<?php

namespace Trinity\Component\Utils;

class Image
{
    protected $tool;
    protected $image;

    public function __construct()
    {
        $this->tool = new \Imagick();
    }

    public function getTool()
    {
        return $this->tool;
    }

    public function setTool(\Imagick $tool)
    {
        $this->tool = $tool;
    }

    public function setCompressionQuality($compression_quality)
    {
        $this->getTool()->setCompressionQuality($compression_quality);

        return $this;
    }

    public function setImage($image)
    {
        $this->image = $image;

        return $this;
    }

    public function setImageColorSpace($colorSpace)
    {
        $this->getTool()->setimagecolorspace($colorSpace);

        return $this;
    }

    public function contrastImage($times, $type)
    {
        for ($i = 1; $i <= $times; $i++) {
            $this->getTool()->contrastimage($type);
        }

        return $this;
    }

    public function modulateImage($brightness, $saturation, $hue)
    {
        $this->getTool()->modulateimage($brightness, $saturation, $hue);

        return $this;

    }

    public static function create($image = null)
    {
        $self = new self();

        $self->setImage($image);
        $class = get_class($self->getTool());
        $self->getTool()->addImage(new $class($image));

        return $self;
    }

    public function crop($width, $height, $x, $y)
    {
        $this->getTool()->cropImage($width, $height, $x, $y);

        return $this;
    }

    public function thumb($max_width, $max_height, $filter = \Imagick::FILTER_LANCZOS, $blur = 1)
    {
        $sizes = $this->getTool()->getImageGeometry();

        list($width, $height) = array($sizes['width'], $sizes['height']);

        if ($width > $max_width) {
            $new_width = $max_width;
            $new_height = $height * $new_width / $width;
        } elseif ($height > $max_height) {
            $new_height = $max_height;
            $new_width = $width * $new_height / $height;
        } else {
            return $this;
        }

        $this->getTool()->resizeImage($new_width, $new_height, $filter, $blur, true);

        return $this;
    }

    public function resizeRatio($max_width, $max_height, $filter = \Imagick::FILTER_LANCZOS, $blur = 1)
    {
        $sizes = $this->getTool()->getImageGeometry();

        list($width, $height) = array($sizes['width'], $sizes['height']);

        $ratioImage = $width/$height;
        $ratio = $max_width/$max_height;

        if ($ratioImage < $ratio) {
            $new_width = $max_width;
            $new_height = $height * $new_width / $width;
        } elseif ($ratioImage > $ratio) {
            $new_height = $max_height;
            $new_width = $width * $new_height / $height;
        } else {
            $new_width = $max_width;
            $new_height = $max_height;
        }

        $this->getTool()->resizeImage($new_width, $new_height, $filter, $blur, true);

        return $this;
    }

    public function resizeImage($max_width, $max_height, $filter = \Imagick::FILTER_LANCZOS, $blur = 1)
    {
        $this->getTool()->resizeImage($max_width, $max_height, $filter, $blur, true);

        return $this;
    }

    public function autoRotate()
    {
        $orientation = $this->getTool()->getImageOrientation();

        switch ($orientation) {
            case \Imagick::ORIENTATION_BOTTOMRIGHT:
                $this->getTool()->rotateimage("#000", 180); // rotate 180 degrees
                break;

            case \Imagick::ORIENTATION_RIGHTTOP:
                $this->getTool()->rotateimage("#000", 90); // rotate 90 degrees CW
                break;

            case \Imagick::ORIENTATION_LEFTBOTTOM:
                $this->getTool()->rotateimage("#000", -90); // rotate 90 degrees CCW
                break;
        }

        $this->getTool()->setImageOrientation(\Imagick::ORIENTATION_TOPLEFT);

        return $this;

    }

    public function save($output = null)
    {
        if (null === $output) {
            $output = $this->image;
        }

        //$this->getTool()->setCompressionQuality($this->getCompressionQuality());

        /**
         * Should be $this->getTool()->writetImage($output);
         * but it does not work (Undefined Method)
         * Bug #61879
         */
        $handle = fopen($output, 'w');
        fwrite($handle, $this->getTool()->getImageBlob());
    }
}