// material-ui
import {
    Button,
    Grid, TextField,
    Autocomplete,
    Typography
} from '@mui/material';
import MainCard from "components/MainCard";
import { useForm } from "react-hook-form";
import * as React from "react";
import * as DateUtils from "utils/DateUtils";
import * as ComboData from "utils/ComboData";
import {PNSPS_BUTTON_THEME} from "../../../themes/buttonConst";
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";

const getDefaultDateFrom = () => DateUtils.dateValue(new Date().setDate(new Date().getDate() - 14));
const getDefaultDateTo = () => DateUtils.dateValue(new Date());

const isSubmitDateEmpty = (value) =>
    value == null || value === "" || value === "dd / mm / yyyy";

const isBlank = (value) => value == null || String(value).trim() === "";

const toDayjsOrNull = (value) => {
    if (isSubmitDateEmpty(value)) return null;
    const d = dayjs(value);
    return d.isValid() ? d : null;
};

// ==============================|| DASHBOARD - DEFAULT ||============================== //
const SearchPublicNoticeForm = ({ applySearch, searchCriteria, onGridReady }) => {

    const [minDate, setMinDate] = React.useState(searchCriteria.dateFrom);
    const [maxDate, setMaxDate] = React.useState(searchCriteria.dateTo);
    const [status, setStatus] = React.useState(ComboData.paymentStatus[0]);
    const [payMethod, setPayMethod] = React.useState(ComboData.payMethod[0]);
    const marginBottom = 2.5;

    const [fromDateValue, setFromDateValue] = React.useState("dd / mm / yyyy");
    const [toDateValue, setToDateValue] = React.useState("dd / mm / yyyy");
    const prevHasOtherRef = React.useRef(null);

    React.useEffect(() => {
        if(searchCriteria.status!=undefined){
            if(searchCriteria.status === ""){
                ComboData.paymentStatus[0]
            }else{
                setStatus(ComboData.paymentStatus.find(item => item.type === searchCriteria.status))
            }
        }else{
            setStatus(ComboData.paymentStatus[0])      
        }
    }, [searchCriteria]);

    React.useEffect(() => {
        const defaultPayMethod = ComboData.payMethod[0];
        const value = searchCriteria?.payMethod;   // may be [], null, undefined, or array of strings

        if (!value || value.length === 0) {
            setPayMethod(defaultPayMethod);
            return;
        }

        // Find the matching entry whose type array matches value contents
        const found = ComboData.payMethod.find(item =>
            Array.isArray(item.type) &&
            item.type.length === value.length &&
            item.type.every((v, i) => v === value[i])   // strict positional match
        );

        setPayMethod(found ?? defaultPayMethod);
    }, [searchCriteria?.payMethod]);


    React.useEffect(() => {
        setFromDateValue(minDate);
    }, [minDate]);

    React.useEffect(() => {
        setToDateValue(maxDate);
    }, [maxDate]);

    const { reset, register, handleSubmit, watch } = useForm({
        defaultValues: {
            code: searchCriteria.code || "",
            transNo: searchCriteria.transNo || ""
        }
    });
    const code = watch("code");
    const transNo = watch("transNo");

    // add near the top inside the component (after useState for payMethod)
    const toPayMethodArray = (opt) => {
    if (!opt || opt.type === 'all') return [];
    return Array.isArray(opt.type) ? opt.type : [opt.type];
    };

    const clearSubmitDates = () => {
        setMinDate(null);
        setMaxDate(null);
    };

    const restoreDefaultSubmitDates = () => {
        setMinDate(getDefaultDateFrom());
        setMaxDate(getDefaultDateTo());
    };

    const hasOtherCriteria = (textFields = {}) => {
        if (!isBlank(textFields.code)) return true;
        if (!isBlank(textFields.transNo)) return true;
        if (status?.type && status.type !== "all" && status.type !== "") return true;
        if (payMethod?.type && payMethod.type !== "all") return true;
        return false;
    };

