Crea una tarjeta de redes sociales.

_getInitials(name) {
  if (!name) return '';
  return String(name).split(' ').filter(Boolean).map(w => w[0]).join('').toUpperCase().slice(0, 2);
}

_applyData(data) {
  if (!data) return;
  if (data.user !== undefined) {
    this._userName.textContent = data.user;
    this._initials.textContent = this._getInitials(data.user);
  }
  if (data.handle !== undefined) this._handle.textContent = data.handle;
  if (data.text !== undefined) this._text.textContent = data.text;
  if (data.platform !== undefined) this._platform.textContent = data.platform;
}

async load({ data } = {}) {
  this._initDom();
  this._applyData(data);
  return { statusCode: 200 };
}

/**
 * The step a playAction() lands on, exactly as the spec defines it: `goto`
 * wins; otherwise the current step (-1 before the first play) plus `delta`,
 * which defaults to 1. A target at or past stepCount means "go to the end",
 * returned as undefined — so a second play on a one-step graphic takes it off
 * air instead of replaying it.
 */
function resolveTargetStep(currentStep, { goto, delta } = {}, stepCount = 1) {
  const target = Number.isInteger(goto) && goto >= 0
    ? goto
    : (currentStep ?? -1) + (Number.isInteger(delta) ? delta : 1);
  return target >= stepCount ? undefined : Math.max(target, 0);
}

// Each action takes the next revision number. Anything that finishes after a
// newer action has started checks it and backs off, so play → stop → play
// sent without waiting ends on air instead of hidden by the stale stop.
async playAction({ goto, delta, skipAnimation } = {}) {
  this._initDom();
  const target = resolveTargetStep(this._step, { goto, delta });
  if (target === undefined) {
    await this.stopAction({ skipAnimation });
    return { statusCode: 200, currentStep: undefined };
  }
  ++this._rev;
  this._step = target;
  this._root.classList.remove('out');
  if (skipAnimation) {
    this._root.classList.add('instant', 'visible');
    return { statusCode: 200, currentStep: this._step };
  }
  this._root.classList.remove('instant');
  // Force a reflow so the browser registers the starting state.
  void this._root.offsetWidth;
  this._root.classList.add('visible');
  await sleep(700);
  return { statusCode: 200, currentStep: this._step };
}

async stopAction({ skipAnimation } = {}) {
  this._initDom();
  const rev = ++this._rev;
  this._step = undefined;
  if (skipAnimation) {
    this._root.classList.add('instant');
    this._root.classList.remove('visible', 'out');
    return { statusCode: 200 };
  }
  this._root.classList.remove('instant');
  this._root.classList.add('out');
  await sleep(500);
  if (rev === this._rev) this._root.classList.remove('visible', 'out');
  return { statusCode: 200 };
}

/* Reset scoped to the graphic. A bare `*` rule in light DOM would also restyle
 * the renderer's page and every other graphic on it; :where() keeps the
 * specificity at zero, same as the bare selector it replaces. */
:where(.social-card-root, .social-card-root *),
:where(.social-card-root, .social-card-root *)::before,
:where(.social-card-root, .social-card-root *)::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.social {
  position: absolute;
  bottom: 80px;
  right: 48px;
  font-family: 'Inter', system-ui, sans-serif;
  transform: translateX(120%);
  opacity: 0;
  filter: blur(4px);
}

.social.visible {
  transform: translateX(0);
  opacity: 1;
  filter: blur(0);
  transition:
    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.5s ease,
    filter 0.5s ease;
}

.social.out {
  transform: translateX(120%);
  opacity: 0;
  filter: blur(4px);
  transition:
    transform 0.5s cubic-bezier(0.76, 0, 0.24, 1),
    opacity 0.4s ease 0.1s,
    filter 0.4s ease 0.1s;
}

/* Blue accent bar on left */
.social-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, #2563eb 0%, #1d4ed8 100%);
  border-radius: 4px 0 0 4px;
}

.social-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #2563eb;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transform: scale(0.4);
  opacity: 0;
  transition:
    transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) 0.35s,
    opacity 0.4s ease 0.35s;
}

.social.visible .social-avatar {
  transform: scale(1);
  opacity: 1;
}

{
  "$schema": "https://ograf.ebu.io/v1/specification/json-schemas/graphics/schema.json",
  "id": "dev.ograf.tutorial.social-card",
  "version": "1.0.0",
  "name": "Social Media Card",
  "description": "Social post overlay that slides in from the right with an auto-generated avatar from the user's initials. Tutorial from ograf.dev.",
  "author": {
    "name": "ograf.dev",
    "url": "https://ograf.dev"
  },
  "main": "graphic.mjs",
  "stepCount": 1,
  "supportsRealTime": true,
  "supportsNonRealTime": false,
  "thumbnails": [
    {
      "file": "thumbnail.webp",
      "resolution": {
        "width": 1920,
        "height": 1080
      }
    }
  ],
  "schema": {
    "type": "object",
    "properties": {
      "user": {
        "type": "string",
        "title": "User",
        "gddType": "single-line",
        "default": "Jamie Rivera"
      },
      "handle": {
        "type": "string",
        "title": "Handle",
        "gddType": "single-line",
        "default": "@jamie.demo"
      },
      "text": {
        "type": "string",
        "title": "Post",
        "gddType": "multi-line",
        "default": "Just shipped our first OGraf template to production."
      }
    }
  }
}