import Link from "next/link";
import _, { has } from "lodash";
import { useRouter } from "next/router";
import useTranslation from "next-translate/useTranslation";
import { useState, useEffect } from "react";
import xpath from "xpath";
import BuildRow from "./buildrow";
import { reduxForm, formValueSelector, getFormSubmitErrors } from "redux-form";
import { useDispatch, useSelector, shallowEqual, connect } from "react-redux";
import {
    setCaseReference,
    setCurrentSection,
    setDocumentsList,
} from "../../store/appealType/action";
import { getFormCollectionByID } from "../utils";
import { updateCase, patchCase } from "../../actions";

import { FieldsTranslations } from "../elements";

import { query } from "jsonpath";

let BuildSection = (props) => {
    // useEffect(() => {
    //     window.scrollTo(0, 0);
    // });

    let { t } = useTranslation();

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

    const {
        formXML,
        sectionCount,
        onSubmit,
        handleSubmit,
        load,
        pristine,
        reset,
        formTitle,
        setCurrentSection,
        refno,
        gotoSection,
        mandatoryFieldsData,
    } = props;

    const documentListObj = props.appealType.documentList;
    const currentSection = props.appealType.currentSection;
    const parser = new DOMParser();
    var doc = parser.parseFromString(props.formXML, "text/xml");
    var titles = xpath.select(
        "//form/tabs/tab[" + currentSection + " ]/labels/label/@description",
        doc
    );
    var rowXML = xpath.select(
        "/form/tabs/tab[" +
            currentSection +
            "]/columns//sections/section/rows/row",
        //"/form/tabs/tab/columns//sections/section/rows/row",
        doc
    );

    var titleList = xpath.select(
        "//form/tabs/tab[*]/labels/label/@description",
        doc
    );

    const handleParam = (setValue) => (e) => setValue(e.target.value);

    const updateCaseProgress = (values) => {
        let incidentId = props.appealType.caseReference.incidentid;
        let updateBody = values || {};

        let appTypeCollection = getFormCollectionByID(
            props.appealType.appealTypeID
        );
        let updateBindAppealTypeToIncident =
            appTypeCollection.NavigationProperty;

        Object.assign(updateBody, {
            "pinswg_Appellant@odata.bind":
                "/contacts(" + props.props.accountDetails.loggedinUserId + ")",
            "pinswg_name": props.appealType.caseReference.ticketnumber,
            [updateBindAppealTypeToIncident + "@odata.bind"]:
                "/incidents(" + incidentId + ")",
        });

        updateBody = JSON.stringify(updateBody);
        updateBody = updateBody.replace(/:"Yes"/gm, `:true`);
        updateBody = updateBody.replace(/:"No"/gm, `:false`);
        updateBody = JSON.parse(updateBody);

        Object.keys(updateBody).forEach((key) => {
            if (updateBody[key] === null) {
                delete updateBody[key];
            }
            if (key.indexOf("_") == 0) {
                delete updateBody[key];
            }
        });

        console.log(updateBody);

        let updateFormCollection = appTypeCollection.LogicalCollectionName;
        let primaryAttribute = appTypeCollection.PrimaryIdAttribute;

        console.log(
            incidentId,
            updateBody,
            updateFormCollection,
            primaryAttribute,
            props.appealType.caseReference.ticketnumber
        );
        updateCase(
            incidentId,
            updateBody,
            updateFormCollection,
            primaryAttribute,
            props.appealType.caseReference.ticketnumber
        );
        //console.log("patching////////");
        //patchCase(incidentId);
    };

    const onHandleSubmit = (values) => {
        //alert(1);
        //updateCaseProgress(values);
        setCurrentSection(currentSection + 1);
    };

    const [hasErrors, setHasErrors] = useState("");

    const getErrors = () => {
        let errorsobj = props.props.form["appealForm"];
        //setHasErrors(errorsobj.hasOwnProperty("syncErrors"));
        window.scrollTo(0, 0);
    };

    let errorsobj = {};
    const ShowErrorHeader = (props) => {
        errorsobj = props.props.appealForm.syncErrors;
        errorsobj = _.keys(errorsobj);

        const getErrorLabel = (whichField) => {
            var doc = parser.parseFromString(props.formXML, "text/xml");
            var errorFieldLabel = xpath.select(
                "//*[control/@id='" + whichField + "']//@description",
                doc
            );

            return errorFieldLabel[0].value;
        };

        const ShowErrors = () => {
            let errorList = [];
            for (let i = 0; i < errorsobj.length; ++i) {
                //get label from error key - search rowxml for id = errorobj

                errorList.push(
                    <li key={i}>
                        <a href={"#" + errorsobj[i] + "_label"}>
                            {" "}
                            {getErrorLabel(errorsobj[i])}
                        </a>
                    </li>
                );
            }

            return errorList;
        };

        return !_.isEmpty(errorsobj) ? (
            <div
                className="govuk-error-summary"
                aria-labelledby="error-summary-title"
                role="alert"
                tabIndex="-1"
                data-module="govuk-error-summary"
            >
                <h2
                    className="govuk-error-summary__title"
                    id="error-summary-title"
                >
                    The following fields have a problem :
                </h2>
                <div className="govuk-error-summary__body">
                    <ul className="govuk-list govuk-error-summary__list">
                        <ShowErrors />
                    </ul>
                </div>
            </div>
        ) : (
            ""
        );
    };

    return (
        <div className="govuk-grid-row">
            <div className="govuk-grid-column-two-thirds">
                <h1 className="govuk-heading-m  govuk-!-margin-top-5">
                    {titles[0].value}
                </h1>
                <form onSubmit={handleSubmit(onHandleSubmit)}>
                    {hasErrors == true ? (
                        <ShowErrorHeader
                            hasErrors={hasErrors}
                            props={props.props.form}
                            formXML={formXML}
                        />
                    ) : (
                        ""
                    )}
                    <BuildRow
                        rowXML={rowXML}
                        whichSection={props.whichSection}
                        sectionCount={props.sectionCount}
                        onSubmit={onSubmit}
                        mandatoryFieldsData={mandatoryFieldsData}
                        props={props}
                    />

