interface.js

// interface.js
// ==============================

const currentScriptTag = document.currentScript;

(async function () {
  // 1) Localiser la balise <script> et lire data-config
  let scriptTag = currentScriptTag;

  if (!scriptTag) {
    const scripts = document.getElementsByTagName('script');
    for (let i = 0; i < scripts.length; i++) {
      if (
        scripts[i].src.includes('interface.js') &&
        scripts[i].hasAttribute('data-config')
      ) {
        scriptTag = scripts[i];
        break;
      }
    }
    if (!scriptTag && scripts.length > 0) {
      scriptTag = scripts[scripts.length - 1];
    }
  }

  const configUrl = scriptTag.getAttribute('data-config');
  let config = {};

  if (configUrl) {
    try {
      const response = await fetch(configUrl);
      config = await response.json();
    } catch (error) {
      return;
    }
  } else {
    return;
  }

  // 2) CSS optionnelle
  if (config.css_url) {
    const linkEl = document.createElement('link');
    linkEl.rel = 'stylesheet';
    linkEl.href = config.css_url;
    document.head.appendChild(linkEl);
  }

  // 3) ID d'instance
  const instanceId = Math.random().toString(36).substr(2, 8);

  // 4) Aspect ratio
  const _isIOS    = /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream;
  const _isMobile = _isIOS || /Android/i.test(navigator.userAgent);

  const activeAspectValue = (_isMobile && config['mobile-aspect'])
    ? config['mobile-aspect']
    : config.aspect;

  let aspectPercent = '100%';
  if (activeAspectValue) {
    if (activeAspectValue.includes(':')) {
      const parts = activeAspectValue.split(':');
      const w = parseFloat(parts[0]);
      const h = parseFloat(parts[1]);
      if (!isNaN(w) && !isNaN(h) && w > 0) {
        aspectPercent = (h / w) * 100 + '%';
      }
    } else {
      const aspectValue = parseFloat(activeAspectValue);
      if (!isNaN(aspectValue) && aspectValue > 0) {
        aspectPercent = 100 / aspectValue + '%';
      }
    }
  } else {
    const parentContainer = scriptTag.parentNode;
    const containerWidth  = parentContainer.offsetWidth;
    const containerHeight = parentContainer.offsetHeight;
    if (containerWidth > 0 && containerHeight > 0) {
      aspectPercent = (containerHeight / containerWidth) * 100 + '%';
    }
  }

  // 5) Conteneur widget
  const widgetContainer = document.createElement('div');
  widgetContainer.id = 'ply-widget-container-' + instanceId;
  widgetContainer.classList.add('ply-widget-container');
  widgetContainer.style.height = '0';
  widgetContainer.style.paddingBottom = aspectPercent;
  widgetContainer.setAttribute('data-original-aspect', aspectPercent);

  const tooltipsButtonHTML = config.tooltips_url
    ? `<button id="tooltips-toggle-${instanceId}" class="widget-button tooltips-toggle">⦿</button>`
    : '';

  widgetContainer.innerHTML = `
    <div id="viewer-container-${instanceId}" class="viewer-container">
      <div id="progress-dialog-${instanceId}" class="progress-dialog">
        <progress id="progress-indicator-${instanceId}" max="100" value="0"></progress>
      </div>
      <button id="fullscreen-toggle-${instanceId}" class="widget-button fullscreen-toggle">⇱</button>
      <button id="help-toggle-${instanceId}" class="widget-button help-toggle">?</button>
      <button id="reset-camera-btn-${instanceId}" class="widget-button reset-camera-btn">
        <span class="reset-icon">⟲</span>
      </button>
      ${tooltipsButtonHTML}
      <div id="menu-content-${instanceId}" class="menu-content">
        <span id="help-close-${instanceId}" class="help-close">×</span>
        <div class="help-text"></div>
      </div>
    </div>
  `;

  scriptTag.parentNode.appendChild(widgetContainer);

