import { Grid, Typography, Stack, Box, Button, FormHelperText, CircularProgress } from '@mui/material';
import * as React from "react";
import { useFormik } from 'formik';
import * as yup from 'yup';
import * as HttpUtils from "utils/HttpUtils";
import * as UrlUtils from "utils/ApiPathConst";
import * as DateUtils from "utils/DateUtils";
import * as FieldUtils from "utils/FieldUtils";
import * as ComboData from "utils/ComboData";
import { getObjectByType } from "utils/CommonFunction";
import { isORGLoggedIn, isPrimaryLoggedIn } from "utils/Utils";
import Loadable from "components/Loadable";
import { lazy } from "react";
import MainCard from "components/MainCard";
import ForwardIcon from "@mui/icons-material/Forward";
import { useNavigate } from "react-router-dom";
import titleBackgroundImg from "assets/images/dashboard/gazette-bar.png";
import { FormattedMessage, useIntl } from "react-intl";
import usePageTitle from "components/usePageTitle";
import { PNSPS_BUTTON_THEME } from "themes/buttonConst";
import { PRIMARY_CONTAINED_BUTTON_SX } from "themes/colorConst";
import { ThemeProvider } from "@emotion/react";
import { DatePicker } from "@mui/x-date-pickers/DatePicker";
import dayjs from "dayjs";
import { DemoItem } from "@mui/x-date-pickers/internals/demo";
import { LocalizationProvider } from "@mui/x-date-pickers/LocalizationProvider";
import { AdapterDayjs } from "@mui/x-date-pickers/AdapterDayjs";
import { Dialog, DialogTitle, DialogContent, DialogActions } from "@mui/material";
import BrStatusDialog from "components/BrStatusDialog";

const LoadingComponent = Loadable(lazy(() => import("pages/extra-pages/LoadingComponent")));
const UploadFileTable = Loadable(lazy(() => import("pages/Proof/Reply_Public/UploadFileTable")));

const BackgroundHead = {
    backgroundImage: `url(${titleBackgroundImg})`,
    width: "100%",
    height: "100%",
    backgroundSize: "contain",
    backgroundRepeat: "no-repeat",
    backgroundColor: "#0C489E",
    backgroundPosition: "right"
};

const SubmitBrPage = () => {
    usePageTitle("submitBrCertificate");
    const intl = useIntl();
    const navigate = useNavigate();
    const [formData, setFormData] = React.useState({});
    const [isLoading, setLoading] = React.useState(true);
    const [errorMsg, setErrorMsg] = React.useState("");
    const [attachments, setAttachments] = React.useState([]);
    const attachmentsRef = React.useRef([]);
    attachmentsRef.current = attachments;
    const [warningText, setWarningText] = React.useState("");
    const [isWarningPopUp, setIsWarningPopUp] = React.useState(false);
    const [showSubmittedDialog, setShowSubmittedDialog] = React.useState(false);
    const fileInputRef = React.useRef(null);
    const minDate = React.useMemo(() => new Date().setDate(new Date().getDate() + 1), []);

    React.useEffect(() => {
        if (!isORGLoggedIn()) {
            navigate("/dashboard");
            return;
        }
        HttpUtils.get({
            url: UrlUtils.GET_PUB_ORG_PATH,
            onSuccess: (response) => {
                const data = response.data || {};
                if (!data.canSubmitBr) {
                    navigate(isPrimaryLoggedIn() ? "/org" : "/dashboard");
                    return;
                }
                data.country = getObjectByType(ComboData.country, "type", data.addressTemp?.country);
                data.district = getObjectByType(ComboData.district, "type", data.addressTemp?.district);
                data.addressLine1 = data.addressTemp?.addressLine1;
                data.addressLine2 = data.addressTemp?.addressLine2;
                data.addressLine3 = data.addressTemp?.addressLine3;
                setFormData(data);
                setLoading(false);
            },
            onFail: () => {
                navigate("/dashboard");
            },
            onError: () => {
                navigate("/dashboard");
            }
        });
    }, [navigate]);

    const displayErrorMsg = (msg) => <Typography variant="errorMessage1">{msg}</Typography>;

