/* KA Guardian — dashboard live (style Groupe KA) */
const $ = (s) => document.querySelector(s);
const esc = (s) => String(s ?? "").replace(/[&<>"']/g, (c) => ({ "&": "&amp;", "<": "&lt;", ">": "&gt;", '"': "&quot;", "'": "&#39;" }[c]));
const fmtT = (ts) => new Date(ts * 1000).toLocaleTimeString("fr-CA", { hour12: false });
const fmtD = (ts) => new Date(ts * 1000).toLocaleString("fr-CA", { dateStyle: "short", timeStyle: "short" });
const STATE_FR = { open: "à réparer", dispatched: "envoi…", fixing: "réparation", watching: "surveillance",
  cooldown: "attente", resolved: "résolu", self_healed: "auto-guéri", abandoned: "abandonné" };
const STATUSES = ["ok", "degraded", "broken", "stale"];
const STATUS_FR = { ok: "ok", degraded: "dégradé", broken: "cassé", stale: "endormi", manual: "manuel",
  effort_new: "effort · nouveau connecteur", effort_enrich: "effort · enrichissement" };
const VERDICT_FR = { repare: "réparé", livre: "livré", echec: "échec", site_source_mort: "source morte",
  rien_a_faire: "rien à faire", inconnu: "inconnu", erreur: "erreur" };

let STATE = null;

async function load() {
  const r = await fetch("/api/state");
  STATE = await r.json();
  const id = STATE.identity, num = STATE.agent.replace("ka", "");
  document.documentElement.style.setProperty("--agent", id.accent);
  document.title = `${STATE.agent.toUpperCase()} Guardian — Groupe KA`;
  $("#wm-name").textContent = "ka·" + num;
  $("#foot-name").textContent = "ka·" + num;
  const apps = Object.values(STATE.services).map((s) => s.app);
  $("#hero-label").textContent = `${STATE.agent} — ${id.tagline} · veille sur ${apps.join(", ")}`;
  $("#screen-title").textContent = `${STATE.agent} — flux en temps réel`;
  $("#siblings").innerHTML = Object.entries(STATE.siblings).map(([a, v]) =>
    `<a class="gk-badge" href="https://${v.domain}"><span class="dot" style="background:${v.accent}"></span><b>${a}<span class="ka">·G</span></b></a>`).join(" ");
  $("#foot-sites").innerHTML =
    Object.values(STATE.services).map((s) => `<a href="${s.site}">${esc(s.app)}</a>`).join("") +
    Object.entries(STATE.siblings).map(([a, v]) => `<a href="https://${v.domain}">${a}·guardian</a>`).join("");
  renderTiles(); renderIncidents(); renderCoverage(); renderMissions(); initEffortForm();
}

/* ---- commander un effort ---- */
let effortInit = false;
function initEffortForm() {
  const svcSel = $("#ef-service");
  if (!effortInit) {
    svcSel.innerHTML = Object.entries(STATE.services)
      .map(([k, s]) => `<option value="${k}">${esc(s.app)} — ${esc(s.node_alias)}</option>`).join("");
    $("#ef-token").value = localStorage.getItem("ka_token") || "";
    $("#ef-kind").addEventListener("change", syncEffortKind);
    svcSel.addEventListener("change", fillSources);
    $("#effort-form").addEventListener("submit", submitEffort);
    effortInit = true;
  }
}
function syncEffortKind() {
  const enrich = $("#ef-kind").value === "effort_enrich";
  $("#ef-source-wrap").hidden = !enrich;
  if (enrich) fillSources();
}
async function fillSources() {
  if ($("#ef-kind").value !== "effort_enrich") return;
  const r = await fetch("/api/connectors/" + $("#ef-service").value);
  const d = await r.json();
  $("#ef-source").innerHTML = d.connectors
    .map((c) => `<option value="${esc(c.source)}">${esc(c.source)} (${STATUS_FR[c.status] || c.status})</option>`).join("")
    || `<option value="">— aucun connecteur connu —</option>`;
}
async function submitEffort(e) {
  e.preventDefault();
  const msg = $("#ef-msg"), btn = e.target.querySelector("button");
  const token = $("#ef-token").value.trim();
  if (!token) { msg.className = "cmd-msg err"; msg.textContent = "jeton d'opérateur requis"; return; }
  localStorage.setItem("ka_token", token);
  btn.disabled = true; msg.className = "cmd-msg"; msg.textContent = "lancement…";
  try {
    const r = await fetch("/api/admin/effort", {
      method: "POST", headers: { "Content-Type": "application/json", "X-KA-Token": token },
      body: JSON.stringify({
        kind: $("#ef-kind").value, service: $("#ef-service").value,
        source: $("#ef-source") ? $("#ef-source").value : "", note: $("#ef-note").value,
      }),
    });
    const d = await r.json();
    if (r.ok && d.ok) {
      msg.className = "cmd-msg ok";
      msg.textContent = `effort accepté (incident ${d.incident_id}) — la session démarre d'ici ~5 min, suis le flux ⚡`;
      $("#ef-note").value = "";
      refetch();
    } else {
      msg.className = "cmd-msg err";
      msg.textContent = "refusé: " + (d.detail || r.status);
    }
  } catch (err) {
    msg.className = "cmd-msg err"; msg.textContent = "erreur: " + err;
  } finally { btn.disabled = false; }
}

