/**
 * This file is derived from https://github.com/WICG/app-history/blob/7c0332b30746b14863f717404402bc49e497a2b2/app_history.d.ts
 *
 * The main changes here is the usage of optional types over null, and support for updateCurrent()?.then;
 *
 * null is still included in places where properties have been marked as optional
 */
import { AsyncEventTarget as EventTarget, EventCallback, Event, EventTargetListeners, EventDescriptor, EventTargetAddListenerOptions } from "../event-target";
export interface NavigationEventMap<S = unknown, R = void | unknown> {
    navigate: NavigateEvent<S, R>;
    navigatesuccess: Event;
    navigateerror: Event & {
        error?: unknown;
    };
    currententrychange: NavigationCurrentEntryChangeEvent<S, R>;
    /**
     * @experimental
     */
    entrieschange: NavigationEntriesChangeEvent<S>;
}
export interface NavigationResult<S = unknown> {
    committed: Promise<NavigationHistoryEntry<S>>;
    finished: Promise<NavigationHistoryEntry<S>>;
}
export interface Navigation<S = unknown, R = unknown | void> extends EventTarget {
    readonly canGoBack: boolean;
    readonly canGoForward: boolean;
    readonly currentEntry?: NavigationHistoryEntry<S> | null;
    readonly transition?: NavigationTransition<S> | null;
    entries(): NavigationHistoryEntry<S>[];
    updateCurrentEntry(options: NavigationUpdateCurrentOptions<S>): unknown;
    updateCurrentEntry(options: NavigationUpdateCurrentOptions<S>): void;
    navigate(url: string | URL, options?: NavigationNavigateOptions<S>): NavigationResult<S>;
    reload(options?: NavigationReloadOptions<S>): NavigationResult<S>;
    traverseTo(key: string, options?: NavigationNavigationOptions): NavigationResult<S>;
    back(options?: NavigationNavigationOptions): NavigationResult<S>;
    forward(options?: NavigationNavigationOptions): NavigationResult<S>;
    onnavigate?: ((this: Navigation, ev: NavigateEvent<S>) => unknown | void) | null;
    onnavigatesuccess?: ((this: Navigation, ev: Event) => unknown | void) | null;
    onnavigateerror?: ((this: Navigation, ev: ErrorEvent) => unknown | void) | null;
    oncurrententrychange?: ((this: Navigation, ev: NavigationCurrentEntryChangeEvent<S>) => unknown) | null;
    /**
     * @experimental
     */
    onentrieschange?: ((this: Navigation, ev: Event) => unknown | void) | null;
    addEventListener<K extends keyof NavigationEventMap<S, R>>(type: K, listener: (ev: NavigationEventMap<S, R>[K]) => unknown | void, options?: boolean | EventTargetAddListenerOptions): void;
    addEventListener(type: string, listener: EventCallback, options?: boolean | EventTargetAddListenerOptions): void;
    removeEventListener<K extends keyof NavigationEventMap<S, R>>(type: K, listener: (ev: NavigationEventMap<S, R>[K]) => unknown, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventCallback, options?: boolean | EventListenerOptions): void;
}
export interface NavigationTransitionInit<S = unknown> {
    navigationType: NavigationNavigationType;
    from: NavigationHistoryEntry<S>;
    finished: Promise<NavigationHistoryEntry<S>>;
}
export interface NavigationTransition<S = unknown> extends NavigationTransitionInit {
    readonly navigationType: NavigationNavigationType;
    readonly from: NavigationHistoryEntry<S>;
    readonly finished: Promise<NavigationHistoryEntry<S>>;
    rollback(options?: NavigationNavigationOptions): NavigationResult<S>;
}
export interface NavigationHistoryEntryEventMap {
    navigateto: Event;
    navigatefrom: Event;
    finish: Event;
    dispose: Event;
}
export interface NavigationHistoryEntryInit<S = unknown> extends NavigationNavigateOptions<S> {
    key?: string;
    url?: string | null;
    index: number | (() => number);
    sameDocument?: boolean;
    [EventTargetListeners]?: EventDescriptor[];
}
export interface NavigationHistoryEntry<S = Record<string, unknown>> extends EventTarget {
    readonly key: string;
    readonly id: string;
    readonly url?: string;
    readonly index: number;
    readonly sameDocument: boolean;
