// Copyright 2024 Matthew Rich <matthewrich.conf@gmail.com>. All rights reserved.

package folio

import (
	"encoding/json"
	"decl/internal/data"
)

type MockConverter struct {
	InjectType func() data.TypeName `json:"-" yaml:"-"`
	InjectEmit func(data.Document, data.ElementSelector) (data.Resource, error) `json:"-" yaml:"-"`
	InjectExtract func(data.Resource, data.ElementSelector) (data.Document, error) `json:"-" yaml:"-"`
	InjectClose func() (error) `json:"-" yaml:"-"`
}

func (m *MockConverter) Type() data.TypeName {
  return m.InjectType()
}

func (m *MockConverter)	Emit(document data.Document, filter data.ElementSelector) (data.Resource, error) {
	return m.InjectEmit(document, filter)
}

func (m *MockConverter)	Extract(sourceResource data.Resource, filter data.ElementSelector) (data.Document, error) {
	return m.InjectExtract(sourceResource, filter)
}

func (m *MockConverter)	Close() error {
	return m.InjectClose()
}

func (m *MockConverter) UnmarshalJSON(data []byte) error {
  if err := json.Unmarshal(data, m); err != nil {
    return err
  }
  return nil
}