import Link from "next/link";
import _, { has, last } 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,
    setFilesForAppeal,
    setNewAppealProgress,
} from "../../store/appealType/action";
import { getFormCollectionByID, getProgressObj } from "../utils";
import { updateCase, patchCase, uploadFiles, sendEmail } from "../../actions";

import { FieldsTranslations } from "../elements";
import jsonpath from "jsonpath";
import BuildProgress from "./buildprogress";

let BuildSection = (props) => {
    const [currentSectionSelected, setCurrentSectionSelected] = useState(1);
    const [pickupWhereLeftOff, setPickupWhereLeftOff] = useState(true);

    const [savingStatus, setSavingStatus] = useState(false);

    useEffect(() => {
        progObj = getProgressObj(
            formXML,
            titleList,
            mandatoryFieldsData,
            props
        );
        //     const lastIndex = progObj
        //         .map((whichIsLast) => whichIsLast.allFieldsComplete == true)
        //         .lastIndexOf(true);

        //     setCurrentSection(currentSectionSelected + 1);

        //     pickupWhereLeftOff == true && setCurrentSection(lastIndex + 1),
        //         setPickupWhereLeftOff(false);

        //     // lastIndex != currentSectionSelected
        //     //     ? (setCurrentSectionSelected(lastIndex),
        //     //       setPickupWhereLeftOff(true))
        //     //     : setPickupWhereLeftOff(false);
    });

    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 formObjXML = xpath.select("/form/tabs", doc);

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

    const progObj = getProgressObj(
        formXML,
        titleList,
        mandatoryFieldsData,
        props
    );

    const isProgressComplete = (progObj) => {
        const progressCount = 0;

        for (let key in progObj) {
            progObj[key].allFieldsComplete === true && progressCount++;
        }

        return progObj.length == progressCount;
    };

    const lastIndex = progObj
        .map((whichIsLast) => whichIsLast.allFieldsComplete == true)
        .lastIndexOf(true);

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

    const uploadAppealFiles = (values) => {
        // get filelists from values object
        let fileListObj = _.filter(values, function (v, key) {
            return _.includes(key, "pinswg_fileUpload");
        });

        //console.log(fileListObj);

        console.log(
            "\n////////////////////////\n upload files:",
            props.props.accountDetails.containerID
        );

        var dataObj = values;

        for (let key in dataObj) {
            _.includes(key, "pinswg_fileUpload") == true && delete dataObj[key];
        }

        uploadFiles(
            dataObj,
            fileListObj,
            props.props.accountDetails.containerID,
            props.props.appealType.caseReference.ticketnumber
        ).then((data) => {
            //console.log("hello", data);

            return data;
        });
    };

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

        setSavingStatus(useSaveStatus);
        uploadAppealFiles(values);
        props.setNewAppealProgress(
            getProgressObj(formXML, titleList, mandatoryFieldsData, props)
        );

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

        Object.assign(updateBody, {
            "pinswg_appealcasetype": props.appealType.appealTypeID,
            "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;

        // updateCase(
        //     incidentId,
        //     updateBody,
        //     updateFormCollection,
        //     primaryAttribute,
        //     props.appealType.caseReference.ticketnumber
        // );

        sendSavedEmail == true &&
            sendEmail(
                props.props.accountDetails.loggedinUserEmail,
                "Saved progress for appeal " +
                    props.appealType.caseReference.ticketnumber,
                "Your saved appeal " +
                    props.appealType.caseReference.ticketnumber,
                "You can resume your application at a later date <a href='" +
                    props.props.url +
                    "/myportal/" +
                    appTypeCollection.UrlName +
                    "?lpa=" +
                    props.appealType.appealLPA +
                    "&apt=" +
                    appTypeCollection.appealTypeID +
                    "&casereference=" +
                    props.appealType.caseReference.ticketnumber +
                    "&inid=" +
                    props.appealType.caseReference.incidentid +
                    "'> from here </a>"
            );

        useSaveStatus &&
            router.replace(
                router.locale != "en"
                    ? router.locale + "/myportal"
                    : "/myportal"
            );
    };

    const onHandleSubmit = (values) => {
        //if (currentSection == sectionCount) {
        let valuesObj = values || {};

        delete valuesObj["_pinswg_appellant_value"];
        console.log("has errors:", props.invalid);
        props.invalid == false && updateCaseProgress(valuesObj, false, false);

        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">
                    {FieldsTranslations(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();
                                    let valuesObj = _.has(
                                        props1.props.form[props1.form],
                                        "values"
                                    )
                                        ? props.props.form[props.form].values
                                        : {};

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

                                    delete valuesObj["_pinswg_appellant_value"];

                                    //console.log("on save:", valuesObj);
                                    updateCaseProgress(valuesObj, false, false);
                                }}
                            >
                                {t("common:continue-button")}
                            </button>
                        ) : (
                            ""
                        )}
                        {props.sectionCount == currentSection ? (
                            <button
                                disabled={!isProgressComplete(progObj)}
                                type="submit"
                                className="govuk-button"
                                data-module="govuk-button"
                            >
                                {t("common:submit-button")}
                            </button>
                        ) : (
                            ""
                        )}
                        {currentSection > 1 ? (
                            <a
                                className="govuk-link"
                                href="#"
                                onClick={() =>
                                    setCurrentSection(currentSection - 1)
                                }
                            >
                                {t("common:back-link")}
                            </a>
                        ) : (
                            ""
                        )}
                    </div>
                </form>
            </div>
            <div className="govuk-grid-column-one-third">
                <div className="at-nav-container">
                    {/* <span>
                        Last section is {lastIndex} - {currentSection}
                    </span> */}
                    <BuildProgress
                        progObj={progObj}
                        props={props}
                        titleList={titleList}
                        documentListObj={documentListObj}
                        formObjXML={formXML}
                        mandatoryFieldsData={mandatoryFieldsData}
                        currentSection={currentSection}
                        initialValues={props.initialValues}
                        setCurrentSection={setCurrentSection}
                    />

                    <hr className="govuk-section-break govuk-section-break--m govuk-section-break--visible" />

                    {savingStatus ? (
                        <span className=" progress-save-active">
                            Saving data
                            <img
                                className="data-loading-icon"
                                src="/assets/images/loading.gif"
                                alt={
                                    router.locale == "cy"
                                        ? "Nôl data"
                                        : "Saving data"
                                }
                            />
                        </span>
                    ) : (
                        <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, true, true);
                            }}
                        >
                            {t("common:save-exit-button")}
                        </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));
        },
        setFilesForAppeal: (blobList) => {
            dispatch(setFilesForAppeal(blobList));
        },
        setNewAppealProgress: (progressObj) => {
            dispatch(setNewAppealProgress(progressObj));
        },
    };
};

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

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