// Copyright 2017 Baliance. 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 by contacting sales@baliance.com.

package presentationml

import (
	"encoding/xml"
	"log"
	"strconv"

	"baliance.com/gooxml/schema/schemas.openxmlformats.org/drawingml"
)

type SldLayout struct {
	CT_SlideLayout
}

func NewSldLayout() *SldLayout {
	ret := &SldLayout{}
	ret.CT_SlideLayout = *NewCT_SlideLayout()
	return ret
}

func (m *SldLayout) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
	start.Attr = append(start.Attr, xml.Attr{Name: xml.Name{Local: "xmlns"}, Value: "http://schemas.openxmlformats.org/presentationml/2006/main"})
	start.Attr = append(start.Attr, xml.Attr{Name: xml.Name{Local: "xmlns:a"}, Value: "http://schemas.openxmlformats.org/drawingml/2006/main"})
	start.Attr = append(start.Attr, xml.Attr{Name: xml.Name{Local: "xmlns:p"}, Value: "http://schemas.openxmlformats.org/presentationml/2006/main"})
	start.Attr = append(start.Attr, xml.Attr{Name: xml.Name{Local: "xmlns:r"}, Value: "http://schemas.openxmlformats.org/officeDocument/2006/relationships"})
	start.Attr = append(start.Attr, xml.Attr{Name: xml.Name{Local: "xmlns:sh"}, Value: "http://schemas.openxmlformats.org/officeDocument/2006/sharedTypes"})
	start.Attr = append(start.Attr, xml.Attr{Name: xml.Name{Local: "xmlns:xml"}, Value: "http://www.w3.org/XML/1998/namespace"})
	start.Name.Local = "p:sldLayout"
	return m.CT_SlideLayout.MarshalXML(e, start)
}

func (m *SldLayout) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
	// initialize to default
	m.CT_SlideLayout = *NewCT_SlideLayout()
	for _, attr := range start.Attr {
		if attr.Name.Local == "matchingName" {
			parsed, err := attr.Value, error(nil)
			if err != nil {
				return err
			}
			m.MatchingNameAttr = &parsed
		}
		if attr.Name.Local == "type" {
			m.TypeAttr.UnmarshalXMLAttr(attr)
		}
		if attr.Name.Local == "preserve" {
			parsed, err := strconv.ParseBool(attr.Value)
			if err != nil {
				return err
			}
			m.PreserveAttr = &parsed
		}
		if attr.Name.Local == "userDrawn" {
			parsed, err := strconv.ParseBool(attr.Value)
			if err != nil {
				return err
			}
			m.UserDrawnAttr = &parsed
		}
		if attr.Name.Local == "showMasterSp" {
			parsed, err := strconv.ParseBool(attr.Value)
			if err != nil {
				return err
			}
			m.ShowMasterSpAttr = &parsed
		}
		if attr.Name.Local == "showMasterPhAnim" {
			parsed, err := strconv.ParseBool(attr.Value)
			if err != nil {
				return err
			}
			m.ShowMasterPhAnimAttr = &parsed
		}
	}
lSldLayout:
	for {
		tok, err := d.Token()
		if err != nil {
			return err
		}
		switch el := tok.(type) {
		case xml.StartElement:
			switch el.Name.Local {
			case "cSld":
				if err := d.DecodeElement(m.CSld, &el); err != nil {
					return err
				}
			case "clrMapOvr":
				m.ClrMapOvr = drawingml.NewCT_ColorMappingOverride()
				if err := d.DecodeElement(m.ClrMapOvr, &el); err != nil {
					return err
				}
			case "transition":
				m.Transition = NewCT_SlideTransition()
				if err := d.DecodeElement(m.Transition, &el); err != nil {
					return err
				}
			case "timing":
				m.Timing = NewCT_SlideTiming()
				if err := d.DecodeElement(m.Timing, &el); err != nil {
					return err
				}
			case "hf":
				m.Hf = NewCT_HeaderFooter()
				if err := d.DecodeElement(m.Hf, &el); err != nil {
					return err
				}
			case "extLst":
				m.ExtLst = NewCT_ExtensionListModify()
				if err := d.DecodeElement(m.ExtLst, &el); err != nil {
					return err
				}
			default:
				log.Printf("skipping unsupported element on SldLayout %v", el.Name)
				if err := d.Skip(); err != nil {
					return err
				}
			}
		case xml.EndElement:
			break lSldLayout
		case xml.CharData:
		}
	}
	return nil
}

// Validate validates the SldLayout and its children
func (m *SldLayout) Validate() error {
	return m.ValidateWithPath("SldLayout")
}

// ValidateWithPath validates the SldLayout and its children, prefixing error messages with path
func (m *SldLayout) ValidateWithPath(path string) error {
	if err := m.CT_SlideLayout.ValidateWithPath(path); err != nil {
		return err
	}
	return nil
}