<?php
/**
 * PHPWord
 *
 * @link        https://github.com/PHPOffice/PHPWord
 * @copyright   2014 PHPWord
 * @license     http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
 */

namespace PhpOffice\PhpWord\Writer\Word2007\Style;

use PhpOffice\PhpWord\PhpWord;

/**
 * Font style writer
 *
 * @since 0.10.0
 */
class Font extends AbstractStyle
{
    /**
     * Is inline in element
     *
     * @var bool
     */
    private $isInline = false;

    /**
     * Write style
     */
    public function write()
    {
        $isStyleName = $this->isInline && !is_null($this->style) && is_string($this->style);
        if ($isStyleName) {
            $this->xmlWriter->startElement('w:rPr');
            $this->xmlWriter->startElement('w:rStyle');
            $this->xmlWriter->writeAttribute('w:val', $this->style);
            $this->xmlWriter->endElement();
            $this->xmlWriter->endElement();
        } else {
            $this->writeStyle();
        }
    }

    /**
     * Write full style
     */
    private function writeStyle()
    {
        if (!($this->style instanceof \PhpOffice\PhpWord\Style\Font)) {
            return;
        }

        $font = $this->style->getName();
        $bold = $this->style->getBold();
        $italic = $this->style->getItalic();
        $color = $this->style->getColor();
        $size = $this->style->getSize();
        $fgColor = $this->style->getFgColor();
        $bgColor = $this->style->getBgColor();
        $strikethrough = $this->style->getStrikethrough();
        $underline = $this->style->getUnderline();
        $superscript = $this->style->getSuperScript();
        $subscript = $this->style->getSubScript();
        $hint = $this->style->getHint();

        $this->xmlWriter->startElement('w:rPr');

        // Font
        if ($font != PhpWord::DEFAULT_FONT_NAME) {
            $this->xmlWriter->startElement('w:rFonts');
            $this->xmlWriter->writeAttribute('w:ascii', $font);
            $this->xmlWriter->writeAttribute('w:hAnsi', $font);
            $this->xmlWriter->writeAttribute('w:eastAsia', $font);
            $this->xmlWriter->writeAttribute('w:cs', $font);
            //Font Content Type
            if ($hint != PhpWord::DEFAULT_FONT_CONTENT_TYPE) {
                $this->xmlWriter->writeAttribute('w:hint', $hint);
            }
            $this->xmlWriter->endElement();
        }


        // Color
        if ($color != PhpWord::DEFAULT_FONT_COLOR) {
            $this->xmlWriter->startElement('w:color');
            $this->xmlWriter->writeAttribute('w:val', $color);
            $this->xmlWriter->endElement();
        }

        // Size
        if ($size != PhpWord::DEFAULT_FONT_SIZE) {
            $this->xmlWriter->startElement('w:sz');
            $this->xmlWriter->writeAttribute('w:val', $size * 2);
            $this->xmlWriter->endElement();
            $this->xmlWriter->startElement('w:szCs');
            $this->xmlWriter->writeAttribute('w:val', $size * 2);
            $this->xmlWriter->endElement();
        }

        // Bold
        if ($bold) {
            $this->xmlWriter->writeElement('w:b', null);
        }

        // Italic
        if ($italic) {
            $this->xmlWriter->writeElement('w:i', null);
            $this->xmlWriter->writeElement('w:iCs', null);
        }

        // Underline
        if (!is_null($underline) && $underline != 'none') {
            $this->xmlWriter->startElement('w:u');
            $this->xmlWriter->writeAttribute('w:val', $underline);
            $this->xmlWriter->endElement();
        }

        // Strikethrough
        if ($strikethrough) {
            $this->xmlWriter->writeElement('w:strike', null);
        }

        // Foreground-Color
        if (!is_null($fgColor)) {
            $this->xmlWriter->startElement('w:highlight');
            $this->xmlWriter->writeAttribute('w:val', $fgColor);
            $this->xmlWriter->endElement();
        }

        // Background-Color
        if (!is_null($bgColor)) {
            $this->xmlWriter->startElement('w:shd');
            $this->xmlWriter->writeAttribute('w:val', "clear");
            $this->xmlWriter->writeAttribute('w:color', "auto");
            $this->xmlWriter->writeAttribute('w:fill', $bgColor);
            $this->xmlWriter->endElement();
        }

        // Superscript/subscript
        if ($superscript || $subscript) {
            $this->xmlWriter->startElement('w:vertAlign');
            $this->xmlWriter->writeAttribute('w:val', $superscript ? 'superscript' : 'subscript');
            $this->xmlWriter->endElement();
        }

        $this->xmlWriter->endElement();
    }

    /**
     * Set is inline
     *
     * @param bool $value
     */
    public function setIsInline($value)
    {
        $this->isInline = $value;
    }
}