    React.useEffect(() => {
        const hasOther = hasOtherCriteria({ code, transNo });
        if (prevHasOtherRef.current === null) {
            prevHasOtherRef.current = hasOther;
            return;
        }
        if (hasOther && !prevHasOtherRef.current) {
            clearSubmitDates();
        } else if (!hasOther && prevHasOtherRef.current) {
            // Only refill defaults when From or To is empty; keep user-entered dates otherwise
            if (isSubmitDateEmpty(minDate) || isSubmitDateEmpty(maxDate)) {
                restoreDefaultSubmitDates();
            }
        }
        prevHasOtherRef.current = hasOther;
    }, [code, transNo, status, payMethod]);

    const onSubmit = (data) => {
        let sentDateFrom = "";
        let sentDateTo = "";

        const hasOther = hasOtherCriteria({
            code: data.code,
            transNo: data.transNo
        });
        const datesEmpty = isSubmitDateEmpty(fromDateValue) || isSubmitDateEmpty(toDateValue)
            || minDate == null || maxDate == null;

        if (!hasOther && datesEmpty) {
            const dateFrom = getDefaultDateFrom();
            const dateTo = getDefaultDateTo();
            setMinDate(dateFrom);
            setMaxDate(dateTo);
            sentDateFrom = dateFrom;
            sentDateTo = dateTo;
        } else if (!datesEmpty) {
            sentDateFrom = DateUtils.dateValue(fromDateValue);
            sentDateTo = DateUtils.dateValue(toDateValue);
        }

        const temp = {
            code: data.code,
            transNo: data.transNo,
            dateFrom: sentDateFrom,
            dateTo: sentDateTo,
            status : (status?.type && status?.type != 'all') ? status?.type : "",
            payMethod : toPayMethodArray(payMethod),
            start:0,
            limit:10
        };
        if (searchCriteria?.sort && searchCriteria?.direction) {
            temp.sort = searchCriteria.sort;
            temp.direction = searchCriteria.direction;
        }
        applySearch(temp);
    };

    function resetForm() {
        setStatus(ComboData.paymentStatus[0]);
        setPayMethod(ComboData.payMethod[0]);
        const dateFrom = getDefaultDateFrom();
        const dateTo = getDefaultDateTo();
        setMinDate(dateFrom);
        setMaxDate(dateTo);
        reset({
            code:"",
            transNo:""
        });
        prevHasOtherRef.current = false;
        localStorage.setItem('searchCriteria',"");
        applySearch({
            code: "",
            transNo: "",
            dateFrom,
            dateTo,
            status: "",
            payMethod: [],
            start: 0,
            limit: 10
        });
    }


    return (
        <MainCard xs={12} md={12} lg={12}
            border={false}
            content={false}
            >

            <form onSubmit={handleSubmit(onSubmit)} >
                <Grid container sx={{ backgroundColor: '#ffffff', ml: 2, mt: 1, mb: marginBottom}} width="98%">
                    {/*row 1*/}
                    <Grid item justifyContent="space-between" alignItems="center" sx={{mt:1,ml:3,mb:2.5}}>
                        <Typography variant="pnspsFormHeader" >
                            Search
                        </Typography>
                    </Grid>
                    {/*row 2*/}

                    <Grid container display="flex" alignItems={"center"}>
                        <Grid item xs={9} s={6} md={5} lg={3} sx={{ ml: 3, mr: 3,mb: marginBottom}}>
                            <TextField
                                fullWidth
                                {...register("code")}
                                id='code'
                                label="Application No."
                                defaultValue={searchCriteria.code}
                                InputLabelProps={{
                                    shrink: true
                                }}
                            />
                        </Grid>

                        <Grid item xs={9} s={6} md={5} lg={3} sx={{ml:3, mr:3, mb:marginBottom}}>
                            <Grid container spacing={1}>
                                <Grid item xs={6}>
                                    <LocalizationProvider dateAdapter={AdapterDayjs}>
                                        <DemoItem  components={['DatePicker']}>
                                            <DatePicker
                                                id="dateFrom"
                                                onError={() => {}}
                                                slotProps={{
                                                    field: { readOnly: true, clearable: true },
                                                    textField: {
                                                        InputLabelProps: { shrink: true },
                                                        error: false,
                                                        helperText: null
                                                    },
                                                }}
                                                format="DD/MM/YYYY"
                                                label="Payment Date (From)"
                                                value={toDayjsOrNull(minDate)}
                                                maxDate={toDayjsOrNull(maxDate)}
                                                onChange={(newValue) => {
                                                    setMinDate(newValue && newValue.isValid?.() ? newValue : null);
                                                }}
                                            />
                                        </DemoItem >
                                    </LocalizationProvider>
                                </Grid>
                                <Grid item xs={6}>
                                    <LocalizationProvider dateAdapter={AdapterDayjs}>
                                        <DemoItem  components={['DatePicker']}>
                                            <DatePicker
                                                id="dateTo"
                                                onError={() => {}}
                                                slotProps={{
                                                    field: { readOnly: true, clearable: true },
                                                    textField: {
                                                        InputLabelProps: { shrink: true },
                                                        error: false,
                                                        helperText: null
                                                    },
                                                }}
                                                format="DD/MM/YYYY"
                                                label="Payment Date (To)"
                                                value={toDayjsOrNull(maxDate)}
                                                minDate={toDayjsOrNull(minDate)}
                                                onChange={(newValue) => {
                                                    setMaxDate(newValue && newValue.isValid?.() ? newValue : null);
                                                }}
                                            />
                                        </DemoItem >
                                    </LocalizationProvider>
                                </Grid>
                            </Grid>
                        </Grid>

