package pml

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

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

type CT_BackgroundProperties struct {
	// Shade to Title
	ShadeToTitleAttr *bool
	NoFill           *dml.CT_NoFillProperties
	SolidFill        *dml.CT_SolidColorFillProperties
	GradFill         *dml.CT_GradientFillProperties
	BlipFill         *dml.CT_BlipFillProperties
	PattFill         *dml.CT_PatternFillProperties
	GrpFill          *dml.CT_GroupFillProperties
	EffectLst        *dml.CT_EffectList
	EffectDag        *dml.CT_EffectContainer
	ExtLst           *CT_ExtensionList
}

func NewCT_BackgroundProperties() *CT_BackgroundProperties {
	ret := &CT_BackgroundProperties{}
	return ret
}

func (m *CT_BackgroundProperties) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
	if m.ShadeToTitleAttr != nil {
		start.Attr = append(start.Attr, xml.Attr{Name: xml.Name{Local: "shadeToTitle"},
			Value: fmt.Sprintf("%d", b2i(*m.ShadeToTitleAttr))})
	}
	e.EncodeToken(start)
	if m.NoFill != nil {
		senoFill := xml.StartElement{Name: xml.Name{Local: "p:noFill"}}
		e.EncodeElement(m.NoFill, senoFill)
	}
	if m.SolidFill != nil {
		sesolidFill := xml.StartElement{Name: xml.Name{Local: "p:solidFill"}}
		e.EncodeElement(m.SolidFill, sesolidFill)
	}
	if m.GradFill != nil {
		segradFill := xml.StartElement{Name: xml.Name{Local: "p:gradFill"}}
		e.EncodeElement(m.GradFill, segradFill)
	}
	if m.BlipFill != nil {
		seblipFill := xml.StartElement{Name: xml.Name{Local: "p:blipFill"}}
		e.EncodeElement(m.BlipFill, seblipFill)
	}
	if m.PattFill != nil {
		sepattFill := xml.StartElement{Name: xml.Name{Local: "p:pattFill"}}
		e.EncodeElement(m.PattFill, sepattFill)
	}
	if m.GrpFill != nil {
		segrpFill := xml.StartElement{Name: xml.Name{Local: "p:grpFill"}}
		e.EncodeElement(m.GrpFill, segrpFill)
	}
	if m.EffectLst != nil {
		seeffectLst := xml.StartElement{Name: xml.Name{Local: "p:effectLst"}}
		e.EncodeElement(m.EffectLst, seeffectLst)
	}
	if m.EffectDag != nil {
		seeffectDag := xml.StartElement{Name: xml.Name{Local: "p:effectDag"}}
		e.EncodeElement(m.EffectDag, seeffectDag)
	}
	if m.ExtLst != nil {
		seextLst := xml.StartElement{Name: xml.Name{Local: "p:extLst"}}
		e.EncodeElement(m.ExtLst, seextLst)
	}
	e.EncodeToken(xml.EndElement{Name: start.Name})
	return nil
}