    const getFileExtension = (fileName) => {
        const name = (fileName || "").toLowerCase();
        const dot = name.lastIndexOf(".");
        if (dot <= 0 || dot === name.length - 1) {
            return "";
        }
        return name.substring(dot + 1);
    };

    const isAcceptedFile = (fileName) => ["pdf", "jpg", "jpeg", "png"].includes(getFileExtension(fileName));

    const initialValues = React.useMemo(() => ({
        ...formData,
        chCompanyName: formData.chCompanyName ?? "",
        brExpiryDate: null,
        certificateFile: null,
    }), [formData]);

    const formik = useFormik({
        enableReinitialize: true,
        initialValues,
        validationSchema: yup.object().shape({
            enCompanyName: yup.string().trim().max(150).required(displayErrorMsg(intl.formatMessage({ id: "userRequireEnglishName" }))),
            chCompanyName: yup.string().max(150).nullable(),
            addressLine1: yup.string().trim().max(40).required(displayErrorMsg(intl.formatMessage({ id: "validateAddressLine1" }))),
            addressLine2: yup.string().max(40, displayErrorMsg(intl.formatMessage({ id: "noMoreThen40Words" }))),
            addressLine3: yup.string().max(40, displayErrorMsg(intl.formatMessage({ id: "noMoreThen40Words" }))),
            brExpiryDate: yup.mixed().required(displayErrorMsg(intl.formatMessage({ id: "pleaseFillInBusinessRegCertValidityDate" }))),
            certificateFile: yup.mixed().required(displayErrorMsg(intl.formatMessage({ id: "requireValidFileWithProofReplyFormat" }))),
            country: yup.mixed().required(displayErrorMsg(intl.formatMessage({ id: "pleaseFillInCountry" }))),
            district: yup.mixed().nullable().test(
                "hk-district",
                displayErrorMsg(intl.formatMessage({ id: "pleaseFillInDistrict" })),
                function (value) {
                    const country = this.parent.country;
                    if (country && country.type === "hongKong") {
                        return value != null;
                    }
                    return true;
                }
            ),
        }),
        onSubmit: (values, { setSubmitting }) => {
            setErrorMsg("");
            const files = attachmentsRef.current;
            if (!values.brExpiryDate || !files || files.length === 0 || values.country == null
                || (values.country.type === "hongKong" && values.district == null)) {
                setSubmitting(false);
                return;
            }
            return new Promise((resolve, reject) => {
                HttpUtils.postWithFiles({
                    url: UrlUtils.POST_PUB_ORG_SUBMIT_BR,
                    params: {
                        enCompanyName: values.enCompanyName,
                        chCompanyName: values.chCompanyName?.trim() || "",
                        brExpiryDate: DateUtils.dateValue(values.brExpiryDate),
                        address: {
                            country: values.country.type,
                            district: values.district?.type,
                            addressLine1: values.addressLine1,
                            addressLine2: values.addressLine2,
                            addressLine3: values.addressLine3,
                        },
                    },
                    files: files,
                    onSuccess: (response) => {
                        if (response?.msg) {
                            setErrorMsg(intl.formatMessage({ id: response.msg, defaultMessage: response.msg }));
                            reject();
                            return;
                        }
                        setShowSubmittedDialog(true);
                        resolve();
                    },
                    onFail: () => reject(),
                    onError: () => reject(),
                });
            });
        }
    });

    const setCertificateFiles = (files) => {
        const next = files || [];
        setAttachments(next);
        formik.setFieldValue("certificateFile", next[0] || null, true);
    };

    const handleSelectCertificate = (event) => {
        const file = event.target.files[0];
        if (!file) {
            return;
        }
        if (!isAcceptedFile(file.name)) {
            setWarningText(intl.formatMessage({ id: "requireValidFileWithProofReplyFormat" }));
            setIsWarningPopUp(true);
            event.target.value = "";
            return;
        }
        if (file.size >= (10 * 1024 * 1034)) {
            setWarningText(intl.formatMessage({ id: "fileSizeWarning" }));
            setIsWarningPopUp(true);
            event.target.value = "";
            return;
        }
        file.id = 0;
        setCertificateFiles([file]);
        event.target.value = "";
    };

