// Die "Gesucht"-Leiste oben: zeigt die 3 zu findenden Fuesse und hakt gefundene ab.

const EMOJI_BASE = '/emoji/';

export class Legend {
  constructor(container, counterEl) {
    this.container = container;
    this.counterEl = counterEl;
    this.found = new Set();
    this.total = 0;
  }

  render(targets) {
    this.found.clear();
    this.total = targets.length;
    this.container.innerHTML = '';

    for (const t of targets) {
      const card = document.createElement('div');
      card.className = 'legend-item';
      card.dataset.id = t.id;

      const thumb = document.createElement('div');
      thumb.className = 'legend-thumb';

      if (t.assetUrl) {
        const img = document.createElement('img');
        img.src = t.assetUrl;
        img.alt = t.name || 'Fuss';
        thumb.appendChild(img);
      } else if (t.glyph) {
        // Emoji: Bild aus Set, sonst Textzeichen
        const img = document.createElement('img');
        img.alt = t.name || 'Fuss';
        img.onerror = () => {
          const span = document.createElement('span');
          span.className = 'legend-emoji';
          span.textContent = t.glyph;
          img.replaceWith(span);
        };
        img.src = EMOJI_BASE + t.codepoint + '.png';
        thumb.appendChild(img);
      }

      card.appendChild(thumb);
      this.container.appendChild(card);
    }

    this._updateCounter();
  }

  markFound(id) {
    if (this.found.has(id)) return false;
    this.found.add(id);
    const card = this.container.querySelector(`.legend-item[data-id="${id}"]`);
    if (card) card.classList.add('found');
    this._updateCounter();
    return true;
  }

  allFound() {
    return this.found.size >= this.total && this.total > 0;
  }

  _updateCounter() {
    if (this.counterEl) {
      this.counterEl.textContent = `${this.found.size} / ${this.total}`;
    }
  }
}