<?php

require('header_auth.php');
header_auth('Qnb7jfeGZM');

require('http_errors.php');

if (empty($_FILES['file'])) {
	HttpResponse::bad_request()->set_and_exit();
}

try {
	define('TARGET_DIR', 'computed_uploads/');
	define('GZREAD_BUFFER_SIZE', 4096);

	$gz_target_filename = TARGET_DIR . basename($_FILES['file']['name']);

	if (!move_uploaded_file($_FILES['file']['tmp_name'], $gz_target_filename)) {
		HttpResponse::internal_server_error()->set_and_exit();
	}

	$gz_fd = gzopen($gz_target_filename, 'rb');

	$ungzip_target_filename = str_replace('.gz', '',
		str_replace('.gzip', '', $gz_target_filename));
	$ungzip_fd = fopen($ungzip_target_filename, 'wb');

	while (!gzeof($gz_fd)) {
		fwrite($ungzip_fd, gzread($gz_fd, GZREAD_BUFFER_SIZE));
	}

	unlink($gz_target_filename);

	$clear_before = isset($_GET['clear']) && $_GET['clear'] == 1;;

	require('save_computed_data_to_db.php');
	if (isset($_POST['userdata'])) {
		save_computed_data_to_db($ungzip_target_filename, $clear_before, $_POST['userdata']);
	} else {
		save_computed_data_to_db($ungzip_target_filename, $clear_before);
	}
} catch (Exception $e) {
	error_log($e->getMessage());
	HttpResponse::internal_server_error()->set_and_exit();
} finally {
	if (isset($gz_fd)) {
		gzclose($gz_fd);
	}
	if (isset($ungzip_fd)) {
		fclose($ungzip_fd);
	}
}