import React, { Component } from "react";
import { __ } from "@wordpress/i18n";
import {
    Paper, Typography, TableContainer, Table, TableHead, 
    TableRow, TableCell, TableSortLabel, TableBody,
    TablePagination, Avatar, IconButton, Box, Skeleton, Button
} from "@mui/material";
import ModeIcon from "@mui/icons-material/Mode";
import DeleteIcon from "@mui/icons-material/Delete";
import { 
    handleRequestSort, handleChangePage, handleChangeRowsPerPage 
} from "../../functions";
import { SnackbarNotice, ConfirmationDialog } from "../../functions";
import currencies from "../../currencies.json";
import EditAppointment from "./EditAppointment";
import dayjs from "dayjs";

class AppointmentTable extends Component {
    state = {
        snackbarOpen: false,
        snackbarMessage: "",
        snackbarType: "success",
        dialogOpen: false,
        selectedAppointment: null,
        confirmationDialogOpen: false,
        confirmationLoading: false,
        AppointmentIdToDelete: null,
    }

    handleEditDialogOpen = (appointment) => {
        this.setState({ dialogOpen: true, selectedAppointment: appointment });
    };

    handleDeleteDialogClose = () => {
        this.setState({ dialogOpen: false, selectedAppointment: null });
    };

    componentDidMount() {
        let { headCells } = this.props;
        const ZoomMeeting = window.ZoomMeeting;

        if ( ZoomMeeting ) {
            headCells.push(
                { id: "zoom_meeting", label: "Zoom Meeting", priority: 37 },
            );
        }

        headCells = window.wp.hooks.applyFilters("bookify_appointment_table_add_columns", headCells);
        this.props.setState({ headCells });
    }

    handleAppointmentDelete = (AppointmentId) => {
        this.setState({ confirmationDialogOpen: true, AppointmentIdToDelete: AppointmentId });
    };

    confirmationAppointmentDelete = () => {
        const { AppointmentIdToDelete } = this.state;
        this.setState({ confirmationLoading: true });

        const dataToSend = {};
        dataToSend.appointment_id = AppointmentIdToDelete;

        fetch(`${wpbAdmin.root}bookify/v1/delete-appointment`, {
            method: "POST",
            headers: {
                "Content-Type": "application/json",
                "X-WP-Nonce": wpApiSettings.nonce
            },
            body: JSON.stringify(dataToSend)
        })
        .then(response => response.json())
        .then(response => {
            if ( response.success ) {
                this.setState({ 
                    confirmationDialogOpen: false,
                    AppointmentIdToDelete: null,
                    confirmationLoading: false,
                    snackbarOpen: true,
                    snackbarMessage: response.message,
                    snackbarType: "success",
                });
                this.props.fetchAppointmentData();
            } else {
                this.setState({ 
                    confirmationLoading: false,
                    snackbarOpen: true,
                    snackbarMessage: response.message,
                    snackbarType: "error",
                });
            }
        })
        .catch(error => {
            console.error("Error deleting category:", error);
            this.setState({ confirmationLoading: false });
        })
    }

    handleZoomStartLink = (zoomLinks) => {
        window.open( zoomLinks.start_url, "_blank" );

    }

    handleZoomJoinLink = (zoomLinks) => {
        window.open( zoomLinks.join_url, "_blank" );
    }

    render() {

        const { dialogOpen, selectedAppointment, snackbarOpen, snackbarMessage, snackbarType, confirmationDialogOpen, confirmationLoading } = this.state;
        const { state, setState, headCells, TableData, totalCount, pageSize, page, orderBy, order, currency, locations, services, customers, priorToggle, priorTime, dateFormat, timeFormat, isStaff, dataLoading } = this.props;
        const matchedCurrency = Object.values(currencies).find(eachCurrency => eachCurrency.code === currency);
        const timeFormated = timeFormat == "12-hour" ? "hh:mm A" : "HH:mm";

