// ------------------------------------------------------------------------
//   Project atila
//   Active Thing (activething.com) git.activething.com/go
//
//   File name  gogo.go
//   Created by DEV
//   Modified   23/01/2024
//
//   Copyright 2024 activething.com 
// ------------------------------------------------------------------------
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ------------------------------------------------------------------------

package pkjson

import (
	"apacks"
	"encoding"
	"encoding/json"
	"reflect"
	"results"
	"sync"
)


const (

	jsonTag   		= "json"

	maxCyclesAfter 	= 100

	defaultFlags 	= apacks.Flags(0)
)



var (
	g = struct {

		packersCache 		sync.Map
		keyersCache  		sync.Map
		fieldsCache  		sync.Map

		jsonMarshalerType 	reflect.Type
		textMarshalerType 	reflect.Type
		packMarshalerType 	reflect.Type

	}{

		jsonMarshalerType: 	reflect.TypeOf((*json.Marshaler)(nil)).Elem(),
		textMarshalerType: 	reflect.TypeOf((*encoding.TextMarshaler)(nil)).Elem(),
		packMarshalerType: 	reflect.TypeOf((*apacks.Packer)(nil)).Elem(),

	}
)


func Pack (value any, options ...JSONPackerFnc) (res results.Bytes) {
	p := NewJSONPacker(options ...)
	p.Pack(value,defaultFlags)
	if p.Error() != nil {
		res = results.MakeBytesError(p.Error())
	} else {
		res = results.MakeBytesSuccess(p.Packet())
	}
	p.Release()
	return res
}