// material-ui
import {
    Grid,
    Typography,
    Stack,
    Button,
    Dialog, DialogTitle, DialogContent, DialogActions,
} from '@mui/material';
import * as UrlUtils from "utils/ApiPathConst";
import * as React from "react";
import * as HttpUtils from "utils/HttpUtils";
import titleBackgroundImg from 'assets/images/dashboard/gazette-bar.png'
import Loadable from 'components/Loadable';
const LoadingComponent = Loadable(React.lazy(() => import('pages/extra-pages/LoadingComponent')));
import MainCard from 'components/MainCard';

const ExportForm = Loadable(React.lazy(() => import('./ExportForm')));
const SearchForm = Loadable(React.lazy(() => import('./SearchForm')));
const GazetteIssueTable = Loadable(React.lazy(() => import('./DataGrid')))

const BackgroundHead = {
    backgroundImage: `url(${titleBackgroundImg})`,
    width: '100%',
    height: '100%',
    backgroundSize: 'contain',
    backgroundRepeat: 'no-repeat',
    backgroundColor: '#0C489E',
    backgroundPosition: 'right'
}
import {PNSPS_LONG_BUTTON_THEME} from "themes/buttonConst";
import {ThemeProvider} from "@emotion/react";
import { dateStr_Year } from "utils/DateUtils";
import { notifySaveSuccess } from 'utils/CommonFunction';
import { isGrantedAny } from "auth/utils";

// ==============================|| DASHBOARD - DEFAULT ||============================== //

const Index = () => {
    const [comboData, setComboData] = React.useState([]);
    const [holidayComboData, setHolidayComboData] = React.useState([]);
    const [onReady, setOnReady] = React.useState(false);
    const [onGridReady, setGridOnReady] = React.useState(false);

    const [onSearchReady, setOnSearchReady] = React.useState(false);
    const [onExportReady, setOnExportReady] = React.useState(false);
    const [searchCriteria, setSearchCriteria] = React.useState({
        year: dateStr_Year(new Date()),
        // dateFrom: DateUtils.dateValue(new Date().setDate(new Date().getDate()-14)),
    });
    
    const [exportCriteria, setExportCriteria] = React.useState({
        // year: dateStr_Year(new Date()),
        // dateFrom: DateUtils.dateValue(new Date().setDate(new Date().getDate()-14)),
    });

    const [attachments, setAttachments] = React.useState([]);
    const [waitImport, setWaitImport] = React.useState(false);
    const [waitDownload, setWaitDownload] = React.useState(false);
    const [isWarningPopUp, setIsWarningPopUp] = React.useState(false);
    const [warningText, setWarningText] = React.useState("");

    React.useEffect(() => {
        // console.log(searchCriteria)
        setOnSearchReady(false)
        loadCombo();
    }, [searchCriteria]);
    

    function loadCombo() {
        HttpUtils.get({
            url: UrlUtils.GET_ISSUE_YEAR_COMBO,
            onSuccess: (responseData) => {
                let combo = responseData;
                setComboData(combo);
                setOnSearchReady(true)
                loadHolidayCombo(true)
                // setOnReady(true);
            }
        });
    }

    function loadHolidayCombo() {
        HttpUtils.get({
            url: UrlUtils.GET_HOLIDAY_COMBO,
            onSuccess: (responseData) => {
                let combo = responseData
                setHolidayComboData(combo)
                setOnExportReady(true)
                setOnReady(true)
            }
        });
    }

    function applySearch(input) {
        setGridOnReady(true)
        setSearchCriteria(input);
    }
    
    function applyExport(input) {
        setExportCriteria(input);
    }

    function applyGridOnReady(input) {
        setGridOnReady(input);
    }

    React.useEffect(() => {
        if (Object.keys(exportCriteria).length  > 0) {
            // console.log(exportCriteria)
            doExport();
        }
    }, [exportCriteria]);