  // 6) Références DOM
  const viewerContainerElem = document.getElementById('viewer-container-' + instanceId);
  const fullscreenToggle    = document.getElementById('fullscreen-toggle-'  + instanceId);
  const helpToggle          = document.getElementById('help-toggle-'        + instanceId);
  const helpCloseBtn        = document.getElementById('help-close-'         + instanceId);
  const resetCameraBtn      = document.getElementById('reset-camera-btn-'   + instanceId);
  const tooltipsToggleBtn   = document.getElementById('tooltips-toggle-'    + instanceId);
  const menuContent         = document.getElementById('menu-content-'       + instanceId);
  const helpTextDiv         = menuContent.querySelector('.help-text');

  if (config.btnRight === false) {
    viewerContainerElem.classList.add('btn-left');
    fullscreenToggle.style.display = 'none';
    viewerContainerElem.classList.add('no-fullscreen');
  }

  // 7) Aide / textes
  const isIOS    = /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream;
  const isMobile = isIOS || /Android/i.test(navigator.userAgent);

  const tooltipInstruction = config.tooltips_url ? '- ⦿ : annotations.<br>' : '';

  if (isMobile) {
    helpTextDiv.innerHTML =
      '- Déplacement avec deux doigts.<br>' +
      '- Rotation avec un doigt.<br>' +
      '- Zoom en pinçant avec deux doigts.<br>' +
      tooltipInstruction +
      '- ⟲ réinitialisation de la caméra.<br>' +
      '- ⇱ plein écran.<br>';
  } else {
    helpTextDiv.innerHTML =
      '- Rotation avec le clic droit ou maj + ←↑↓→<br>' +
      '- Zoom avec la molette ou ctrl + ↑↓<br>' +
      '- Déplacement avec le clic gauche ou ←↑↓→<br>' +
      tooltipInstruction +
      '- ⟲ réinitialisation de la caméra.<br>' +
      '- ⇱ plein écran.<br>';
  }

  // 8) Sizing dynamique du panneau d'aide
  function setMenuContentMaxSize() {
    if (!isMobile) {
      menuContent.style.maxWidth  = '';
      menuContent.style.maxHeight = '';
      menuContent.style.width     = '';
      menuContent.style.height    = '';
      menuContent.style.overflowY = '';
      menuContent.style.overflowX = '';
      return;
    }
    const vw = viewerContainerElem.offsetWidth;
    const vh = viewerContainerElem.offsetHeight;
    if (vw && vh) {
      menuContent.style.maxWidth  = Math.round(vw * 0.8) + 'px';
      menuContent.style.maxHeight = Math.round(vh * 0.8) + 'px';
      menuContent.style.width     = '';
      menuContent.style.height    = '';
      menuContent.style.overflowY = 'auto';
      menuContent.style.overflowX = 'auto';
    } else {
      menuContent.style.maxWidth  = '80vw';
      menuContent.style.maxHeight = '80vh';
      menuContent.style.overflowY = 'auto';
      menuContent.style.overflowX = 'auto';
    }
  }

  setMenuContentMaxSize();
  window.addEventListener('resize',            setMenuContentMaxSize);
  document.addEventListener('fullscreenchange', setMenuContentMaxSize);
  window.addEventListener('orientationchange', setMenuContentMaxSize);

  // 9) Aide visible par défaut
  menuContent.style.display         = 'none';
  viewerContainerElem.style.display = 'block';