        return (
            <>
                <Paper sx={{boxShadow:"none", border:"1px solid #DDEEEE", borderRadius:"4px"}}>
                    <TableContainer>
                        <Table>
                            <TableHead>
                                <TableRow>
                                    {headCells.sort((a, b) => a.priority - b.priority).map((headCell) => (
                                        <TableCell
                                            key={headCell.id}
                                            align="left"
                                            sortDirection={orderBy === headCell.id ? order : false}
                                            sx={{borderBottom: "1px solid #CDE0E0", width:headCell.id === "action" ? "6em" : "unset"}}
                                        >
                                            {headCell.id === "action" ? (
                                                <Typography variant="span">{headCell.label}</Typography>
                                            ) : (
                                                <TableSortLabel
                                                    active={orderBy === headCell.id}
                                                    direction={orderBy === headCell.id ? order : "desc"}
                                                    onClick={(event) => handleRequestSort(state, setState, headCell.id)}
                                                >
                                                    {headCell.label}
                                                </TableSortLabel>
                                            )}
                                        </TableCell>
                                    ))}
                                </TableRow>
                            </TableHead>
                            <TableBody>
                                {dataLoading ? (
                                    Array.from({ length: 5 }).map((_, index) => (
                                        <TableRow key={index}>
                                            {headCells.map((headCell) => (
                                                <TableCell key={headCell.id} align="left" sx={{borderBottom: "1px solid #CDE0E0"}}>
                                                    <Skeleton animation="wave" variant="text" width="80%" />
                                                </TableCell>
                                            ))}
                                        </TableRow>
                                    ))
                                ) : TableData.length === 0 ? (
                                    <TableRow>
                                        <TableCell colSpan={headCells.length} align="center" sx={{borderBottom: "1px solid #CDE0E0", height:"36px"}}>
                                            {__("No records to display", "bookify")}
                                        </TableCell>
                                    </TableRow>
                                ) : (
                                    TableData.map((row) => {
                                        return (
                                            <TableRow hover key={row.appointment_id} >
                                                {headCells.sort((a, b) => a.priority - b.priority).map((headCell) => (
                                                    <TableCell key={headCell.id} align="left" sx={{borderBottom: "1px solid #CDE0E0"}}>
                                                        {headCell.id === "appointment_date" ? (
                                                            <Typography 
                                                                sx={{
                                                                    display: "flex",
                                                                    flexDirection: "column",
                                                                    color:"#036666",
                                                                    fontSize:"0.875rem"
                                                                }}
                                                            >
                                                                {dayjs(row[headCell.id]).format(dateFormat)}
                                                            </Typography>
                                                        ) : headCell.id === "appointment_customer" ? (
                                                            <Box sx={{display:"flex"}}>
                                                                <Avatar 
                                                                    src={row.appointment_customer_img ? row.appointment_customer_img : undefined}
                                                                    sx={{
                                                                        fontSize:"1rem",
                                                                        width:"35px",
                                                                        height:"35px",
                                                                        mr:"10px"
                                                                    }}
                                                                />
                                                                <Typography 
                                                                    sx={{
                                                                        display: "flex",
                                                                        flexDirection: "column",
                                                                        color:"#036666",
                                                                        fontSize:"0.875rem"
                                                                    }}
                                                                >
                                                                    {row["appointment_customer_name"]}
                                                                    <Typography 
                                                                        variant="caption"
                                                                        sx={{
                                                                            color:"#18120F",
                                                                            fontSize:"0.875rem"
                                                                        }}
                                                                    >
                                                                        {row["appointment_customer_email"]}
                                                                    </Typography>
                                                                </Typography>
                                                            </Box>
                                                        ) : headCell.id === "appointment_staff" ? (
                                                            <Box sx={{display:"flex"}}>
                                                                <Avatar 
                                                                    src={row.appointment_staff_img ? row.appointment_staff_img : undefined}
                                                                    sx={{
                                                                        fontSize:"1rem",