function renderTiles() {
  const s = STATE.stats, mine = STATE.latest.mine || {};
  let total = 0;
  for (const b of Object.values(mine)) for (const st of STATUSES) total += (b.summary || {})[st] || 0;
  const tiles = [
    [total || "—", "connecteurs sous garde", true],
    [s.n_active ?? 0, "incidents actifs"],
    [s.n_missions ?? 0, "missions lancées"],
    [s.n_resolved ?? 0, "réparations confirmées"],
    [s.n_rollbacks ?? 0, "rollbacks assumés"],
    [s.mttr_h != null ? s.mttr_h + " h" : "—", "temps moyen de guérison"],
    [s.cost_total != null ? s.cost_total + " $" : "0 $", "coût API total"],
  ];
  $("#tiles").innerHTML = tiles.map(([v, l, hot]) =>
    `<div class="tile${hot ? " hot" : ""}"><div class="v">${esc(v)}</div><div class="l">${l}</div></div>`).join("");
}

function renderIncidents() {
  const active = STATE.incidents.filter((i) => !["resolved", "self_healed"].includes(i.state)).slice(0, 12);
  const recent = STATE.incidents.filter((i) => ["resolved", "self_healed"].includes(i.state)).slice(0, 5);
  const row = (i) => `<div class="inc">
    <div><div class="src">${esc(i.source)}</div><div class="svc">${esc(i.service)} · ${esc(STATUS_FR[i.status_detected] || i.status_detected)} · ${i.attempts} tentative${i.attempts > 1 ? "s" : ""}</div></div>
    <span class="badge b-${esc(i.state)}">${STATE_FR[i.state] || esc(i.state)}</span></div>`;
  $("#incidents").innerHTML = (active.length || recent.length)
    ? active.map(row).join("") + recent.map(row).join("")
    : `<div class="empty">Aucun incident — tous les connecteurs sous garde sont sains. Le gardien veille.</div>`;
}

function renderCoverage() {
  const mine = STATE.latest.mine || {};
  $("#coverage").innerHTML = Object.keys(STATE.services).map((svc) => {
    const meta = STATE.services[svc], sum = (mine[svc] || {}).summary || {};
    const total = STATUSES.reduce((a, st) => a + (sum[st] || 0), 0);
    const strip = STATUSES.filter((st) => sum[st] > 0)
      .map((st) => `<span class="s-${st}" style="flex:${sum[st]}" title="${STATUS_FR[st]}: ${sum[st]}"></span>`).join("");
    const counts = STATUSES.map((st) => `<span><i class="s-${st}"></i>${sum[st] || 0} ${STATUS_FR[st]}</span>`).join("");
    return `<div class="cov"><div class="head"><span class="app">${esc(meta.app)}</span>
      <span class="node">${esc(meta.node_alias)} · ${total || "?"} connecteurs</span></div>
      <div class="strip">${strip || "<span style='flex:1;background:var(--line)'></span>"}</div>
      <div class="counts">${counts}</div></div>`;
  }).join("");
}

