<?php
/*
 * Copyright 2018, Google Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

use Sami\Sami;
use Sami\Version\GitVersionCollection;
use Symfony\Component\Finder\Finder;

function checkPhpVersion()
{
    // Verify that we are running PHP 7 or above
    if (version_compare(phpversion(), '7', '<')) {
        throw new RuntimeException("PHP must be >= 7.0 to build docs, found version " . phpversion());
    }
}

function buildConfigForVersion($version)
{
    $gaxRootDir = realpath(__DIR__ . '/..');
    $iterator = Finder::create()
        ->files()
        ->name('*.php')
        ->exclude('GPBMetadata')
        ->in($dir = "$gaxRootDir/src")
    ;

    return new Sami($iterator, array(
        'title'                => "Common Protos PHP - $version",
        'version'              => $version,
        'build_dir'            => "$gaxRootDir/tmp_gh-pages/%version%",
        'cache_dir'            => "$gaxRootDir/cache/%version%",
        'default_opened_level' => 1,
    ));
}

checkPhpVersion();

$currentVersion = getenv('COMMON_PROTOS_DOCS_VERSION');

return buildConfigForVersion($currentVersion);