var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        if (typeof b !== "function" && b !== null)
            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
define(["require", "exports", "../core/Plugin", "../utils/fetch"], function (require, exports, Plugin_1, fetch_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    var Recaptcha = (function (_super) {
        __extends(Recaptcha, _super);
        function Recaptcha(opts) {
            var _this = _super.call(this, opts) || this;
            _this.widgetIds = new Map();
            _this.captchaStatus = 'NotValidated';
            _this.opts = Object.assign({}, Recaptcha.DEFAULT_OPTIONS, opts);
            _this.fieldResetHandler = _this.onResetField.bind(_this);
            _this.preValidateFilter = _this.preValidate.bind(_this);
            _this.iconPlacedHandler = _this.onIconPlaced.bind(_this);
            return _this;
        }
        Recaptcha.prototype.install = function () {
            var _this = this;
            this.core
                .on('core.field.reset', this.fieldResetHandler)
                .on('plugins.icon.placed', this.iconPlacedHandler)
                .registerFilter('validate-pre', this.preValidateFilter);
            var loadPrevCaptcha = typeof window[Recaptcha.LOADED_CALLBACK] === 'undefined' ? function () { } : window[Recaptcha.LOADED_CALLBACK];
            window[Recaptcha.LOADED_CALLBACK] = function () {
                loadPrevCaptcha();
                var captchaOptions = {
                    badge: _this.opts.badge,
                    callback: function () {
                        if (_this.opts.backendVerificationUrl === '') {
                            _this.captchaStatus = 'Valid';
                            _this.core.updateFieldStatus(Recaptcha.CAPTCHA_FIELD, 'Valid');
                        }
                    },
                    'error-callback': function () {
                        _this.captchaStatus = 'Invalid';
                        _this.core.updateFieldStatus(Recaptcha.CAPTCHA_FIELD, 'Invalid');
                    },
                    'expired-callback': function () {
                        _this.captchaStatus = 'NotValidated';
                        _this.core.updateFieldStatus(Recaptcha.CAPTCHA_FIELD, 'NotValidated');
                    },
                    sitekey: _this.opts.siteKey,
                    size: _this.opts.size,
                };
                var widgetId = window['grecaptcha'].render(_this.opts.element, captchaOptions);
                _this.widgetIds.set(_this.opts.element, widgetId);
                _this.core.addField(Recaptcha.CAPTCHA_FIELD, {
                    validators: {
                        promise: {
                            message: _this.opts.message,
                            promise: function (input) {
                                var _a;
                                var value = _this.widgetIds.has(_this.opts.element)
                                    ? window['grecaptcha'].getResponse(_this.widgetIds.get(_this.opts.element))
                                    : input.value;
                                if (value === '') {
                                    _this.captchaStatus = 'Invalid';
                                    return Promise.resolve({
                                        valid: false,
                                    });
                                }
                                else if (_this.opts.backendVerificationUrl === '') {
                                    _this.captchaStatus = 'Valid';
                                    return Promise.resolve({
                                        valid: true,
                                    });
                                }
                                else if (_this.captchaStatus === 'Valid') {
                                    return Promise.resolve({
                                        valid: true,
                                    });
                                }
                                else {
                                    return (0, fetch_1.default)(_this.opts.backendVerificationUrl, {
                                        method: 'POST',
                                        params: (_a = {},
                                            _a[Recaptcha.CAPTCHA_FIELD] = value,
                                            _a),
                                    })
                                        .then(function (response) {
                                        var isValid = "" + response['success'] === 'true';
                                        _this.captchaStatus = isValid ? 'Valid' : 'Invalid';
                                        return Promise.resolve({
                                            meta: response,
                                            valid: isValid,
                                        });
                                    })
                                        .catch(function (_reason) {
                                        _this.captchaStatus = 'NotValidated';
                                        return Promise.reject({
                                            valid: false,
                                        });
                                    });
                                }
                            },
                        },
                    },
                });
            };
            var src = this.getScript();
            if (!document.body.querySelector("script[src=\"" + src + "\"]")) {
                var script = document.createElement('script');
                script.type = 'text/javascript';
                script.async = true;
                script.defer = true;
                script.src = src;
                document.body.appendChild(script);
            }
        };
        Recaptcha.prototype.uninstall = function () {
            if (this.timer) {
                clearTimeout(this.timer);
            }
            this.core
                .off('core.field.reset', this.fieldResetHandler)
                .off('plugins.icon.placed', this.iconPlacedHandler)
                .deregisterFilter('validate-pre', this.preValidateFilter);
            this.widgetIds.clear();
            var src = this.getScript();
            var scripts = [].slice.call(document.body.querySelectorAll("script[src=\"" + src + "\"]"));
            scripts.forEach(function (s) { return s.parentNode.removeChild(s); });
            this.core.removeField(Recaptcha.CAPTCHA_FIELD);
        };
        Recaptcha.prototype.getScript = function () {
            var lang = this.opts.language ? "&hl=" + this.opts.language : '';
            return "https://www.google.com/recaptcha/api.js?onload=" + Recaptcha.LOADED_CALLBACK + "&render=explicit" + lang;
        };
        Recaptcha.prototype.preValidate = function () {
            var _this = this;
            if (this.opts.size === 'invisible' && this.widgetIds.has(this.opts.element)) {
                var widgetId_1 = this.widgetIds.get(this.opts.element);
                return this.captchaStatus === 'Valid'
                    ? Promise.resolve()
                    : new Promise(function (resolve, _reject) {
                        window['grecaptcha'].execute(widgetId_1).then(function () {
                            if (_this.timer) {
                                clearTimeout(_this.timer);
                            }
                            _this.timer = window.setTimeout(resolve, 1 * 1000);
                        });
                    });
            }
            else {
                return Promise.resolve();
            }
        };
        Recaptcha.prototype.onResetField = function (e) {
            if (e.field === Recaptcha.CAPTCHA_FIELD && this.widgetIds.has(this.opts.element)) {
                var widgetId = this.widgetIds.get(this.opts.element);
                window['grecaptcha'].reset(widgetId);
            }
        };
        Recaptcha.prototype.onIconPlaced = function (e) {
            if (e.field === Recaptcha.CAPTCHA_FIELD) {
                if (this.opts.size === 'invisible') {
                    e.iconElement.style.display = 'none';
                }
                else {
                    var captchaContainer = document.getElementById(this.opts.element);
                    if (captchaContainer) {
                        captchaContainer.parentNode.insertBefore(e.iconElement, captchaContainer.nextSibling);
                    }
                }
            }
        };
        Recaptcha.CAPTCHA_FIELD = 'g-recaptcha-response';
        Recaptcha.DEFAULT_OPTIONS = {
            backendVerificationUrl: '',
            badge: 'bottomright',
            size: 'normal',
            theme: 'light',
        };
        Recaptcha.LOADED_CALLBACK = '___reCaptchaLoaded___';
        return Recaptcha;
    }(Plugin_1.default));
    exports.default = Recaptcha;
});