  // ─────────────────────────────────────────────────────────────────────────────
  // 10) Overlay d'annotation
  // ─────────────────────────────────────────────────────────────────────────────

  const annOverlay = document.createElement('div');
  annOverlay.className = 'ann-overlay';

  const annTooltip = document.createElement('div');
  annTooltip.className = 'ann-tooltip';

  const annCloseBtn = document.createElement('button');
  annCloseBtn.className   = 'ann-close-btn-base ann-close-btn';
  annCloseBtn.textContent = '×';
  annCloseBtn.setAttribute('aria-label', 'Fermer');

  const annImgWrap = document.createElement('div');
  annImgWrap.className = 'ann-img-wrap';
  const annImg = document.createElement('img');
  annImg.alt = '';
  annImgWrap.appendChild(annImg);

  const annScroll = document.createElement('div');
  annScroll.className = 'ann-scroll';
  const annTitle = document.createElement('div');
  annTitle.className = 'ann-title';
  const annBody = document.createElement('div');
  annBody.className = 'ann-body';
  annScroll.appendChild(annTitle);
  annScroll.appendChild(annBody);

  // — Footer avec bouton lien —
  const annFooter = document.createElement('div');
  annFooter.className = 'ann-footer';
  annFooter.style.display = 'none'; // caché par défaut, affiché par JS si linkUrl présent

  const annLinkBtn = document.createElement('button');
  annLinkBtn.className = 'ann-link-btn';
  annFooter.appendChild(annLinkBtn);

  annTooltip.appendChild(annCloseBtn);
  annTooltip.appendChild(annImgWrap);
  annTooltip.appendChild(annScroll);
  annTooltip.appendChild(annFooter);
  annOverlay.appendChild(annTooltip);

  // — Lightbox —
  const annLightbox = document.createElement('div');
  annLightbox.className = 'ann-lightbox';

  const annLbWrap = document.createElement('div');
  annLbWrap.className = 'ann-lb-content-wrap';
  const annLbImg = document.createElement('img');
  annLbImg.alt = '';
  const annLbClose = document.createElement('button');
  annLbClose.className   = 'ann-close-btn-base ann-lb-close';
  annLbClose.textContent = '×';
  annLbClose.setAttribute('aria-label', 'Fermer');
  annLbWrap.appendChild(annLbImg);
  annLbWrap.appendChild(annLbClose);
  annLightbox.appendChild(annLbWrap);

  widgetContainer.appendChild(annOverlay);
  widgetContainer.appendChild(annLightbox);

  // ─────────────────────────────────────────────────────────────────────────────
  // 11) Charger viewer.js
  // ─────────────────────────────────────────────────────────────────────────────
  let viewerModule;
  try {
    const viewerUrl = `https://mikafil-sog-viewer.static.hf.space/viewer.js?inst=${instanceId}`;
    viewerModule = await import(viewerUrl);
    await viewerModule.initializeViewer(config, instanceId);
  } catch (err) {
    return;
  }

  // 12) Bouton tooltips : cacher si URL non valide
  if (tooltipsToggleBtn) {
    if (!config.tooltips_url) {
      tooltipsToggleBtn.style.display = 'none';
    } else {
      fetch(config.tooltips_url)
        .then((resp) => { if (!resp.ok) tooltipsToggleBtn.style.display = 'none'; })
        .catch(()    => { tooltipsToggleBtn.style.display = 'none'; });
    }
  }

  // ─────────────────────────────────────────────────────────────────────────────
  // 13) Gestion de l'annotation (tooltip-selected → overlay)
  // ─────────────────────────────────────────────────────────────────────────────

  let currentLinkUrl = '';
  let annIsOpen      = false;

  function hideAnnotation() {
    annIsOpen = false;
    annOverlay.classList.remove('ann-open');
    annLightbox.classList.remove('ann-lb-open');
  }

  function hideHelpPanel() {
    menuContent.style.display = 'none';
  }

  document.addEventListener('tooltip-selected', (evt) => {
    const detail = evt.detail || {};
    console.log('detail reçu :', JSON.stringify(detail));
    const { title, description, imgUrl, linkUrl, linkText } = detail;

