// Copyright 2017 FoxyUtils ehf. All rights reserved.
//
// Use of this source code is governed by the terms of the Affero GNU General
// Public License version 3.0 as published by the Free Software Foundation and
// appearing in the file LICENSE included in the packaging of this file. A
// commercial license can be purchased on https://unidoc.io.

package drawing

import (
	"github.com/unidoc/unioffice"
	"github.com/unidoc/unioffice/schema/soo/dml"
)

// ParagraphProperties allows controlling paragraph properties.
type ParagraphProperties struct {
	x *dml.CT_TextParagraphProperties
}

// MakeParagraphProperties constructs a new ParagraphProperties wrapper.
func MakeParagraphProperties(x *dml.CT_TextParagraphProperties) ParagraphProperties {
	return ParagraphProperties{x}
}

// X returns the inner wrapped XML type.
func (p ParagraphProperties) X() *dml.CT_TextParagraphProperties {
	return p.x
}

// SetBulletFont controls the font for the bullet character.
func (p ParagraphProperties) SetBulletFont(f string) {
	if f == "" {
		p.x.BuFont = nil
	} else {
		p.x.BuFont = dml.NewCT_TextFont()
		p.x.BuFont.TypefaceAttr = f
	}
}

// SetBulletChar sets the bullet character for the paragraph.
func (p ParagraphProperties) SetBulletChar(c string) {
	if c == "" {
		p.x.BuChar = nil
	} else {
		p.x.BuChar = dml.NewCT_TextCharBullet()
		p.x.BuChar.CharAttr = c
	}
}

// SetLevel sets the level of indentation of a paragraph.
func (p ParagraphProperties) SetLevel(idx int32) {
	p.x.LvlAttr = unioffice.Int32(idx)
}

// SetNumbered controls if bullets are numbered or not.
func (p ParagraphProperties) SetNumbered(scheme dml.ST_TextAutonumberScheme) {
	if scheme == dml.ST_TextAutonumberSchemeUnset {
		p.x.BuAutoNum = nil
	} else {
		p.x.BuAutoNum = dml.NewCT_TextAutonumberBullet()
		p.x.BuAutoNum.TypeAttr = scheme
	}
}

// SetAlign controls the paragraph alignment
func (p ParagraphProperties) SetAlign(a dml.ST_TextAlignType) {
	p.x.AlgnAttr = a
}