'use client'
import Link from 'next/link'
import moment from "moment";
import { useState } from "react"

export default function UpcomingEventData() {
    const [currentMonth, setCurrentMonth] = useState(moment());

    // Events normalized with YYYY-MM-DD format
    const events = [
        {
            id: 1,
            date: "2024-01-14",
            time: "05:30 PM",
            title: "Thai Pongal 2024",
            location: "Holy Family Croatian Roman Catholic Parish Hall, Kitchener, Canada",
            image: "/assets/img/event/upcoming-event/thai-pongal.webp",
            url: "#",
        },
        {
            id: 2,
            date: "2024-04-14",
            title: "AGM",
            location: "Christ Lutheran Church, Waterloo, ON",
            image: "/assets/img/event/upcoming-event/agm.webp",
            url: "#",
        },
        {
            id: 3,
            date: "2024-06-22",
            title: "KW Multicultural Festival",
            location: "Indian & Sri Lankan Food Court, Victoria Park, Kitchener, ON",
            image: "/assets/img/event/upcoming-event/kw.webp",
            url: "#",
        },
        {
            id: 4,
            date: "2024-07-07",
            time: "10:00 AM",
            title: "TCA Picnic – Potlock",
            location: "Pinehurst Lake – Sutor Shelter, Ayr, ON",
            image: "/assets/img/event/upcoming-event/picnic.webp",
            url: "#",
        },
        {
            id: 5,
            date: "2024-07-27",
            title: "South Asian Family Sports Day",
            location: "Waterloo Park, Waterloo, ON",
            image: "/assets/img/event/upcoming-event/sports.webp",
            url: "#",
        },
        {
            id: 6,
            date: "2023-08-23",
            time: "06:30-08:30 PM",
            title: "Conestoga College Workshop",
            location: "Conestoga College – WC 241, Doon Campus, Ontario",
            image: "/assets/img/event/upcoming-event/workshop.webp",
            url: "#",
        },
        {
            id: 7,
            date: "2023-08-23",
            time: "06:30-08:30 PM",
            title: "Tamil Cultural Nite",
            location: "Doon Campus, Ontario (TBA)",
            image: "/assets/img/event/upcoming-event/cultural.webp",
            url: "#",
        },
        {
            id: 8,
            date: "2024-10-26",
            time: "1.00 PM-4.30 PM",
            title: "TCA – WPL Deepavali Celebrations",
            location: "Waterloo Public Library, John M. Harper Branch",
            image: "/assets/img/event/upcoming-event/deepavali.webp",
            url: "#",
        },
        {
            id: 9,
            date: "2024-12-21",
            time: "05:00 PM-09:00 PM",
            title: "Christmas & 2024 Year End Celebration",
            location: "RIM Park, 2001 University Ave E, Waterloo, ON",
            image: "/assets/img/event/upcoming-event/christmas.webp",
            url: "#",
        },
    ];

    // Get start and end of current month
    const startOfMonth = currentMonth.clone().startOf("month");
    const endOfMonth = currentMonth.clone().endOf("month");

    // Generate calendar days
    const daysInMonth = [];
    for (let i = 0; i < startOfMonth.day(); i++) {
        daysInMonth.push(null);
    }
    for (let i = 1; i <= endOfMonth.date(); i++) {
        daysInMonth.push(moment(currentMonth).date(i));
    }

    // Get events for a given date
    const getEventForDate = (date) => {
        const dateString = date?.format("YYYY-MM-DD");
        return events.filter(event => event.date === dateString);
    };

    // Navigate months
    const handleMonthChange = (direction) => {
        setCurrentMonth(currentMonth.clone().add(direction, "months"));
    };

    return (
        <div className="event3-section-area sp4">
            <div className="container">
                <div className="row">
                    <div className="col-lg-6 m-auto">
                        <div className="event2-header heading5 text-center space-margin60">
                            <h2 className="text-anime-style-3">Upcoming Events</h2>
                        </div>
                    </div>
                </div>
                <div className="row">
                    {/* Calendar (left side) */}
                    <div className="col-12 col-lg-3">
                        <div className="d-flex justify-content-between align-items-center">
                            <button
                                className="vl-btn4"
                                onClick={() => handleMonthChange(-1)}
                            >
                                Prev
                            </button>
                            <span className="mx-3 fw-700">
                                {currentMonth.format("MMMM YYYY")}
                            </span>
                            <button
                                className="vl-btn4"
                                onClick={() => handleMonthChange(1)}
                            >
                                Next
                            </button>
                        </div>

