// Copyright 2017 Pilosa Corp.
//
// 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 toml

import "time"

// Duration is a TOML wrapper type for time.Duration.
type Duration time.Duration

// String returns the string representation of the duration.
func (d Duration) String() string { return time.Duration(d).String() }

// UnmarshalText parses a TOML value into a duration value.
func (d *Duration) UnmarshalText(text []byte) error {
	v, err := time.ParseDuration(string(text))
	if err != nil {
		return err
	}

	*d = Duration(v)
	return nil
}

// MarshalText writes duration value in text format.
func (d Duration) MarshalText() (text []byte, err error) {
	return []byte(d.String()), nil
}

// MarshalTOML write duration into valid TOML.
func (d Duration) MarshalTOML() ([]byte, error) {
	return []byte(d.String()), nil
}