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<?php

    namespace Deliverist\Builder\Commands;

    use Deliverist\Builder\Builder;
    use Deliverist\Builder\InvalidArgumentException;
    use Deliverist\Builder\FileSystemException;
    use Deliverist\Builder\ICommand;
    use Nette\Utils\FileSystem;


    class ReplaceContent implements ICommand
    {
        /**
         * @param  Builder
         * @param  string
         * @param  array
         */
        public function run(Builder $builder, $file = NULL, array $replacements = array())
        {
            if (!isset($file)) {
                throw new InvalidArgumentException("Missing parameter 'file'.");
            }

            $path = $builder->getPath($file);

            if (!is_file($path)) {
                throw new FileSystemException("File '$file' not found.");
            }

            $content = file_get_contents($path);
            $content = strtr($content, $replacements);
            file_put_contents($path, $content);
        }
    }