                        <table className="table table-bordered mt-4" style={{ tableLayout: "fixed" }}>
                            <thead>
                                <tr>
                                    {["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"].map((day, index) => (
                                        <th key={index} className="text-center">
                                            {day}
                                        </th>
                                    ))}
                                </tr>
                            </thead>
                            <tbody>
                                {Array.from({ length: Math.ceil(daysInMonth.length / 7) }, (_, rowIndex) => (
                                    <tr key={rowIndex}>
                                        {daysInMonth
                                            .slice(rowIndex * 7, (rowIndex + 1) * 7)
                                            .map((day, index) => {
                                                const eventList = getEventForDate(day);
                                                return (
                                                    <td
                                                        key={index}
                                                        style={{
                                                            cursor: day ? "default" : "not-allowed",
                                                            backgroundColor: eventList.length > 0 ? "#ce2029" : "white",
                                                            color: eventList.length > 0 ? "white" : "black",
                                                        }}
                                                        title={
                                                            eventList.length > 0
                                                                ? eventList.map(e => e.title).join("\n")
                                                                : ""
                                                        }
                                                    >
                                                        {day ? (
                                                            <div style={{ width: "100%", height: "100%" }}>
                                                                <span className="text-end d-block">{day.date()}</span>
                                                            </div>
                                                        ) : (
                                                            ""
                                                        )}
                                                    </td>
                                                );
                                            })}
                                    </tr>
                                ))}
                            </tbody>
                        </table>
                    </div>



                    <div className="col-lg-9" data-aos="fade-up" data-aos-duration={1000}>

                        <div className="tab-content" id="pills-tabContent">
                            <div className={"tab-pane fade show active tab-pane fade"} id="pills-home" role="tabpanel" aria-labelledby="pills-home-tab" tabIndex={0}>
                                <div className="event-widget-area">




                                    {events.map((event, idx) => {
                                        const isEven = (idx + 1) % 2 === 0; // check even/odd index

                                        return (
                                            <div key={event.id} className="mb-5">
                                                <div className="row align-items-center">
                                                    <div className="col-lg-1" />
                                                    <div className="col-lg-10 m-auto">
                                                        <div className="event2-boxarea box1 d-flex flex-wrap align-items-center">
                                                            <h1 className="active me-3">{String(idx + 1).padStart(2, "0")}</h1>

                                                            {/* First Event (Odd): Image Left | Even Event: Image Right */}
                                                            {!isEven ? (
                                                                <>
                                                                    {/* IMAGE LEFT */}
                                                                    <div className="col-lg-5">
                                                                        <div className="img1">
                                                                            <img src={event.image} alt={event.title} />
                                                                        </div>
                                                                    </div>

                                                                    <div className="col-lg-1" />

                                                                    {/* CONTENT RIGHT */}
                                                                    <div className="col-lg-6">
                                                                        <div className="content-area">
                                                                            <ul>
                                                                                <li>
                                                                                    <span>
                                                                                        <img src="/assets/img/icons/clock1.svg" alt="" />{" "}
                                                                                        {event.time ? `${event.time} - ` : ""}
                                                                                        {moment(event.date).format("ddd, MMM DD, YYYY")}
                                                                                    </span>
                                                                                </li>
                                                                                <li>
                                                                                    <span>
                                                                                        <img src="/assets/img/icons/location1.svg" alt="" />{" "}
                                                                                        {event.location}
                                                                                    </span>
                                                                                </li>
                                                                            </ul>
                                                                            <div className="space20" />
                                                                            <Link href={event.url || "#"} className="head">
                                                                                {event.title}
                                                                            </Link>
                                                                            <div className="space24" />
                                                                            <p>{event.location}</p>
                                                                            <div className="space24" />
                                                                            <div className="btn-area1">
                                                                                <Link href={event.url || "#"} className="vl-btn3">
                                                                                    <span className="demo">Online Tickets</span>
                                                                                </Link>
                                                                            </div>
                                                                        </div>
                                                                    </div>
                                                                </>
                                                            ) : (
                                                                <>
                                                                    {/* CONTENT LEFT */}
                                                                    <div className="col-lg-6">
                                                                        <div className="content-area">
                                                                            <ul>
                                                                                <li>
                                                                                    <span>
                                                                                        <img src="/assets/img/icons/clock1.svg" alt="" />{" "}
                                                                                        {event.time ? `${event.time} - ` : ""}
                                                                                        {moment(event.date).format("ddd, MMM DD, YYYY")}
                                                                                    </span>
                                                                                </li>
                                                                                <li>
                                                                                    <span>
                                                                                        <img src="/assets/img/icons/location1.svg" alt="" />{" "}
                                                                                        {event.location}
                                                                                    </span>
                                                                                </li>
                                                                            </ul>
                                                                            <div className="space20" />
                                                                            <Link href={event.url || "#"} className="head">
                                                                                {event.title}
                                                                            </Link>
                                                                            <div className="space24" />
                                                                            <p>{event.location}</p>
                                                                            <div className="space24" />
                                                                            <div className="btn-area1">
                                                                                <Link href={event.url || "#"} className="vl-btn3">
                                                                                    <span className="demo">Online Tickets</span>
                                                                                </Link>
                                                                            </div>
                                                                        </div>
                                                                    </div>

                                                                    <div className="col-lg-1" />

                                                                    {/* IMAGE RIGHT */}
                                                                    <div className="col-lg-5">
                                                                        <div className="img1">
                                                                            <img src={event.image} alt={event.title} />
                                                                        </div>
                                                                    </div>
                                                                </>
                                                            )}
                                                        </div>
                                                    </div>
                                                </div>
                                            </div>
                                        );
                                    })}

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