export as namespace intlTelInput;

export = intlTelInput;

/**
 * initialise the plugin with optional options.
 * @param options options that can be provided during initialization.
 */
declare function intlTelInput(node: Element, options?: intlTelInput.Options): intlTelInput.Plugin;

declare namespace intlTelInput {
    // TODO: remove alias at v18
    type Static = IntlTelInputGlobals;
    interface IntlTelInputGlobals {
        /**
         * Default options for all instances
         */
        readonly defaults: Options;

        /**
         * Plugin version
         */
        readonly version: string;

        /**
         * Get all of the plugin's country data - either to re-use elsewhere
         * e.g. to populate a country dropdown.
         */
        getCountryData(): CountryData[];

        /**
         * Load the utils.js script (included in the lib directory) to enable
         * formatting/validation etc.
         */
        loadUtils(path: string, utilsScriptDeferred?: boolean): void;

        /**
         * After initialising the plugin, you can always access the instance again using this method,
         * by just passing in the relevant input element.
         */
        getInstance(node: Element): Plugin;
    }

    interface Plugin {
        promise: Promise<void>;

        /**
         * Remove the plugin from the input, and unbind any event listeners.
         */
        destroy(): void;

        /**
         * Get the extension from the current number.
         * Requires the utilsScript option.
         * e.g. if the input value was "(702) 555-5555 ext. 1234", this would
         * return "1234".
         */
        getExtension(): string;

        /**
         * Get the current number in the given format (defaults to E.164 standard).
         * The different formats are available in the enum
         * intlTelInputUtils.numberFormat - taken from here.
         * Requires the utilsScript option.
         * Note that even if nationalMode is enabled, this can still return a full
         * international number.
         * @param numberFormat the format in which the number will be returned.
         */
        getNumber(numberFormat?: intlTelInputUtils.numberFormat): string;

        /**
         * Get the type (fixed-line/mobile/toll-free etc) of the current number.
         * Requires the utilsScript option.
         * Returns an integer, which you can match against the various options in the
         * global enum intlTelInputUtils.numberType.
         * Note that in the US there's no way to differentiate between fixed-line and
         * mobile numbers, so instead it will return FIXED_LINE_OR_MOBILE.
         */
        getNumberType(): intlTelInputUtils.numberType;

        /**
         * Get the country data for the currently selected flag.
         */
        getSelectedCountryData(): CountryData;

        /**
         * Get more information about a validation error.
         * Requires the utilsScript option.
         * Returns an integer, which you can match against the various options in the
         * global enum ValidationError
         */
        getValidationError(): intlTelInputUtils.validationError;

        /**
         * Validate the current number. Expects an internationally formatted number
         * (unless nationalMode is enabled). If validation fails, you can use
         * getValidationError to get more information.
         * Requires the utilsScript option.
         * Also see getNumberType if you want to make sure the user enters a certain
         * type of number e.g. a mobile number.
         */
        isValidNumber(): boolean;

        /**
         * Change the country selection (e.g. when the user is entering their address).
         * @param countryCode country code of the country to be set.
         */
        setCountry(countryCode: string): void;

        /**
         * Insert a number, and update the selected flag accordingly.
         * Note that by default, if nationalMode is enabled it will try to use
         * national formatting.
         * @param aNumber number to be set.
         */
        setNumber(aNumber: string): void;

        /**
         * Set the type of the placeholder number
         * @param type Placeholder number type to be set
         */
        setPlaceholderNumberType(type: placeholderNumberType): void;

        countryList: HTMLUListElement;
    }

    interface Options {
        /**
         * Whether or not to allow the dropdown. If disabled, there is no dropdown
         * arrow, and the selected flag is not clickable. Also we display the
         * selected flag on the right instead because it is just a marker of state.
         * Default = true
         */
        allowDropdown?: boolean | undefined;

        /**
         * auto insert dial code (A) on init, (B) on user selecting a country, (C) on calling setCountry
         * also listen for blur/submit and auto remove dial code if that's all there is
         * @default false
         */
        autoInsertDialCode?: boolean | undefined;

