package types

import (
	"encoding/json"
	"fmt"

	"git.zaphyra.eu/airpodsctl/helpers"
)

type BatteryTTLEstimate Option[int]

func (s *BatteryTTLEstimate) UnmarshalJSON(data []byte) error {
	var v Option[int]
	if err := json.Unmarshal(data, &v); err != nil {
		return err
	}

	*s = BatteryTTLEstimate{
		Set:   v.Set,
		Valid: v.Valid,
		Value: v.Value,
	}

	return nil
}

func (batteryTTLEstimate BatteryTTLEstimate) String() string {
	if batteryTTLEstimate.Valid {
		hours, minutes := helpers.Divmod(batteryTTLEstimate.Value, 60)
		return fmt.Sprintf("%dh %dm", hours, minutes)
	}

	return ""
}