    getState<ST extends S = S>(): ST;
    onnavigateto?: ((ev: Event) => unknown) | null;
    onnavigatefrom?: ((ev: Event) => unknown) | null;
    onfinish?: ((ev: Event) => unknown) | null;
    ondispose?: ((ev: Event) => unknown) | null;
    addEventListener<K extends keyof NavigationHistoryEntryEventMap>(type: K, listener: EventCallback<NavigationHistoryEntryEventMap[K]>, options?: boolean | EventTargetAddListenerOptions): void;
    addEventListener(type: string, listener: EventCallback, options?: boolean | EventTargetAddListenerOptions): void;
    removeEventListener<K extends keyof NavigationHistoryEntryEventMap>(type: K, listener: EventCallback, options?: boolean | EventListenerOptions): void;
    removeEventListener(type: string, listener: EventCallback, options?: boolean | EventListenerOptions): void;
}
export type NavigationNavigationType = "reload" | "push" | "replace" | "traverse";
export interface NavigationUpdateCurrentOptions<S = unknown> {
    state: S;
}
export interface NavigationNavigationOptions {
    info?: unknown;
}
export interface NavigationNavigateOptions<S = unknown> extends NavigationNavigationOptions {
    state?: S;
    history?: "auto" | "push" | "replace";
}
export interface NavigationReloadOptions<S = unknown> extends NavigationNavigationOptions {
    state?: S;
}
export interface NavigationCurrentEntryChangeEventInit<S = unknown> extends EventInit {
    navigationType?: NavigationNavigationType;
    from: NavigationHistoryEntry<S>;
    startTime?: number;
}
export interface NavigationInterceptFn<R> {
    (): Promise<R>;
}
/**
 * @deprecated
 */
export type NavigationInterceptCommitManualOption = "manual";
export interface NavigationInterceptOptions<R> {
    handler?: NavigationInterceptFn<R>;
    focusReset?: "after-transition" | "manual";
    scroll?: "after-transition" | "manual";
    commit?: "after-transition" | "immediate" | NavigationInterceptCommitManualOption | string;
}
export type NavigationIntercept<R> = NavigationInterceptFn<R> | NavigationInterceptOptions<R> | Promise<R>;
export interface NavigationCurrentEntryChangeEvent<S = unknown, R = unknown | void> extends Event<"currententrychange">, NavigationCurrentEntryChangeEventInit<S> {
    readonly navigationType?: NavigationNavigationType;
    readonly from: NavigationHistoryEntry<S>;
}
export interface NavigateEvent<S = unknown, R = unknown | void> extends Event<"navigate"> {
    preventDefault(): void;
    readonly navigationType: NavigationNavigationType;
    readonly canIntercept: boolean;
    readonly userInitiated: boolean;
    readonly hashChange: boolean;
    readonly destination: NavigationDestination<S>;
    readonly signal: AbortSignal;
    readonly formData?: FormData;
    readonly downloadRequest?: string;
    readonly info: unknown;
    intercept(options?: NavigationIntercept<R>): void;
    scroll(): void;
    /**
     * @deprecated use intercept
     */
    transitionWhile?(options?: NavigationIntercept<R>): void;
    commit(): void;
    /**
     * @experimental not part of spec yet
     */
    reportError?(reason: unknown): void;
}
export interface NavigateEventInit<S = unknown> extends EventInit {
    navigationType?: NavigationNavigationType;
    canIntercept?: boolean;
    userInitiated?: boolean;
    hashChange?: boolean;
    destination: NavigationDestination<S>;
    signal: AbortSignal;
    formData?: FormData;
    downloadRequest?: string;
    info?: unknown;
}
export interface NavigationDestination<S = unknown> {
    readonly url: string;
    readonly key?: string;
    readonly id?: string;
    readonly index: number;
    readonly sameDocument: boolean;
    getState<GS extends S = S>(): GS;
    getState(): S;
}
export interface NavigationEntriesChangeEventInit<S> {
    addedEntries: NavigationHistoryEntry<S>[];
    removedEntries: NavigationHistoryEntry<S>[];
    updatedEntries: NavigationHistoryEntry<S>[];
}
export interface NavigationEntriesChangeEvent<S = unknown> extends Event<"entrieschange">, NavigationEntriesChangeEventInit<S> {
}