import { logging, ProxyConfig } from "../";
import Symbols from "./symbols";

/**
 * Recognized browser names.
 */
export interface IBrowser {
    CHROME: "chrome";
    EDGE: "MicrosoftEdge";
    FIREFOX: "firefox";
    INTERNET_EXPLORER: "internet explorer";
    SAFARI: "safari";
}

/**
 * Instace of
 */
export const Browser: IBrowser;

/**
 * Common platform names. These platforms are not explicitly defined by the
 * WebDriver spec, however, their use is encouraged for interoperability.
 *
 * @see <https://w3c.github.io/webdriver/webdriver-spec.html>
 */
export interface IPlatform {
    LINUX: string;
    MAC: string;
    WINDOWS: string;
}

export const Platform: IPlatform;

/**
 * Strategies for waiting for [document readiness] after a navigation event.
 *
 * [document readiness]: https://html.spec.whatwg.org/#current-document-readiness
 */
export interface IPageLoadStrategy {
    /**
     * Indicates WebDriver should not wait on the document readiness state after a
     * navigation event.
     */
    NONE: string;

    /**
     * Indicates WebDriver should wait for the document readiness state to
     * become "interactive" after navigation.
     */
    EAGER: string;

    /**
     * Indicates WebDriver should wait for the document readiness state to
     * be "complete" after navigation. This is the default page loading strategy.
     */
    NORMAL: string;
}

export const PageLoadStrategy: IPageLoadStrategy;

/**
 * The possible default actions a WebDriver session can take to respond to
 * unhandled user prompts (`window.alert()`, `window.confirm()`, and
 * `window.prompt()`).
 */
export interface IUserPromptHandler {
    /** All prompts should be silently accepted. */
    ACCEPT: string;
    /** All prompts should be silently dismissed. */
    DISMISS: string;
    /**
     * All prompts should be automatically accepted, but an error should be
     * returned to the next (or currently executing) WebDriver command.
     */
    ACCEPT_AND_NOTIFY: string;
    /**
     * All prompts should be automatically dismissed, but an error should be
     * returned to the next (or currently executing) WebDriver command.
     */
    DISMISS_AND_NOTIFY: string;
    /** All prompts should be left unhandled. */
    IGNORE: string;
}

export const UserPromptHandler: IUserPromptHandler;

/**
 * Common webdriver capability keys.
 */
export interface ICapability {
    /**
     * Indicates whether a WebDriver session implicitly trusts otherwise untrusted
     * and self-signed TLS certificates during navigation.
     */
    ACCEPT_INSECURE_TLS_CERTS: string;

    /**
     * The browser name. Common browser names are defined in the
     * {@link ./capabilities.Browser Browser} enum.
     */
    BROWSER_NAME: string;

    /** Identifies the browser version. */
    BROWSER_VERSION: string;

    /**
     * Key for the logging driver logging preferences.
     */
    LOGGING_PREFS: string;

    /**
     * Defines the session's
     * {@linkplain ./capabilities.PageLoadStrategy page loading strategy}.
     */
    PAGE_LOAD_STRATEGY: string;

    /**
     * Identifies the operating system of the endpoint node. Common values
     * recognized by the most WebDriver server implementations are predefined in
     * the {@link ./capabilities.Platform Platform} enum.
     */
    PLATFORM_NAME: string;

    /**
     * Describes the proxy configuration to use for a new WebDriver session.
     */
    PROXY: string;

    /**
     * Indicates whether the remote end supports all of the window resizing and
     * positioning commands:
     *
     * -  {@linkplain ./webdriver.Window#getRect Window.getRect()}
     * -  {@linkplain ./webdriver.Window#setRect Window.setRect()}
     * -  {@linkplain ./webdriver.Window#maximize Window.maximize()}
     * -  {@linkplain ./webdriver.Window#minimize Window.minimize()}
     * -  {@linkplain ./webdriver.Window#fullscreen Window.fullscreen()}
     */
    SET_WINDOW_RECT: string;

    /**
     * Describes the {@linkplain ./capabilities.Timeouts timeouts} imposed on
     * certain session operations.
     */
    TIMEOUTS: string;

    /**
     * Defines how a WebDriver session should
     * {@linkplain ./capabilities.UserPromptHandler respond} to unhandled user
     * prompts.
     */
    UNHANDLED_PROMPT_BEHAVIOR: string;
}

/**
 * The standard WebDriver capability keys.
 */
export const Capability: ICapability;

/**
 * Describes a set of capabilities for a WebDriver session.
 */
export class Capabilities {
    // region Constructors

    /**
     * @param {(Capabilities|Map<string, ?>|Object)=} other Another set of
     *     capabilities to initialize this instance from.
     */
    constructor(other?: Capabilities | Map<string, any> | {});

    // endregion

    // region Static Methods

    /**
     * @return {!Capabilities} A basic set of capabilities for Chrome.
     */
    static chrome(): Capabilities;

    /**
     * @return {!Capabilities} A basic set of capabilities for Microsoft Edge.
     */
    static edge(): Capabilities;

    /**
     * @return {!Capabilities} A basic set of capabilities for Firefox.
     */
    static firefox(): Capabilities;

    /**
     * @return {!Capabilities} A basic set of capabilities for
     *     Internet Explorer.
     */
    static ie(): Capabilities;

    /**
     * @return {!Capabilities} A basic set of capabilities for Safari.
     */
    static safari(): Capabilities;

