<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2015 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: yunwuxin <448901948@qq.com>
// +----------------------------------------------------------------------

namespace think\composer;

use Composer\Package\PackageInterface;
use Composer\Repository\InstalledRepositoryInterface;

class ThinkExtend extends LibraryInstaller
{
    public function install(InstalledRepositoryInterface $repo, PackageInterface $package)
    {
        return parent::install($repo, $package)
            ->then(function () use ($package) {
                $this->copyExtraFiles($package);
            });
    }

    public function update(InstalledRepositoryInterface $repo, PackageInterface $initial, PackageInterface $target)
    {
        return parent::update($repo, $initial, $target)
            ->then(function () use ($target) {
                $this->copyExtraFiles($target);
            });
    }

    protected function copyExtraFiles(PackageInterface $package)
    {
        if ($this->composer->getPackage()->getType() == 'project') {

            $extra = $package->getExtra();

            if (!empty($extra['think-config'])) {

                $configDir = 'config';

                $this->filesystem->ensureDirectoryExists($configDir);

                //配置文件
                foreach ((array) $extra['think-config'] as $name => $config) {
                    $target = $configDir . DIRECTORY_SEPARATOR . $name . '.php';
                    $source = $this->getInstallPath($package) . DIRECTORY_SEPARATOR . $config;

                    if (is_file($target)) {
                        $this->io->write("<info>File {$target} exist!</info>");
                        continue;
                    }

                    if (!is_file($source)) {
                        $this->io->write("<info>File {$target} not exist!</info>");
                        continue;
                    }

                    copy($source, $target);
                }
            }
        }
    }

    public function supports($packageType)
    {
        return 'think-extend' === $packageType;
    }
}