<?php

declare(strict_types=1);

namespace Intervention\Image\Drivers\Imagick\Modifiers;

use ImagickDraw;
use ImagickDrawException;
use ImagickException;
use Intervention\Image\Exceptions\ColorDecoderException;
use Intervention\Image\Exceptions\InvalidArgumentException;
use Intervention\Image\Exceptions\ModifierException;
use Intervention\Image\Exceptions\StateException;
use Intervention\Image\Interfaces\ImageInterface;
use Intervention\Image\Interfaces\SpecializedInterface;
use Intervention\Image\Modifiers\DrawBezierModifier as GenericDrawBezierModifier;

class DrawBezierModifier extends GenericDrawBezierModifier implements SpecializedInterface
{
    /**
     * @throws InvalidArgumentException
     * @throws ModifierException
     * @throws StateException
     * @throws ColorDecoderException
     */
    public function apply(ImageInterface $image): ImageInterface
    {
        if ($this->drawable->count() !== 3 && $this->drawable->count() !== 4) {
            throw new InvalidArgumentException('You must specify either 3 or 4 points to create a bezier curve');
        }

        $drawing = new ImagickDraw();

        if ($this->drawable->hasBackgroundColor()) {
            $backgroundColor = $this->driver()->colorProcessor($image)->export(
                $this->backgroundColor()
            );
        } else {
            $backgroundColor = 'transparent';
        }

        try {
            $drawing->setFillColor($backgroundColor);

            if ($this->drawable->hasBorder() && $this->drawable->borderSize() > 0) {
                $borderColor = $this->driver()->colorProcessor($image)->export(
                    $this->borderColor()
                );

                $drawing->setStrokeColor($borderColor);
                $drawing->setStrokeWidth($this->drawable->borderSize());
            }

            $drawing->pathStart();
            $drawing->pathMoveToAbsolute(
                $this->drawable->first()->x(),
                $this->drawable->first()->y()
            );
            if ($this->drawable->count() === 3) {
                $drawing->pathCurveToQuadraticBezierAbsolute(
                    $this->drawable->second()->x(),
                    $this->drawable->second()->y(),
                    $this->drawable->last()->x(),
                    $this->drawable->last()->y()
                );
            } elseif ($this->drawable->count() === 4) {
                $drawing->pathCurveToAbsolute(
                    $this->drawable->second()->x(),
                    $this->drawable->second()->y(),
                    $this->drawable->third()->x(),
                    $this->drawable->third()->y(),
                    $this->drawable->last()->x(),
                    $this->drawable->last()->y()
                );
            }
            $drawing->pathFinish();

            foreach ($image as $frame) {
                $result = $frame->native()->drawImage($drawing);
                if ($result === false) {
                    throw new ModifierException(
                        'Failed to apply ' . self::class . ', unable to draw bezier curve',
                    );
                }
            }
        } catch (ImagickException | ImagickDrawException $e) {
            throw new ModifierException(
                'Failed to apply ' . self::class . ', unable to draw bezier curve',
                previous: $e,
            );
        }

        return $image;
    }
}
