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

import LocalShippingIcon from '@mui/icons-material/LocalShipping';

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



function ShiftComponent({ shift, onShiftSelect, isSelected, onPublisherSelect, allPublishersInfo, onAssignmentChange }) {
    const [isDeleted, setIsDeleted] = useState(false);
    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) => {
        if (onShiftSelect) {
            onShiftSelect(shift);
        }
    };

    const handlePublisherClick = (publisher) => {
        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 deleteShift = async (id) => {
        try {
            console.log("Removing shift with id:", id);
            await axiosInstance.delete("/api/data/shifts/" + id);
            setIsDeleted(true);
        } catch (error) {
            console.error("Error removing shift:", error);
        }
    }


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

    const addAssignment = async (publisher, shiftId) => {
        try {
            console.log(`new assignment for publisher ${publisher.id} - ${publisher.firstName} ${publisher.lastName}`);
            const newAssignment = {
                publisher: { connect: { id: publisher.id } },
                shift: { connect: { id: shiftId } },
                //isActive: true,
                isConfirmed: true,
            };
            const { data } = await axiosInstance.post("/api/data/assignments", newAssignment);
            // Update the 'publisher' property of the returned data with the full publisher object
            data.publisher = publisher;
            //ToDo: see if we need to update in state
            // publisher.currentWeekAssignments += 1;
            // publisher.currentMonthAssignments += 1;
            if (onAssignmentChange) {
                onAssignmentChange(data.publisher.id, 'add')
            }
            setAssignments(prevAssignments => [...prevAssignments, data]);
        } catch (error) {
            console.error("Error adding assignment:", error);
        }
    };
    const copyAllPublisherNames = () => {
        const names = assignments.map(ass => `${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) { }
    }

    async function toggleRequiresTransport(shiftId): Promise<void> {
        try {
            shift.requiresTransport = !shift.requiresTransport;
            const { data } = await axiosInstance.put("/api/data/shifts/" + shiftId,
                { requiresTransport: shift.requiresTransport })
                .then(() => {
                    console.log("shift '" + shiftId + "' transport required:" + shift.requiresTransport);
                    // setTransportProvided(assignments.some(ass => ass.isWithTransport))
                });
        } catch (error) { }
    }

    return (
        <>{!isDeleted && (
            <div className={`flow w-full p-4 py-2 border-2 border-gray-300 rounded-md my-1 ${isSelected ? 'bg-gray-200' : ''}`}
                onClick={handleShiftClick} onDoubleClick={copyAllPublisherNames}>
                {/* Time Window Header */}
                <div className="flex justify-between items-center mb-2 border-b pb-1">
                    <span className="flex text-lg font-semibold">
                        {`${common.getTimeRange(new Date(shift.startTime), new Date(shift.endTime))}`}
                        {/* {shift.requiresTransport && (<LocalShippingIcon />)} */}
                        {/* Toggle for Transport Requirement */}
                        <label className="ml-4 flex items-center">
                            <input type="checkbox" checked={shift.requiresTransport}
                                onChange={() => toggleRequiresTransport(shift.id)}
                                className="form-checkbox h-5 w-5 text-green-600" />
                            <span className="ml-2 text-sm text-gray-700">транспорт</span>
                        </label>
                    </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 += 'bg-blue-200 font-bold '; // Bottom border for selected publishers
                    }

                    if (publisherInfo.availabilityCount == 0 || !publisherInfo.availabilities || publisherInfo.availabilities.length == 0)
                    //user has never the filled the avalabilities form or if there is no publisherInfo - draw red border - publisher is no longer available for the day!
                    {
                        borderStyles += 'border-2 border-red-500 ';
                    } else {

                        // checkig if the publisher is available for this assignment
                        //ToDo: verify if that check is correct
                        const av = publisherInfo.availabilities?.find(av =>
                            av.startTime <= shift.startTime && av.endTime >= shift.endTime
                        );
                        if (av) {
                            borderStyles += 'border-b-2 border-blue-500 '; // Left border for specific availability conditions
                            ass.canTransport = av.isWithTransportIn || av.isWithTransportOut;
                            // console.log(publisherInfo.firstName, "available for shift", shift.id, "at", common.getDateFormattedShort(new Date(shift.startTime)), "av-" + av.id, ": a." + common.getTimeFormatted(av.startTime), "<=", common.getTimeFormatted(shift.startTime), "; a." + common.getTimeFormatted(av.endTime), ">=", common.getTimeFormatted(shift.endTime));
                        }
                        else {
                            borderStyles += 'border-l-4 border-red-500 ';
                        }

                        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 rounded-md px-2 py-1 sm:py-0.5 my-1 ${(ass.isConfirmed && !ass.isBySystem) ? '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 || true ? () => toggleTransport(ass) : undefined}
                                            className={`material-icons ${ass.isWithTransport ? 'text-green-500 font-bold' : (transportProvided ? 'text-gray-400 ' : 'text-orange-400 font-bold')} ${ass.canTransport || ass.isWithTransport || true ? ' cursor-pointer' : 'cursor-not-allowed'} px-3 py-0 ml-2 rounded-md`}
                                        >
                                            {ass.isWithTransport ? "транспорт" : ass.canTransport ? "може транспорт" : "без транспорт"} <LocalShippingIcon />
                                        </span>
                                    )}
                                    <button onClick={() => removeAssignment(ass.id)} className="items-center leading-snug text-white text-center bg-red-500 hover:bg-red-600 px-3 py-1 md:py-0.5 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 участник{/* Placeholder for Add icon */}
                    </button>
                    {assignments.length == 0 && (
                        <button onClick={() => deleteShift(shift.id)} className="bg-red-500 text-white p-2 py-1 rounded-md"
                        >изтрий смяната</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;
