package types

import (
	"database/sql/driver"
	"time"
)

type ISOTime time.Time

func (t ISOTime) String() string {
	return time.Time(t).Format(time.RFC3339)
}

func (t ISOTime) MarshalJSON() ([]byte, error) {
	return []byte(`"` + t.String() + `"`), nil
}

func (t *ISOTime) UnmarshalJSON(data []byte) error {
	s := string(data)
	s = s[1 : len(s)-1] // strip surrounding quotes
	parsed, err := time.Parse(time.RFC3339, s)
	if err != nil {
		return err
	}
	*t = ISOTime(parsed)
	return nil
}

// this is for GORM. lets it read a time.Time as ISOTime.
func (t *ISOTime) Scan(value interface{}) error {
	if v, ok := value.(time.Time); ok {
		*t = ISOTime(v)
	}
	return nil
}

// this is for GORM. lets it return it back into time.Time.
func (t ISOTime) Value() (driver.Value, error) {
	return time.Time(t), nil
}

type CreatedAt time.Time