import { Browser, Alarms, Notifications, Runtime, Storage, Tabs, WebNavigation, Windows } from 'webextension-polyfill';

interface EventForTesting<TParams extends any[], TReturn = void> {
    /**
     * Trigger all listeners for an event and return all their responses.
     */
    trigger(...args: TParams): Promise<TReturn[]>;
    /**
     * Remove all listeners for the event.
     */
    removeAllListeners(): void;
}
interface BrowserOverrides {
    /**
     * Reset the fake browser. Remove all listeners and clear all in-memort state, like storage,
     * windows, and tabs.
     *
     * This is often called before each test.
     */
    reset(): void;
    alarms: Alarms.Static & {
        resetState(): void;
        onAlarm: EventForTesting<[name: Alarms.Alarm]>;
    };
    notifications: Notifications.Static & {
        resetState(): void;
        onClosed: EventForTesting<[notificationId: string, byUser: boolean]>;
        onClicked: EventForTesting<[notificationId: string]>;
        onButtonClicked: EventForTesting<[notificationId: string, buttonIndex: number]>;
        onShown: EventForTesting<[notificationId: string]>;
    };
    runtime: Pick<Runtime.Static, 'id' | 'getURL'> & {
        resetState(): void;
        onSuspend: EventForTesting<[]>;
        onSuspendCanceled: EventForTesting<[]>;
        onStartup: EventForTesting<[]>;
        onInstalled: EventForTesting<[details: Runtime.OnInstalledDetailsType]>;
        onUpdateAvailable: EventForTesting<[details: Runtime.OnUpdateAvailableDetailsType]>;
        onMessage: EventForTesting<[message: any, sender: Runtime.MessageSender], void | Promise<any>>;
    };
    storage: {
        /**
         * Remove all listeners and clear in-memory storages.
         */
        resetState(): void;
        local: {
            onChanged: EventForTesting<[changes: Storage.StorageAreaOnChangedChangesType]>;
        };
        session: {
            onChanged: EventForTesting<[changes: Storage.StorageAreaOnChangedChangesType]>;
        };
        sync: {
            onChanged: EventForTesting<[changes: Storage.StorageAreaOnChangedChangesType]>;
        };
        managed: {
            onChanged: EventForTesting<[changes: Storage.StorageAreaOnChangedChangesType]>;
        };
        onChanged: EventForTesting<[changes: Record<string, Storage.StorageChange>, areaName: string]>;
    };
    tabs: Pick<Tabs.Static, 'get' | 'getCurrent' | 'create' | 'duplicate' | 'query' | 'highlight' | 'remove' | 'update'> & {
        resetState(): void;
        onCreated: EventForTesting<[tab: Tabs.Tab]>;
        onUpdated: EventForTesting<[
            tabId: number,
            changeInfo: Tabs.OnUpdatedChangeInfoType,
            tab: Tabs.Tab
        ]>;
        onHighlighted: EventForTesting<[highlightInfo: Tabs.OnHighlightedHighlightInfoType]>;
        onActivated: EventForTesting<[activeInfo: Tabs.OnActivatedActiveInfoType]>;
        onRemoved: EventForTesting<[tabId: number, removeInfo: Tabs.OnRemovedRemoveInfoType]>;
    };
    webNavigation: {
        onBeforeNavigate: EventForTesting<[details: WebNavigation.OnBeforeNavigateDetailsType]>;
        onCommitted: EventForTesting<[details: WebNavigation.OnCommittedDetailsType]>;
        onDOMContentLoaded: EventForTesting<[details: WebNavigation.OnDOMContentLoadedDetailsType]>;
        onCompleted: EventForTesting<[details: WebNavigation.OnCompletedDetailsType]>;
        onErrorOccurred: EventForTesting<[details: WebNavigation.OnErrorOccurredDetailsType]>;
        onCreatedNavigationTarget: EventForTesting<[
            details: WebNavigation.OnCreatedNavigationTargetDetailsType
        ]>;
        onReferenceFragmentUpdated: EventForTesting<[
            details: WebNavigation.OnReferenceFragmentUpdatedDetailsType
        ]>;
        onTabReplaced: EventForTesting<[details: WebNavigation.OnTabReplacedDetailsType]>;
        onHistoryStateUpdated: EventForTesting<[
            details: WebNavigation.OnHistoryStateUpdatedDetailsType
        ]>;
    };
    windows: Pick<Windows.Static, 'get' | 'getAll' | 'create' | 'getCurrent' | 'getLastFocused' | 'remove' | 'update'> & {
        resetState(): void;
        onCreated: EventForTesting<[window: Windows.Window]>;
        onRemoved: EventForTesting<[windowId: number]>;
        onFocusChanged: EventForTesting<[windowId: number]>;
    };
}
/**
 * The standard `Browser` interface from `webextension-polyfill`, but with additional functions for triggering events and reseting state.
 */
type FakeBrowser = BrowserOverrides & Browser;

/**
 * An in-memory implementation of the `browser` global.
 */
declare const fakeBrowser: FakeBrowser;

export { FakeBrowser, fakeBrowser };