<?php

class Route {
	public $method = "GET";
	public $pattern = "";
	public $function = null;
	public $auth = false;
	public $args = [];

	function __construct($m, $p, $f, $a = false) {
		$this->method = $m;
		$this->pattern = $p;
		$this->function = $f;
		$this->auth = $a;
	}

	function matches($m, $path) {

		if ($this->auth != false) {
	
			if ($this->auth instanceof \Closure) {
				if (!$this->auth->call($this)) {
					return false;
				}
			}

			if (is_array($this->auth)) {
				$c = $this->auth[0];
				$f = $this->auth[1];
				if (!$c::$f()) {
					return false;
				}
			}

		}

		if (strtolower($m) != strtolower($this->method)) return false;
		$src_parts = explode("/", $path);
		$dst_parts = explode("/", $this->pattern);

		if (count($src_parts) != count($dst_parts)) {
			return false;
		}

		$this->args = [];
		for ($i = 0; $i < count($src_parts); $i++) {
			$sp = $src_parts[$i];
			$dp = $dst_parts[$i];
			if (preg_match('/^{(.*)}$/', $dp, $m)) {
				$this->args[$m[1]] = $sp;
				continue;
			}
			if ($sp != $dp) {
				return false;
			}
		}
		return true;
	}

	function get_args() {
		return $this->args;
	}

	function call($req) {
		if ($this->function instanceof \Closure) {

//			$fargs = func_get_args($this->function);
//			if (in_array("_request", $fargs)) {
//				$this->args["_request"] = $req;
//			}

			$ref = new ReflectionFunction($this->function);
			foreach ($ref->getParameters() as $arg) {
				if ($arg->name == "_request") {
					$this->args["_request"] = $req;
				}
			}

			return $this->function->call($this, ...$this->args);
		}

		if (is_array($this->function)) {
			$c = $this->function[0];
			$f = $this->function[1];
			$ref = new ReflectionMethod($c, $f);
			foreach ($ref->getParameters() as $arg) {
				if ($arg->name == "_request") {
					$this->args["_request"] = $req;
				}
			}
			

			return $c::$f(...$this->args);
		}

		return [404, "Not Found"];
	}
}