package monitor

import (
	"time"

	"github.com/golang-collections/go-datastructures/queue"
)

type Item struct {
	url      string
	interval time.Duration
	next     time.Time
}

func NewItem(url string, interval time.Duration) *Item {
	return &Item{
		url:      url,
		interval: interval,
		next:     time.Now(),
	}
}

func (item *Item) Compare(other queue.Item) int {
	j, ok := other.(*Item)
	if !ok {
		return 0
	}
	if item.next.Before(j.next) {
		return -1
	} else if item.next.After(j.next) {
		return 1
	}
	if item.interval < j.interval {
		return -1
	} else if item.interval > j.interval {
		return 1
	}
	return 0
}

func (item *Item) increment() *Item {
	item.next = time.Now().Add(item.interval)
	return item
}