package ui

import (
	"fmt"

	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/container"
	"gitea.mmo.to/ProtocolPacketForger/ppf/protocol"
	"gitea.mmo.to/ProtocolPacketForger/ppf/protocolctl"
)

type ProtocolEditor struct {
	Representation *fyne.Container
	FieldContainer *fyne.Container
	Metadata       *ProtocolMetadata
	Fields         []*FieldEditor

	Reference *protocol.ProtocolStructure
}

func NewProtocolEditor(ref *protocol.ProtocolStructure) *ProtocolEditor {
	metadata := NewMetadataProtocol()
	fields := container.NewGridWrap(fyne.NewSize(300, 400))
	container := container.NewBorder(nil, nil, metadata.Representation, nil, container.NewVScroll(fields))
	protocolEditor := &ProtocolEditor{container, fields, metadata, []*FieldEditor{}, ref}
	protocolEditor.Redraw()
	return protocolEditor
}

func (ed *ProtocolEditor) AddFieldCreator(fieldCreator *FieldEditor) {
	ed.Fields = append(ed.Fields, fieldCreator)
	ed.Redraw()
}

func (ed *ProtocolEditor) Redraw() {
	json := protocolctl.ToJson(ed.Reference)
	fmt.Printf("%s", json)
	ed.FieldContainer.RemoveAll()
	// existing fields
	for i, v := range ed.Reference.Structure {
		ed.FieldContainer.Add(CreateFieldEditor(ed, i, v).Representation)
	}
	if len(ed.Reference.Structure) == 0 {
		ed.FieldContainer.Add(GetAdder(ed))
	}
	// Metadata
	ed.Metadata.SetProtocol(ed.Reference)
}