<?php

namespace top\library\template\driver;

use top\library\template\ifs\TemplateIfs;
use top\traits\Instance;

class Smarty implements TemplateIfs
{

    use Instance;

    private $config = [];

    private $smarty;

    public function run()
    {
        $this->config = \config('view');
        $this->smarty = new \Smarty();
        $this->smarty->setCacheDir($this->config['cache_path']);
        $this->smarty->setCompileDir($this->config['compile_path']);
        return $this;
    }

    public function cache($status)
    {
        $time = (isset($this->config['expire'])) ? $this->config['expire'] : \Smarty::CACHING_LIFETIME_CURRENT;
        $this->smarty->setCaching($time);
        return true;
    }

    public function fetch($file, $params, $cache)
    {
        foreach ($params as $k => $v) {
            $this->smarty->assign($k, $v);
        }
        $templateFile = $this->config['path'] . $file . '.' . ltrim($this->config['ext'], '.');
        return $this->smarty->fetch($templateFile);
    }
}