                                                                        width:"35px",
                                                                        height:"35px",
                                                                        mr:"10px"
                                                                    }}
                                                                />
                                                                <Typography 
                                                                    sx={{
                                                                        display: "flex",
                                                                        alignItems: "left",
                                                                        flexDirection: "column",
                                                                        color:"#036666",
                                                                        fontSize:"0.875rem"
                                                                    }}
                                                                >
                                                                    {row["appointment_staff_name"]}
                                                                    <Typography 
                                                                        variant="caption"
                                                                        sx={{
                                                                            color:"#18120F",
                                                                            fontSize:"0.875rem"
                                                                        }}
                                                                    >
                                                                        {row["appointment_staff_email"]}
                                                                    </Typography>
                                                                </Typography>
                                                            </Box>
                                                        ) : headCell.id === "appointment_service" ? (
                                                            <Typography 
                                                                sx={{
                                                                    display: "flex",
                                                                    alignItems: "left",
                                                                    flexDirection: "column",
                                                                    fontSize:"0.875rem"
                                                                }}
                                                            >
                                                                {row["service_name"] ? row["service_name"] : " - "}
                                                            </Typography>
                                                        ) : headCell.id === "appointment_price" ? (
                                                            <Box component={"span"}>
                                                                {matchedCurrency ? `${matchedCurrency.symbol_native} ${row[headCell.id]}` : row[headCell.id]}
                                                            </Box>
                                                        ) : headCell.id === "appointment_duration" ? (
                                                            <Box component={"span"} sx={{ textWrap: "nowrap" }}>
                                                                {JSON.parse(row[headCell.id]).map((time) => {
                                                                    const [start, end] = time.split(" - ");
                                                                    return `${dayjs(`1970-01-01 ${start}`).format(timeFormated)} - ${dayjs(`1970-01-01 ${end}`).format(timeFormated)}`;
                                                                }).join(" | ")}
                                                            </Box>
                                                        ) : headCell.id === "appointment_created" ? (
                                                            <Box component={"span"}>
                                                                {dayjs(row[headCell.id]).format(dateFormat + " " + timeFormated)}
                                                            </Box>
                                                        ) : headCell.id === "zoom_meeting" ? (
                                                            row.zoom_links ? (
                                                                <Box sx={{ display: "flex", gap: "7px", flexDirection: "column", alignItems: "left" }}>
                                                                    <Button
                                                                        variant="contained"
                                                                        onClick={() => this.handleZoomStartLink(row.zoom_links)}
                                                                        sx={{
                                                                            backgroundColor: "#1B9D2C",
                                                                            width: "8rem",
                                                                            fontSize: "13px",
                                                                            textTransform: "capitalize",
                                                                            padding: "3px",
                                                                            "&:hover": {
                                                                                backgroundColor: "#138522",
                                                                            },
                                                                        }}
                                                                    >
                                                                        {__("Start Now", "bookify")}
                                                                    </Button>
                                                                    <Button
                                                                        variant="contained"
                                                                        onClick={() => this.handleZoomJoinLink(row.zoom_links)}
                                                                        sx={{
                                                                            backgroundColor: "#FF6C22",
                                                                            width: "8rem",
                                                                            fontSize: "13px",
                                                                            textTransform: "capitalize",
                                                                            padding: "3px",
                                                                            "&:hover": {
                                                                                backgroundColor: "#EB5E17",
                                                                            },
                                                                        }}
