import { JSONPath as jsonpath } from "jsonpath-plus";
import useTranslation from "next-translate/useTranslation";
import Link from "next/link";
import { useRouter } from "next/router";
import { useCallback, useEffect, useRef, useState } from "react";
import { connect } from "react-redux";
import transLookup from "../../data/lookuptranslations.json";
import { formatDates, getDocLink, hasOwn } from "../utils";
import PaginationControl from "./pagination";
import { sendGAEvent } from "@next/third-parties/google";

import {
    getSearchDocumentDetails,
    getSearchDocumentDetailsPaged,
    getSearchDocumentTypes
} from "../../actions/services/searchService";
import { setCurrentPage } from "../../store/currentView/action";

import { setDocumentDetails } from "../../store/searchOutput/action";
import DocumentLink from "../utils/downloads";
import { useDownloadQueue } from "../utils/downloadmanager";
import resolveCrmDisplayValue from "../../lib/i18n/crmDisplay/resolveCrmDisplayValue";

const DocumentDetails = (props) => {
    let { t, lang } = useTranslation();
    const firstRender = useRef(false);
    const {
        incidentid,
        caseReference,
        searchResultsObj,
        searchDetailsObj,
        documentDetailsObj,
        setDocumentDetails,
        setCurrentPage,
        docsOffline,
        showFilteredDocs
    } = props;

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

    const appealType = props.currentView?.caseReference?.appealType;

    var documentDetailsArr = documentDetailsObj || [];
    const { startDownload, getStatus } = useDownloadQueue(3);
    const [selectedOption, setSelectedOption] = useState(10);
    const [documentTypes, setDocumentTypes] = useState([{}]);
    const [selectedDocumentType, setSelectedDocumentType] = useState("all");
    const [selectAll, setSelectAll] = useState(false);

    const [checkedItems, setCheckedItems] = useState(
        documentTypes.reduce((acc, item) => {
            acc[item.pinswg_isharedocumentlocations] = false;
            return acc;
        }, {})
    );

    const handleCheckboxChange = (e) => {
        const { name, checked } = e.target;

        setCheckedItems((prev) => ({
            ...prev,
            [name]: checked
        }));
        setSelectAll(false);
    };

    const handleSelectAllChange = (e) => {
        const { checked } = e.target;
        setSelectAll(checked); // Set the 'Select All' state
        if (checked) {
            // If 'Select All' is checked, check all the other checkboxes

            setCheckedItems(
                documentTypes.reduce((acc, item) => {
                    acc[item.pinswg_isharedocumentlocations] = true;
                    return acc;
                }, {})
            );
        } else {
            clearCheckboxes();
        }
    };

    const clearCheckboxes = () => {
        setSelectAll(false);
        setCheckedItems(
            documentTypes.reduce((acc, item) => {
                acc[item.pinswg_isharedocumentlocations] = false;
                return acc;
            }, {}),
            setSelectedDocumentType("all"),
            setCurrentPage(1)
        );
    };
    let ShowDocLinks = getDocLink(docsOffline);

    const FilteredDocumentView = (documentDetailsArr) => {
        documentDetailsArr = documentDetailsArr.value;

        return (
            <>
                {ShowDocLinks && (
                    <div className="govuk-warning-text ">
                        <span
                            className="govuk-warning-text__icon"
                            aria-hidden="true"
                        >
                            !
                        </span>
                        <strong className="govuk-warning-text__text govuk-!-margin-top-2">
                            <span className="govuk-visually-hidden">
                                Notice
                            </span>

                            {t("case:documents-not-available-label")}
                        </strong>
                    </div>
                )}