                    <div className="govuk-button-group">
                        {props.sectionCount != currentSection ? (
                            <button
                                type="submit"
                                className="govuk-button"
                                data-module="govuk-button"
                                onClick={() => getErrors()}
                            >
                                Continue
                            </button>
                        ) : (
                            ""
                        )}
                        {props.sectionCount == currentSection ? (
                            <button
                                type="submit"
                                className="govuk-button"
                                data-module="govuk-button"
                            >
                                Submit
                            </button>
                        ) : (
                            ""
                        )}
                        {currentSection > 1 ? (
                            <a
                                className="govuk-link"
                                href="#"
                                onClick={() =>
                                    setCurrentSection(currentSection - 1)
                                }
                            >
                                Back
                            </a>
                        ) : (
                            ""
                        )}
                    </div>
                </form>
            </div>
            <div className="govuk-grid-column-one-third">
                <div className="at-nav-container">
                    <nav
                        role="navigation"
                        aria-labelledby="progress-list"
                        className="at-nav"
                    >
                        <h3 className="govuk-heading-s govuk-!-font-weight-bold gov-font-dark-grey progress-heading">
                            {t("newappeal:new-appeal-progress-nav-label")}:{" "}
                            <span className="progress-case-reference">
                                {props.appealType.caseReference.ticketnumber}
                            </span>
                        </h3>
                        <hr className="govuk-section-break govuk-section-break--m govuk-section-break--visible" />

                        <ol className="govuk-list">
                            <ul className="govuk-list ">
                                <li className="at-nav__page">
                                    <ol className="govuk-list">
                                        {Object.keys(titleList).map((key) =>
                                            parseInt(key) + 1 ==
                                            currentSection ? (
                                                <li key={key}>
                                                    <b>
                                                        {FieldsTranslations(
                                                            titleList[key].value
                                                        )}{" "}
                                                    </b>
                                                </li>
                                            ) : (
                                                <li key={key}>
                                                    {props.appealType
                                                        .formComplete ==
                                                        "true" ||
                                                    parseInt(key) + 1 <
                                                        currentSection ? (
                                                        <a
                                                            className="govuk-link"
                                                            href="#"
                                                            onClick={() => {
                                                                gotoSection(
                                                                    parseInt(
                                                                        key
                                                                    ) + 1
                                                                );
                                                            }}
                                                        >
                                                            {FieldsTranslations(
                                                                titleList[key]
                                                                    .value
                                                            )}
                                                        </a>
                                                    ) : (
                                                        FieldsTranslations(
                                                            titleList[key].value
                                                        )
                                                    )}
                                                </li>
                                            )
                                        )}
                                    </ol>
                                </li>
                            </ul>
                        </ol>
                    </nav>

                    {Object.keys(documentListObj).length > 0 && (
                        <div>
                            <h3 className="govuk-heading-s govuk-!-font-weight-bold gov-font-dark-grey">
                                {t("newappeal:new-appeal-documentlist-nav")}:
                            </h3>
                            <hr className="govuk-section-break govuk-section-break--m govuk-section-break--visible" />
                            <ol className="govuk-list document-list">
                                <ul className="govuk-list ">
                                    <li className="at-nav__page">
                                        <ol className="govuk-list govuk-list--bullet">
                                            {Object.entries(
                                                documentListObj
                                            ).map(([key, value]) => {
                                                return (
                                                    <li key={key}>{value}</li>
                                                );
                                            })}
                                        </ol>
                                    </li>
                                </ul>
                            </ol>
                        </div>
                    )}
                    <hr className="govuk-section-break govuk-section-break--m govuk-section-break--visible" />
                    <button
                        className="govuk-button govuk-button--secondary progress-save "
                        onClick={() => {
                            let valuesObj = props.props.form[props.form].values;

                            console.log("valuesobj:", valuesObj);

                            delete valuesObj["_pinswg_appellant_value"];

                            console.log("on save:", valuesObj);
                            updateCaseProgress(valuesObj);
                            router.replace(
                                router.locale != "en"
                                    ? router.locale + "/myportal"
                                    : "/myportal"
                            );
                        }}
                    >
                        Save and exit
                    </button>
                </div>
            </div>
        </div>
    );
};

const mapStateToProps = (state) => {
    return {
        search: state.search,
        searchResultsObj: state.searchResultsObj,
        formData: state.formData,
        appealType: state.appealType,
        initialValues: state.appealType.caseReference.caseDetails,
        //form: state.form,
    };
};

const mapDispatchToProps = (dispatch) => {
    return {
        setCurrentSection: (currentSection) => {
            dispatch(setCurrentSection(currentSection));
        },
        gotoSection: (thisSection) => {
            dispatch(setCurrentSection(thisSection));
        },
        setDocumentsList: (documentList) => {
            dispatch(setDocumentsList(documentList));
        },
    };
};

const selector = formValueSelector("appealForm"); // <-- same as form name

export default connect(
    mapStateToProps,
    mapDispatchToProps
)(
    reduxForm({
        form: "appealForm",
        destroyOnUnmount: false,
        enableReinitialize: true, // this is needed!!
    })(BuildSection)
);