/**
 * An enumeration of valid command string.
 */
export interface ICommandName {
    GET_SERVER_STATUS: string;

    NEW_SESSION: string;
    GET_SESSIONS: string;
    DESCRIBE_SESSION: string;

    CLOSE: string;
    QUIT: string;

    GET_CURRENT_URL: string;
    GET: string;
    GO_BACK: string;
    GO_FORWARD: string;
    REFRESH: string;

    ADD_COOKIE: string;
    GET_COOKIE: string;
    GET_ALL_COOKIES: string;
    DELETE_COOKIE: string;
    DELETE_ALL_COOKIES: string;

    GET_ACTIVE_ELEMENT: string;
    FIND_ELEMENT: string;
    FIND_ELEMENTS: string;
    FIND_CHILD_ELEMENT: string;
    FIND_CHILD_ELEMENTS: string;

    CLEAR_ELEMENT: string;
    CLICK_ELEMENT: string;
    SEND_KEYS_TO_ELEMENT: string;
    SUBMIT_ELEMENT: string;

    GET_CURRENT_WINDOW_HANDLE: string;
    GET_WINDOW_HANDLES: string;
    GET_WINDOW_POSITION: string;
    SET_WINDOW_POSITION: string;
    GET_WINDOW_SIZE: string;
    SET_WINDOW_SIZE: string;
    MAXIMIZE_WINDOW: string;

    SWITCH_TO_WINDOW: string;
    SWITCH_TO_FRAME: string;
    GET_PAGE_SOURCE: string;
    GET_TITLE: string;

    EXECUTE_SCRIPT: string;
    EXECUTE_ASYNC_SCRIPT: string;

    GET_ELEMENT_TEXT: string;
    GET_ELEMENT_TAG_NAME: string;
    IS_ELEMENT_SELECTED: string;
    IS_ELEMENT_ENABLED: string;
    IS_ELEMENT_DISPLAYED: string;
    GET_ELEMENT_LOCATION: string;
    GET_ELEMENT_LOCATION_IN_VIEW: string;
    GET_ELEMENT_SIZE: string;
    GET_ELEMENT_ATTRIBUTE: string;
    GET_ELEMENT_VALUE_OF_CSS_PROPERTY: string;
    ELEMENT_EQUALS: string;

    SCREENSHOT: string;
    IMPLICITLY_WAIT: string;
    SET_SCRIPT_TIMEOUT: string;
    SET_TIMEOUT: string;

    ACCEPT_ALERT: string;
    DISMISS_ALERT: string;
    GET_ALERT_TEXT: string;
    SET_ALERT_TEXT: string;

    EXECUTE_SQL: string;
    GET_LOCATION: string;
    SET_LOCATION: string;
    GET_APP_CACHE: string;
    GET_APP_CACHE_STATUS: string;
    CLEAR_APP_CACHE: string;
    IS_BROWSER_ONLINE: string;
    SET_BROWSER_ONLINE: string;

    GET_LOCAL_STORAGE_ITEM: string;
    GET_LOCAL_STORAGE_KEYS: string;
    SET_LOCAL_STORAGE_ITEM: string;
    REMOVE_LOCAL_STORAGE_ITEM: string;
    CLEAR_LOCAL_STORAGE: string;
    GET_LOCAL_STORAGE_SIZE: string;

    GET_SESSION_STORAGE_ITEM: string;
    GET_SESSION_STORAGE_KEYS: string;
    SET_SESSION_STORAGE_ITEM: string;
    REMOVE_SESSION_STORAGE_ITEM: string;
    CLEAR_SESSION_STORAGE: string;
    GET_SESSION_STORAGE_SIZE: string;

    SET_SCREEN_ORIENTATION: string;
    GET_SCREEN_ORIENTATION: string;

    // These belong to the Advanced user interactions - an element is
    // optional for these commands.
    CLICK: string;
    DOUBLE_CLICK: string;
    MOUSE_DOWN: string;
    MOUSE_UP: string;
    MOVE_TO: string;
    SEND_KEYS_TO_ACTIVE_ELEMENT: string;

    // These belong to the Advanced Touch API
    TOUCH_SINGLE_TAP: string;
    TOUCH_DOWN: string;
    TOUCH_UP: string;
    TOUCH_MOVE: string;
    TOUCH_SCROLL: string;
    TOUCH_DOUBLE_TAP: string;
    TOUCH_LONG_PRESS: string;
    TOUCH_FLICK: string;

    // Shadow DOM Commands
    GET_SHADOW_ROOT: string;
    FIND_ELEMENT_FROM_SHADOWROOT: string;
    FIND_ELEMENTS_FROM_SHADOWROOT: string;

    GET_AVAILABLE_LOG_TYPES: string;
    GET_LOG: string;
    GET_SESSION_LOGS: string;

    UPLOAD_FILE: string;

    ACTIONS: string;
    CLEAR_ACTIONS: string;

    LEGACY_ACTION_CLICK: string;
    LEGACY_ACTION_DOUBLE_CLICK: string;
    LEGACY_ACTION_MOUSE_DOWN: string;
    LEGACY_ACTION_MOUSE_UP: string;
    LEGACY_ACTION_MOUSE_MOVE: string;
    LEGACY_ACTION_SEND_KEYS: string;
    LEGACY_ACTION_TOUCH_DOWN: string;
    LEGACY_ACTION_TOUCH_UP: string;
    LEGACY_ACTION_TOUCH_MOVE: string;
    LEGACY_ACTION_TOUCH_SCROLL: string;
    LEGACY_ACTION_TOUCH_LONG_PRESS: string;
    LEGACY_ACTION_TOUCH_FLICK: string;
    LEGACY_ACTION_TOUCH_SINGLE_TAP: string;
    LEGACY_ACTION_TOUCH_DOUBLE_TAP: string;
}

/**
 * The names of Command-s
 */
export const Name: ICommandName;

/**
 * Describes a command to be executed by the WebDriverJS framework.
 * @param {!CommandName} name The name of this command.
 */
export class Command {
    // region Constructors

    /**
     * @param {!CommandName} name The name of this command.
     */
    constructor(name: string);

    // endregion

    // region Methods

    /**
     * @return {!CommandName} This command's name.
     */
    getName(): string;

    /**
     * Sets a parameter to send with this command.
     * @param {string} name The parameter name.
     * @param {*} value The parameter value.
     * @return {!Command} A self reference.
     */
    setParameter(name: string, value: any): Command;

    /**
     * Sets the parameters for this command.
     * @param {!Object.<*>} parameters The command parameters.
     * @return {!Command} A self reference.
     */
    setParameters(parameters: any): Command;

    /**
     * Returns a named command parameter.
     * @param {string} key The parameter key to look up.
     * @return {*} The parameter value, or undefined if it has not been set.
     */
    getParameter(key: string): any;

    /**
     * @return {!Object.<*>} The parameters to send with this command.
     */
    getParameters(): any;

    // endregion
}

/**
 * Handles the execution of WebDriver {@link Command commands}.
 * @interface
 */
export class Executor {
    /**
     * Executes the given {@code command}. If there is an error executing the
     * command, the provided callback will be invoked with the offending error.
     * Otherwise, the callback will be invoked with a null Error and non-null
     * response object.
     *
     * @param {!Command} command The command to execute.
     * @return {!Promise<?>} A promise that will be fulfilled with the command
     *     result.
     */
    execute(command: Command): Promise<any>;
}