// intelligence → knowledge table
// filter/sort/pagination persisted via url query params
// depends on: app.js, intel-shared.js

let knowledgeOffset = 0;


function syncUrl() {
  const companyId = document.getElementById("i-company").value;
  const type      = document.getElementById("i-type").value;
  const sort      = document.getElementById("i-sort").value;
  queryWrite({
    company_id: companyId,
    type:       type,
    sort:       sort && sort !== "id" ? sort : "",
    offset:     knowledgeOffset > 0 ? knowledgeOffset : "",
  });
}


async function loadKnowledge() {
  const companyId = document.getElementById("i-company").value;
  const type      = document.getElementById("i-type").value;
  const sort      = document.getElementById("i-sort").value;

  const params = new URLSearchParams({ limit: PAGE, offset: knowledgeOffset });
  if (companyId) params.set("company_id", companyId);
  if (type)      params.set("type", type);
  if (sort)      params.set("sort", sort);

  const data = await api(`/admin/api/intelligence/knowledge?${params}`);
  intelRows = data.rows;

  document.getElementById("intel-thead").innerHTML = `
    <tr><th>ID</th><th>Company</th><th>Event</th><th>Type</th><th>Data</th><th>Event date</th></tr>`;

  document.getElementById("intel-tbody").innerHTML = data.rows.map(r => {
    let parsed = {};
    try { parsed = JSON.parse(r.data); } catch (_) {}
    const summary = Object.values(parsed).filter(v => typeof v === "string").join(" · ").slice(0, 120);
    return `<tr style="cursor:pointer" onclick="openIntelDetail(${r.id}, 'knowledge')">
      <td style="color:var(--muted-dark); font-size:12px">${r.id}</td>
      <td style="white-space:nowrap">${escapeHtml(r.company_name)}</td>
      <td style="color:var(--muted-dark); font-size:12px">${r.event_id}</td>
      <td><span class="badge null">${escapeHtml(r.type)}</span></td>
      <td><span class="truncate" style="max-width:360px">${escapeHtml(summary)}</span></td>
      <td style="color:var(--muted-dark); white-space:nowrap; font-size:12px">${r.event_date ? r.event_date.slice(0,10) : "—"}</td>
    </tr>`;
  }).join("");

  const total = data.total;
  document.getElementById("iPageInfo").textContent =
    `${knowledgeOffset + 1}–${Math.min(knowledgeOffset + PAGE, total)} of ${total.toLocaleString()}`;
  document.getElementById("iPrevBtn").disabled = knowledgeOffset === 0;
  document.getElementById("iNextBtn").disabled = knowledgeOffset + PAGE >= total;
}


document.addEventListener("DOMContentLoaded", async () => {
  document.getElementById("iPrevBtn").onclick = () => {
    knowledgeOffset = Math.max(0, knowledgeOffset - PAGE);
    syncUrl();
    loadKnowledge();
  };
  document.getElementById("iNextBtn").onclick = () => {
    knowledgeOffset += PAGE;
    syncUrl();
    loadKnowledge();
  };
  document.getElementById("i-filter-btn").onclick = () => {
    knowledgeOffset = 0;
    syncUrl();
    loadKnowledge();
  };

  const ok = await loadIntelStatsRow();
  if (!ok) return;

  await loadIntelCompanies();

  // restore from url (after dropdown is populated so company_id options exist)
  queryApplyToInputs({
    "i-company": "company_id",
    "i-type":    "type",
    "i-sort":    "sort",
  });
  knowledgeOffset = parseInt(queryGet("offset"), 10) || 0;

  loadKnowledge();
});