    React.useEffect(() => {
        if (attachments.length > 0) {
            importHoliday();
        }
    }, [attachments]);

    const readFile = (event) => {
        let file = event.target.files[0];
        if (file) {
            if (!file.name.toLowerCase().substr(file.name.length - 5).includes(".xlsx")) {
                setWarningText("Please upload a valid file (File format: .xlsx).");
                setIsWarningPopUp(true);
                document.getElementById("uploadFileBtn").value = "";
                return;
            }
            file['id'] = attachments.length;
            setAttachments([
                ...attachments,
                file
            ]);
            document.getElementById("uploadFileBtn").value = "";
        }
    }

    const doExport=()=>{
        setWaitDownload(true)
        HttpUtils.fileDownload({
            url: UrlUtils.GET_ISSUE_LIST,
            params: exportCriteria,
            onResponse: () => {
                setTimeout(()=> setWaitDownload(false), 500)
            }
        });
    }

    const importHoliday = () => {
        setWaitImport(true);
        if (!attachments || attachments.length <= 0) {
            setWarningText("Please upload file.");
            setSaving(false);
            return;
        }
        HttpUtils.postWithFiles({
            url: UrlUtils.POST_ISSUE_FILE,
            files: attachments,
            onSuccess: () => {
                notifySaveSuccess()
                setWaitImport(false);
                setAttachments([]);
                loadCombo();
                loadForm();
            }
        });
    }

    return (
        !onReady ?
            <Grid container sx={{ minHeight: '87vh', mb: 3 }} direction="column" justifyContent="center" alignItems="center">
                <Grid item>
                    <LoadingComponent />
                </Grid>
            </Grid>
            :
            (
                <Grid container sx={{minHeight: '87vh', backgroundColor: 'backgroundColor.default'}} direction="column" justifyContent="flex-start" alignItems="center" >
                    <Grid item xs={12} width="100%">
                        <div style={BackgroundHead} width="100%">
                            <Stack direction="row" height='70px'>
                                <Typography ml={15} color='#FFF' variant="h4" sx={{ pt: 2 }}>Gazette Issue</Typography>
                            </Stack>
                        </div>
                    </Grid>
                    {!onExportReady?
                        <LoadingComponent />:
                        <Grid item xs={12} md={12} lg={12} width="100%">
                            <ExportForm 
                                applyExport={applyExport}
                                comboData={holidayComboData}
                                waitDownload={waitDownload}
                            />
                        </Grid>
                    }
                    {isGrantedAny(["MAINTAIN_GAZETTE_ISSUE"]) ?
                        <Grid item xs={12} md={12} lg={6} width="100%">
                            <Stack direction="row" justifyContent="flex-start" alignItems="center" spacing={2} sx={{ml:2,mt:1}} >
                                <ThemeProvider theme={PNSPS_LONG_BUTTON_THEME}>
                                    <input
                                        id="uploadFileBtn"
                                        name="file"
                                        type="file"
                                        accept=".xlsx"
                                        style={{ display: 'none' }}
                                        disabled={waitImport}
                                        onChange={(event) => {
                                            readFile(event)
                                        }}
                                    />
                                    <label htmlFor="uploadFileBtn">
                                        <Button
                                            component="span"
                                            variant="contained"
                                            size="large"
                                            disabled={waitImport}
                                        >
                                            <Typography variant="h5">Upload Files</Typography>
                                        </Button>
                                    </label>
                                </ThemeProvider>
                                
                            </Stack>
                        </Grid>
                        :null
                    }
                    {/*row 1*/}
                    <Grid item xs={12} md={12} lg={12} width="100%">
                        <SearchForm 
                            applySearch={applySearch}
                            comboData={comboData}
                            onGridReady={onGridReady}
                        />
                    </Grid>
                    {/*row 2*/}
                    {!onSearchReady?
                        <LoadingComponent/>:
                        <Grid item xs={12} md={12} lg={12} width="100%">
                            <MainCard elevation={0}
                                border={false}
                                content={false}
                            >
                                <GazetteIssueTable
                                    searchCriteria={searchCriteria}
                                    applyGridOnReady={applyGridOnReady}
                                />
                            </MainCard>
                        </Grid>
                    }
                    <div>
                        <Dialog
                            open={isWarningPopUp}
                            onClose={() => setIsWarningPopUp(false)}
                            PaperProps={{
                                sx: {
                                    minWidth: '40vw',
                                    maxWidth: { xs: '90vw', s: '90vw', m: '70vw', lg: '70vw' },
                                    maxHeight: { xs: '90vh', s: '70vh', m: '70vh', lg: '60vh' }
                                }
                            }}
                        >
                            <DialogTitle><Typography variant="h3">Warning</Typography></DialogTitle>
                            <DialogContent style={{ display: 'flex', }}>
                                <Typography variant="h4" style={{ padding: '16px' }}>{warningText}</Typography>
                            </DialogContent>
                            <DialogActions>
                                <Button onClick={() => setIsWarningPopUp(false)}><Typography variant="h5">OK</Typography></Button>
                            </DialogActions>
                        </Dialog>
                    </div>
                </Grid >
            )
    );
};

export default Index;