    // ── DEBUG ──────────────────────────────────────────────────────────────────
    console.log('[interface.js] tooltip-selected reçu — detail complet :', detail);
    console.log('  linkText :', linkText);
    console.log('  linkUrl  :', linkUrl);
    // ──────────────────────────────────────────────────────────────────────────

    annTitle.textContent = title || '';

    annBody.innerHTML = (description || '')
      .replace(/\\n/g, '<br>')
      .replace(/\n/g, '<br>');

    annScroll.scrollTop = 0;
    currentLinkUrl      = linkUrl || '';

    // Image
    if (imgUrl) {
      annImg.src               = imgUrl;
      annLbImg.src             = imgUrl;
      annImgWrap.style.display = '';
    } else {
      annImg.src               = '';
      annLbImg.src             = '';
      annImgWrap.style.display = 'none';
    }

    // ── Bouton lien ────────────────────────────────────────────────────────────
    if (currentLinkUrl) {
      annLinkBtn.textContent  = linkText || 'En savoir plus';
      annFooter.style.display = 'flex';
      console.log('[interface.js] Footer affiché — bouton :', annLinkBtn.textContent);
    } else {
      annFooter.style.display = 'none';
      console.log('[interface.js] Footer masqué (linkUrl vide ou absent)');
    }
    // ──────────────────────────────────────────────────────────────────────────

    annIsOpen = true;
    annOverlay.classList.add('ann-open');
  });

  // Fermeture annotation
  annCloseBtn.addEventListener('click', (e) => { e.stopPropagation(); hideAnnotation(); });
  annOverlay.addEventListener('click',  (e) => { if (e.target === annOverlay) hideAnnotation(); });

  // Lien externe
  annLinkBtn.addEventListener('click', (e) => {
    e.stopPropagation();
    if (currentLinkUrl) window.open(currentLinkUrl, '_blank');
  });

  // Clic sur image → lightbox
  annImgWrap.addEventListener('click', (e) => {
    e.stopPropagation();
    if (annImg.src) annLightbox.classList.add('ann-lb-open');
  });

  // Fermeture lightbox
  annLbClose.addEventListener('click', (e) => {
    e.stopPropagation();
    annLightbox.classList.remove('ann-lb-open');
  });
  annLightbox.addEventListener('click', (e) => {
    if (e.target === annLightbox || e.target === annLbWrap) {
      annLightbox.classList.remove('ann-lb-open');
    }
  });

  // ── Bloqueurs d'input caméra ──────────────────────────────────────────────
  widgetContainer.addEventListener('wheel', (e) => {
    if (!annIsOpen) return;
    if (annTooltip.contains(e.target) || annLightbox.contains(e.target)) {
      e.stopImmediatePropagation();
      if (!annScroll.contains(e.target)) e.preventDefault();
    }
  }, { capture: true, passive: false });

  widgetContainer.addEventListener('touchmove', (e) => {
    if (!annIsOpen) return;
    const inTooltip  = annTooltip.contains(e.target);
    const lbOpen     = annLightbox.classList.contains('ann-lb-open');
    const inLightbox = lbOpen && annLightbox.contains(e.target);
    if (inTooltip || inLightbox) {
      e.stopImmediatePropagation();
      if (!annScroll.contains(e.target)) e.preventDefault();
    }
  }, { capture: true, passive: false });

  // ─────────────────────────────────────────────────────────────────────────────
  // 14) Fullscreen
  // ─────────────────────────────────────────────────────────────────────────────
  let isFullscreen  = false;
  let savedState    = null;
  let savedParent   = null;
  let savedSibling  = null;

  function getHeightUnit() {
    return (CSS && CSS.supports && CSS.supports('height', '100dvh')) ? '100dvh' : '100vh';
  }

