/* eslint-disable @next/next/no-img-element -- External card image URLs; next/image migration is out of scope. */
import { useEffect, useRef, useState } from 'react';
import { formatProcessedDestination, VOCAB } from '../../lib/collection-vocabulary.js';
import GlassSurface from '../ui/GlassSurface.js';

const CONDITION_OPTIONS = ['NM', 'LP', 'MP', 'HP', 'DMG'];

function confidencePercent(confidence) {
  if (confidence == null || Number.isNaN(confidence)) return null;
  return confidence <= 1 ? Math.round(confidence * 100) : Math.round(confidence);
}

function confidenceRingColor(pct) {
  if (pct == null) return 'var(--border)';
  if (pct < 70) return 'var(--accent-ember)';
  if (pct < 85) return 'var(--color-warning)';
  return 'var(--color-success)';
}

export default function ReviewCardItem({
  card,
  collections,
  decks,
  onIncrement,
  onDecrement,
  onUpdateMetadata,
  onRemove,
  onUndo,
  isAdding = false,
  sessionDestination,
  selected = false,
  onToggleSelect,
  showCheckbox = false,
  confidence,
}) {
  const [menuOpen, setMenuOpen] = useState(false);
  const menuRef = useRef(null);

  const resolvedConfidence = confidence ?? card.confidence;
  const confidencePct = confidencePercent(resolvedConfidence);
  const destinationLabel = card.processedAction
    ? formatProcessedDestination(card.processedAction)
    : sessionDestination?.label ?? VOCAB.MY_COLLECTION;

  useEffect(() => {
    if (!menuOpen) return undefined;

    const handlePointerDown = (event) => {
      if (menuRef.current && !menuRef.current.contains(event.target)) {
        setMenuOpen(false);
      }
    };

    document.addEventListener('mousedown', handlePointerDown);
    return () => document.removeEventListener('mousedown', handlePointerDown);
  }, [menuOpen]);

  const checkboxAriaLabel =
    confidencePct != null
      ? `Select ${card.name}, ${confidencePct}% confidence`
      : `Select ${card.name}`;

  return (
    <div
      className={`rounded-xl p-3 mb-3 transition-opacity duration-200 ${card.processed ? 'opacity-60' : ''}`}
      style={{
        backgroundColor: 'var(--bg-secondary)',
        border: '1px solid var(--border)',
        borderLeft: !card.processed && !showCheckbox ? '3px solid var(--accent-ember)' : undefined,
      }}
    >
      <div className="flex gap-3">
        {showCheckbox && !card.processed && (
          <label
            className="flex-shrink-0 flex items-center justify-center"
            style={{ minWidth: 44, minHeight: 44 }}
          >
            <input
              type="checkbox"
              checked={selected}
              onChange={onToggleSelect}
              className="w-5 h-5 rounded"
              style={{ accentColor: 'var(--accent-ember)' }}
              aria-label={checkboxAriaLabel}
            />
          </label>
        )}

        <div
          className="flex-shrink-0 w-10 h-14 rounded-lg overflow-hidden"
          style={{
            boxShadow: showCheckbox
              ? `0 0 0 2px ${confidenceRingColor(confidencePct)}`
              : undefined,
          }}
        >
          {card.image_url ? (
            <img
              src={card.image_url}
              alt={card.name}
              className="w-full h-full object-cover"
              loading="lazy"
            />
          ) : (
            <div
              className="w-full h-full flex items-center justify-center rounded-lg text-xs"
              style={{ backgroundColor: 'var(--bg-tertiary)', color: 'var(--text-secondary)' }}
            >
              <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={1.5} d="M4 16l4.586-4.586a2 2 0 012.828 0L16 16m-2-2l1.586-1.586a2 2 0 012.828 0L20 14m-6-6h.01M6 20h12a2 2 0 002-2V6a2 2 0 00-2-2H6a2 2 0 00-2 2v12a2 2 0 002 2z" />
              </svg>
            </div>
          )}
        </div>

