import React, { useEffect, useState } from "react";
import { useDispatch, useSelector } from "react-redux";
import { ChevronDown, Trash } from "react-feather";
import {
  Card,
  CardHeader,
  CardTitle,
  Input,
  Label,
  Row,
  Col,
} from "reactstrap";
import DataTable from "react-data-table-component";
import ReactPaginate from "react-paginate";
import { useTranslation } from "react-i18next";
import {
  getAllNotifications,
  setNotificationRead,
  notificationRemove,
} from "../redux/actions/notifications";
import { default as SweetAlert } from "sweetalert2";
import withReactContent from "sweetalert2-react-content";

const Swal = withReactContent(SweetAlert);

const Notifications = () => {
  const { t } = useTranslation();

  const conditionalRowStyles = [
    {
      when: (row) => row.read === false,
      style: {
        backgroundColor: "#028a4a1a",
      },
    },
  ];

  const serverSideColumns = [
    {
      name: t("Notifications.title"),
      selector: (row) => row.title,
      sortable: true,
      maxWidth: "500px",
    },
    {
      name: t("Notifications.notificationType"),
      selector: (row) => row.notificationType,
      sortable: true,
      maxWidth: "500px",
    },
    {
      name: t("Notifications.content"),
      selector: (row) => row.message,
      sortable: true,
      maxWidth: "500px",
    },
    {
      name: t("Time"),
      selector: (row) => row.createdDateTime,
      sortable: true,
      width: "250px",
      cell: (row) => (
        <span>{new Date(row.createdDateTime).toLocaleString("tr-TR")}</span>
      ),
    },
    {
      name: t("Cruds.delete"),
      allowOverflow: false,
      maxWidth: "100px",
      cell: (row) => {
        return (
          <div className="d-flex">
            <a onClick={() => handleDeleteNotification(row)}>
              <Trash size={15} />
            </a>
          </div>
        );
      },
    },
  ];

  const dispatch = useDispatch();

  const [currentPage, setCurrentPage] = useState(1);
  const [rowsPerPage, setRowsPerPage] = useState(5);
  const [searchValue, setSearchValue] = useState("");

  const notificationsStore = useSelector((state) => state.notifications);
  const [notifications, setNotifications] = useState([]);

  useEffect(() => {
    dispatch(getAllNotifications({ currentPage, rowsPerPage }));
  }, [currentPage, rowsPerPage]);

  useEffect(() => {
    if (notificationsStore.notifications?.content) {
      setNotifications(notificationsStore.notifications?.content);
    }
  }, [
    notificationsStore.notifications?.content?.length,
    notificationsStore.notifications,
  ]);

  const handleFilter = (e) => {
    setSearchValue(e.target.value);

    if (e.target.value !== "") {
      setCurrentPage(1);
      setRowsPerPage(notificationsStore.notifications?.pageInfo?.totalElements);
      setNotifications(
        notificationsStore.notifications?.content.filter((notification) =>
          notification.title
            .toLowerCase()
            .includes(e.target.value.toLowerCase())
        )
      );
    } else {
      setCurrentPage(1);
      setRowsPerPage(5);
      setNotifications(notificationsStore.notifications?.content);
    }
  };

  const handlePagination = (page) => {
    setCurrentPage(page.selected + 1);
    setNotifications(notificationsStore.notifications?.content);
  };

  const handlePerPage = (e) => {
    setCurrentPage(1);
    setRowsPerPage(parseInt(e.target.value));
    setNotifications(notificationsStore.notifications?.content);
  };

  const CustomPagination = () => {
    const count = Number(
      (
        notificationsStore.notifications?.pageInfo?.totalElements / rowsPerPage
      ).toFixed(1)
    );

