import React, { useState, useEffect } from 'react';
import axiosInstance from '../../src/axiosSecure';
import PublisherSearchBox from '../publisher/PublisherSearchBox'; // Update the path

import { DirectionsBus } from '@mui/material'; // Import MUI CircularProgress for loading indicator

const common = require('src/helpers/common');


interface ModalProps {
    children: React.ReactNode;
    isOpen: boolean;
    onClose: () => void;
    forDate: Date;
    useFilterDate: boolean;
    onUseFilterDateChange: (value: boolean) => void;
}

function Modal({ children, isOpen, onClose, forDate, useFilterDate, onUseFilterDateChange }: ModalProps) {
    if (!isOpen) return null;
    const isValidDate = forDate instanceof Date && !isNaN(forDate.getTime());
    console.log("forDate", forDate, isValidDate);

    return (
        <div className="fixed inset-0 flex items-center justify-center z-50">
            <div className="bg-white p-4 rounded-md shadow-lg modal-content">
                {isValidDate && (
                    <h2 className="text-xl font-bold mb-2">
                        <label className="cursor-pointer">
                            <input
                                type="checkbox"
                                checked={useFilterDate}
                                onChange={(e) => onUseFilterDateChange(e.target.checked)}
                            />
                            {` на разположение ${common.getDateFormated(forDate)} или ${common.getDayOfWeekName(forDate)}`}
                        </label>
                    </h2>
                )}
                {children}
                <button type="button" onClick={onClose} className="mt-4 text-red-500">
                    Close
                </button>
            </div>
            <div className="fixed inset-0 bg-black opacity-50 modal-overlay" onClick={onClose}></div>
        </div>
    );
}


function ShiftComponent({ shift, onShiftSelect, isSelected, onPublisherSelect, allPublishersInfo }) {

    const [assignments, setAssignments] = useState(shift.assignments);
    const [isModalOpen, setIsModalOpen] = useState(false);
    const [useFilterDate, setUseFilterDate] = useState(true);
    const [selectedPublisher, setSelectedPublisher] = useState(null);
    const [showCopyHint, setShowCopyHint] = useState(false);
    const [transportProvided, setTransportProvided] = useState(false);
    // Update assignments when shift changes
    useEffect(() => {
        setAssignments(shift.assignments);
        setTransportProvided(!shift.requiresTransport || shift.assignments.some(ass => ass.isWithTransport));
    }, [shift.assignments]);

    const handleShiftClick = (shiftId) => {
        // console.log("onShiftSelect prop:", onShiftSelect);
        // console.log("Shift clicked:", shift);
        //shift.selectedPublisher = selectedPublisher;
        if (onShiftSelect) {
            onShiftSelect(shift);
        }
    };

    const handlePublisherClick = (publisher) => {

        //toggle selected    
        // if (selectedPublisher != null) {
        //     setSelectedPublisher(null);
        // }
        // else {
        setSelectedPublisher(publisher);


        console.log("Publisher clicked:", publisher, "selected publisher:", selectedPublisher);
        shift.selectedPublisher = publisher;
        if (onShiftSelect) {
            onShiftSelect(shift);
        }
        // if (onPublisherSelect) {
        //     onPublisherSelect(publisher);
        // }

        common.copyToClipboard(null, publisher.firstName + ' ' + publisher.lastName);
    }

    const removeAssignment = async (id) => {
        try {
            console.log("Removing assignment with id:", id);
            await axiosInstance.delete("/api/data/assignments/" + id);
            setAssignments(prevAssignments => prevAssignments.filter(ass => ass.id !== id));
        } catch (error) {
            console.error("Error removing assignment:", error);
        }
    };

    const addAssignment = async (publisher, shiftId) => {
        try {
            console.log(`new assignment for publisher ${publisher.id} - ${publisher.firstName} ${publisher.lastName}`);
            const newAssignment = {
                publisher: { connect: { id: publisher.id } },
                shift: { connect: { id: shiftId } },
                //isactive: true,
                isConfirmed: true,
            };
            const { data } = await axiosInstance.post("/api/data/assignments", newAssignment);
            // Update the 'publisher' property of the returned data with the full publisher object
            data.publisher = publisher;
            setAssignments(prevAssignments => [...prevAssignments, data]);
        } catch (error) {
            console.error("Error adding assignment:", error);
        }
    };
    const copyAllPublisherNames = () => {
        const names = assignments.map(ass => `${ass.publisher.firstName} ${ass.publisher.lastName}`).join(', ');
        common.copyToClipboard(null, names);
        // Show hint and set a timer to hide it
        setShowCopyHint(true);
        setTimeout(() => setShowCopyHint(false), 1500);
    };

    async function toggleTransport(assignment): Promise<void> {
        try {
            assignment.isWithTransport = !assignment.isWithTransport;
            const { data } = await axiosInstance.put("/api/data/assignments/" + assignment.id,
                { isWithTransport: assignment.isWithTransport })
                .then(() => {
                    setTransportProvided(assignments.some(ass => ass.isWithTransport))
                });
        } catch (error) { }
    }




    return (
        <div className={`flow w-full p-4 py-2 border-2 border-gray-300 rounded-md my-1 ${isSelected ? 'bg-gray-200' : ''}`}
            onClick={handleShiftClick} onDoubleClick={copyAllPublisherNames}>
            {/* Time Window Header */}
            <div className="flex justify-between items-center mb-2 border-b pb-1">
                <span className="text-lg font-semibold">
                    {`${common.getTimeRange(new Date(shift.startTime), new Date(shift.endTime))}`}
                </span>

