const MODULE_ID = 'mgt2-compendium-amiral-denisov';
const STARTUP_NOTICE_FLAG = `${MODULE_ID}.startupNoticePosted`;

function isNoticeOwner() {
  if (!game.user?.isGM) return false;
  const activeGM = game.users?.activeGM;
  return !activeGM || activeGM.id === game.user.id;
}

function buildStartupNoticeHtml() {
  return `
    <div style="padding:6px 8px;border-left:4px solid #c9a227;background:#f5f0e8;color:#2c2c3e;line-height:1.45;">
      <strong>MgT2e – outils</strong>
      <span style="color:#6a5422;">·</span>
      <code>/commerce</code> <code>/pnj</code> <code>/rencontre</code> <code>/mission</code>
      <div style="margin-top:2px;font-size:0.92em;color:#6a5422;">
        par <a href="https://www.uberwald.me" target="_blank" rel="noopener noreferrer">LeRatierBretonnien / Uberwald</a>
      </div>
    </div>
  `;
}

Hooks.once('ready', async () => {
  if (!isNoticeOwner()) return;
  if (globalThis[STARTUP_NOTICE_FLAG]) return;

  globalThis[STARTUP_NOTICE_FLAG] = true;

  await ChatMessage.create({
    speaker: {
      alias: 'MgT2e - Compendium Amiral Denisov',
    },
    content: buildStartupNoticeHtml(),
    style: CONST.CHAT_MESSAGE_STYLES.OTHER,
  });
});