// 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"

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

type CT_Otherwise struct {
	NameAttr   *string
	Alg        []*CT_Algorithm
	Shape      []*CT_Shape
	PresOf     []*CT_PresentationOf
	ConstrLst  []*CT_Constraints
	RuleLst    []*CT_Rules
	ForEach    []*CT_ForEach
	LayoutNode []*CT_LayoutNode
	Choose     []*CT_Choose
	ExtLst     []*drawingml.CT_OfficeArtExtensionList
}

func NewCT_Otherwise() *CT_Otherwise {
	ret := &CT_Otherwise{}
	return ret
}

func (m *CT_Otherwise) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
	if m.NameAttr != nil {
		start.Attr = append(start.Attr, xml.Attr{Name: xml.Name{Local: "name"},
			Value: fmt.Sprintf("%v", *m.NameAttr)})
	}
	e.EncodeToken(start)
	if m.Alg != nil {
		sealg := xml.StartElement{Name: xml.Name{Local: "alg"}}
		e.EncodeElement(m.Alg, sealg)
	}
	if m.Shape != nil {
		seshape := xml.StartElement{Name: xml.Name{Local: "shape"}}
		e.EncodeElement(m.Shape, seshape)
	}
	if m.PresOf != nil {
		sepresOf := xml.StartElement{Name: xml.Name{Local: "presOf"}}
		e.EncodeElement(m.PresOf, sepresOf)
	}
	if m.ConstrLst != nil {
		seconstrLst := xml.StartElement{Name: xml.Name{Local: "constrLst"}}
		e.EncodeElement(m.ConstrLst, seconstrLst)
	}
	if m.RuleLst != nil {
		seruleLst := xml.StartElement{Name: xml.Name{Local: "ruleLst"}}
		e.EncodeElement(m.RuleLst, seruleLst)
	}
	if m.ForEach != nil {
		seforEach := xml.StartElement{Name: xml.Name{Local: "forEach"}}
		e.EncodeElement(m.ForEach, seforEach)
	}
	if m.LayoutNode != nil {
		selayoutNode := xml.StartElement{Name: xml.Name{Local: "layoutNode"}}
		e.EncodeElement(m.LayoutNode, selayoutNode)
	}
	if m.Choose != nil {
		sechoose := xml.StartElement{Name: xml.Name{Local: "choose"}}
		e.EncodeElement(m.Choose, sechoose)
	}
	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_Otherwise) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
	// initialize to default
	for _, attr := range start.Attr {
		if attr.Name.Local == "name" {
			parsed, err := attr.Value, error(nil)
			if err != nil {
				return err
			}
			m.NameAttr = &parsed
		}
	}
lCT_Otherwise:
	for {
		tok, err := d.Token()
		if err != nil {
			return err
		}
		switch el := tok.(type) {
		case xml.StartElement:
			switch el.Name.Local {
			case "alg":
				tmp := NewCT_Algorithm()
				if err := d.DecodeElement(tmp, &el); err != nil {
					return err
				}
				m.Alg = append(m.Alg, tmp)
			case "shape":
				tmp := NewCT_Shape()
				if err := d.DecodeElement(tmp, &el); err != nil {
					return err
				}
				m.Shape = append(m.Shape, tmp)
			case "presOf":
				tmp := NewCT_PresentationOf()
				if err := d.DecodeElement(tmp, &el); err != nil {
					return err
				}
				m.PresOf = append(m.PresOf, tmp)
			case "constrLst":
				tmp := NewCT_Constraints()
				if err := d.DecodeElement(tmp, &el); err != nil {
					return err
				}
				m.ConstrLst = append(m.ConstrLst, tmp)
			case "ruleLst":
				tmp := NewCT_Rules()
				if err := d.DecodeElement(tmp, &el); err != nil {
					return err
				}
				m.RuleLst = append(m.RuleLst, tmp)
			case "forEach":
				tmp := NewCT_ForEach()
				if err := d.DecodeElement(tmp, &el); err != nil {
					return err
				}
				m.ForEach = append(m.ForEach, tmp)
			case "layoutNode":
				tmp := NewCT_LayoutNode()
				if err := d.DecodeElement(tmp, &el); err != nil {
					return err
				}
				m.LayoutNode = append(m.LayoutNode, tmp)
			case "choose":
				tmp := NewCT_Choose()
				if err := d.DecodeElement(tmp, &el); err != nil {
					return err
				}
				m.Choose = append(m.Choose, tmp)
			case "extLst":
				tmp := drawingml.NewCT_OfficeArtExtensionList()
				if err := d.DecodeElement(tmp, &el); err != nil {
					return err
				}
				m.ExtLst = append(m.ExtLst, tmp)
			default:
				log.Printf("skipping unsupported element on CT_Otherwise %v", el.Name)
				if err := d.Skip(); err != nil {
					return err
				}
			}
		case xml.EndElement:
			break lCT_Otherwise
		case xml.CharData:
		}
	}
	return nil
}

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

// ValidateWithPath validates the CT_Otherwise and its children, prefixing error messages with path
func (m *CT_Otherwise) ValidateWithPath(path string) error {
	for i, v := range m.Alg {
		if err := v.ValidateWithPath(fmt.Sprintf("%s/Alg[%d]", path, i)); err != nil {
			return err
		}
	}
	for i, v := range m.Shape {
		if err := v.ValidateWithPath(fmt.Sprintf("%s/Shape[%d]", path, i)); err != nil {
			return err
		}
	}
	for i, v := range m.PresOf {
		if err := v.ValidateWithPath(fmt.Sprintf("%s/PresOf[%d]", path, i)); err != nil {
			return err
		}
	}
	for i, v := range m.ConstrLst {
		if err := v.ValidateWithPath(fmt.Sprintf("%s/ConstrLst[%d]", path, i)); err != nil {
			return err
		}
	}
	for i, v := range m.RuleLst {
		if err := v.ValidateWithPath(fmt.Sprintf("%s/RuleLst[%d]", path, i)); err != nil {
			return err
		}
	}
	for i, v := range m.ForEach {
		if err := v.ValidateWithPath(fmt.Sprintf("%s/ForEach[%d]", path, i)); err != nil {
			return err
		}
	}
	for i, v := range m.LayoutNode {
		if err := v.ValidateWithPath(fmt.Sprintf("%s/LayoutNode[%d]", path, i)); err != nil {
			return err
		}
	}
	for i, v := range m.Choose {
		if err := v.ValidateWithPath(fmt.Sprintf("%s/Choose[%d]", path, i)); err != nil {
			return err
		}
	}
	for i, v := range m.ExtLst {
		if err := v.ValidateWithPath(fmt.Sprintf("%s/ExtLst[%d]", path, i)); err != nil {
			return err
		}
	}
	return nil
}