/**
 * Event model for handling calendar events
 */
export class Event {
  constructor({ id, title, description, startDate, endDate, location, createdBy }) {
    this.id = id;
    this.title = title;
    this.description = description;
    this.startDate = startDate instanceof Date ? startDate : new Date(startDate);
    this.endDate = endDate instanceof Date ? endDate : new Date(endDate);
    this.location = location;
    this.createdBy = createdBy;
  }

  /**
   * Calculate the duration of the event in minutes
   * @returns {number} Duration in minutes
   */
  getDurationMinutes() {
    return Math.floor((this.endDate - this.startDate) / (1000 * 60));
  }

  /**
   * Check if the event is a full day event
   * @returns {boolean}
   */
  isFullDay() {
    const startHours = this.startDate.getHours();
    const startMinutes = this.startDate.getMinutes();
    const durationHours = this.getDurationMinutes() / 60;
    
    return startHours === 0 && startMinutes === 0 && durationHours >= 24;
  }

  /**
   * Format event date for display
   * @returns {string} Formatted date string
   */
  getFormattedDate() {
    if (this.isFullDay()) {
      return this.startDate.toLocaleDateString();
    }
    
    const startTime = this.startDate.toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' });
    const endTime = this.endDate.toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' });
    return `${this.startDate.toLocaleDateString()}, ${startTime} - ${endTime}`;
  }
}

export default Event;