
        }
        

        $output = curl_exec($ch);
        curl_close($ch);


        return $output;
    }

    public function render() {
        $response = $this->go();
        $template = file_get_contents($this->template);
        return str_replace("{{content}}", $response, $template);
    }
}