                <div className="docFilteringGroup">
                    <div className="govuk-!-width-one-third">
                        {" "}
                        <div className="govuk-form-group filterByGroup">
                            <p>
                                {documentDetailsObj["@odata.count"] > 1
                                    ? t("case:documents-count-label-1")
                                    : t("case:documents-count-label-1a")}{" "}
                                {documentDetailsObj["@odata.count"]}{" "}
                                {documentDetailsObj["@odata.count"] > 1
                                    ? t("case:documents-count-label-2")
                                    : t("case:documents-count-label-2a")}
                            </p>
                            <div>
                                <button onClick={clearCheckboxes}>
                                    {t("search:clear-filter-button-label")}
                                </button>
                            </div>
                            <div className="govuk-checkboxes govuk-checkboxes--small">
                                {" "}
                                <>
                                    <div className="govuk-checkboxes__item">
                                        <input
                                            className="govuk-checkboxes__input"
                                            type="checkbox"
                                            id={"all_" + "_" + 0}
                                            key={0}
                                            name={"all_" + "_" + 0}
                                            checked={selectAll}
                                            value={"all"}
                                            onChange={handleSelectAllChange}
                                        />
                                        <label
                                            className="govuk-label-s govuk-checkboxes__label"
                                            htmlFor={"all" + "__" + 0}
                                        >
                                            {router.locale == "cy"
                                                ? "Pawb"
                                                : "All"}{" "}
                                            - (
                                            {documentTypes.reduce(
                                                (accumulator, currentItem) => {
                                                    return (
                                                        accumulator +
                                                        currentItem.count
                                                    );
                                                },
                                                0
                                            )}
                                            )
                                        </label>
                                    </div>
                                </>
                                {documentTypes.map((item, key) => {
                                    return (
                                        <div
                                            className="govuk-checkboxes__item"
                                            key={key}
                                        >
                                            <input
                                                className="govuk-checkboxes__input"
                                                type="checkbox"
                                                id={
                                                    item.pinswg_isharedocumentlocations
                                                }
                                                key={key}
                                                value={
                                                    item.pinswg_isharedocumentlocations
                                                }
                                                name={
                                                    item.pinswg_isharedocumentlocations
                                                }
                                                checked={
                                                    checkedItems[
                                                        item
                                                            .pinswg_isharedocumentlocations
                                                    ]
                                                }
                                                onChange={handleCheckboxChange}
                                            />
                                            <label
                                                className="govuk-label-s govuk-checkboxes__label"
                                                htmlFor={
                                                    item.pinswg_isharedocumentlocations
                                                }
                                            >
                                                {resolveCrmDisplayValue({
                                                    value: item.pinswg_isharedocumentlocationsLabel,
                                                    locale,
                                                    translations: transLookup
                                                })}{" "}
                                                - ({item.count})
                                            </label>
                                        </div>
                                    );
                                })}
                            </div>{" "}
                            <div>
                                <button
                                    className="govuk-button  "
                                    type="button"
                                    onClick={(e) => {
                                        const data = [
                                            ...document.querySelectorAll(
                                                ".govuk-checkboxes__input:checked"
                                            )
                                        ].map((e) => e.value);
                                        setSelectedDocumentType(data);
                                        setCurrentPage(1);
                                    }}
                                >
                                    {t("search:filter-documents-label")}
                                </button>
                            </div>
                            {documentDetailsObj["@odata.count"] > 5 && (
                                <div
                                    id="recordCountSelect"
                                    className="govuk-grid-row govuk-!-margin-left-0"
                                >
                                    <div className="govuk-form-group">
                                        <label
                                            className="govuk-label-s "
                                            htmlFor="showNumberOfRecords"
                                        >
                                            {t(
                                                "search:searchresults-show-records-label-a"
                                            )}
                                            <select
                                                onChange={(e) => {
                                                    setSelectedOption(
                                                        e.target.value
                                                    );
                                                    setCurrentPage(1);
                                                }}
                                                value={selectedOption}
                                                className="govuk-select"
                                                id="showNumberOfRecords"
                                                name="showNumberOfRecords"
                                            >
                                                <option value="5">5</option>
                                                <option value="10">10</option>
                                                <option value="20">20</option>
                                                <option value="30">30</option>
                                                <option value="50">50</option>
                                            </select>{" "}
                                            {t(
                                                "search:searchresults-show-records-label-b"
                                            )}
                                        </label>
                                    </div>
                                </div>
                            )}
                        </div>
                    </div>
                    <div className="govuk-!-width-two-thirds docResults">
                        {" "}
                        <dl className=" govuk-summary-list govuk-!-margin-bottom-9 results documentList">
                            <div className="govuk-summary-list__row results-headings">
                                <dd className="govuk-summary-list__key govuk-!-font-size-16 ">
                                    <button
                                        type="button"
                                        onClick={() =>
                                            sortDataBy("pinswg_name")
                                        }
                                        className={
                                            orderByState == "pinswg_name"
                                                ? fieldSortState == "asc"
                                                    ? `govuk-link govuk-link--no-underline govuk-!-font-weight-bold govuk-!-font-size-16 sortAsc`
                                                    : `govuk-link govuk-link--no-underline govuk-!-font-weight-bold govuk-!-font-size-16 sortDesc`
                                                : `govuk-link govuk-link--no-underline govuk-!-font-weight-bold govuk-!-font-size-16`
                                        }
                                    >
                                        {t("case:documents-name-label")}
                                    </button>
                                </dd>
                                <dd className="govuk-summary-list__key govuk-!-font-size-16">
                                    {/* {t("case:documents-doc-type-label")} */}
                                    <button
                                        type="button"
                                        onClick={() =>
                                            sortDataBy(
                                                "pinswg_isharedocumentlocations"
                                            )
                                        }
                                        className={
                                            orderByState ==
                                            "pinswg_isharedocumentlocations"
                                                ? fieldSortState == "asc"
                                                    ? `govuk-link govuk-link--no-underline govuk-!-font-weight-bold govuk-!-font-size-16 sortAsc`
                                                    : `govuk-link govuk-link--no-underline govuk-!-font-weight-bold govuk-!-font-size-16 sortDesc`
                                                : `govuk-link govuk-link--no-underline govuk-!-font-weight-bold govuk-!-font-size-16`
                                        }
                                    >
                                        {t("case:documents-doc-type-label")}
                                    </button>
                                </dd>
                                <dd className="govuk-summary-list__key govuk-!-font-size-16">
                                    {/* {t("case:documents-date-published-label")} */}
                                    <button
                                        type="button"
                                        onClick={() => sortDataBy("createdon")}
                                        className={
                                            orderByState == "createdon"
                                                ? fieldSortState == "asc"
                                                    ? `govuk-link govuk-link--no-underline govuk-!-font-weight-bold govuk-!-font-size-16 sortAsc`
                                                    : `govuk-link govuk-link--no-underline govuk-!-font-weight-bold govuk-!-font-size-16 sortDesc`
                                                : `govuk-link govuk-link--no-underline govuk-!-font-weight-bold govuk-!-font-size-16`
                                        }
                                    >
                                        {t(
                                            "case:documents-date-published-label"
                                        )}
                                    </button>
                                </dd>
                                {/* <dd className="govuk-summary-list__key govuk-!-font-size-16">
                    {t("case:documents-size-label")}
                </dd> */}
                            </div>
                            {showSpinnerState == true ? (
                                <div className="govuk-summary-list__row">
                                    <div className="govuk-!-margin-top-4 govuk-!-margin-bottom-4 govuk-!-font-weight-bold govuk-!-font-size-20  ">
                                        {t("common:spinner-fetching-data")}
                                        <img
                                            className="data-loading-icon"
                                            src="/assets/images/loading.gif"
                                            alt={
                                                router.locale == "cy"
                                                    ? "Nôl data"
                                                    : "Fetching data"
                                            }
                                        />
                                    </div>
                                </div>
                            ) : (
                                documentDetailsArr.map((item, key) => {
                                    let detailsObj = jsonpath({
                                        path:
                                            "$..[?(@ && @._pinswg_documentids_value=='" +
                                            incidentid +
                                            "')]",
                                        json: item,
                                        eval: true
                                    });
                                    detailsObj = item;
                                    return (
                                        <div
                                            className="govuk-summary-list__row"
                                            key={key}
                                        >
                                            <dd className="govuk-summary-list__value govuk-!-font-size-16 ">
                                                {showDownloadingState ===
                                                    key && (
                                                    <div className="coverLoadingLink downloading">
                                                        {/* <img
                                                            className="data-loading-icon"
                                                            src="/assets/images/loading.gif"
                                                            alt={
                                                                router.locale ==
                                                                "cy"
                                                                    ? "Nôl data"
                                                                    : "Fetching data"
                                                            }
                                                        /> */}
                                                    </div>
                                                )}

