#!/usr/bin/env php

<?php

use function Differ\Differ\genDiff;

$autoloadPath1 = __DIR__ . '/../../../autoload.php';
$autoloadPath2 = __DIR__ . '/../vendor/autoload.php';


if (file_exists($autoloadPath1)) {
    require_once $autoloadPath1;
} else {
    require_once $autoloadPath2;
}

const DOC = <<<DOC
Generate diff

Usage:
  gendiff (-h|--help)
  gendiff (-v|--version)
  gendiff [--format <fmt>] <firstFile> <secondFile>

Options:
  -h --help                     Show this screen
  -v --version                  Show version
  --format <fmt>                Report format [default: stylish]
DOC;

$args = Docopt::handle(DOC, array('version' => '1.0'));

$format = $args['--format'];
$firstFilePath = realpath($args['<firstFile>']);
$secondFilePath = realpath($args['<secondFile>']);

echo genDiff($firstFilePath, $secondFilePath, $format);