                        <Grid item xs={9} s={6} md={5} lg={3} sx={{ ml: 3, mr: 3, mb: marginBottom}}>
                            <TextField
                                fullWidth
                                {...register("transNo")}
                                id='transNo'
                                label="Payment No. / Payment Reference No."
                                defaultValue={searchCriteria.transNo}
                                InputLabelProps={{
                                    shrink: true
                                }}
                            />
                        </Grid>

                        <Grid item xs={9} s={6} md={5} lg={3} sx={{ ml: 3, mr: 3, mb: marginBottom }}>
                            <Autocomplete
                                {...register("status")}
                                disablePortal={false}
                                size="small"
                                id="status"
                                filterOptions={(options) => options}
                                options={ComboData.paymentStatus}
                                value={status}
                                getOptionLabel={(option) => (option?.label != null ? String(option.label) : "")}
                                inputValue={status?.label ? status?.label : ""}
                                onChange={(event, newValue) => {
                                    if(newValue==null){
                                        setStatus(ComboData.paymentStatus[0]);
                                    }else{
                                        setStatus(newValue);
                                    }
                                }}
                                sx={{
                                    '& .MuiInputBase-root': { alignItems: 'center' },
                                    '& .MuiAutocomplete-endAdornment': { top: '50%', transform: 'translateY(-50%)' },
                                    '& .MuiOutlinedInput-root': { height: 40 }
                                }}
                                renderInput={(params) => (
                                    <TextField {...params}
                                        label="Status"
                                        InputLabelProps={{ shrink: true }}
                                    />
                                )}
                            />
                        </Grid>
                        
                        <Grid item xs={9} s={6} md={5} lg={3} sx={{ ml: 3, mr: 3, mb: marginBottom }}>
                            <Autocomplete
                                {...register("payMethod")}
                                disablePortal={false}
                                size="small"
                                id="payMethod"
                                filterOptions={(options) => options}
                                options={ComboData.payMethod}
                                value={payMethod}
                                getOptionLabel={(option) => (option?.label != null ? String(option.label) : "")}
                                inputValue={payMethod?.label ? payMethod?.label : ""}
                                onChange={(event, newValue) => {
                                    if(newValue==null){
                                        setPayMethod(ComboData.payMethod[0]);
                                    }else{
                                        setPayMethod(newValue);
                                    }
                                }}
                                sx={{
                                    '& .MuiInputBase-root': { alignItems: 'center' },
                                    '& .MuiAutocomplete-endAdornment': { top: '50%', transform: 'translateY(-50%)' },
                                    '& .MuiOutlinedInput-root': { height: 40 }
                                }}
                                renderInput={(params) => (
                                    <TextField {...params}
                                        label="Payment Method"
                                        InputLabelProps={{ shrink: true }}
                                    />
                                )}
                            />
                        </Grid>
                    </Grid>
                </Grid>


                {/*last row*/}
                <Grid container maxWidth justifyContent="flex-end">
                    <ThemeProvider theme={PNSPS_BUTTON_THEME}>
                    <Grid item sx={{ ml: 3, mb: 3}}>
                        <Button
                            variant="contained"
                            color="cancel"
                            onClick={resetForm}
                        >
                            Reset
                        </Button>
                    </Grid>

                    <Grid item sx={{ ml: 3, mr: 3, mb: 3 }}>
                        <Button
                            variant="contained"
                            type="submit"
                            disabled={onGridReady}
                        >
                            Submit
                        </Button>
                    </Grid>
                    </ThemeProvider>
                </Grid>
            </form>
        </MainCard>
    );
};

export default SearchPublicNoticeForm;