    // endregion

    // region Methods

    /**
     * @return {!Object<string, ?>} The JSON representation of this instance.
     *     Note, the returned object may contain nested promised values.
     * @suppress {checkTypes} Suppress [] access on a struct (state inherited from
     *     Map).
     */
    [Symbols.serialize](): {};

    /**
     * @param {string} key The capability to return.
     * @return {*} The capability with the given key, or {@code null} if it has
     *     not been set.
     */
    get(key: string): any;

    /**
     * @param {string} key The capability to check.
     * @return {boolean} Whether the specified capability is set.
     */
    has(key: string): boolean;

    /**
     * @return {!Iterator<string>} an iterator of the keys set.
     */
    keys(): IterableIterator<string>;

    /**
     * Merges another set of capabilities into this instance.
     * @param {!(Capabilities|Map<String, ?>|Object<string, ?>)} other The other
     *     set of capabilities to merge.
     * @return {!Capabilities} A self reference.
     */
    merge(other: Capabilities | Map<string, any> | {}): Capabilities;

    /**
     * Deletes an entry from this set of capabilities.
     *
     * @param {string} key the capability key to delete.
     */
    delete(key: string): boolean;

    /**
     * @param {string} key The capability key.
     * @param {*} value The capability value.
     * @return {!Capabilities} A self reference.
     * @throws {TypeError} If the `key` is not a string.
     */
    set(key: string, value: any): Capabilities;

    /**
     * Sets whether a WebDriver session should implicitly accept self-signed, or
     * other untrusted TLS certificates on navigation.
     *
     * @param {boolean} accept whether to accept insecure certs.
     * @return {!Capabilities} a self reference.
     */
    setAcceptInsecureCerts(accept: boolean): Capabilities;

    /**
     * @return {boolean} whether the session is configured to accept insecure
     *     TLS certificates.
     */
    getAcceptInsecureCerts(): boolean;

    /**
     * Sets the name of the target browser.
     *
     * @param {(Browser|string)} name the browser name.
     * @return {!Capabilities} a self reference.
     */
    setBrowserName(name: string): Capabilities;

    /**
     * @return {(string|undefined)} the configured browser name, or undefined if
     *     not set.
     */
    getBrowserName(): string | undefined;

    /**
     * Sets the desired version of the target browser.
     *
     * @param {string} version the desired version.
     * @return {!Capabilities} a self reference.
     */
    setBrowserVersion(version: string): Capabilities;

    /**
     * @return {(string|undefined)} the configured browser version, or undefined
     *     if not set.
     */
    getBrowserVersion(): string | undefined;

    /**
     * Sets the desired page loading strategy for a new WebDriver session.
     *
     * @param {PageLoadStrategy} strategy the desired strategy.
     * @return {!Capabilities} a self reference.
     */
    setPageLoadStrategy(strategy: string): Capabilities;

    /**
     * Returns the configured page load strategy.
     *
     * @return {(string|undefined)} the page load strategy.
     */
    getPageLoadStrategy(): string | undefined;

    /**
     * Sets the target platform.
     *
     * @param {(Platform|string)} platform the target platform.
     * @return {!Capabilities} a self reference.
     */
    setPlatform(platform: string): Capabilities;

    /**
     * @return {(string|undefined)} the configured platform or undefined if not
     *     set.
     */
    getPlatform(): string | undefined;

    /**
     * Sets the logging preferences. Preferences may be specified as a
     * {@link ./logging.Preferences} instance, or as a map of log-type to
     * log-level.
     * @param {!(./logging.Preferences|Object<string>)} prefs The logging
     *     preferences.
     * @return {!Capabilities} A self reference.
     */
    setLoggingPrefs(prefs: logging.Preferences | {}): Capabilities;

    /**
     * Sets the proxy configuration for this instance.
     * @param {proxy.Config} proxy The desired proxy configuration.
     * @return {!Capabilities} A self reference.
     */
    setProxy(proxy: ProxyConfig): Capabilities;

    /**
     * @return {(proxy.Config|undefined)} the configured proxy settings, or
     *     undefined if not set.
     */
    getProxy(): ProxyConfig | undefined;

    /**
     * Sets the default action to take with an unexpected alert before returning
     * an error. If unspecified, WebDriver will default to
     * {@link UserPromptHandler.DISMISS_AND_NOTIFY}.
     *
     * @param {?UserPromptHandler} behavior The way WebDriver should respond to
     *     unhandled user prompts.
     * @return {!Capabilities} A self reference.
     */
    setAlertBehavior(behavior: string): Capabilities;

    /**
     * @return {(UserPromptHandler|undefined)} the behavior pattern for responding
     *     to unhandled user prompts, or undefined if not set.
     */
    getAlertBehavior(): string | undefined;

    // endregion
}

export interface ITimeouts {
    /**
     * Defines when, in milliseconds, to interrupt a script that is being
     * {@linkplain ./webdriver.IWebDriver#executeScript evaluated}.
     */
    script?: number | undefined;

    /**
     * The timeout, in milliseconds, to apply to navigation events along with the
     * {@link PageLoadStrategy}.
     */
    pageLoad?: number | undefined;

    /**
     * The maximum amount of time, in milliseconds, to spend attempting to
     * {@linkplain ./webdriver.IWebDriver#findElement locate} an element on the
     * current page.
     */
    implicit?: number | undefined;
}