func (m *CT_BackgroundProperties) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
	// initialize to default
	for _, attr := range start.Attr {
		if attr.Name.Local == "shadeToTitle" {
			parsed, err := strconv.ParseBool(attr.Value)
			if err != nil {
				return err
			}
			m.ShadeToTitleAttr = &parsed
			continue
		}
	}
lCT_BackgroundProperties:
	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/main", Local: "noFill"},
				xml.Name{Space: "http://purl.oclc.org/ooxml/drawingml/main", Local: "noFill"}:
				m.NoFill = dml.NewCT_NoFillProperties()
				if err := d.DecodeElement(m.NoFill, &el); err != nil {
					return err
				}
			case xml.Name{Space: "http://schemas.openxmlformats.org/drawingml/2006/main", Local: "solidFill"},
				xml.Name{Space: "http://purl.oclc.org/ooxml/drawingml/main", Local: "solidFill"}:
				m.SolidFill = dml.NewCT_SolidColorFillProperties()
				if err := d.DecodeElement(m.SolidFill, &el); err != nil {
					return err
				}
			case xml.Name{Space: "http://schemas.openxmlformats.org/drawingml/2006/main", Local: "gradFill"},
				xml.Name{Space: "http://purl.oclc.org/ooxml/drawingml/main", Local: "gradFill"}:
				m.GradFill = dml.NewCT_GradientFillProperties()
				if err := d.DecodeElement(m.GradFill, &el); err != nil {
					return err
				}
			case xml.Name{Space: "http://schemas.openxmlformats.org/drawingml/2006/main", Local: "blipFill"},
				xml.Name{Space: "http://purl.oclc.org/ooxml/drawingml/main", Local: "blipFill"}:
				m.BlipFill = dml.NewCT_BlipFillProperties()
				if err := d.DecodeElement(m.BlipFill, &el); err != nil {
					return err
				}
			case xml.Name{Space: "http://schemas.openxmlformats.org/drawingml/2006/main", Local: "pattFill"},
				xml.Name{Space: "http://purl.oclc.org/ooxml/drawingml/main", Local: "pattFill"}:
				m.PattFill = dml.NewCT_PatternFillProperties()
				if err := d.DecodeElement(m.PattFill, &el); err != nil {
					return err
				}
			case xml.Name{Space: "http://schemas.openxmlformats.org/drawingml/2006/main", Local: "grpFill"},
				xml.Name{Space: "http://purl.oclc.org/ooxml/drawingml/main", Local: "grpFill"}:
				m.GrpFill = dml.NewCT_GroupFillProperties()
				if err := d.DecodeElement(m.GrpFill, &el); err != nil {
					return err
				}
			case xml.Name{Space: "http://schemas.openxmlformats.org/drawingml/2006/main", Local: "effectLst"},
				xml.Name{Space: "http://purl.oclc.org/ooxml/drawingml/main", Local: "effectLst"}:
				m.EffectLst = dml.NewCT_EffectList()
				if err := d.DecodeElement(m.EffectLst, &el); err != nil {
					return err
				}
			case xml.Name{Space: "http://schemas.openxmlformats.org/drawingml/2006/main", Local: "effectDag"},
				xml.Name{Space: "http://purl.oclc.org/ooxml/drawingml/main", Local: "effectDag"}:
				m.EffectDag = dml.NewCT_EffectContainer()
				if err := d.DecodeElement(m.EffectDag, &el); err != nil {
					return err
				}
			case xml.Name{Space: "http://schemas.openxmlformats.org/presentationml/2006/main", Local: "extLst"},
				xml.Name{Space: "http://purl.oclc.org/ooxml/presentationml/main", Local: "extLst"}:
				m.ExtLst = NewCT_ExtensionList()
				if err := d.DecodeElement(m.ExtLst, &el); err != nil {
					return err
				}
			default:
				office.Log("skipping unsupported element on CT_BackgroundProperties %v", el.Name)
				if err := d.Skip(); err != nil {
					return err
				}
			}
		case xml.EndElement:
			break lCT_BackgroundProperties
		case xml.CharData:
		}
	}
	return nil
}

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

// ValidateWithPath validates the CT_BackgroundProperties and its children, prefixing error messages with path
func (m *CT_BackgroundProperties) ValidateWithPath(path string) error {
	if m.NoFill != nil {
		if err := m.NoFill.ValidateWithPath(path + "/NoFill"); err != nil {
			return err
		}
	}
	if m.SolidFill != nil {
		if err := m.SolidFill.ValidateWithPath(path + "/SolidFill"); err != nil {
			return err
		}
	}
	if m.GradFill != nil {
		if err := m.GradFill.ValidateWithPath(path + "/GradFill"); err != nil {
			return err
		}
	}
	if m.BlipFill != nil {
		if err := m.BlipFill.ValidateWithPath(path + "/BlipFill"); err != nil {
			return err
		}
	}
	if m.PattFill != nil {
		if err := m.PattFill.ValidateWithPath(path + "/PattFill"); err != nil {
			return err
		}
	}
	if m.GrpFill != nil {
		if err := m.GrpFill.ValidateWithPath(path + "/GrpFill"); err != nil {
			return err
		}
	}
	if m.EffectLst != nil {
		if err := m.EffectLst.ValidateWithPath(path + "/EffectLst"); err != nil {
			return err
		}
	}
	if m.EffectDag != nil {
		if err := m.EffectDag.ValidateWithPath(path + "/EffectDag"); err != nil {
			return err
		}
	}
	if m.ExtLst != nil {
		if err := m.ExtLst.ValidateWithPath(path + "/ExtLst"); err != nil {
			return err
		}
	}
	return nil
}
