import useSWR from "swr";
import { Field, reduxForm } from "redux-form";
import router from "next/router";
import DatePicker from "react-datepicker";
import React, { useState } from "react";
import "react-datepicker/dist/react-datepicker.css";
import moment from "moment";

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

export function Textfield(props) {
    const { name, label } = props;
    const required = (value) => (value ? undefined : "Required");

    return (
        <Field
            name={props.name}
            id={props.name}
            component={RenderTextfield}
            type="text"
            className="govuk-input govuk-input--width-20"
            validate={[required]}
            label={props.label}
            errorMsg="Is required"
        />
    );
}

const RenderMultiline = ({
    className,
    rows,
    datafieldname,
    name,
    label,
    input,
    meta: { touched, error },
    ...custom
}) => {
    return (
        <>
            <textarea {...input} rows={rows} className={className}></textarea>
        </>
    );
};

export function MultiLinefield(props) {
    const { name, label } = props;

    return (
        <div className="govuk-form-group">
            <h1 className="govuk-label-wrapper">
                <label className="govuk-label" htmlFor="more-detail">
                    {props.label}
                </label>
            </h1>
            <div
                id="more-detail-hint"
                className="govuk-hint govuk-!-font-size-14"
            >
                Do not include personal or financial information, like your
                National Insurance number or credit card details.
            </div>

            <Field
                name={props.name}
                id={props.name}
                component={RenderMultiline}
                type="text"
                rows="5"
                className="govuk-textarea govuk-input--width-30"
                aria-describedby="more-detail-hint"
            />
        </div>
    );
}

const RenderDatePicker = ({
    datafieldname,
    name,
    label,
    id,
    errorMsg,
    input: { onChange, value },
    meta: { touched, error },
    ...custom
}) => {
    return (
        <>
            <div
                className={
                    touched && error
                        ? "govuk-form-group govuk-form-group--error"
                        : "govuk-form-group "
                }
            >
                <fieldset
                    className="govuk-fieldset"
                    role="group"
                    aria-describedby="dob-hint"
                >
                    <legend className="govuk-fieldset__legend govuk-fieldset__legend--s govuk-!-font-weight-regular">
                        <label
                            className="govuk-fieldset__heading"
                            id={id + "_label"}
                        >
                            {label}
                        </label>
                    </legend>
                    {touched && error && (
                        <span
                            id={id + "-error"}
                            className="govuk-error-message"
                        >
                            <span className="govuk-visually-hidden">
                                Error:
                            </span>{" "}
                            {errorMsg}
                        </span>
                    )}
                    <DatePicker
                        {...custom}
                        autoOk={true}
                        dateFormat="dd/MM/yyyy"
                        onChange={onChange}
                        selected={value || null}

                        // value={!value ? null : new Date(value)}
                    />
                </fieldset>
            </div>
        </>
    );
};

export function DateFieldPicker(props) {
    const { name, label } = props;
    const required = (value) => (value ? undefined : "Required");

    return (
        <Field
            name={name}
            id={name}
            label={label}
            component={RenderDatePicker}
            //validate={[required]}
            errorMsg="Select a date"
        />
    );
}

export function DateField(props) {
    const { name, label } = props;

    return (
        <div className="govuk-form-group">
            <fieldset
                className="govuk-fieldset"
                role="group"
                aria-describedby="dob-hint"
            >
                <legend className="govuk-fieldset__legend govuk-fieldset__legend--s govuk-!-font-weight-regular">
                    <label className="govuk-fieldset__heading">
                        {props.label}
                    </label>
                </legend>
                <div className="govuk-date-input" id="dob">
                    <div className="govuk-date-input__item">
                        <div className="govuk-form-group">
                            <label
                                className="govuk-label govuk-date-input__label govuk-!-font-size-14"
                                htmlFor={props.name + "-day"}
                            >
                                Day
                            </label>
                            <Field
                                name={props.name + "-day"}
                                id={props.name + "-day"}
                                component="input"
                                type="text"
                                pattern="[0-9]*"
                                inputMode="numeric"
                                className="govuk-input govuk-date-input__input govuk-input--width-2"
                            />
                        </div>
                    </div>
                    <div className="govuk-date-input__item">
                        <div className="govuk-form-group">
                            <label
                                className="govuk-label govuk-date-input__label govuk-!-font-size-14"
                                htmlFor={props.name + "-month"}
                            >
                                Month
                            </label>
                            <Field
                                name={props.name + "-month"}
                                id={props.name + "-month"}
                                component="input"
                                type="text"
                                pattern="[0-9]*"
                                inputMode="numeric"
                                className="govuk-input govuk-date-input__input govuk-input--width-2"
                            />
                        </div>
                    </div>
                    <div className="govuk-date-input__item">
                        <div className="govuk-form-group">
                            <label
                                className="govuk-label govuk-date-input__label govuk-!-font-size-14"
                                htmlFor={props.name + "-year"}
                            >
                                Year
                            </label>
                            <Field
                                name={props.name + "-year"}
                                id={props.name + "-year"}
                                component="input"
                                type="text"
                                pattern="[0-9]*"
                                inputMode="numeric"
                                className="govuk-input govuk-date-input__input govuk-input--width-4"
                            />
                        </div>
                    </div>
                </div>
            </fieldset>
        </div>
    );
}

