package diagram

import (
	"encoding/xml"
	"strconv"

	"go.devnw.com/ooxml"
	"go.devnw.com/ooxml/schema/soo/dml"
)

type StyleDefHdr struct {
	CT_StyleDefinitionHeader
}

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

func (m *StyleDefHdr) 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/drawingml/2006/diagram"})
	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:di"}, Value: "http://schemas.openxmlformats.org/drawingml/2006/diagram"})
	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:xml"}, Value: "http://www.w3.org/XML/1998/namespace"})
	start.Name.Local = "styleDefHdr"
	return m.CT_StyleDefinitionHeader.MarshalXML(e, start)
}

func (m *StyleDefHdr) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
	// initialize to default
	m.CT_StyleDefinitionHeader = *NewCT_StyleDefinitionHeader()
	for _, attr := range start.Attr {
		if attr.Name.Local == "uniqueId" {
			parsed, err := attr.Value, error(nil)
			if err != nil {
				return err
			}
			m.UniqueIdAttr = parsed
			continue
		}
		if attr.Name.Local == "minVer" {
			parsed, err := attr.Value, error(nil)
			if err != nil {
				return err
			}
			m.MinVerAttr = &parsed
			continue
		}
		if attr.Name.Local == "resId" {
			parsed, err := strconv.ParseInt(attr.Value, 10, 32)
			if err != nil {
				return err
			}
			pt := int32(parsed)
			m.ResIdAttr = &pt
			continue
		}
	}
lStyleDefHdr:
	for {
		tok, err := d.Token()
		if err != nil {
			return err
		}
		switch el := tok.(type) {
		case xml.StartElement:
			switch el.Name {
			case xml.Name{Space: "http://schemas.openxmlformats.org/drawingml/2006/diagram", Local: "title"}:
				tmp := NewCT_SDName()
				if err := d.DecodeElement(tmp, &el); err != nil {
					return err
				}
				m.Title = append(m.Title, tmp)
			case xml.Name{Space: "http://schemas.openxmlformats.org/drawingml/2006/diagram", Local: "desc"}:
				tmp := NewCT_SDDescription()
				if err := d.DecodeElement(tmp, &el); err != nil {
					return err
				}
				m.Desc = append(m.Desc, tmp)
			case xml.Name{Space: "http://schemas.openxmlformats.org/drawingml/2006/diagram", Local: "catLst"}:
				m.CatLst = NewCT_SDCategories()
				if err := d.DecodeElement(m.CatLst, &el); err != nil {
					return err
				}
			case xml.Name{Space: "http://schemas.openxmlformats.org/drawingml/2006/diagram", Local: "extLst"}:
				m.ExtLst = dml.NewCT_OfficeArtExtensionList()
				if err := d.DecodeElement(m.ExtLst, &el); err != nil {
					return err
				}
			default:
				office.Log("skipping unsupported element on StyleDefHdr %v", el.Name)
				if err := d.Skip(); err != nil {
					return err
				}
			}
		case xml.EndElement:
			break lStyleDefHdr
		case xml.CharData:
		}
	}
	return nil
}

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

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