                                                {!ShowDocLinks ? (
                                                    <>
                                                        <DocumentLink
                                                            key={
                                                                detailsObj.pinswg_documentid
                                                            }
                                                            id={
                                                                detailsObj.pinswg_documentid
                                                            }
                                                            detailsObj={
                                                                detailsObj
                                                            }
                                                            caseReference={
                                                                caseReference
                                                            }
                                                            startDownload={
                                                                startDownload
                                                            }
                                                            getStatus={
                                                                getStatus
                                                            }
                                                        />
                                                        {/* <Link
                                                            scroll={false}
                                                            href={
                                                                detailsObj.pinswg_hashlink
                                                            }
                                                            key={key}
                                                            onClick={() => {
                                                                toggleDownLoadLink(
                                                                    key
                                                                ),
                                                                    sendGAEvent(
                                                                        "event",
                                                                        "DownloadedFile",
                                                                        {
                                                                            caseReference:
                                                                                props.caseReference,
                                                                            filename:
                                                                                detailsObj.pinswg_name,
                                                                        }
                                                                    );
                                                            }}
                                                        >
                                                            <span className="results-visually-hidden">
                                                                {t(
                                                                    "case:documents-name-label"
                                                                )}
                                                                :
                                                            </span>
                                                            {hasOwn(
                                                                detailsObj,
                                                                "pinswg_name"
                                                            )
                                                                ? detailsObj.pinswg_name
                                                                : ""}
                                                        </Link> */}
                                                    </>
                                                ) : (
                                                    <>
                                                        <span className="results-visually-hidden">
                                                            {t(
                                                                "case:documents-name-label"
                                                            )}
                                                            :
                                                        </span>
                                                        {hasOwn(
                                                            detailsObj,
                                                            "pinswg_name"
                                                        )
                                                            ? detailsObj.pinswg_name
                                                            : ""}
                                                    </>
                                                )}
                                            </dd>
                                            <dd className="govuk-summary-list__value govuk-!-font-size-16">
                                                <span className="results-visually-hidden">
                                                    {t(
                                                        "case:documents-doc-type-label"
                                                    )}
                                                    :
                                                </span>
                                                {resolveCrmDisplayValue({
                                                    value: detailsObj[
                                                        "pinswg_isharedocumentlocations@OData.Community.Display.V1.FormattedValue"
                                                    ],
                                                    locale,
                                                    translations: transLookup
                                                })}
                                            </dd>
                                            <dd className="govuk-summary-list__value govuk-!-font-size-16">
                                                <span className="results-visually-hidden">
                                                    {t(
                                                        "case:documents-date-published-label"
                                                    )}
                                                    :
                                                </span>

