#!/usr/bin/env php
<?php
/* (c) Anton Medvedev <anton@medv.io>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

// Deployer constants
define('DEPLOYER', true);
define('DEPLOYER_BIN', __FILE__);

// Detect deploy.php script
$options = getopt('f::', ['file::']);
$userSpecifiedFile = null;

if (isset($options['f'])) {
    $userSpecifiedFile = $options['f'];
} elseif (isset($options['file'])) {
    $userSpecifiedFile = $options['file'];
}

if (empty($userSpecifiedFile)) {
    $deployFile = getcwd() . '/deploy.php';

    if (!is_readable($deployFile)) {
        $currentDir = getcwd();
        $count = 0;
        do {
            $currentDir = dirname($currentDir);
            $deployFile = $currentDir . '/deploy.php';
            $count++;
        } while (!is_readable($deployFile) && $count < 100);
    }
} else {
    $deployFile = ($userSpecifiedFile[0] === '/' ? '' : getcwd() . '/') . $userSpecifiedFile;
}

$deployFilePath = dirname($deployFile);

// Detect source location

$autoload = [
    $deployFilePath . '/vendor/autoload.php',
    __DIR__ . '/../../../autoload.php',
    __DIR__ . '/../vendor/autoload.php'
];

$includes = [
    $deployFilePath . '/vendor/deployer/deployer',
    __DIR__ . '/../../../deployer/deployer',
    __DIR__ . '/../'
];

$loaded = false;
$includePath = false;

for ($i = 0; $i < count($autoload); $i++) {
    if (file_exists($autoload[$i]) && file_exists($includes[$i])) {
        require $autoload[$i];
        $includePath = $includes[$i];
        $loaded = true;
        break;
    }
}

if (!$loaded) {
    die(
        'You need to set up the project dependencies using the following commands:' . PHP_EOL .
        'wget http://getcomposer.org/composer.phar' . PHP_EOL .
        'php composer.phar install' . PHP_EOL
    );
}

// Setup include path
set_include_path($includePath . PATH_SEPARATOR . get_include_path());

// Detect version
$version = 'master';

$composerLockFile = $deployFilePath . '/composer.lock';
if (is_readable($composerLockFile)) {
    $lock = json_decode(file_get_contents($composerLockFile), true);
    foreach ($lock['packages'] as $package) {
        if ($package['name'] === 'deployer/deployer') {
            $version = $package['version'];
        }
    }
    foreach ($lock['packages-dev'] as $package) {
        if ($package['name'] === 'deployer/deployer') {
            $version = $package['version'];
        }
    }
}

// Init Deployer
$console = new \Deployer\Console\Application('Deployer', $version);
$input = new \Symfony\Component\Console\Input\ArgvInput();
$output = new \Symfony\Component\Console\Output\ConsoleOutput();
$deployer = new \Deployer\Deployer($console, $input, $output);

// Pretty-print uncaught exceptions in symfony-console
// SymfonyStyle was added in sf-console 2.7, therefore we feature detect first
if (class_exists('\Symfony\Component\Console\Style\SymfonyStyle')) {
    set_exception_handler(function($e) use ($input, $output) {
        $io = new \Symfony\Component\Console\Style\SymfonyStyle($input, $output);
        $io->error($e);
    });
}

// Require deploy.php file
if (is_readable($deployFile)) {
    // Prevent variable leak into deploy.php file
    call_user_func(function () use ($deployFile) {
        require $deployFile;
    });
}

// Run Deployer
$deployer->run();