        /**
         * Set the input's placeholder to an example number for the selected country, and update it if the country changes.
         * You can specify the number type using the placeholderNumberType option.
         * By default it is set to "polite", which means it will only set the placeholder if the input doesn't already have one.
         * You can also set it to "aggressive", which will replace any existing placeholder, or "off".
         * Requires the utilsScript option.
         * Default = "polite"
         */
        autoPlaceholder?: "off" | "polite" | "aggressive" | undefined;

        /**
         * Change the placeholder generated by autoPlaceholder. Must return a string.
         * Default = null
         */
        customPlaceholder?:
            | ((selectedCountryPlaceholder: string, selectedCountryData: CountryData) => string)
            | undefined;

        /**
         * Additional classes to add to the parent div..
         * @default ''
         */
        customContainer?: string | undefined;

        /**
         * Expects a node e.g. document.body. Instead of putting the country dropdown next to the input,
         * append it to the specified node, and it will then be positioned absolutely next to the input using JavaScript.
         * This is useful when the input is inside a container with overflow: hidden.
         * Note that the absolute positioning can be broken by scrolling, so it will automatically close on the window scroll event.
         * Default = null
         */
        dropdownContainer?: Node | undefined;

        /**
         * In the dropdown, display all countries except the ones you specify here.
         * Default = null
         */
        excludeCountries?: string[] | undefined;

        /**
         * Format the input value (according to the nationalMode option) during initialisation, and on setNumber.
         * Requires the utilsScript option.
         * Default = true
         */
        formatOnDisplay?: boolean | undefined;

        /**
         * When setting initialCountry to "auto", you must use this option to
         * specify a custom function that looks up the user's location,
         * and then calls the success callback with the relevant country code.
         * Also note that when instantiating the plugin, if the Promise object is defined,
         * one of those is returned under the promise instance property, so you can
         * do something like iti.promise.then(callback) to know when initialisation requests like this have completed.
         * Default = null
         */
        geoIpLookup?: ((callback: (countryCode: string) => void) => void) | undefined;

        /**
         * Add a hidden input with the given name (or if your input name contains square brackets then it will give the hidden input the same name,
         * replacing the contents of the brackets with the given name). On submit, populate it with the full international number (using getNumber).
         * This is a quick way for people using non-ajax forms to get the full international number, even when nationalMode is enabled.
         * Note: requires the input to be inside a form element, as this feature works by listening for the submit event on the closest form element.
         * Also note that since this uses getNumber internally, it expects a valid number, and so should only be used after validation.
         * Default = ""
         */
        hiddenInput?: string | undefined;

        /**
         * Set the initial country selection by specifying it's country code.
         * You can also set it to "auto", which will lookup the user's country based
         * on their IP address (requires the geoIpLookup option).
         * Note that the "auto" option will not update the country selection if the
         * input already contains a number. If you leave initialCountry blank,
         * it will default to the first country in the list.
         */
        initialCountry?: string | undefined;

        /**
         * Allows to translate the countries by its given iso code e.g.: { 'de': 'Deutschland' }
         * Default = {}
         */
        localizedCountries?: object | undefined;

        /**
         * Allow users to enter national numbers (and not have to think about
         * international dial codes). Formatting, validation and placeholders still
         * work. Then you can use getNumber to extract a full international number.
         * This option now defaults to true, and it is recommended that you leave it
         * that way as it provides a better experience for the user.
         * Default = true
         */
        nationalMode?: boolean | undefined;

        /**
         * In the dropdown, display only the countries you specify.
         * Default = undefined
         */
        onlyCountries?: string[] | undefined;

        /**
         * Specify one of the keys from the global enum intlTelInputUtils.numberType
         * e.g. "FIXED_LINE" to set the number type to use for the placeholder.
         * Default = MOBILE
         */
        placeholderNumberType?: placeholderNumberType | undefined;