    return (
        isLoading ?
            <Grid container sx={{ minHeight: "87vh", mb: 3 }} direction="column" justifyContent="center" alignItems="center">
                <Grid item><LoadingComponent /></Grid>
            </Grid>
            :
            <Grid container direction="column" sx={{ minHeight: "87vh", backgroundColor: "#ffffff" }}>
                <Grid item xs={12}>
                    <div style={BackgroundHead}>
                        <Stack direction="row" height="70px" justifyContent="flex-start" alignItems="center">
                            <Typography component="h1" ml={15} color="#FFF" variant="h4" sx={{ display: { xs: "none", md: "block" } }}>
                                <FormattedMessage id="submitBrCertificate" />
                            </Typography>
                        </Stack>
                    </div>
                </Grid>
                <Grid item xs={12}>
                    <Button aria-label={intl.formatMessage({ id: "back" })} title="Back" sx={{ ml: 3.5, mt: 2 }} style={{ border: "2px solid" }} variant="outlined" onClick={() => navigate(-1)}>
                        <ForwardIcon style={{ height: 30, width: 50, transform: "rotate(180deg)" }} />
                    </Button>
                </Grid>
                <Grid item xs={12}>
                    <Box sx={{ p: 1, borderRadius: "10px" }}>
                        <MainCard elevation={0} border={false} content={false}>
                            <form onSubmit={formik.handleSubmit} noValidate style={{ padding: 24 }}>
                                <Grid container spacing={1}>
                                    <Grid item xs={12}>
                                        <FormHelperText error>
                                            <Typography variant="errorMessage1">{errorMsg}</Typography>
                                        </FormHelperText>
                                    </Grid>
                                    <Grid item xs={12} lg={4}>
                                        {FieldUtils.getTextField({
                                            label: intl.formatMessage({ id: "brNo" }) + ":",
                                            valueName: "brNo",
                                            disabled: true,
                                            form: formik
                                        })}
                                    </Grid>
                                    <Grid item xs={12} lg={4}>
                                        <Grid container alignItems={"center"}>
                                            <Grid item xs={12} md={3} lg={3} sx={{ display: "flex", alignItems: "center" }}>
                                                <Typography variant="pnspsFormParagraphBold">{FieldUtils.notNullFieldLabel(intl.formatMessage({ id: "newBrExpiryDate" }) + ":")}</Typography>
                                            </Grid>
                                            <Grid item xs={12} md={6} lg={6}>
                                                <LocalizationProvider dateAdapter={AdapterDayjs} localeText={DateUtils.getPickerLocaleText(intl.locale)}>
                                                    <DemoItem components={["DatePicker"]}>
                                                        <DatePicker
                                                            id="brExpiryDate"
                                                            name="brExpiryDate"
                                                            slotProps={{
                                                                field: { readOnly: true },
                                                                textField: {
                                                                    error: Boolean(formik.errors.brExpiryDate && (formik.touched.brExpiryDate || formik.submitCount > 0)),
                                                                    helperText: (formik.touched.brExpiryDate || formik.submitCount > 0) ? formik.errors.brExpiryDate : "",
                                                                },
                                                            }}
                                                            format="DD/MM/YYYY"
                                                            value={formik.values.brExpiryDate == null ? null : dayjs(formik.values.brExpiryDate)}
                                                            minDate={minDate == null ? null : dayjs(minDate)}
                                                            onChange={(newValue) => {
                                                                if (DateUtils.dateValue(newValue) > DateUtils.dateValue(new Date())) {
                                                                    formik.setFieldValue("brExpiryDate", newValue, true);
                                                                    formik.setFieldTouched("brExpiryDate", true, false);
                                                                }
                                                            }}
                                                        />
                                                    </DemoItem>
                                                </LocalizationProvider>
                                            </Grid>
                                        </Grid>
                                    </Grid>
                                    <Grid item xs={12} lg={4}></Grid>
                                    <Grid item xs={12} lg={4}>
                                        {FieldUtils.getTextField({
                                            label: FieldUtils.notNullFieldLabel(intl.formatMessage({ id: "nameEng" }) + ":"),
                                            valueName: "enCompanyName",
                                            form: formik
                                        })}
                                    </Grid>
                                    <Grid item xs={12} lg={4}>
                                        {FieldUtils.getTextField({
                                            label: intl.formatMessage({ id: "nameChi" }) + ":",
                                            valueName: "chCompanyName",
                                            form: formik
                                        })}
