<?php

namespace Izzle\IO;



use Izzle\IO\Exception\FileNotFoundException;

use Izzle\IO\Exception\ArgumentNullException;



class FileInfo

{

    protected $fullName;

    protected $name;

    protected $extension;

    protected $length;

    protected $changed;

    protected $accessed;

    protected $content;

    protected $directory;

    protected $exists;

    protected $isReadOnly;



    /**

     * @param $path

     * @param bool|true $directory

     * @throws ArgumentNullException

     */

    public function __construct($path, $directory = true)

    {

        if ($path === null) {

            throw new ArgumentNullException('path is null');

        }



        if (preg_match('/[\,\<\>\|]/', $path)) {

            throw new \InvalidArgumentException('invalid path characters');

        }



        $this->setFullName($path)

            ->setName(pathinfo($this->fullName, PATHINFO_FILENAME))

            ->setExists(file_exists($this->fullName))

            ->setExtension(pathinfo($this->fullName, PATHINFO_EXTENSION))

            ->setLength(0)

            ->setIsReadOnly(false);



        if ($directory) {

            $this->setDirectory(new DirectoryInfo(pathinfo($this->fullName, PATHINFO_DIRNAME), false));

        }

        

        $this->getInfos();

    }



    /**

     * @return bool

     */

    public function create()

    {

        if (!$this->exists) {

            if ($this->exists = touch($this->fullName)) {

                $this->getInfos();

            }



            return $this->exists;

        }



        return true;

    }



    /**

     * @return bool

     * @throws FileNotFoundException

     */

    public function delete()

    {

        if ($this->exists) {

            return unlink($this->fullName);

        } else {

            throw new FileNotFoundException("file '{$this->fullName}' not found");

        }

    }



    /**

     * @param $name

     * @return bool

     * @throws FileNotFoundException

     */

    public function rename($name)

    {

        if ($this->exists) {

            $newPath = Path::combine($this->getDirectory()->getFullName(), $name);

            if (rename($this->fullName, $newPath)) {

                $this->name = $name;

                $this->fullName = $newPath;



                return true;

            }



            return false;

        } else {

            throw new FileNotFoundException("file '{$this->fullName}' not found");

        }

    }



    /**

     * @param $name

     * @return bool

     * @throws FileNotFoundException

     */

    public function move($name)

    {

        if ($this->exists) {

            if (rename($this->fullName, $name)) {

                $this->name = basename($name);

                $this->fullName = $name;



                return true;

            }



            return false;

        } else {

            throw new FileNotFoundException("file '{$this->fullName}' not found");

        }

    }



    protected function getInfos()

    {

        if ($this->exists) {

            $this->setFullName($this->fullName)

                ->setIsReadOnly(!is_readable($this->fullName));



            $fileStats = stat($this->fullName);

            $this->setLength($fileStats[7]);

            $this->changed = new \DateTime('@' . $fileStats[9]);

            $this->accessed = new \DateTime('@' . $fileStats[8]);

        }

    }



    /**

     * Gets the filename.

     *

     * @return string

     */

    public function getFilename()

    {

        return sprintf('%s.%s', $this->name, $this->extension);

    }



    /**

     * Gets the value of fullName.

     *

     * @return string

     */

    public function getFullName()

    {

        return $this->fullName;

    }

    

    /**

     * Sets the value of fullName.

     *

     * @param string $fullName the full name

     *

     * @return self

     */

    public function setFullName($fullName)

    {

        $this->fullName = $fullName;



        return $this;

    }



    /**

     * Gets the value of name.

     *

     * @return string

     */

    public function getName()

    {

        return $this->name;

    }

    

    /**

     * Sets the value of name.

     *

     * @param string $name the name

     *

     * @return self

     */

    public function setName($name)

    {

        $this->name = $name;



        return $this;

    }



    /**

     * Gets the value of extension.

     *

     * @return string

     */

    public function getExtension()

    {

        return $this->extension;

    }

    

    /**

     * Sets the value of extension.

     *

     * @param string $extension the extension

     *

     * @return self

     */

    public function setExtension($extension)

    {

        $this->extension = $extension;



        return $this;

    }



    /**

     * Gets the value of length.

     *

     * @return int

     */

    public function getLength()

    {

        return $this->length;

    }

    

    /**

     * Sets the value of length.

     *

     * @param int $length the length

     *

     * @return self

     */

    public function setLength($length)

    {

        $this->length = (int) $length;



        return $this;

    }



    /**

     * Gets the value of changed.

     *

     * @return \DateTime

     */

    public function getChanged()

    {

        return $this->changed;

    }



    /**

     * Gets the value of accessed.

     *

     * @return \DateTime

     */

    public function getAccessed()

    {

        return $this->accessed;

    }



    /**

     * Gets the value of content.

     *

     * @return string

     */

    public function getContent()

    {

        if ($this->exists && $this->content === null) {

            $this->content = file_get_contents($this->fullName);

        }



        return $this->content;

    }

    

    /**

     * Sets the value of content.

     *

     * @param string $content the content

     *

     * @return self

     */

    public function setContent($content)

    {

        $this->content = $content;



        return $this;

    }



    /**

     * Writes content data to file

     *

     * @return bool / int

     */

    public function write()

    {

        if ($this->exists && $this->content !== null) {

            return file_put_contents($this->fullName, $this->content);

        }



        return false;

    }



    /**

     * Gets the value of directory.

     *

     * @return DirectoryInfo

     */

    public function getDirectory()

    {

        return $this->directory;

    }

    

    /**

     * Sets the value of directory.

     *

     * @param DirectoryInfo $directory the directory

     *

     * @return self

     */

    public function setDirectory(DirectoryInfo $directory)

    {

        $this->directory = $directory;



        return $this;

    }



    /**

     * Gets the value of exists.

     *

     * @return bool

     */

    public function getExists()

    {

        return $this->exists;

    }

    

    /**

     * Sets the value of exists.

     *

     * @param bool $exists the exists

     *

     * @return self

     */

    public function setExists($exists)

    {

        $this->exists = (bool) $exists;



        return $this;

    }



    /**

     * Gets the value of isReadOnly.

     *

     * @return bool

     */

    public function getIsReadOnly()

    {

        return $this->isReadOnly;

    }

    

    /**

     * Sets the value of isReadOnly.

     *

     * @param bool $isReadOnly the is read only

     *

     * @return self

     */

    public function setIsReadOnly($isReadOnly)

    {

        $this->isReadOnly = (bool)$isReadOnly;



        return $this;

    }

}