using Core.Entities;

namespace WebApp.Services;

public interface IEventOccurrenceService
{
    /// <summary>
    /// Gets all event occurrences.
    /// </summary>
    Task<IEnumerable<EventOccurrence>> GetEventOccurrencesAsync();

    /// <summary>
    /// Gets event occurrences within the specified date range.
    /// </summary>
    Task<IEnumerable<EventOccurrence>> GetEventOccurrencesForDateRangeAsync(DateTime start, DateTime end);

    /// <summary>
    /// Gets all teams for the specified event definition IDs, including students.
    /// </summary>
    Task<Dictionary<int, List<Team>>> GetTeamsByEventDefinitionIdsAsync(IEnumerable<int> eventDefinitionIds);
}