    return (
      <ReactPaginate
        previousLabel={""}
        nextLabel={""}
        breakLabel="..."
        pageCount={count || 1}
        marginPagesDisplayed={2}
        pageRangeDisplayed={2}
        activeClassName="active"
        forcePage={currentPage !== 0 ? currentPage - 1 : 0}
        onPageChange={(page) => handlePagination(page)}
        pageClassName={"page-item"}
        nextLinkClassName={"page-link"}
        nextClassName={"page-item next"}
        previousClassName={"page-item prev"}
        previousLinkClassName={"page-link"}
        pageLinkClassName={"page-link"}
        breakClassName="page-item"
        breakLinkClassName="page-link"
        containerClassName={
          "pagination react-paginate separated-pagination pagination-sm justify-content-end pr-1 mt-1"
        }
      />
    );
  };

  const handleDeleteNotification = async (selectedNotification) => {
    const result = await Swal.fire({
      title: `${t("Warnings.sureForDelete")}`,
      text: t("Warnings.notUndone"),
      icon: "warning",
      showCancelButton: true,
      confirmButtonText: t("Cruds.delete"),
      cancelButtonText: t("Cruds.cancel"),
      customClass: {
        confirmButton: "btn btn-primary",
        cancelButton: "btn btn-danger ml-1",
      },
      buttonsStyling: false,
    });
    if (result.value !== null && result.value === true) {
      let selectedId = selectedNotification.id;
      dispatch(notificationRemove({ selectedId, currentPage, rowsPerPage }));
    }
    //when notifications size is zero in current page and current page is not 1, change current page to previous page
    if (notifications?.length == 1 && currentPage != 1) {
      const newCurrentPage = currentPage - 1;
      setCurrentPage(newCurrentPage);
      dispatch(getAllNotifications({ currentPage, rowsPerPage }));
    }
  };

  const ExpandableTable = ({ data }) => {
    if (data.read === false) {
      dispatch(setNotificationRead(data.id));
      dispatch(getAllNotifications({ currentPage, rowsPerPage }));
    }
    return (
      <div className="expandable-content p-2">
        <p className="font-weight-bold">
          {data?.title} / {data?.notificationType}
        </p>
        <p className="font-small-3 mt-2">{data.message}</p>
      </div>
    );
  };
  let listOfNumber = [5, 10, 25, 50, 75, 100];
  return (
    <div style={{ marginTop: "2%" }}>
      <Card>
        <CardHeader className="border-bottom">
          <CardTitle tag="h4">{t("Notifications.notifications")}</CardTitle>
        </CardHeader>
        <Row className="mx-0 mt-1 mb-50">
          <Col sm="6" md="2">
            <div className="d-flex align-items-center">
              <Label for="sort-select">{t("Show")}</Label>
              <Input
                className="ml-1 dataTable-select"
                type="select"
                id="sort-select"
                value={rowsPerPage}
                onChange={(e) => handlePerPage(e)}
              >
                <option value={5}>5</option>
                <option value={10}>10</option>
                <option value={25}>25</option>
                <option value={50}>50</option>
                <option value={75}>75</option>
                <option value={100}>100</option>
                {!listOfNumber.includes(rowsPerPage) && (
                  <option value={rowsPerPage}>{rowsPerPage}</option>
                )}
              </Input>
            </div>
          </Col>
          <Col
            className="d-flex align-items-center justify-content-end mt-sm-0 mt-1 ml-md-auto"
            sm="6"
            md="3"
          >
            <Label className="mr-1" for="search-input">
              {t("Filter")}
            </Label>
            <Input
              className="dataTable-filter"
              type="text"
              bsSize="sm"
              id="search-input"
              value={searchValue}
              onChange={handleFilter}
              placeholder=""
            />
          </Col>
        </Row>
        <DataTable
          noHeader
          pagination
          paginationServer
          className="react-dataTable"
          columns={serverSideColumns}
          conditionalRowStyles={conditionalRowStyles}
          expandableRows
          expandOnRowClicked
          expandableRowsComponent={ExpandableTable}
          sortIcon={<ChevronDown size={10} />}
          paginationComponent={CustomPagination}
          data={[...notifications]}
          noDataComponent={
            <p className="p-2">
              {t("Notifications.notification")}
              {t("Warnings.notFound")}
            </p>
          }
        />
      </Card>
    </div>
  );
};

export default Notifications;