                                                                    >
                                                                        {__("Join Now", "bookify")}
                                                                    </Button>
                                                                </Box>
                                                            ) : "-"
                                                        ) : headCell.id === "appointment_status" ? (
                                                            row.appointment_status === "Pending" ? (
                                                                <Box sx={{borderRadius:"14px", padding:"4px 10px", backgroundColor:"#FFF4E3", color:"#74561C", textAlign:"center"}}>
                                                                    {row.appointment_status}
                                                                </Box>
                                                            ) : row.appointment_status === "Confirmed" ? (
                                                                <Box sx={{borderRadius:"14px", padding:"4px 10px", backgroundColor:"#E7F3D7", color:"#545E48", textAlign:"center"}}>
                                                                    {row.appointment_status}
                                                                </Box>
                                                            ) : row.appointment_status === "Completed" ? (
                                                                <Box sx={{borderRadius:"14px", padding:"4px 10px", backgroundColor:"#E3EEFF", color:"#1C3E74", textAlign:"center"}}>
                                                                    {row.appointment_status}
                                                                </Box>
                                                            ) : row.appointment_status === "Delayed" ? (
                                                                <Box sx={{borderRadius:"14px", padding:"4px 10px", backgroundColor:"#F3E4FF", color:"#54485E", textAlign:"center"}}>
                                                                    {row.appointment_status}
                                                                </Box>
                                                            ) : row.appointment_status === "On Hold" ? (
                                                                <Box sx={{borderRadius:"14px", padding:"4px 10px", backgroundColor:"#F0F0F0", color:"#555555", textAlign:"center"}}>
                                                                    {row.appointment_status}
                                                                </Box>
                                                            ) : (
                                                                <Box sx={{borderRadius:"14px", padding:"4px 10px", backgroundColor:"#FFE9E3", color:"#74311C", textAlign:"center"}}>
                                                                    {row.appointment_status}
                                                                </Box>
                                                            )
                                                        ) : headCell.id === "action" ? (
                                                            <Box sx={{textWrap:"nowrap", width:"100%"}}>
                                                                <IconButton 
                                                                    color="success"
                                                                    sx={{padding:"6px"}}
                                                                    onClick={() => this.handleEditDialogOpen(row)}
                                                                >
                                                                    <ModeIcon />
                                                                </IconButton>
                                                                { ! isStaff && (
                                                                    <>
                                                                        <IconButton 
                                                                            color="error"
                                                                            onClick={(event) => { 
                                                                                this.handleAppointmentDelete(row.appointment_id) 
                                                                            }}
                                                                            sx={{padding:"6px"}}
                                                                        >
                                                                            <DeleteIcon />
                                                                        </IconButton>
                                                                    </>
                                                                )}
                                                            </Box>
                                                        ) : (
                                                            row[headCell.id]
                                                        )}
                                                    </TableCell>
                                                ))}
                                            </TableRow>
                                        );
                                    })
                                )}
                            </TableBody>
                        </Table>
                    </TableContainer>
                    <TablePagination
                        component="div"
                        count={totalCount}
                        rowsPerPage={pageSize}
                        page={page}
                        onPageChange={(event, newPage) => handleChangePage(state, setState, this.props.fetchAppointmentData, newPage)}
                        onRowsPerPageChange={(event) => handleChangeRowsPerPage(state, setState, this.props.fetchAppointmentData, event)}
                    />
                </Paper>
                <SnackbarNotice
                    state={this.state}
                    setState={this.setState.bind(this)}
                    open={snackbarOpen}
                    message={snackbarMessage}
                    type={snackbarType}
                />
                <EditAppointment
                    open={dialogOpen}
                    onClose={this.handleDeleteDialogClose}
                    fetchAppointmentData={this.props.fetchAppointmentData}
                    editFormData={selectedAppointment}
                    locations={locations}
                    services={services}
                    customers={customers}
                    priorToggle={priorToggle}
                    priorTime={priorTime}
                    dateFormat={dateFormat}
                    timeFormat={timeFormat}
                    currency={currency}
                />
                <ConfirmationDialog
                    open={confirmationDialogOpen}
                    onClose={() => this.setState({ confirmationDialogOpen: false, AppointmentIdToDelete: null })}
                    onConfirm={this.confirmationAppointmentDelete}
                    loading={confirmationLoading}
                />
            </>
        );
    }
}

export default AppointmentTable;