                                                {hasOwn(
                                                    detailsObj,
                                                    "pinswg_latestpublisheddate"
                                                )
                                                    ? formatDates(
                                                          detailsObj.pinswg_latestpublisheddate
                                                      )
                                                    : ""}
                                            </dd>
                                            {/* <dd className="govuk-summary-list__value govuk-!-font-size-16">
                                    <span className="results-visually-hidden">
                                        {t("case:documents-size-label")}:
                                    </span>
                                    92
                                </dd> */}
                                        </div>
                                    );
                                })
                            )}
                        </dl>
                        <PaginationControl
                            showNoOfRecords={selectedOption}
                            currentPage={currentPage}
                            searchResultsObj={documentDetailsObj}
                            spinnerState={spinnerState}
                            orderBy={orderByState}
                            fieldSort={fieldSortState}
                            getDocumentResults={getDocumentResults}
                        />
                    </div>
                </div>
            </>
        );
    };

    const getDocumentTypes = useCallback(() => {
        getSearchDocumentTypes(props.incidentid).then((data) => {
            setDocumentTypes(data);
        });
    }, [props.incidentid]);

    const getDocumentResults = useCallback(
        (pageNumber, orderBy, fieldSort) => {
            getSearchDocumentDetailsPaged(
                props.incidentid,
                pageNumber,
                orderBy,
                fieldSort,
                selectedOption,
                selectedDocumentType
            )
                .then((data) => data)
                .then((data) => {
                    setDocumentDetails(data);
                    setShowSpinnerState(false);
                });
        },
        [
            props.incidentid,
            selectedOption,
            selectedDocumentType,
            setDocumentDetails
        ]
    );

