// 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 diagram

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

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

type CT_StyleDefinitionHeader struct {
	UniqueIdAttr string
	MinVerAttr   *string
	ResIdAttr    *int32
	Title        []*CT_SDName
	Desc         []*CT_SDDescription
	CatLst       *CT_SDCategories
	ExtLst       *drawingml.CT_OfficeArtExtensionList
}

func NewCT_StyleDefinitionHeader() *CT_StyleDefinitionHeader {
	ret := &CT_StyleDefinitionHeader{}
	return ret
}

func (m *CT_StyleDefinitionHeader) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
	if m == nil {
		return nil
	}
	start.Attr = append(start.Attr, xml.Attr{Name: xml.Name{Local: "uniqueId"},
		Value: fmt.Sprintf("%v", m.UniqueIdAttr)})
	if m.MinVerAttr != nil {
		start.Attr = append(start.Attr, xml.Attr{Name: xml.Name{Local: "minVer"},
			Value: fmt.Sprintf("%v", *m.MinVerAttr)})
	}
	if m.ResIdAttr != nil {
		start.Attr = append(start.Attr, xml.Attr{Name: xml.Name{Local: "resId"},
			Value: fmt.Sprintf("%v", *m.ResIdAttr)})
	}
	e.EncodeToken(start)
	setitle := xml.StartElement{Name: xml.Name{Local: "title"}}
	e.EncodeElement(m.Title, setitle)
	sedesc := xml.StartElement{Name: xml.Name{Local: "desc"}}
	e.EncodeElement(m.Desc, sedesc)
	if m.CatLst != nil {
		secatLst := xml.StartElement{Name: xml.Name{Local: "catLst"}}
		e.EncodeElement(m.CatLst, secatLst)
	}
	if m.ExtLst != nil {
		seextLst := xml.StartElement{Name: xml.Name{Local: "extLst"}}
		e.EncodeElement(m.ExtLst, seextLst)
	}
	e.EncodeToken(xml.EndElement{Name: start.Name})
	return nil
}

func (m *CT_StyleDefinitionHeader) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
	// initialize to default
	for _, attr := range start.Attr {
		if attr.Name.Local == "uniqueId" {
			parsed, err := attr.Value, error(nil)
			if err != nil {
				return err
			}
			m.UniqueIdAttr = parsed
		}
		if attr.Name.Local == "minVer" {
			parsed, err := attr.Value, error(nil)
			if err != nil {
				return err
			}
			m.MinVerAttr = &parsed
		}
		if attr.Name.Local == "resId" {
			parsed, err := strconv.ParseInt(attr.Value, 10, 32)
			if err != nil {
				return err
			}
			pt := int32(parsed)
			m.ResIdAttr = &pt
		}
	}
lCT_StyleDefinitionHeader:
	for {
		tok, err := d.Token()
		if err != nil {
			return err
		}
		switch el := tok.(type) {
		case xml.StartElement:
			switch el.Name.Local {
			case "title":
				tmp := NewCT_SDName()
				if err := d.DecodeElement(tmp, &el); err != nil {
					return err
				}
				m.Title = append(m.Title, tmp)
			case "desc":
				tmp := NewCT_SDDescription()
				if err := d.DecodeElement(tmp, &el); err != nil {
					return err
				}
				m.Desc = append(m.Desc, tmp)
			case "catLst":
				m.CatLst = NewCT_SDCategories()
				if err := d.DecodeElement(m.CatLst, &el); err != nil {
					return err
				}
			case "extLst":
				m.ExtLst = drawingml.NewCT_OfficeArtExtensionList()
				if err := d.DecodeElement(m.ExtLst, &el); err != nil {
					return err
				}
			default:
				log.Printf("skipping unsupported element %v", el.Name)
				if err := d.Skip(); err != nil {
					return err
				}
			}
		case xml.EndElement:
			break lCT_StyleDefinitionHeader
		case xml.CharData:
		}
	}
	return nil
}

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

// ValidateWithPath validates the CT_StyleDefinitionHeader and its children, prefixing error messages with path
func (m *CT_StyleDefinitionHeader) ValidateWithPath(path string) error {
	for i, v := range m.Title {
		if err := v.ValidateWithPath(fmt.Sprintf("%s/Title[%d]", path, i)); err != nil {
			return err
		}
	}
	for i, v := range m.Desc {
		if err := v.ValidateWithPath(fmt.Sprintf("%s/Desc[%d]", path, i)); err != nil {
			return err
		}
	}
	if m.CatLst != nil {
		if err := m.CatLst.ValidateWithPath(path + "/CatLst"); err != nil {
			return err
		}
	}
	if m.ExtLst != nil {
		if err := m.ExtLst.ValidateWithPath(path + "/ExtLst"); err != nil {
			return err
		}
	}
	return nil
}