package errors

import (
	"runtime"
	"strings"
)

var (
	IsStackCaptureEnabled = true
	StackCaptureSize      = 1024 * 4
)

type ErrorStack = []string

func CaptureStackIfEnabled() ErrorStack {
	if !IsStackCaptureEnabled {
		return nil
	}

	return CaptureStack()
}

func CaptureStack() ErrorStack {
	buffer := make([]byte, StackCaptureSize)
	stackSize := runtime.Stack(buffer, false)
	return strings.Split(string(buffer[:stackSize]), "\n")
}