<?php
class Brave implements Search {
	private $key = BRAVE_API_KEY;
	private $base_url = BRAVE_BASE;
	private $q_prefix = '?q=';
	private $count_prefix = '&count=';
	private $adultPrefix = '&safesearch=';

	private $word;
	private $start;
	private $size;
	private $myCurl;

	public function __construct() {
		if (ZAP_ADULT == true) {
			$this->adultPrefix .= 'off';
		} else {
			$this->adultPrefix .= 'strict';
		}
	}

	public function setQuery($word) {
		$this->word = $word;

		$request = $this->q_prefix . urlencode($word);
		if (isset($this->start)) {
			$request .= '&offset=' . $this->start;
		}
		$request .= $this->count_prefix . (isset($this->size) ? (int)$this->size : 3);
		$request .= $this->adultPrefix;

		$this->myCurl = new ZAPCurl($this->base_url . $request, false);
		$this->myCurl->setHeader('X-Subscription-Token', $this->key);
		$this->myCurl->setHeader('Accept', 'application/json');
	}

	public function setParam($key, $value) {
		$this->$key = $value;
	}

	public function getData() {
		$return_array = $this->prepareData();
		return $return_array;
	}

	/**
	 * Prepare a project wide universal array with results
	 */
	private function prepareData() {
		$json = $this->myCurl->fetchCurlData();
		$se_data = json_decode($json, true);

		if (!isset($se_data['results'][0]['properties']['url'])) {
			$data['result'] = false;
			return $data;
		}

		$data['result'] = true;
		$data['engine'] = __CLASS__;
		$i = 0;
		foreach($se_data['results'] as $result) {
			$data['results'][$i]['clickurl'] = $result['properties']['url'];
			$data['results'][$i]['referer'] = isset($result['url']) ? $result['url'] : '';
			$data['results'][$i]['thumb'] = isset($result['thumbnail']['src']) ? $result['thumbnail']['src'] : '';
			$i++;
		}
		return $data;
	}
}
?>