        <div className="flex-1 min-w-0">
          <div className="flex items-start justify-between gap-2">
            <div className="min-w-0">
              <div className="flex items-center gap-2">
                {!showCheckbox && card.processed ? (
                  <svg className="w-4 h-4 flex-shrink-0" style={{ color: 'var(--accent-gold)' }} fill="currentColor" viewBox="0 0 20 20" aria-hidden="true">
                    <path fillRule="evenodd" d="M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z" clipRule="evenodd" />
                  </svg>
                ) : !showCheckbox && !card.processed ? (
                  <span
                    className="w-2 h-2 rounded-full flex-shrink-0"
                    style={{ backgroundColor: 'var(--accent-flame)' }}
                    aria-hidden="true"
                  />
                ) : null}
                <h3
                  className="font-semibold text-sm truncate"
                  style={{ color: 'var(--text-primary)' }}
                >
                  {card.name}
                </h3>
              </div>
              <p className="text-xs mt-0.5 truncate" style={{ color: 'var(--text-secondary)' }}>
                {[card.set, card.cardNumber].filter(Boolean).join(' · ')}
              </p>
              {showCheckbox && confidencePct != null && (
                <p className="text-xs mt-0.5" style={{ color: 'var(--text-secondary)' }}>
                  {confidencePct}% match
                </p>
              )}
            </div>

            {showCheckbox && !card.processed ? (
              <div className="relative flex-shrink-0" ref={menuRef}>
                <button
                  type="button"
                  onClick={() => setMenuOpen((open) => !open)}
                  className="w-8 h-8 flex items-center justify-center rounded-lg transition-colors duration-150 hover:opacity-80"
                  style={{ color: 'var(--text-secondary)', minWidth: 44, minHeight: 44 }}
                  aria-label={`More actions for ${card.name}`}
                  aria-expanded={menuOpen}
                  aria-haspopup="menu"
                >
                  <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 5v.01M12 12v.01M12 19v.01" />
                  </svg>
                </button>
                {menuOpen && (
                  <GlassSurface
                    as="div"
                    role="menu"
                    tint="high"
                    rim="subtle"
                    blur="mid"
                    elevation="ambient"
                    className="absolute right-0 top-full mt-1 z-10 min-w-[10rem] rounded-xl py-1"
                  >
                    <button
                      type="button"
                      role="menuitem"
                      className="w-full px-3 py-2 text-left text-sm hover:opacity-80"
                      style={{ color: 'var(--text-primary)', minHeight: 44 }}
                      onClick={() => {
                        onRemove();
                        setMenuOpen(false);
                      }}
                    >
                      Remove
                    </button>
                    <div className="px-3 py-2" role="none">
                      <label className="text-xs block mb-1" style={{ color: 'var(--text-secondary)' }}>
                        Condition
                      </label>
                      <select
                        value={card.condition || 'NM'}
                        onChange={(e) => onUpdateMetadata({ condition: e.target.value })}
                        className="w-full px-2 py-1.5 rounded-lg text-xs"
                        style={{
                          backgroundColor: 'var(--bg-secondary)',
                          border: '1px solid var(--border)',
                          color: 'var(--text-primary)',
                          minHeight: 44,
                        }}
                        aria-label={`Condition for ${card.name}`}
                      >
                        {CONDITION_OPTIONS.map((opt) => (
                          <option key={opt} value={opt}>{opt}</option>
                        ))}
                      </select>
                    </div>
                    <button
                      type="button"
                      role="menuitem"
                      className="w-full px-3 py-2 text-left text-sm hover:opacity-80"
                      style={{ color: 'var(--text-primary)', minHeight: 44 }}
                      onClick={() => onUpdateMetadata({ isFoil: !card.isFoil })}
                    >
                      {card.isFoil ? 'Mark not foil' : 'Mark foil'}
                    </button>
                  </GlassSurface>
                )}
              </div>
            ) : !card.processed ? (
              <button
                type="button"
                onClick={onRemove}
                className="flex-shrink-0 w-8 h-8 flex items-center justify-center rounded-lg transition-colors duration-150 hover:opacity-80"
                style={{ color: 'var(--text-secondary)' }}
                aria-label={`Remove ${card.name} from scan queue`}
              >
                <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24" aria-hidden="true">
                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" />
                </svg>
              </button>
            ) : null}
          </div>

          {card.processed ? (
            <div className="flex items-center gap-2 mt-2">
              <span className="text-xs" style={{ color: 'var(--text-secondary)' }}>
                Added to {destinationLabel}
              </span>
              {onUndo && (
                <button
                  type="button"
                  onClick={onUndo}
                  className="text-xs font-medium underline transition-opacity duration-150 hover:opacity-70"
                  style={{ color: 'var(--accent-ember)', minHeight: '44px', display: 'inline-flex', alignItems: 'center' }}
                  aria-label={`Undo adding ${card.name}`}
                >
                  Undo
                </button>
              )}
            </div>
          ) : (
            <>
              {!showCheckbox && (
                <p className="text-xs mt-1" style={{ color: 'var(--text-secondary)' }}>
                  {card.condition || 'NM'} · {card.isFoil ? 'Foil' : 'Not Foil'} · Qty: {card.quantity || 1}
                </p>
              )}