  function saveCurrentState() {
    if (isFullscreen) return;
    const originalAspect = widgetContainer.getAttribute('data-original-aspect') || aspectPercent;
    savedState = {
      widget: {
        position:      widgetContainer.style.position,
        top:           widgetContainer.style.top,
        left:          widgetContainer.style.left,
        width:         widgetContainer.style.width,
        height:        widgetContainer.style.height,
        maxWidth:      widgetContainer.style.maxWidth,
        maxHeight:     widgetContainer.style.maxHeight,
        paddingBottom: widgetContainer.style.paddingBottom || originalAspect,
        margin:        widgetContainer.style.margin
      },
      viewer: {
        borderRadius: viewerContainerElem.style.borderRadius,
        border:       viewerContainerElem.style.border
      }
    };
  }

  function restoreOriginalStyles() {
    if (!savedState) return;
    const aspectToUse = savedState.widget.paddingBottom;

    widgetContainer.style.position      = savedState.widget.position || '';
    widgetContainer.style.top           = savedState.widget.top      || '';
    widgetContainer.style.left          = savedState.widget.left     || '';
    widgetContainer.style.width         = '100%';
    widgetContainer.style.height        = '0';
    widgetContainer.style.maxWidth      = savedState.widget.maxWidth  || '';
    widgetContainer.style.maxHeight     = savedState.widget.maxHeight || '';
    widgetContainer.style.paddingBottom = aspectToUse;
    widgetContainer.style.margin        = savedState.widget.margin   || '';
    widgetContainer.style.zIndex        = '';
    widgetContainer.classList.remove('fake-fullscreen');

    viewerContainerElem.style.position     = 'absolute';
    viewerContainerElem.style.top          = '0';
    viewerContainerElem.style.left         = '0';
    viewerContainerElem.style.right        = '0';
    viewerContainerElem.style.bottom       = '0';
    viewerContainerElem.style.width        = '100%';
    viewerContainerElem.style.height       = '100%';
    viewerContainerElem.style.borderRadius = savedState.viewer.borderRadius || '';
    viewerContainerElem.style.border       = savedState.viewer.border       || '';

    if (savedParent) {
      savedParent.insertBefore(widgetContainer, savedSibling);
      savedParent  = null;
      savedSibling = null;
      document.body.style.overflow = '';
    }

    if (viewerModule.app) {
      viewerModule.app.resizeCanvas(viewerContainerElem.clientWidth, viewerContainerElem.clientHeight);
    }

    if (fullscreenToggle) fullscreenToggle.textContent = '⇱';
    savedState = null;
    setMenuContentMaxSize();
  }

  function applyFullscreenStyles() {
    const h = isIOS ? getHeightUnit() : '100vh';

    widgetContainer.style.position      = 'fixed';
    widgetContainer.style.top           = '0';
    widgetContainer.style.left          = '0';
    widgetContainer.style.width         = '100vw';
    widgetContainer.style.height        = h;
    widgetContainer.style.maxWidth      = '100vw';
    widgetContainer.style.maxHeight     = h;
    widgetContainer.style.paddingBottom = '0';
    widgetContainer.style.margin        = '0';
    widgetContainer.style.zIndex        = '99999';
    widgetContainer.style.border        = 'none';
    widgetContainer.style.borderRadius  = '0';

    viewerContainerElem.style.width        = '100%';
    viewerContainerElem.style.height       = '100%';
    viewerContainerElem.style.borderRadius = '0';
    viewerContainerElem.style.border       = 'none';

    if (viewerModule.app) {
      viewerModule.app.resizeCanvas(window.innerWidth, window.innerHeight);
    }

    if (fullscreenToggle) fullscreenToggle.textContent = '⇲';
    isFullscreen = true;
    setMenuContentMaxSize();
  }

  function enterFullscreen() {
    if (!savedState) saveCurrentState();

    if (isIOS) {
      savedParent  = widgetContainer.parentNode;
      savedSibling = widgetContainer.nextSibling;
      document.body.appendChild(widgetContainer);
      document.body.style.overflow = 'hidden';
      widgetContainer.classList.add('fake-fullscreen');
      applyFullscreenStyles();
    } else if (widgetContainer.requestFullscreen) {
      widgetContainer
        .requestFullscreen()
        .then(applyFullscreenStyles)
        .catch(() => {
          widgetContainer.classList.add('fake-fullscreen');
          applyFullscreenStyles();
        });
    } else {
      widgetContainer.classList.add('fake-fullscreen');
      applyFullscreenStyles();
    }
  }

