Calendar/src/types/EventTypes.ts

/**
 * Type definitions for calendar events and drag operations
 */

import { IColumnBounds } from "../utils/ColumnDetectionUtils";
import { ICalendarEvent } from "./CalendarTypes";

/**
 * Drag Event Payload Interfaces
 * Type-safe interfaces for drag and drop events
 */

// Common position interface
export interface IMousePosition {
  x: number;
  y: number;
}

// Drag start event payload
export interface IDragStartEventPayload {
  originalElement: HTMLElement;
  draggedClone: HTMLElement | null;
  mousePosition: IMousePosition;
  mouseOffset: IMousePosition;
  columnBounds: IColumnBounds | null;
}

// Drag move event payload
export interface IDragMoveEventPayload {
  originalElement: HTMLElement;
  draggedClone: HTMLElement;
  mousePosition: IMousePosition;
  mouseOffset: IMousePosition;
  columnBounds: IColumnBounds | null;
  snappedY: number;
}

// Drag end event payload
export interface IDragEndEventPayload {
  originalElement: HTMLElement;
  draggedClone: HTMLElement | null;
  mousePosition: IMousePosition;
  originalSourceColumn: IColumnBounds;  // Original column where drag started
  finalPosition: {
    column: IColumnBounds | null;  // Where drag ended
    snappedY: number;
  };
  target: 'swp-day-column' | 'swp-day-header' | null;
}

// Drag mouse enter header event payload
export interface IDragMouseEnterHeaderEventPayload {
  targetColumn: IColumnBounds;
  mousePosition: IMousePosition;
  originalElement: HTMLElement | null;
  draggedClone: HTMLElement;
  calendarEvent: ICalendarEvent;
  replaceClone: (newClone: HTMLElement) => void;
}

// Drag mouse leave header event payload
export interface IDragMouseLeaveHeaderEventPayload {
  targetDate: string | null;
  mousePosition: IMousePosition;
  originalElement: HTMLElement| null;
  draggedClone: HTMLElement| null;
}

// Drag mouse enter column event payload
export interface IDragMouseEnterColumnEventPayload {
  targetColumn: IColumnBounds;
  mousePosition: IMousePosition;
  snappedY: number;
  originalElement: HTMLElement | null;
  draggedClone: HTMLElement;
  calendarEvent: ICalendarEvent;
  replaceClone: (newClone: HTMLElement) => void;
}

// Drag column change event payload
export interface IDragColumnChangeEventPayload {
  originalElement: HTMLElement;
  draggedClone: HTMLElement;
  previousColumn: IColumnBounds | null;
  newColumn: IColumnBounds;
  mousePosition: IMousePosition;
}

// Header ready event payload
export interface IHeaderReadyEventPayload {
  headerElements: IColumnBounds[];

}

// Resize end event payload
export interface IResizeEndEventPayload {
  eventId: string;
  element: HTMLElement;
  finalHeight: number;
}

// Navigation button clicked event payload
export interface INavButtonClickedEventPayload {
  direction: 'next' | 'previous' | 'today';
  newDate: Date;
}