                {/* Copy All Names Button */}
                <button onClick={copyAllPublisherNames} className="bg-green-500 text-white py-1 px-2 text-sm rounded-md">
                    копирай имената {/* Placeholder for Copy icon */}
                </button>
                {/* Hint Message */}
                {showCopyHint && (
                    <div className="absolute top-0 right-0 p-2 bg-green-200 text-green-800 rounded">
                        Имената са копирани
                    </div>
                )}
            </div>


            {/* Assignments */}
            {assignments.map((ass, index) => {
                const publisherInfo = allPublishersInfo.find(info => info?.id === ass.publisher.id) || ass.publisher;

                // Determine border styles
                let borderStyles = '';
                let canTransport = false;
                if (selectedPublisher && selectedPublisher.id === ass.publisher.id) {
                    borderStyles += 'border-2 border-blue-300'; // Bottom border for selected publishers
                }
                else {
                    if (publisherInfo.availabilityCount == 0) //user has never the form
                    {
                        borderStyles = 'border-2 border-orange-300 ';
                    }
                    else
                        //if there is no publisherInfo - draw red border - publisher is no longer available for the day!
                        if (!publisherInfo.availabilities || publisherInfo.availabilities.length == 0) {
                            borderStyles = 'border-2 border-red-500 ';
                        }
                        else {

                            // checkig if the publisher is available for this assignment
                            const av = publisherInfo.availabilities?.find(av =>
                                av.startTime <= shift.startTime && av.endTime >= shift.endTime
                            );
                            if (av) {
                                borderStyles += 'border-l-2 border-blue-500 '; // Left border for specific availability conditions
                                ass.canTransport = av.isWithTransportIn || av.isWithTransportOut;
                            }

                            if (publisherInfo.hasUpToDateAvailabilities) {
                                //add green right border
                                borderStyles += 'border-r-2 border-green-300';
                            }

                            //the pub is the same time as last month
                            // if (publisherInfo.availabilities?.some(av =>
                            //     (!av.dayOfMonth || av.isFromPreviousMonth) &&
                            //     av.startTime <= ass.startTime &&
                            //     av.endTime >= ass.endTime)) {
                            //     borderStyles += 'border-t-2 border-yellow-500 '; // Left border for specific availability conditions
                            // }

                        }

                }

                return (
                    <div key={index}
                        className={`flow space-x-2 rounded-md px-2 py-1 my-1 ${ass.isConfirmed ? 'bg-green-100' : 'bg-gray-100'} ${borderStyles}`}
                    >
                        <div className="flex justify-between items-center" onClick={() => handlePublisherClick(ass.publisher)}>
                            <span className="text-gray-700">{publisherInfo.firstName} {publisherInfo.lastName}</span>
                            <div className="flex items-left" >
                                {/* //if shift.isWithTransport, add trnsport button toggle, which sets ass.isWithTransportIn  */}
                                {shift.requiresTransport && (
                                    <span
                                        onClick={ass.canTransport ? () => toggleTransport(ass) : undefined}
                                        className={`material-icons ${ass.isWithTransport || ass.canTransport ? 'text-green-500 font-bold' : (transportProvided ? 'text-gray-400 ' : 'text-orange-400 font-bold')} ${ass.canTransport ? ' cursor-pointer' : 'cursor-not-allowed'} px-3 py-1 ml-2 rounded-md`}
                                    >
                                        {ass.isWithTransport ? "транспорт" : ass.canTransport ? "може транспорт" : "без транспорт"}
                                    </span>
                                )}
                                <button onClick={() => removeAssignment(ass.id)} className="text-white bg-red-500 hover:bg-red-600 px-3 py-1 ml-2 rounded-md" >
                                    махни
                                </button>

                            </div>

                        </div>
                    </div>
                );
            })}


            {/* This is a placeholder for the dropdown to add a publisher. You'll need to implement or integrate a dropdown component */}

            <div className="flex space-x-2 items-center">
                {/* Add Button */}
                <button onClick={() => setIsModalOpen(true)} className="bg-blue-500 text-white p-2 py-1 rounded-md">
                    добави {/* Placeholder for Add icon */}
                </button>
            </div>

            {/* Modal for Publisher Search 
            forDate={new Date(shift.startTime)} 
            */}
            <Modal isOpen={isModalOpen}
                onClose={() => setIsModalOpen(false)}
                forDate={new Date(shift.startTime)}
                useFilterDate={useFilterDate}
                onUseFilterDateChange={(value) => setUseFilterDate(value)}>

                <PublisherSearchBox
                    selectedId={null}
                    isFocused={isModalOpen}
                    filterDate={useFilterDate ? new Date(shift.startTime) : null}
                    onChange={(publisher) => {
                        // Add publisher as assignment logic
                        setIsModalOpen(false);
                        addAssignment(publisher, shift.id);
                    }}
                    showAllAuto={true}
                    showSearch={true}
                    showList={false}
                />
            </Modal>
        </div >
    );
}

export default ShiftComponent;