import { useState, useEffect } from '@wordpress/element';

function isOpenNow(operatingHours = []) {
    if (!operatingHours.length) return null;

    const now = new Date();
    const dayNames = ['Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday'];
    const today = dayNames[now.getDay()];
    const todaysHours = operatingHours.filter(h => h.day === today);
    if (!todaysHours.length) return null;

    for (let h of todaysHours) {
        if (h.closed) continue;
        if (h.open_24_hours) return true;
        if (!h.opening_time || !h.closing_time) continue;

        const [openH, openM] = h.opening_time.split(':').map(Number);
        const [closeH, closeM] = h.closing_time.split(':').map(Number);

        const openDate = new Date(now);
        openDate.setHours(openH, openM, 0, 0);
        const closeDate = new Date(now);
        closeDate.setHours(closeH, closeM, 0, 0);

        if (now >= openDate && now <= closeDate) return true;
    }

    return false;
}

export default function DirectoryListingItem({
    post,
    imageSrc = '',
    imageMediaID = null,
    restRoot = '', // must pass multisite REST root from View.js
    onQuickView,
    style = 'hero',
    displayCategoryTitle = '',
    displayCategoryURL = '#',
    operatingHours = [],
    titleTag,
    postDescription,
}) {
    const [finalImageSrc, setFinalImageSrc] = useState(imageSrc);
    const [isOpen, setIsOpen] = useState(null);
    const TitleTag = titleTag || 'h3';

    useEffect(() => {
        setIsOpen(isOpenNow(operatingHours));
    }, [operatingHours]);

    // Fetch image URL if imageMediaID is provided
    useEffect(() => {
        if (!imageMediaID) return;
        if (!restRoot) {
            console.error('DirectoryListingItem: restRoot is required for multisite media fetch.');
            return;
        }

        let isMounted = true;
        const url = `${restRoot}wp/v2/media/${imageMediaID}`;
        console.log('Fetching media URL:', url);

        fetch(url)
            .then(res => {
                if (!res.ok) throw new Error(`Media fetch failed: ${res.status}`);
                return res.json();
            })
            .then(data => {
                if (isMounted && data?.source_url) {
                    setFinalImageSrc(data.source_url);
                }
            })
            .catch(err => console.error('Failed to fetch media:', err));

        return () => { isMounted = false; };
    }, [imageMediaID, restRoot]);

    const heroStyle = style === 'hero' && finalImageSrc ? { backgroundImage: `url(${finalImageSrc})` } : {};

    const content = (
        <>
            {style !== 'hero' && (
                <div className="listing-left">
                    {finalImageSrc ? (
                        <img src={finalImageSrc} alt={post.title?.rendered || 'Post image'} />
                    ) : (
                        <div className="placeholder-image">No Image</div>
                    )}
                </div>
            )}

            <div className="listing-right">
                {displayCategoryTitle && (
                    <a
                        className="listing-category-button"
                        href={displayCategoryURL}
                        target="_blank"
                        rel="noopener noreferrer"
                    >
                        {displayCategoryTitle}
                    </a>
                )}

                <TitleTag>
                    {post.title?.rendered ? (
                        <a href={post.link} dangerouslySetInnerHTML={{ __html: post.title.rendered }} />
                    ) : (
                        <span>No title</span>
                    )}
                </TitleTag>

                {postDescription ? (
    <p dangerouslySetInnerHTML={{ __html: postDescription }} />
) : null}

                {isOpen !== null && (
                    <span className={`open-status ${isOpen ? 'open' : 'closed'}`}>
                        {isOpen ? 'Open' : 'Closed'}
                    </span>
                )}

                <button className="quickview-button" onClick={() => onQuickView(post)}>
                    QuickView
                </button>
            </div>
        </>
    );

    return style === 'hero' ? (
        <a href={post.link} className={`directory-listing ${style}`} style={heroStyle}>
            {content}
        </a>
    ) : (
        <article className={`directory-listing ${style}`} style={heroStyle}>
            {content}
        </article>
    );
}