package envconf

import (
	"time"
)

type DataType int

const (
	TypeNone      DataType = iota
	TypeInt       DataType = iota
	TypeMetric    DataType = iota
	TypeDuration  DataType = iota
	TypeString    DataType = iota
	TypeDirectory DataType = iota
	TypeBool      DataType = iota
	TypeHex       DataType = iota
	TypeHex16     DataType = iota
	TypeHex32     DataType = iota
	TypeHex64     DataType = iota
	TypeHex128    DataType = iota
)

type cValue struct {
	dtype   DataType
	intval  int64
	durval  time.Duration
	boolval bool
	binval  []byte
	strval  string
	err     error
}

func (dtype DataType) parse(key string, str string) (ret cValue) {
	info, ok := tInfo[dtype]
	if ok {
		ret = info.parser(key, str)
		if len(ret.binval) == 0 {
			ret.binval = make([]byte, 0, 0)
		}
	}
	return
}
func (dtype DataType) String() string {
	info, ok := tInfo[dtype]
	if ok {
		return info.name
	}
	return "invalid"
}