const RenderYesNo = ({
    datafieldname,
    name,
    label,
    id,
    errorMsg,
    options,
    input: { onChange, value },
    meta: { touched, error },
    ...custom
}) => {
    return (
        <>
            <div
                className={
                    touched && error
                        ? "govuk-form-group govuk-form-group--error"
                        : "govuk-form-group "
                }
            >
                <fieldset
                    className="govuk-fieldset"
                    aria-describedby={name + "-hint"}
                >
                    <legend className="govuk-fieldset__legend govuk-fieldset__legend--s govuk-!-font-weight-regular">
                        <label
                            className="govuk-fieldset__heading govuk-body-m"
                            id={id + "_label"}
                        >
                            {label}
                        </label>
                    </legend>
                    {touched && error && (
                        <span
                            id={id + "-error"}
                            className="govuk-error-message"
                        >
                            <span className="govuk-visually-hidden">
                                Error:
                            </span>{" "}
                            {errorMsg}
                        </span>
                    )}
                    <div className="govuk-radios govuk-radios--inline govuk-radios--small">
                        {Object.keys(options).map((key, index) => (
                            <div
                                className="govuk-radios__item"
                                data-children-count={key}
                                key={key}
                            >
                                <Field
                                    id={id + "_" + index}
                                    name={id}
                                    component="input"
                                    type="radio"
                                    className="govuk-radios__input"
                                    value={options[key]}
                                />
                                <label
                                    className="govuk-label govuk-radios__label"
                                    htmlFor={id + "_" + index}
                                >
                                    {options[key]}
                                </label>
                            </div>
                        ))}
                    </div>
                </fieldset>
            </div>
        </>
    );
};

export function YesNofield(props) {
    const { name, label } = props;
    const yesNo = ["Yes", "No"];
    const required = (value) => (value ? undefined : "Required");

    return (
        <Field
            name={props.name}
            datafieldname={props.name}
            label={props.label}
            options={yesNo}
            id={props.name}
            className="govuk-radios__input"
            //validate={[required]}
            errorMsg="Select and option"
            component={RenderYesNo}
        />
    );
}

const RenderPickList = ({
    datafieldname,
    name,
    label,
    input,
    meta: { touched, errorStr },
}) => {
    const fetcher = (url) => fetch(url).then((res) => res.json());

    const { data, error } = useSWR("/api/lookups/" + datafieldname, fetcher);
    if (error)
        return (
            <div className="govuk-form-group">
                <label className="govuk-label govuk-body-m" htmlFor={name}>
                    {label}
                </label>
                <select className="govuk-select" id={name} name={name}>
                    <option value="">empty</option>
                </select>
            </div>
        );
    if (!data)
        return (
            <div>
                <div className="govuk-form-group">{label} loading...</div>
            </div>
        );
    //console.log(JSON.stringify(data.GlobalOptionSet.Options));

    const dropdownObj = data.GlobalOptionSet.Options;

    return (
        <div>
            <select {...input} className="govuk-select" id={name} name={name}>
                <option>Select...</option>
                {Object.keys(dropdownObj).map((key, index) => {
                    return (
                        <option
                            key={key}
                            value={
                                dropdownObj[key].Label.LocalizedLabels[0].value
                            }
                            // value={dropdownObj[key].Label.LocalizedLabels[0].MetadataId}
                        >
                            {dropdownObj[key].Label.LocalizedLabels[0].Label}
                        </option>
                    );
                })}
            </select>

            {touched && errorStr && <span>{errorStr}</span>}
        </div>
    );
};

export function PickList(props) {
    const { name, label, datafieldname } = props;

    return (
        <div className="govuk-form-group">
            <label className="govuk-label govuk-body-m" htmlFor={props.name}>
                {props.label}
            </label>
            <Field
                name={props.name}
                component={RenderPickList}
                datafieldname={datafieldname}
            />
        </div>
    );
}

export function NumericField(props) {
    const { name, label } = props;

    return (
        <div className="govuk-form-group">
            <label className="govuk-label" htmlFor={props.name}>
                {props.label}
            </label>
            <Field
                name={props.name}
                id={props.name}
                component="input"
                type="text"
                className="govuk-input  govuk-input--width-20"
                spellCheck="false"
                aria-describedby="account-number-hint"
                pattern="[0-9]*"
                inputMode="numeric"
            />
        </div>
    );
}

export function DecimalField(props) {
    const { name, label } = props;

    return (
        <div className="govuk-form-group">
            <label className="govuk-label" htmlFor={props.name}>
                {props.label}
            </label>
            <Field
                name={props.name}
                id={props.name}
                component="input"
                type="text"
                className="govuk-input  govuk-input--width-10"
                spellCheck="false"
                aria-describedby="account-number-hint"
                pattern="[0-9]*"
                inputMode="numeric"
            />
        </div>
    );
}

const RenderCaseID = {};

export function ReadOnlyfield(props) {
    const { name, label, value } = props;
    //console.log(props.value.refno);
    return (
        <div className="govuk-form-group">
            <label className="govuk-label " htmlFor={props.name}>
                {props.label}
            </label>
            <input
                type="text"
                name={props.name}
                id={props.name}
                component={RenderCaseID}
                value={value}
                className="govuk-input  govuk-input--width-20"
                disabled
            />
        </div>
    );
}