import { DragContextValue } from '../components/DragContext/DragContext';
import { DateTimeStringValue, ScheduleEventData, ScheduleMode } from '../types';
export interface UseDragDropHandlersOptions<T = any> {
    /** Whether drag and drop is enabled */
    enabled: boolean;
    /** Schedule interaction mode */
    mode: ScheduleMode;
    /** Called when event is dropped at new location */
    onEventDrop?: (data: {
        eventId: string | number;
        newStart: DateTimeStringValue;
        newEnd: DateTimeStringValue;
        event: ScheduleEventData;
    }) => void;
    /** Function to determine if event can be dragged */
    canDragEvent?: (event: ScheduleEventData) => boolean;
    /** Called when any event drag starts */
    onEventDragStart?: (event: ScheduleEventData) => void;
    /** Called when any event drag ends */
    onEventDragEnd?: () => void;
    /**
     * Function to calculate drop target dates from drop location.
     * Receives the target location and the dragged event.
     */
    calculateDropTarget: (target: T, draggedEvent: ScheduleEventData) => {
        start: Date;
        end: Date;
    };
    /** Called when an external item is dropped onto the schedule */
    onExternalDrop?: (e: React.DragEvent, target: T) => void;
}
export interface DragDropHandlers<T = any> {
    /** Context value for DragContext.Provider */
    dragContextValue: DragContextValue;
    /** Current drop target */
    dropTarget: T | null;
    /** Handle drag start event */
    handleDragStart: (event: ScheduleEventData) => void;
    /** Handle drag end event */
    handleDragEnd: () => void;
    /** Handle drag over event */
    handleDragOver: (e: React.DragEvent, target: T) => void;
    /** Handle drag leave event */
    handleDragLeave: () => void;
    /** Handle drop event */
    handleDrop: (e: React.DragEvent, target: T) => void;
    /** Check if event is draggable */
    isDraggableEvent: (event: ScheduleEventData) => boolean;
    /** Check if target is the current drop target */
    isDropTarget: (target: T) => boolean;
}
/**
 * Hook that provides unified drag-drop handlers for Schedule views.
 * Handles drag state management and event drops across Day, Week, and Month views.
 *
 * @template T - Type of the drop target (e.g., slot index, day string, etc.)
 */
export declare function useDragDropHandlers<T = any>(options: UseDragDropHandlersOptions<T>): DragDropHandlers<T>;