// ------------------------------------------------------------------------
// ℹ️ Project active3
//   Active Thing (activething.com) git.activething.com/go
//
//   File name  att.go
// ✍️ Created by DEV
// 📅 Modified   01/05/2024
//
// 🔒 COPYRIGHT  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 acache

import "math/bits"

const(

	KindAny Kind = 1 << iota
	KindBool
	KindBinary
	KindString
	KindInt
	KindUint
	KindFloat
	KindTime
	KindDuration
	KindError
	KindReflect

	KindDefer Kind = 16384

)

const(

	KindDeferAny 			= KindDefer|KindAny
	KindDeferBool 		= KindDefer|KindBool
	KindDeferString		= KindDefer|KindString
	KindDeferBinary		= KindDefer|KindBinary
	KindDeferInt 			= KindDefer|KindInt
	KindDeferUint 		= KindDefer|KindUint
	KindDeferFloat		= KindDefer|KindFloat
	KindDeferTime 		= KindDefer|KindTime
	KindDeferDuration		= KindDefer|KindDuration
	KindDeferError 		= KindDefer|KindError
	KindDeferReflect  	= KindDefer|KindReflect

)


type (

	Kind uint16
)


func (k Kind) IsAny() bool {
	return k&KindAny != 0 }

func (k Kind) IsBool() bool {
	return k&KindBool != 0 }

func (k Kind) IsInt() bool {
	return k&KindInt != 0 }

func (k Kind) IsUint() bool {
	return k&KindUint != 0 }

func (k Kind) IsFloat() bool {
	return k&KindFloat != 0 }

func (k Kind) IsString() bool {
	return k&KindString != 0 }

func (k Kind) IsTime() bool {
	return k&KindTime != 0 }

func (k Kind) IsDuration() bool {
	return k&KindDuration != 0 }

func (k Kind) IsBinary() bool {
	return k&KindBinary != 0 }

func (k Kind) IsError() bool {
	return k&KindError != 0 }

func (k Kind) IsReflect() bool {
	return k&KindReflect != 0 }


func (k Kind) IsDefer() bool {
	return k&KindDefer != 0 }



func (k Kind) Count () int {
	return bits.OnesCount16(uint16(k)) }

func (k Kind) Kinds () []Kind {
	if k == 0 {
		return nil
	}
	var ls []Kind
	c := Kind(1)
	for i:=0; i< kindBits; i++ {
		c = 1 << i
		if c&k != 0 {
			ls = append(ls,c)
		}
	}
	return ls
}

func (k Kind) KindNames () []string {
	if k==0 {
		return []string{""}
	}
	var ls []string
	c := Kind(1)
	for i:=0; i< kindBits; i++ {
		c = 1 << i
		if c&k != 0 {
			ls = append(ls, g.kindNames[i])
		}
	}
	return ls
}