package models

import (
	"time"
)

type WorkDay struct {
	Day time.Time
	Bookings []Booking
	workTime time.Duration
}

// Gets the duration someone worked that day
func (d WorkDay) GetWorkTime() time.Duration{
	d.workTime = 0
	for i := 0; i < len(d.Bookings) - (1 + len(d.Bookings)%2); i += 2{
		start := d.Bookings[i].Timestamp
		end := d.Bookings[i+1].Timestamp
		d.workTime += end.Sub(start)
	}

	// checks if booking is today and has no gehen yet, so the time since last kommen booking is added to workTime
	if(d.Day.Equal(time.Now().Truncate(24 * time.Hour)) && len(d.Bookings) % 2 == 1){
		d.workTime += time.Since(d.Bookings[len(d.Bookings)-1].Timestamp)
	}
	return d.workTime
}

// Converts duration to string and replaces 0s with in
//
// -> output xhxmin
func (d WorkDay) GetWorkTimeString() string {
	str := d.GetWorkTime().Abs().Round(time.Minute).String()
	str = str[:len(str)-2] + "in"
	if(len(str) > 2){
	return str
	}
	return ""
}

// returns bool wheter the workday was ended with an automatic logout
func (d WorkDay) RequiresAction() bool {
	return d.Bookings[len(d.Bookings)-1].CheckInOut == 255
}

// returns a integer percentage of how much day has been worked of
func (d WorkDay) GetWorkDayProgress() uint8 {
	defaultWorkTime, _ := time.ParseDuration("7h42m")
	progress := (d.GetWorkTime().Seconds()/defaultWorkTime.Seconds())*100
	return uint8(progress)
}