  function exitFullscreen() {
    if (document.fullscreenElement === widgetContainer && document.exitFullscreen) {
      document.exitFullscreen().catch(() => {});
    }
    widgetContainer.classList.remove('fake-fullscreen');
    restoreOriginalStyles();
    isFullscreen = false;
    if (fullscreenToggle) fullscreenToggle.textContent = '⇱';
    setMenuContentMaxSize();
  }

  fullscreenToggle.addEventListener('click', () => {
    hideAnnotation();
    isFullscreen ? exitFullscreen() : enterFullscreen();
  });

  document.addEventListener('fullscreenchange', () => {
    if (!document.fullscreenElement && isFullscreen) {
      isFullscreen = false;
      restoreOriginalStyles();
      if (fullscreenToggle) fullscreenToggle.textContent = '⇱';
    } else if (document.fullscreenElement === widgetContainer) {
      if (fullscreenToggle) fullscreenToggle.textContent = '⇲';
    }
    setMenuContentMaxSize();
  });

  window.addEventListener('resize', () => {
    if (viewerModule.app) {
      if (isFullscreen) {
        viewerModule.app.resizeCanvas(window.innerWidth, window.innerHeight);
        if (isIOS) {
          const h = getHeightUnit();
          widgetContainer.style.height    = h;
          widgetContainer.style.maxHeight = h;
        }
      } else {
        viewerModule.app.resizeCanvas(viewerContainerElem.clientWidth, viewerContainerElem.clientHeight);
      }
    }
    setMenuContentMaxSize();
  });

  // ─────────────────────────────────────────────────────────────────────────────
  // 15) Boutons d'interface
  // ─────────────────────────────────────────────────────────────────────────────

  helpToggle.addEventListener('click', (e) => {
    hideAnnotation();
    e.stopPropagation();
    if (menuContent.style.display === 'block') {
      menuContent.style.display = 'none';
    } else {
      menuContent.style.display = 'block';
      setMenuContentMaxSize();
    }
  });

  helpCloseBtn.addEventListener('click', hideHelpPanel);

  resetCameraBtn.addEventListener('click', () => {
    hideAnnotation();
    if (viewerModule.resetViewerCamera) viewerModule.resetViewerCamera();
  });

  if (tooltipsToggleBtn) {
    let tooltipsVisible = !!config.showTooltipsDefault;
    tooltipsToggleBtn.style.opacity = tooltipsVisible ? '1' : '0.5';
    tooltipsToggleBtn.addEventListener('click', () => {
      hideAnnotation();
      tooltipsVisible = !tooltipsVisible;
      tooltipsToggleBtn.style.opacity = tooltipsVisible ? '1' : '0.5';
      document.dispatchEvent(new CustomEvent('toggle-tooltips', { detail: { visible: tooltipsVisible } }));
    });
  }

  // 16) Échappement
  document.addEventListener('keydown', (e) => {
    if ((e.key === 'Escape' || e.key === 'Esc') && isFullscreen) exitFullscreen();
  });

  window.addEventListener('resize', () => {
    if (viewerModule.app) {
      if (isFullscreen) {
        viewerModule.app.resizeCanvas(window.innerWidth, window.innerHeight);
      } else {
        viewerModule.app.resizeCanvas(viewerContainerElem.clientWidth, viewerContainerElem.clientHeight);
      }
    }
    setMenuContentMaxSize();
  });

  // 17) Init par défaut
  setTimeout(() => {
    saveCurrentState();
    document.dispatchEvent(
      new CustomEvent('toggle-tooltips', { detail: { visible: !!config.showTooltipsDefault } })
    );
    setMenuContentMaxSize();
  }, 200);
})();