                                    </Grid>
                                    <Grid item xs={12} lg={4}></Grid>
                                    <Grid item xs={12} lg={12}>
                                        {FieldUtils.getAddressField({
                                            label: FieldUtils.notNullFieldLabel(intl.formatMessage({ id: "formAddress" }) + ":"),
                                            valueName: ["addressLine1", "addressLine2", "addressLine3"],
                                            form: formik
                                        })}
                                    </Grid>
                                    <Grid item xs={12} lg={12}>
                                        {FieldUtils.getProfileComboField({
                                            label: "",
                                            valueName: "district",
                                            dataList: ComboData.district,
                                            getOptionLabel: (option) => option.type ? intl.formatMessage({ id: option.type }) : "",
                                            form: formik
                                        })}
                                    </Grid>
                                    <Grid item xs={12} lg={12}>
                                        {FieldUtils.getProfileComboField({
                                            label: "",
                                            valueName: "country",
                                            disabled: true,
                                            dataList: ComboData.country,
                                            getOptionLabel: (option) => option.type ? intl.formatMessage({ id: option.type }) : "",
                                            form: formik
                                        })}
                                    </Grid>
                                    <Grid item xs={12}>
                                        <Typography variant="subtitle1" sx={{ color: "primary.primary" }}>
                                            <FormattedMessage id="acceptProofReplyFileFormats" />
                                        </Typography>
                                    </Grid>
                                    <Grid item xs={12}>
                                        <input
                                            ref={fileInputRef}
                                            id="uploadFileBtn"
                                            type="file"
                                            accept=".pdf,.jpg,.jpeg,.png,image/png,image/jpeg,application/pdf"
                                            hidden
                                            onChange={handleSelectCertificate}
                                        />
                                        <ThemeProvider theme={PNSPS_BUTTON_THEME}>
                                            <Button
                                                variant="contained"
                                                type="button"
                                                sx={PRIMARY_CONTAINED_BUTTON_SX}
                                                onClick={() => fileInputRef.current && fileInputRef.current.click()}
                                            >
                                                <FormattedMessage id="selectCertificateFile" />
                                            </Button>
                                        </ThemeProvider>
                                        {(formik.touched.certificateFile || formik.submitCount > 0) && formik.errors.certificateFile ?
                                            <FormHelperText error>{formik.errors.certificateFile}</FormHelperText>
                                            : null}
                                    </Grid>
                                    {attachments.length > 0 ?
                                        <Grid item xs={12} md={8}>
                                            <UploadFileTable recordList={attachments} setRecordList={setCertificateFiles} />
                                        </Grid>
                                        : null}
                                    <Grid item xs={12} sx={{ mt: 2 }}>
                                        <ThemeProvider theme={PNSPS_BUTTON_THEME}>
                                            <Button
                                                variant="contained"
                                                type="submit"
                                                color="success"
                                                disabled={formik.isSubmitting || showSubmittedDialog}
                                                startIcon={formik.isSubmitting ? <CircularProgress color="inherit" size={18} /> : null}
                                            >
                                                <FormattedMessage id="submit" />
                                            </Button>
                                        </ThemeProvider>
                                    </Grid>
                                </Grid>
                            </form>
                        </MainCard>
                    </Box>
                </Grid>
                <Dialog open={isWarningPopUp} onClose={() => setIsWarningPopUp(false)}>
                    <DialogTitle><FormattedMessage id="attention" /></DialogTitle>
                    <DialogContent><Typography>{warningText}</Typography></DialogContent>
                    <DialogActions>
                        <Button onClick={() => setIsWarningPopUp(false)}><FormattedMessage id="close" /></Button>
                    </DialogActions>
                </Dialog>
                <BrStatusDialog
                    open={showSubmittedDialog}
                    variant={formData.brStatus === "Invalid" || formData.applyBlockState === "expired"
                        ? "submitExpired"
                        : "submitNotExpired"}
                    expiryDate={formData.brExpiryDate}
                    onClose={() => {
                        setShowSubmittedDialog(false);
                        navigate(isPrimaryLoggedIn() ? "/org" : "/dashboard");
                    }}
                />
            </Grid>
    );
};

export default SubmitBrPage;