// Package models defines the core data structures for the application.
package models

import "time"

// Event represents a calendar event.
type Event struct {
	ID          string
	Title       string
	Description string
	Start       time.Time
	End         time.Time
	AllDay      bool
	Location    string
	Source      EventSource
}

// EventSource indicates where an event originated from.
type EventSource string

const (
	SourceLocal  EventSource = "local"
	SourceCalDAV EventSource = "caldav"
)

// IsOnDate checks if the event occurs on the given date.
func (e *Event) IsOnDate(date time.Time) bool {
	eventDate := e.Start.Truncate(24 * time.Hour)
	checkDate := date.Truncate(24 * time.Hour)

	if e.AllDay {
		endDate := e.End.Truncate(24 * time.Hour)
		return !checkDate.Before(eventDate) && checkDate.Before(endDate)
	}

	return eventDate.Equal(checkDate)
}