/**
 * MGT2 – Commandes /sector et /subsector
 *
 * Ouvre l'application interactive SectorMapApp (IFRAME Traveller Map).
 * Compatible Foundry VTT v13 et v14
 */

import { SectorMapApp } from './SectorMapApp.js';
import { postWorldCardToChat } from './worldCard.js';
import { CommerceDialog } from './CommerceDialog.js';

const MODULE_ID = 'mgt2-compendium-amiral-denisov';
const ChatLogV2 = foundry.applications?.sidebar?.tabs?.ChatLog;

let _pendingHandle = false;

/* ───── Fonctions partagées ───── */

async function openMap(sector, subsector) {
  const app = new SectorMapApp(sector, subsector);
  await app.render({ force: true });
}

async function handleSectorCommand(sector, subsector) {
  if (_pendingHandle) return;
  _pendingHandle = true;
  try {
    if (!game.user?.isGM) {
      ui.notifications.error('Seul le MJ peut utiliser cette commande');
      return;
    }
    await openMap(sector?.trim());
  } catch (err) {
    console.error(`${MODULE_ID} | Erreur /sector :`, err);
    ui.notifications.error(`Erreur : ${err.message}`);
  } finally {
    _pendingHandle = false;
  }
}

async function handleSystemCommand(sector, hex) {
  if (!sector || !hex) {
    ui.notifications.warn('Usage : /system <secteur> <hex> (ex: /system "Spinward Marches" 1910)');
    return;
  }
  await postWorldCardToChat(sector, hex);
}

async function handleSubsectorCommand(raw) {
  if (_pendingHandle) return;
  _pendingHandle = true;
  try {
    const parts = raw?.trim().split(/\s+/);
    if (!parts || parts.length < 2) {
      ui.notifications.warn('Usage : /subsector <secteur> <sous-secteur> (ex: /subsector "Spinward Marches" C)');
      return;
    }
    const sub = parts.pop();
    const sector = parts.join(' ');
    if (!sector || !sub) {
      ui.notifications.warn('Usage : /subsector <secteur> <sous-secteur>');
      return;
    }
    if (!game.user?.isGM) {
      ui.notifications.error('Seul le MJ peut utiliser cette commande');
      return;
    }
    await openMap(sector.trim(), sub.trim());
  } catch (err) {
    console.error(`${MODULE_ID} | Erreur /subsector :`, err);
    ui.notifications.error(`Erreur : ${err.message}`);
  } finally {
    _pendingHandle = false;
  }
}

/* ───── Commande /sector ───── */

if (ChatLogV2?.CHAT_COMMANDS) {
  ChatLogV2.CHAT_COMMANDS['sector'] = {
    rgx: /^\/sector(?:\s+(.*))?$/i,
    fn: function() {
      const raw = arguments[1]?.[1]?.trim?.();
      handleSectorCommand(raw || undefined);
      return false;
    },
  };
  console.log(`${MODULE_ID} | Commande /sector enregistrée`);

  ChatLogV2.CHAT_COMMANDS['subsector'] = {
    rgx: /^\/subsector(?:\s+(.*))?$/i,
    fn: function() {
      const raw = arguments[1]?.[1]?.trim?.();
      if (raw) {
        handleSubsectorCommand(raw);
        return false;
      }
      return true;
    },
  };
  console.log(`${MODULE_ID} | Commande /subsector enregistrée`);

  ChatLogV2.CHAT_COMMANDS['system'] = {
    rgx: /^\/system\s+(.+?)\s+(\d{4})\s*$/i,
    fn: function() {
      const sector = arguments[1]?.[1]?.trim?.();
      const hex = arguments[1]?.[2]?.trim?.();
      if (sector && hex) {
        handleSystemCommand(sector, hex);
        return false;
      }
      return true;
    },
  };
  console.log(`${MODULE_ID} | Commande /system enregistrée`);
}

/* ───── Hooks de secours (v13 / fallback v14) ───── */

Hooks.on('preCreateChatMessage', (message, data, options) => {
  const c = message.content?.trim();

  let m = c?.match(/^\/sector(?:\s+(.*))?$/i);
  if (m) {
    handleSectorCommand(m[1]?.trim());
    return false;
  }

  m = c?.match(/^\/subsector(?:\s+(.*))?$/i);
  if (m) {
    handleSubsectorCommand(m[1]?.trim());
    return false;
  }

  m = c?.match(/^\/system\s+(.+?)\s+(\d{4})\s*$/i);
  if (m) {
    handleSystemCommand(m[1]?.trim(), m[2]?.trim());
    return false;
  }
});

/* ───── Socket (synchronisation MJ → joueurs) ───── */

Hooks.once('ready', () => {
  game.socket.on(`module.${MODULE_ID}`, (data) => {
    if (data?.type !== 'sectorMapSync') return;
    if (game.user?.isGM) return;
    openMap(data.sector, data.subsector);
  });

  // Clics sur les liens de monde dans les journals de trajet
  document.addEventListener('click', (event) => {
    const link = event.target.closest('.mgt2-world-link');
    if (!link) return;
    event.preventDefault();
    const sector = link.dataset.sector;
    const hex = link.dataset.hex;
    if (sector && hex) {
      handleSystemCommand(sector, hex);
    }
  });

  // Clics sur le bouton Commerce dans les cartes de monde
  document.addEventListener('click', (event) => {
    const btn = event.target.closest('.mgt2-world-commerce');
    if (!btn) return;
    event.preventDefault();
    const uwp = btn.dataset.uwp;
    const zone = btn.dataset.zone;
    const name = btn.dataset.name;
    const sector = btn.dataset.sector;
    const hex = btn.dataset.hex;
    if (uwp) {
      const existing = Object.values(ui.windows).find(w => w.id === 'mgt2-commerce');
      if (existing) { existing.bringToTop(); return; }
      const dialog = new CommerceDialog({
        defaultWorld: { uwp, zone, name, sector, hex },
        initialTab: 'trade',
      });
      dialog.render({ force: true });
    }
  });
});

Hooks.on('chatMessage', (...args) => {
  let msg;
  if (args[0]?.content !== undefined) msg = args[0].content;
  else if (typeof args[1] === 'string') msg = args[1];
  else return;

  let m = msg?.trim()?.match(/^\/sector(?:\s+(.*))?$/i);
  if (m) {
    handleSectorCommand(m[1]?.trim());
    return false;
  }

  m = msg?.trim()?.match(/^\/subsector(?:\s+(.*))?$/i);
  if (m) {
    handleSubsectorCommand(m[1]?.trim());
    return false;
  }

  m = msg?.trim()?.match(/^\/system\s+(.+?)\s+(\d{4})\s*$/i);
  if (m) {
    handleSystemCommand(m[1]?.trim(), m[2]?.trim());
    return false;
  }
});