<?php

namespace Box\Spout\Writer\XLSX\Helper;

use Box\Spout\Writer\Style\Border;
use Box\Spout\Writer\Style\BorderPart;

class BorderHelper
{
    public static $xlsxStyleMap = [
        Border::STYLE_SOLID => [
            Border::WIDTH_THIN => 'thin',
            Border::WIDTH_MEDIUM => 'medium',
            Border::WIDTH_THICK => 'thick'
        ],
        Border::STYLE_DOTTED => [
            Border::WIDTH_THIN => 'dotted',
            Border::WIDTH_MEDIUM => 'dotted',
            Border::WIDTH_THICK => 'dotted',
        ],
        Border::STYLE_DASHED => [
            Border::WIDTH_THIN => 'dashed',
            Border::WIDTH_MEDIUM => 'mediumDashed',
            Border::WIDTH_THICK => 'mediumDashed',
        ],
        Border::STYLE_DOUBLE => [
            Border::WIDTH_THIN => 'double',
            Border::WIDTH_MEDIUM => 'double',
            Border::WIDTH_THICK => 'double',
        ],
        Border::STYLE_NONE => [
            Border::WIDTH_THIN => 'none',
            Border::WIDTH_MEDIUM => 'none',
            Border::WIDTH_THICK => 'none',
        ],
    ];

    /**
     * @param BorderPart $borderPart
     * @return string
     */
    public static function serializeBorderPart(BorderPart $borderPart)
    {
        $borderStyle = self::getBorderStyle($borderPart);

        $colorEl = $borderPart->getColor() ? sprintf('<color rgb="%s"/>', $borderPart->getColor()) : '';
        $partEl = sprintf(
            '<%s style="%s">%s</%s>',
            $borderPart->getName(),
            $borderStyle,
            $colorEl,
            $borderPart->getName()
        );

        return $partEl . PHP_EOL;
    }

    /**
     * Get the style definition from the style map
     *
     * @param BorderPart $borderPart
     * @return string
     */
    protected static function getBorderStyle(BorderPart $borderPart)
    {
        return self::$xlsxStyleMap[$borderPart->getStyle()][$borderPart->getWidth()];
    }
}