              {!showCheckbox && (
                <div className="flex flex-col sm:flex-row gap-2 mt-2">
                  <label className="inline-flex items-center gap-1.5 text-xs" style={{ color: 'var(--text-secondary)' }}>
                    <span className="sr-only">Condition for {card.name}</span>
                    <select
                      value={card.condition || 'NM'}
                      onChange={(e) => onUpdateMetadata({ condition: e.target.value })}
                      className="px-2 py-1.5 rounded-lg text-xs"
                      style={{
                        backgroundColor: 'var(--bg-secondary)',
                        borderColor: 'var(--border)',
                        color: 'var(--text-primary)',
                        border: '1px solid var(--border)',
                        minHeight: '44px',
                      }}
                      aria-label={`Condition for ${card.name}`}
                    >
                      {CONDITION_OPTIONS.map((opt) => (
                        <option key={opt} value={opt}>{opt}</option>
                      ))}
                    </select>
                  </label>

                  <label
                    className="inline-flex items-center gap-1.5 text-xs cursor-pointer"
                    style={{ color: 'var(--text-secondary)', minHeight: '44px' }}
                  >
                    <input
                      type="checkbox"
                      checked={Boolean(card.isFoil)}
                      onChange={(e) => onUpdateMetadata({ isFoil: e.target.checked })}
                      className="w-4 h-4 rounded"
                      style={{ accentColor: 'var(--accent-ember)' }}
                    />
                    <span>Foil</span>
                  </label>
                </div>
              )}

              <div className="inline-flex items-center gap-1 mt-2">
                <button
                  type="button"
                  onClick={onDecrement}
                  disabled={isAdding || (card.quantity || 1) <= 1}
                  className="w-8 h-8 rounded-lg flex items-center justify-center text-sm font-bold transition-opacity duration-150 hover:opacity-80 disabled:opacity-30 disabled:cursor-not-allowed"
                  style={{
                    backgroundColor: 'var(--bg-secondary)',
                    color: 'var(--text-primary)',
                    border: '1px solid var(--border)',
                    minWidth: '44px',
                    minHeight: '44px',
                  }}
                  aria-label={`Decrease quantity of ${card.name}`}
                >
                  −
                </button>
                <span
                  className="min-w-[1.5rem] text-center text-sm font-medium"
                  style={{ color: 'var(--text-primary)' }}
                  aria-live="polite"
                  aria-label={`Quantity: ${card.quantity || 1}`}
                >
                  {card.quantity || 1}
                </span>
                <button
                  type="button"
                  onClick={onIncrement}
                  disabled={isAdding}
                  className="w-8 h-8 rounded-lg flex items-center justify-center text-sm font-bold transition-opacity duration-150 hover:opacity-80 disabled:opacity-30 disabled:cursor-not-allowed"
                  style={{
                    backgroundColor: 'var(--accent-ember)',
                    color: 'var(--text-primary-dark)',
                    minWidth: '44px',
                    minHeight: '44px',
                  }}
                  aria-label={`Increase quantity of ${card.name}`}
                >
                  +
                </button>
              </div>

              {!showCheckbox && collections?.length > 0 && (
                <div className="mt-2">
                  <select
                    value={card.destinationOverride || ''}
                    onChange={(e) => {
                      const val = e.target.value;
                      if (!val) {
                        onUpdateMetadata({ destinationOverride: null });
                      } else {
                        onUpdateMetadata({ destinationOverride: val });
                      }
                    }}
                    className="w-full px-2 py-1.5 rounded-lg text-xs"
                    style={{
                      backgroundColor: 'var(--bg-secondary)',
                      border: '1px solid var(--border)',
                      color: 'var(--text-secondary)',
                      minHeight: '44px',
                    }}
                    aria-label={`Change destination for ${card.name}`}
                  >
                    <option value="">
                      {sessionDestination ? `Default (${sessionDestination.label})` : 'Change destination'}
                    </option>
                    {collections.map((c) => (
                      <option key={`col-${c.id}`} value={`collection:${c.id}`}>
                        {c.name}
                      </option>
                    ))}
                    {decks?.map((d) => (
                      <option key={`deck-${d.id}`} value={`deck:${d.id}`}>
                        {d.name}
                      </option>
                    ))}
                  </select>
                </div>
              )}
            </>
          )}
        </div>
      </div>
    </div>
  );
}