<?php

namespace Box\Spout\Writer\Style;

use Box\Spout\Writer\Exception\Border\InvalidNameException;
use Box\Spout\Writer\Exception\Border\InvalidStyleException;
use Box\Spout\Writer\Exception\Border\InvalidWidthException;

/**
 * Class BorderPart
 */
class BorderPart {

	/**
	 * @var string The style of this border part.
	 */
	protected $style;

	/**
	 * @var string The name of this border part.
	 */
	protected $name;

	/**
	 * @var string The color of this border part.
	 */
	protected $color;

	/**
	 * @var string The width of this border part.
	 */
	protected $width;

	/**
	 * @var array Allowed style constants for parts.
	 */
	protected static $allowedStyles = array(
		'none',
		'solid',
		'dashed',
		'dotted',
		'double',
	);

	/**
	 * @var array Allowed names constants for border parts.
	 */
	protected static $allowedNames = array(
		'left',
		'right',
		'top',
		'bottom',
	);

	/**
	 * @var array Allowed width constants for border parts.
	 */
	protected static $allowedWidths = array(
		'thin',
		'medium',
		'thick',
	);

	/**
	 * @param string $name @see  BorderPart::$allowedNames
	 * @param string $color A RGB color code
	 * @param string $width @see BorderPart::$allowedWidths
	 * @param string $style @see BorderPart::$allowedStyles
	 * @throws InvalidNameException
	 * @throws InvalidStyleException
	 * @throws InvalidWidthException
	 */
	public function __construct( $name, $color = Color::BLACK, $width = Border::WIDTH_MEDIUM, $style = Border::STYLE_SOLID ) {
		$this->setName( $name );
		$this->setColor( $color );
		$this->setWidth( $width );
		$this->setStyle( $style );
	}

	/**
	 * @return string
	 */
	public function getName() {
		 return $this->name;
	}

	/**
	 * @param string $name The name of the border part @see BorderPart::$allowedNames
	 * @throws InvalidNameException
	 * @return void
	 */
	public function setName( $name ) {
		if ( ! in_array( $name, self::$allowedNames ) ) {
			throw new InvalidNameException( $name );
		}
		$this->name = $name;
	}

	/**
	 * @return string
	 */
	public function getStyle() {
		return $this->style;
	}

	/**
	 * @param string $style The style of the border part @see BorderPart::$allowedStyles
	 * @throws InvalidStyleException
	 * @return void
	 */
	public function setStyle( $style ) {
		if ( ! in_array( $style, self::$allowedStyles ) ) {
			throw new InvalidStyleException( $style );
		}
		$this->style = $style;
	}

	/**
	 * @return string
	 */
	public function getColor() {
		return $this->color;
	}

	/**
	 * @param string $color The color of the border part @see Color::rgb()
	 * @return void
	 */
	public function setColor( $color ) {
		$this->color = $color;
	}

	/**
	 * @return string
	 */
	public function getWidth() {
		return $this->width;
	}

	/**
	 * @param string $width The width of the border part @see BorderPart::$allowedWidths
	 * @throws InvalidWidthException
	 * @return void
	 */
	public function setWidth( $width ) {
		if ( ! in_array( $width, self::$allowedWidths ) ) {
			throw new InvalidWidthException( $width );
		}
		$this->width = $width;
	}

	/**
	 * @return array
	 */
	public static function getAllowedStyles() {
		 return self::$allowedStyles;
	}

	/**
	 * @return array
	 */
	public static function getAllowedNames() {
		return self::$allowedNames;
	}

	/**
	 * @return array
	 */
	public static function getAllowedWidths() {
		 return self::$allowedWidths;
	}
}