/* OGame Spy Auto-Importer — popup
 * Impostazioni piattaforma (IP/porta), toggle cattura/notifiche,
 * verifica connessione e import manuale di fallback.
 */
'use strict';

const SETTINGS_KEY = 'settings';
const DEFAULTS = { host: 'localhost', port: 8899, autoImport: true, notifications: true };

// Forme accettate per l'import manuale (come lato server)
const TOKEN_RE = /^(cr|sr|rr|mr)-[a-z]{2}-\d{1,3}-[0-9a-f]{40}$/i;
const RID_ONLY_RE = /^[0-9a-f]{40}$/i;

const refs = {
  host: document.getElementById('host'),
  port: document.getElementById('port'),
  targetUrl: document.getElementById('targetUrl'),
  btnCheck: document.getElementById('btnCheck'),
  statusDot: document.getElementById('statusDot'),
  statusText: document.getElementById('statusText'),
  autoImport: document.getElementById('autoImport'),
  notifications: document.getElementById('notifications'),
  btnImport: document.getElementById('btnImport'),
  importResult: document.getElementById('importResult'),
  lastImport: document.getElementById('lastImport'),
};

// ---------------------------------------------------------------- utils

function loadSettings() {
  return new Promise((resolve) => {
    chrome.storage.local.get({ [SETTINGS_KEY]: DEFAULTS }, (d) => resolve({ ...DEFAULTS, ...(d[SETTINGS_KEY] || {}) }));
  });
}

function saveSettings(cfg) {
  return new Promise((resolve) => {
    chrome.storage.local.set({ [SETTINGS_KEY]: cfg }, () => resolve());
  });
}

function baseUrl(host, port) {
  return `http://${String(host || '').trim() || 'localhost'}:${port || 8899}`;
}

function setStatus(cls, html) {
  refs.statusDot.className = 'dot ' + cls;
  refs.statusText.innerHTML = html;
}

function renderLast(li) {
  if (!li) {
    refs.lastImport.textContent = 'Nessun import effettuato.';
    return;
  }
  if (li.ok) {
    refs.lastImport.innerHTML = `<span style="color:#6fdc8c">✓</span> ${esc(li.message)}`;
  } else {
    refs.lastImport.innerHTML = `<span style="color:#ff8a80">✗</span> ${esc(li.error)}`;
  }
}

function esc(s) {
  const d = document.createElement('div');
  d.textContent = String(s == null ? '' : s);
  return d.innerHTML;
}

function updateTarget() {
  refs.targetUrl.textContent = `${baseUrl(refs.host.value, refs.port.value)}/api/reports`;
}

// ---------------------------------------------------------------- server check

async function checkServer() {
  const host = refs.host.value.trim();
  const port = refs.port.value.trim();
  setStatus('wait', 'Verifica in corso…');
  try {
    const res = await fetch(`${baseUrl(host, port)}/api/bootstrap`, {
      signal: AbortSignal.timeout(5000),
    });
    const data = await res.json().catch(() => null);
    if (res.ok && data && data.ok) {
      const s = data.server || {};
      const universe = s.number ? `s${s.number}-${s.community || ''}` : (s.domain || '');
      setStatus('ok',
        `Connesso — <b>${esc(s.name || 'piattaforma')}</b>` +
        (universe ? `<small>${esc(universe)} · ${esc(s.galaxies || '?')} galassie</small>` : ''));
      return true;
    }
    setStatus('err', `Risposta del server: ${esc((data && data.error) || 'HTTP ' + res.status)}`);
    return false;
  } catch {
    setStatus('err', `Server non raggiungibile su ${esc(baseUrl(host, port))}.<br><small>Controlla IP/porta e che la piattaforma sia avviata.</small>`);
    return false;
  }
}

// ---------------------------------------------------------------- import dalla clipboard

async function importFromClipboard() {
  let text;
  try {
    text = await navigator.clipboard.readText();
  } catch {
    refs.importResult.className = 'result err';
    refs.importResult.textContent = '✗ Impossibile leggere la clipboard.';
    return;
  }

  const token = text.trim();
  refs.importResult.textContent = '';

  if (!token) {
    refs.importResult.className = 'result err';
    refs.importResult.textContent = 'La clipboard è vuota. Copia un API string da OGame prima.';
    return;
  }
  if (!TOKEN_RE.test(token) && !RID_ONLY_RE.test(token)) {
    refs.importResult.className = 'result err';
    refs.importResult.textContent = 'Formato non riconosciuto. Atteso: sr-ar-170-<40 hex> o solo l\'id.';
    return;
  }

  refs.btnImport.disabled = true;
  refs.btnImport.textContent = 'Importazione…';
  try {
    const r = await chrome.runtime.sendMessage({ type: 'importManual', token });
    if (r && r.ok) {
      refs.importResult.className = 'result ok';
      refs.importResult.textContent = (r.created ? '✓ Importato — ' : '✓ Già presente — ') + (r.message || '');
    } else {
      refs.importResult.className = 'result err';
      refs.importResult.textContent = '✗ ' + ((r && r.error) || 'Errore sconosciuto');
    }
  } catch {
    refs.importResult.className = 'result err';
    refs.importResult.textContent = '✗ Impossibile contattare il background. Ricarica l\'estensione.';
  } finally {
    refs.btnImport.disabled = false;
    refs.btnImport.textContent = 'Importa ora';
  }
}

// ---------------------------------------------------------------- init

async function init() {
  const cfg = await loadSettings();
  refs.host.value = cfg.host;
  refs.port.value = cfg.port;
  refs.autoImport.checked = cfg.autoImport !== false;
  refs.notifications.checked = cfg.notifications !== false;
  updateTarget();

  // ultimo esito import (dal background)
  try {
    const st = await chrome.runtime.sendMessage({ type: 'getState' });
    if (st && st.ok) renderLast(st.lastImport);
  } catch { /* background non attivo: ignora */ }

  // nessuna verifica automatica: la connessione si controlla solo col
  // pulsante "Verifica connessione"
  setStatus('', 'Premi “Verifica connessione” per testare il server');
}

// ---------------------------------------------------------------- eventi

function onHostPortChanged() {
  updateTarget();
  // solo il pulsante "Verifica" interroga il server
  setStatus('', 'Impostazioni salvate — premi “Verifica connessione”');
}

refs.host.addEventListener('change', async () => {
  const cfg = await loadSettings();
  await saveSettings({ ...cfg, host: refs.host.value.trim() || DEFAULTS.host });
  onHostPortChanged();
});

refs.port.addEventListener('change', async () => {
  const cfg = await loadSettings();
  const p = parseInt(refs.port.value, 10);
  refs.port.value = (p >= 1 && p <= 65535) ? p : DEFAULTS.port;
  await saveSettings({ ...cfg, port: refs.port.value });
  onHostPortChanged();
});

refs.autoImport.addEventListener('change', async () => {
  const cfg = await loadSettings();
  await saveSettings({ ...cfg, autoImport: refs.autoImport.checked });
});

refs.notifications.addEventListener('change', async () => {
  const cfg = await loadSettings();
  await saveSettings({ ...cfg, notifications: refs.notifications.checked });
});

refs.btnCheck.addEventListener('click', checkServer);
refs.btnImport.addEventListener('click', importFromClipboard);

// aggiornamento live mentre il popup è aperto (es. import automatico in corso)
chrome.storage.onChanged.addListener((changes, area) => {
  if (area !== 'local' || !changes.lastImport) return;
  renderLast(changes.lastImport.newValue);
});

init();