        /**
         * Specify the countries to appear at the top of the list.
         * Default = ["us", "gb"]
         */
        preferredCountries?: string[] | undefined;

        /**
         * Display the country dial code next to the selected flag so it's not part
         * of the typed number. Note that this will disable nationalMode because
         * technically we are dealing with international numbers, but with the
         * dial code separated.
         * Default = false
         */
        separateDialCode?: boolean | undefined;

        /**
         * Enable formatting/validation etc. by specifying the URL of the included utils.js script
         * (or alternatively just point it to the file on cdnjs.com). The script is fetched when the page has finished loading (on the window load event)
         *  to prevent blocking (the script is ~215KB). When instantiating the plugin, if the Promise object is defined,
         * one of those is returned under the promise instance property, so you can do something like
         * iti.promise.then(callback) to know when initialisation requests like this have finished.
         * Note that if you're lazy loading the plugin script itself (intlTelInput.js)
         * this will not work and you will need to use the loadUtils method instead.
         * Example: "build/js/utils.js"
         * Default = ""
         */
        utilsScript?: string | undefined;
    }

    interface CountryData {
        name: string;
        iso2: string;
        dialCode: string;
        priority: number;
        areaCodes: string[] | null;
    }

    type placeholderNumberType =
        | "FIXED_LINE_OR_MOBILE"
        | "FIXED_LINE"
        | "MOBILE"
        | "PAGER"
        | "PERSONAL_NUMBER"
        | "PREMIUM_RATE"
        | "SHARED_COST"
        | "TOLL_FREE"
        | "UAN"
        | "UNKNOWN"
        | "VOICEMAIL"
        | "VOIP";
}

declare namespace intlTelInputUtils {
    enum numberFormat {
        E164 = 0,
        INTERNATIONAL = 1,
        NATIONAL = 2,
        RFC3966 = 3,
    }

    enum numberType {
        FIXED_LINE = 0,
        MOBILE = 1,
        FIXED_LINE_OR_MOBILE = 2,
        TOLL_FREE = 3,
        PREMIUM_RATE = 4,
        SHARED_COST = 5,
        VOIP = 6,
        PERSONAL_NUMBER = 7,
        PAGER = 8,
        UAN = 9,
        VOICEMAIL = 10,
        UNKNOWN = -1,
    }

    enum validationError {
        IS_POSSIBLE = 0,
        INVALID_COUNTRY_CODE = 1,
        TOO_SHORT = 2,
        TOO_LONG = 3,
        NOT_A_NUMBER = 4,
    }
}

declare global {
    namespace intlTelInputUtils {
        function formatNumber(number: string, countryCode: string, format: numberFormat): string;
        function getExampleNumber(countryCode: string, isNational: boolean, numberType: numberType): string;
        function getNumberType(number: string, countryCode: string): numberType;
        function getValidationError(number: string, countryCode: string): string;
        function isValidNumber(number: string, countryCode: string): string;

        enum numberFormat {
            E164 = 0,
            INTERNATIONAL = 1,
            NATIONAL = 2,
            RFC3966 = 3,
        }

        enum numberType {
            FIXED_LINE = 0,
            MOBILE = 1,
            FIXED_LINE_OR_MOBILE = 2,
            TOLL_FREE = 3,
            PREMIUM_RATE = 4,
            SHARED_COST = 5,
            VOIP = 6,
            PERSONAL_NUMBER = 7,
            PAGER = 8,
            UAN = 9,
            VOICEMAIL = 10,
            UNKNOWN = -1,
        }

        enum validationError {
            IS_POSSIBLE = 0,
            INVALID_COUNTRY_CODE = 1,
            TOO_SHORT = 2,
            TOO_LONG = 3,
            NOT_A_NUMBER = 4,
        }
    }

    interface Window {
        intlTelInputGlobals: intlTelInput.IntlTelInputGlobals;

        /**
         * initialise the plugin with optional options.
         * @param options options that can be provided during initialization.
         */
        intlTelInput(node: Element, options?: intlTelInput.Options): intlTelInput.Plugin;
    }
}