import { Writable } from 'svelte/store';
import { Formula, FormulaError, FormulaOptions, FormulaValue, FormulaValueDefault } from '../types';
/**
 * The stores available in Beaker
 */
export interface BeakerStores<T extends FormulaValue = FormulaValueDefault> {
    /**
     * A store containing the current form values
     */
    formValues: Writable<T[]>;
    /**
     * A store containing the values at the time of `<form>` submission
     */
    submitValues: Writable<T[]>;
    /**
     * A store containing the initial values
     */
    initialValues: Writable<T[]>;
    /**
     * A store containing the touched status of each named field
     */
    touched: Writable<Record<string, boolean>[]>;
    /**
     * A store containing the dirty status of each named field
     */
    dirty: Writable<Record<string, boolean>[]>;
    /**
     * A store containing the current validity of all named fields from HTML and custom validations
     */
    validity: Writable<Record<string, FormulaError>[]>;
    /**
     * A store containing the current validity of all custom form validations
     */
    formValidity: Writable<Record<string, string | null>[]>;
    /**
     * A store containing a boolean value if the form is overall valid
     */
    isFormValid: Writable<boolean>;
    /**
     * Observable value if the form state is ready to be used
     */
    isFormReady: Writable<boolean>;
    /**
     * A store containing additional field enrichment
     */
    enrichment: Writable<Record<string, T>[]>;
}
/**
 * The Formula interface with stores and form factory
 */
export interface Beaker<T extends FormulaValue = FormulaValueDefault> extends BeakerStores<T> {
    /**
     * The form object for use with the Svelte use directive
     * @param node
     */
    group: (node: HTMLElement) => {
        destroy: () => void;
    };
    /**
     * Update all the underlying forms
     */
    update: (options?: FormulaOptions<T>) => void;
    /**
     * Destroy
     */
    destroy: () => void;
    /**
     * Instance forms
     */
    forms: Map<HTMLElement, Formula<T>>;
    /**
     * Stores
     */
    stores: BeakerStores<T>;
    /**
     * Initialise the store
     * @param items
     */
    init: (items: T[]) => void;
    /**
     * Add an item to the group store
     */
    add: (item: T) => void;
    /**
     * Add an item to the group store
     */
    set: (index: number, item: T) => void;
    /**
     * Remove and item from the group store
     */
    delete: (index: number) => void;
    /**
     * Clear all items
     */
    clear: () => void;
}