import Link from "next/link";
import { useState } from "react";
import { useRouter } from "next/router";
import useTranslation from "next-translate/useTranslation";
import { connect } from "react-redux";
import { Field, reduxForm } from "redux-form";
import LoadingOverlay from "react-loading-overlay";
import { getLogin } from "../../actions";
import { setLoggedInUserId } from "../../store/accountDetails/action";

const required = (errorMsg) => (value) =>
    value || typeof value === "number" ? undefined : errorMsg;

export const minLength = (errorMsg) => (value) =>
    value && value.length < 4
        ? errorMsg //`Must be ${min} characters or more`
        : undefined;

const RenderTextfield = ({
    id,
    className,
    rows,
    datafieldname,
    name,
    label,
    input,
    hint1,
    hint2,
    meta: { touched, error },
    ...custom
}) => {
    return (
        <>
            <div
                className={
                    touched && error
                        ? "govuk-form-group govuk-form-group--error"
                        : "govuk-form-group "
                }
            >
                <div id="basicSearch-hint" className="govuk-hint ">
                    <span className="govuk-body-m">{hint1}</span>

                    <br />
                    <span className="govuk-body-s">{hint2}</span>
                </div>
                <label className="govuk-label " htmlFor={id} id={id + "_label"}>
                    {label}
                </label>
                {touched && error && (
                    <span id={id + "-error"} className="govuk-error-message">
                        <span className="govuk-visually-hidden">Error:</span>{" "}
                        {error}
                    </span>
                )}
                <input {...input} className={className} name={name} id={id} />
            </div>
        </>
    );
};
const RenderPasswordfield = ({
    id,
    className,
    rows,
    datafieldname,
    name,
    label,
    input,
    hint1,
    hint2,
    meta: { touched, error },
    ...custom
}) => {
    return (
        <>
            <div
                className={
                    touched && error
                        ? "govuk-form-group govuk-form-group--error"
                        : "govuk-form-group "
                }
            >
                <div id="basicSearch-hint" className="govuk-hint ">
                    <span className="govuk-body-m">{hint1}</span>
                </div>
                <label className="govuk-label " htmlFor={id} id={id + "_label"}>
                    {label}
                </label>
                {touched && error && (
                    <span id={id + "-error"} className="govuk-error-message">
                        <span className="govuk-visually-hidden">Error:</span>{" "}
                        {error}
                    </span>
                )}
                <input
                    {...input}
                    type="password"
                    className={className}
                    name={name}
                    id={id}
                />
            </div>
        </>
    );
};

let Login = (props) => {
    let { t } = useTranslation();
    const { handleSubmit, pristine, reset, submitting, setLoggedInUserId } =
        props;

    const router = useRouter();
    const { locale } = router;

    const [showSpinnerState, setShowSpinnerState] = useState(false);
    const [validLoginID, setValidLoginID] = useState(null);

    let spinnerState = () => {
        showSpinnerState == true
            ? setShowSpinnerState(false)
            : setShowSpinnerState(true);
    };

    const onHandleSubmit = (values) => {
        spinnerState();

        getLogin(values.loginUserID, values.loginUserPassword).then((data) => {
            data.value.length != 0
                ? (setValidLoginID(true),
                  setLoggedInUserId(data.value[0].contactid),
                  spinnerState(),
                  router.replace({
                      pathname:
                          router.locale == "cy" ? "/fymhorth" : "/myportal",
                      query: { q: data.value[0].contactid },
                      shallow: true,
                  }))
                : (setShowSpinnerState(false), setValidLoginID(false));
        });
    };

    return (
        <div className="card" id="login-card">
            <form onSubmit={handleSubmit(onHandleSubmit)}>
                <div className="card-body active">
                    <h3 className="heading-small card-heading">
                        {t("home:login-card-title")}
                    </h3>
                    {validLoginID == false && (
                        <div className="govuk-error-message govuk-form-group--error">
                            Incorrect username or password
                        </div>
                    )}
                    <Field
                        // validate={[
                        //     required(
                        //         t("home:casesearch-search-validation-required")
                        //     ),
                        //     minLength(
                        //         t("home:casesearch-search-validation-minlength")
                        //     ),
                        // ]}
                        className="govuk-input"
                        component={RenderTextfield}
                        id="loginUserID"
                        name="loginUserID"
                        type="text"
                        aria-describedby="basicSearch-hint"
                        hint1={t("home:login-card-id-label")}
                        hint2={t("home:login-card-id-hint")}
                    />

                    <Field
                        // validate={[
                        //     required(
                        //         t("home:casesearch-search-validation-required")
                        //     ),
                        //     minLength(
                        //         t("home:casesearch-search-validation-minlength")
                        //     ),
                        // ]}
                        className="govuk-input"
                        component={RenderPasswordfield}
                        id="loginUserPassword"
                        name="loginUserPassword"
                        type="password"
                        label="Password"
                    />

                    <div className="govuk-form-group">
                        {/* <Link
                            href={
                                router.locale == "cy"
                                    ? "/fymhorth"
                                    : "/myportal"
                            }
                        >
                            <a className="govuk-button">
                                {t("home:login-card-button")}
                            </a>
                        </Link> */}
                        <button type="submit" className="govuk-button">
                            {t("home:login-card-button")}
                        </button>
                    </div>
                    <div className="govuk-form-group govuk-!-margin-top-4">
                        <p className="govuk-body-s">
                            {t("home:login-card-register-label")}{" "}
                            <Link
                                href={
                                    router.locale == "cy"
                                        ? "/cyfrif/cofrestr"
                                        : "/account/register"
                                }
                            >
                                <a className="govuk-link--no-underline">
                                    {t("home:login-card-register-link")}
                                </a>
                            </Link>
                        </p>
                        <p className="govuk-body-s">
                            <Link href="/">
                                <a className="govuk-link--no-underline">
                                    {t("home:login-card-forgotten-label")}{" "}
                                </a>
                            </Link>
                        </p>
                    </div>
                </div>
            </form>
            <LoadingOverlay
                active={showSpinnerState}
                spinner
                text="Logging in"
            />
        </div>
    );
};

const mapStateToProps = (state) => {
    return {
        currentView: state.currentView,
        search: state.search,
        searchResultsObj: state.searchResultsObj,
        formData: state.formData,
        appealType: state.appealType,
        //form: state.form,
        myCases: state.myCases,
        watchedCases: state.watchedCases,
        myRepresentations: state.myRepresentations,
        awaitingSubmission: state.awaitingSubmission,
    };
};

const mapDispatchToProps = (dispatch) => {
    return {
        setLoggedInUserId: (userID) => {
            dispatch(setLoggedInUserId(userID));
        },
    };
};

export default connect(
    mapStateToProps,
    mapDispatchToProps
)(
    reduxForm({
        form: "loginForm",
        destroyOnUnmount: false,
    })(Login)
);