import { Ref, ComputedRef } from 'vue';
import { Rack, SlotPosition, WellEditData, WellPlateFormat, WellSampleDropData, Well } from '../types';
export interface UseRackEditorOptions {
    defaultFormat?: WellPlateFormat;
    defaultInjectionVolume?: number;
    maxRacks?: number;
    minRacks?: number;
}
export interface UseRackEditorReturn {
    racks: Ref<Rack[]>;
    activeRack: ComputedRef<Rack | undefined>;
    activeRackId: Ref<string>;
    addRack(name?: string): Rack;
    removeRack(rackId: string): void;
    reorderRacks(fromIndex: number, toIndex: number): void;
    updateRack(rackId: string, data: Partial<Rack>): void;
    setActiveRack(rackId: string): void;
    setWellData(rackId: string, wellId: string, data: Partial<Well>): void;
    clearWell(rackId: string, wellId: string): void;
    clearAllWells(rackId: string): void;
    fillSeries(rackId: string, prefix?: string): void;
    /** Swaps two wells (a move when the target is empty). */
    moveWell(rackId: string, sourceWellId: string, targetWellId: string): void;
    /** Puts every well in group `groupId` (an empty well becomes a sample); `undefined` empties them. */
    assignWells(rackId: string, wellIds: string[], groupId: string | undefined): void;
    /**
     * Applies every PlateEditor intent to this state, so the component can hold
     * data it never mutates itself:
     * `<PlateEditor :model-value="racks" :active-rack-id="activeRackId" v-on="plateEditorListeners" />`
     */
    plateEditorListeners: PlateEditorListeners;
    /** Steps back through every change to `racks` (at most 50), restoring the plate that was showing. */
    undo(): void;
    redo(): void;
    canUndo: ComputedRef<boolean>;
    canRedo: ComputedRef<boolean>;
    /** Forgets every undo and redo step, e.g. after loading unrelated plates. */
    clearHistory(): void;
    getAllWells(): Array<{
        rackId: string;
        wellId: string;
        well: Partial<Well>;
    }>;
    totalSampleCount: ComputedRef<number>;
    reset(): void;
}
/** Handlers for PlateEditor's intent events, keyed by event name (bind with `v-on`). */
export interface PlateEditorListeners {
    'update:activeRackId': (rackId: string) => void;
    'rack-add': () => void;
    'rack-remove': (rackId: string) => void;
    'rack-reorder': (rackIds: string[]) => void;
    'update:format': (rackId: string, format: WellPlateFormat) => void;
    'update:slot': (rackId: string, slot: SlotPosition) => void;
    'well-edit': (rackId: string, wellId: string, data: WellEditData) => void;
    'well-clear': (rackId: string, wellId: string) => void;
    'well-move': (rackId: string, sourceWellId: string, targetWellId: string) => void;
    'sample-drop': (rackId: string, wellId: string, data: WellSampleDropData, event: DragEvent) => void;
    'assign': (rackId: string, wellIds: string[], groupId: string | undefined) => void;
    'clear': (rackId: string) => void;
    'fill-series': (rackId: string) => void;
    'undo': () => void;
    'redo': () => void;
}
/** Manages a set of sample racks with well-level assignment, series fill, and multi-rack reordering. */
export declare function useRackEditor(initialRacks?: Rack[], options?: UseRackEditorOptions): UseRackEditorReturn;