<?php

class RiotRequest {

	protected string $endpoint;
	protected array $headers = array();
	protected array $queries = array();
	protected string $host = "https://euw1.api.riotgames.com";
	public array $responseHeader = array();
	public int $responseCode;
	private bool $isEUNE;
	private bool $usesRouting = false;

	public function __construct($endpoint, $isEUNE=false) {
		$this->endpoint = $endpoint;
		$this->isEUNE = $isEUNE;
		if ($isEUNE){
			$this->host = "https://eun1.api.riotgames.com";
		}
	}

	public function useRouting(): void {
		$this->host = "https://europe.api.riotgames.com";
		$this->usesRouting = true;
	}

	public function setHeaders($headers): void {
		$this->headers = $headers;
	}

	public function setQueries($queries): void {
		$this->queries = $queries;
	}

	protected function getHeaderString(): string {
		$api_key = getenv("RIOT_API_KEY");
		$header = "X-Riot-Token: $api_key\r\n";
		foreach ($this->headers as $key => $value) {
			$header .= "$key: $value\r\n";
		}
		return $header;
	}

	private function getFinalURL(): string {
		$queryString = "?";
		foreach ($this->queries as $key => $value) {
			$queryString .= "$key=$value&";
		}
		$url = $this->host . "/" . $this->endpoint . $queryString;
		return str_replace(" ", "", $url);
	}

	public function run(&$successWithEUNE=false) {
		$opts = [
			"http" => [
				"method" => "GET",
				"header" => $this->getHeaderString()
			]
		];
		$context = stream_context_create($opts);
		$url = $this->getFinalURL();
		$result = @file_get_contents($url, false, $context);
		$this->responseHeader = $http_response_header;
		preg_match_all("/HTTP\/\d\.\d\s+(\d+)\s+/", $this->responseHeader[0], $matches);
		$this->responseCode = intval($matches[1][0]);

		if ($this->responseCode == 404 && !$this->isEUNE && !$this->usesRouting) {
			$this->isEUNE = true;
			$this->host = "https://eun1.api.riotgames.com";
			return $this->run($successWithEUNE);
		}

		$successWithEUNE = $this->isEUNE;

		return json_decode($result);
	}

}