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";

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 ">
                    {hint1}
                    <br />
                    <span className="govuk-body-s">
                        <span className="govuk-!-font-weight-bold">
                            {hint2}
                        </span>{" "}
                        CAS-00009-W8N6W4
                    </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>
        </>
    );
};

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

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

    const onHandleSubmit = (values) => {
        router.replace({
            pathname: "/searchresults",
            query: { q: values.basicSearch },
            shallow: true,
        });
    };

    return (
        <div className="card" id="casesearch-card">
            <form onSubmit={handleSubmit(onHandleSubmit)}>
                <div className="card-body">
                    <h3 className="heading-small card-heading">
                        {t("home:casesearch-card-title")}
                    </h3>

                    <Field
                        validate={[
                            required(
                                t("home:casesearch-search-validation-required")
                            ),
                            minLength(
                                t("home:casesearch-search-validation-minlength")
                            ),
                        ]}
                        className="govuk-input"
                        component={RenderTextfield}
                        id="basicSearch"
                        name="basicSearch"
                        type="text"
                        aria-describedby="basicSearch-hint"
                        hint1={t("home:casesearch-card-search-hint")}
                        hint2={t("home:casesearch-card-search-example-label")}
                    />

                    <div className="govuk-form-group">
                        <button type="submit" className="govuk-button">
                            {t("home:casesearch-card-button")}
                        </button>
                    </div>
                    <Link href="/advancedsearch">
                        <a>{t("home:casesearch-card-advanced-link")}</a>
                    </Link>
                </div>
            </form>
        </div>
    );
};

const mapStateToProps = (state) => {
    return {
        ...state,
    };
};

const mapDispatchToProps = (dispatch) => {
    return {};
};

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