package lulu

import (
	"fmt"
	"time"
)

type Date time.Time

func ParseDate(s string) (Date, error) {
	t, err := time.Parse(time.DateOnly, s)
	return Date(t), err
}

func MustParseDate(s string) Date {
	d, err := ParseDate(s)
	if err != nil {
		panic(fmt.Sprintf("lulu.ParseDate(%q): %v", s, err))
	}
	return d
}

func (d Date) String() string {
	return time.Time(d).Format(time.DateOnly)
}

func (d *Date) UnmarshalText(text []byte) error {
	nd, err := ParseDate(string(text))
	if err != nil {
		return err
	}
	*d = nd
	return nil
}

func (d Date) MarshalText() ([]byte, error) {
	s := time.Time(d).Format(time.DateOnly)
	return []byte(s), nil
}