<?php

/*
	This test file puts the PATRICIA trie to the test by running a million lookups on a handful
	of routes. The routes are read from two files, blog.txt and github.txt, and added to two separate
	routers and two separate arrays. The lookups are then run in two separate loops, one for each router.
	Each lookup is timed and the memory usage is also printed out at regular intervals.
	The requests are randomly picked from the array of routes.
*/

require_once __DIR__ . '/../TrieRouter.php';
require_once 'tools.php';

// Blog router
$b = new TrieRouter();
$blog = readAndAddRoutes('blog.txt', $b);

// Github router
$g = new TrieRouter();
$github = readAndAddRoutes('github.txt', $g);

// Big router
$big = new TrieRouter();
$bigRoutes = readAndAddRoutes('big.txt', $big);

function runIterations(int $iterations, TrieRouter $r, array $routes) {
	echo "Running $iterations iterations\n";
	$start = microtime(true);
	$interval = $iterations / 10;
	for ($i = 0; $i < $iterations; $i++) {
		// pick a random route from the array
		[$method, $uri] = $routes[array_rand($routes)];
		$res = $r->handleRequest($method, $uri);
		if ($res !== true) {
			echo "Failed to handle request for $uri\n";
			exit(1);
		}
		if ($i !== 0 && $i % ($interval) === 0) echoMemoryAndTime($i, $start);
	}
	echo "Time: " . Color::cyan(number_format(microtime(true) - $start, 10) . " s\n");
	// echo the average time per request
	echo "Avg/lookup: " . Color::yellow(number_format((microtime(true) - $start) / $iterations, 10) . " s\n");
	echo "\n";
}

echoTitle("Starting blog lookups");
runIterations(100000, $b, $blog);
runIterations(1000000, $b, $blog);

echoTitle("Starting github lookups");
runIterations(10000, $g, $github);
runIterations(100000, $g, $github);
runIterations(1000000, $g, $github);

echoTitle("Starting big lookups");
runIterations(10000, $big, $bigRoutes);
runIterations(100000, $big, $bigRoutes);
runIterations(1000000, $big, $bigRoutes);

exit(0);