    const getDocumentDetails = async () => {
        let docObj = await getSearchDocumentDetailsPaged(
            incidentid,
            pageNumber,
            orderBy,
            fieldSort
        ).then((data) => {
            setDocumentDetails(data);
            return data;
        });

        return docObj;
    };

    const pagesCount = Math.ceil(documentDetailsObj["@odata.count"] / 10);

    let currentPage = 0;

    currentPage = decodeURI(documentDetailsObj["@odata.nextLink"]).split(
        "skiptoken="
    )[1];
    currentPage =
        typeof currentPage != "undefined"
            ? parseInt(
                  decodeURI(currentPage)
                      .split('pagenumber="')[1]
                      .slice(
                          0,
                          decodeURI(currentPage)
                              .split('pagenumber="')[1]
                              .indexOf('"')
                      ) - 1
              )
            : pagesCount;

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

    const [showDownloadingState, setShowDownloadingState] = useState(null);

    const toggleDownLoadLink = (i) => {
        setShowDownloadingState(i);

        const downloadTime = setTimeout(hideDownloadCover, 5000);
        downloadTime;
    };

    function hideDownloadCover() {
        setShowDownloadingState(null);
    }

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

    const [showDocumentSearchState, setDocumentSearchState] = useState(false);
    const [orderByState, setOrderbyState] = useState("createdon");
    const [fieldSortState, setfieldSortState] = useState("asc");

    let documentSearchState = () => {
        showDocumentSearchState == true
            ? setDocumentSearchState(false)
            : setDocumentSearchState(true);
    };

    const sortDataBy = (whichField) => {
        setOrderbyState(whichField);
        setfieldSortState("asc");

        getDocumentResults(1, whichField, fieldSortState);
        whichField == orderByState
            ? fieldSortState == "desc"
                ? setfieldSortState("asc")
                : setfieldSortState("desc")
            : setfieldSortState("asc");
        setCurrentPage(1);
        setShowSpinnerState(true);
    };

    useEffect(() => {
        getDocumentTypes();
        if (selectedOption) {
            setShowSpinnerState(true);
            getDocumentResults(1, orderByState, fieldSortState);
        }

        if (selectedDocumentType) {
            setShowSpinnerState(true);
            getDocumentResults(
                1,
                orderByState,
                fieldSortState,
                selectedDocumentType
            );
        }

        const docDetailsObj = async () => {
            let docObj = await getSearchDocumentDetails(incidentid).then(
                (data) => {
                    setDocumentDetails(data);
                    setDocumentSearchState(true);

                    return data;
                }
            );

            return docObj;
        };

        const searchDocumentResultsObj = docDetailsObj();
    }, [
        incidentid,
        setDocumentDetails,
        selectedOption,
        selectedDocumentType,
        fieldSortState,
        orderByState,
        getDocumentTypes,
        getDocumentResults,
        lang
    ]);
    return (
        <div className="govuk-grid-row">
            <div className="govuk-grid-column-full">
                <h2 className="govuk-heading-m ">
                    {t("case:documents-heading-label")}
                </h2>
                {_.isEmpty(documentDetailsObj.value) ? (
                    <div className="govuk-grid-row">
                        <div className="govuk-grid-column-two-thirds">
                            <h3>
                                {showDocumentSearchState == false
                                    ? t("case:documents-checking-label")
                                    : appealType === 846040002 ||
                                        appealType === 846040011
                                      ? t(
                                            "case:documents-non-available-app-label"
                                        )
                                      : t("case:documents-non-available-label")}
                            </h3>
                        </div>
                    </div>
                ) : (
                    FilteredDocumentView(documentDetailsArr)
                )}
            </div>
        </div>
    );
};

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

const mapDispatchToProps = (dispatch) => {
    return {
        setDocumentDetails: (detailsObj) => {
            dispatch(setDocumentDetails(detailsObj));
        },
        setCurrentPage: (currentPage) => {
            dispatch(setCurrentPage(currentPage));
        }
    };
};

export default connect(mapStateToProps, mapDispatchToProps)(DocumentDetails);