// ------------------------------------------------------------------------
//   Project active2
//   Active Thing (activething.com) git.activething.com/go
//
//   File name  err_trace.go
//   Created by DEV
//   Modified   25/03/2024
//
//   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 wrap

import (
	"errs/erstfy"
	"errs/stack"
)

type (

	Trace 	struct {
		error
		stack 	stack.Trace
	}
)


func WhitTrace(err error, offset int) *Trace {
	if err == nil {
		panic(G.ErrNilWrap.WithMessageF(errNilWrapMsg, "Trace"))
	}
	var st stack.Trace
	tc,is := err.(stack.Tracer)
	if !is {
		st = stack.MakeStackTrace(offset)
	} else {
		st = tc.StackTrace()
	}
	return &Trace{
		error: err,
		stack: st,
	}
}


func (e Trace) Unwrap() error {
	return e.error }


func (e Trace) StackTrace () stack.Trace {
	return e.stack }


func (e Trace) String () string {
	return e.Stringify(false) }

func (e Trace) Stringify (partial bool) string {
	ln := erstfy.DefaultStringer().TraceLines(e.StackTrace())
	if partial {
		return ln
	}
	return erstfy.DefaultStringer().Stringify(e.error, ln)
}