function renderMissions() {
  const vd = (m) => {
    if (m.state === "running") return `<span class="vbadge v-running">en cours…</span>`;
    if (m.state === "error") return `<span class="vbadge v-erreur">erreur</span>`;
    const v = (JSON.parse(m.verdict || "{}").verdict) || "inconnu";
    return `<span class="vbadge v-${esc(v)}">${VERDICT_FR[v] || esc(v)}</span>`;
  };
  $("#missions tbody").innerHTML = STATE.missions.map((m) => {
    const commits = JSON.parse(m.commits || "[]").length;
    const dur = m.ended ? Math.round((m.ended - m.started) / 60) + " min" : "—";
    return `<tr data-id="${esc(m.id)}"><td class="mono">${fmtD(m.started)}</td>
      <td class="mono"><b>${esc(m.source)}</b></td><td>${esc((STATE.services[m.service] || {}).app || m.service)}</td>
      <td class="mono">${esc(m.node)}</td><td>${vd(m)}</td><td class="mono">${commits || "—"}</td>
      <td class="mono">${m.num_turns ? m.num_turns + " tours · " : ""}${dur}</td>
      <td class="mono">${m.cost_usd != null ? m.cost_usd.toFixed(2) + " $" : ""}</td></tr>`;
  }).join("") || `<tr><td colspan="8" class="empty" style="padding:18px">Aucune mission encore — la première panne détectée lancera le gardien.</td></tr>`;
}

/* ---- flux en direct ---- */
const feed = $("#feed");
function feedLine(cls, tag, msg, ts) {
  if (feed.querySelector(".feed-empty")) feed.innerHTML = "";
  const el = document.createElement("div");
  el.className = "fe " + cls;
  el.innerHTML = `<span class="t">${fmtT(ts || Date.now() / 1000)}</span><span class="tag">${esc(tag)}</span><span class="m">${esc(msg)}</span>`;
  feed.appendChild(el);
  while (feed.children.length > 400) feed.removeChild(feed.firstChild);
  feed.scrollTop = feed.scrollHeight;
}

let refetchTimer = null;
const refetch = () => { clearTimeout(refetchTimer); refetchTimer = setTimeout(load, 800); };

function connectSSE() {
  const es = new EventSource("/events");
  es.onopen = () => $("#live-dot").classList.add("on");
  es.onerror = () => $("#live-dot").classList.remove("on");
  es.onmessage = (e) => {
    const m = JSON.parse(e.data);
    if (m.kind === "mission_event") {
      const d = m.data || {};
      if (m.type === "start") feedLine("tool", "mission", `démarrage — commit de base ${(d.base_commit || "").slice(0, 8)} sur ${d.node || ""}`, m.ts);
      else if (m.type === "tool") feedLine("tool", d.name || "outil", d.input || "", m.ts);
      else if (m.type === "text") feedLine("text", "agent", d.text || "", m.ts);
      else if (m.type === "result") feedLine("text", "résultat", (d.result || "").slice(0, 600), m.ts);
      else if (m.type === "final") { feedLine("text", "verdict", JSON.stringify(d.verdict || {}), m.ts); refetch(); }
      else if (m.type === "error") { feedLine("rollback", "erreur", d.error || "", m.ts); refetch(); }
      else if (m.type === "rollback") feedLine("rollback", "rollback", JSON.stringify(d), m.ts);
    } else if (m.kind === "incident") {
      feedLine("incident", "incident", `${m.service}/${m.source} → ${STATE_FR[m.state] || m.state}${m.note ? " — " + m.note : ""}`, m.ts);
      refetch();
    } else if (m.kind === "rollback") {
      feedLine("rollback", "rollback", `${m.service}/${m.source} — ${m.reason} (${(m.result || {}).mode || "?"})`, m.ts);
      refetch();
    } else if (m.kind === "mission") {
      feedLine("tool", "mission", `nouvelle mission sur ${m.service}/${m.source}`, m.ts);
      refetch();
    } else if (m.kind === "snapshot") {
      if (STATE) { STATE.latest.mine = Object.fromEntries(Object.entries(m.mine).map(([s, sum]) => [s, { summary: sum }])); renderCoverage(); renderTiles(); }
    } else if (m.kind === "log") {
      feedLine("incident", m.level || "log", m.msg, m.ts);
    }
  };
}

/* ---- modal mission ---- */
document.addEventListener("click", async (e) => {
  const tr = e.target.closest("#missions tbody tr[data-id]");
  if (tr) {
    const r = await fetch("/api/missions/" + tr.dataset.id);
    const { mission, events } = await r.json();
    const v = JSON.parse(mission.verdict || "{}");
    $("#modal-title").textContent = `Mission ${mission.id} — ${mission.source} (${mission.service})`;
    $("#modal-body").innerHTML =
      `<div class="meta"><b>verdict:</b> ${esc(VERDICT_FR[v.verdict] || v.verdict || mission.state)}\n<b>diagnostic:</b> ${esc(v.diagnostic || "")}\n<b>actions:</b> ${esc(v.actions || "")}\n<b>test:</b> ${esc(v.test || "")}\n<b>commit de base:</b> ${esc(mission.base_commit || "")}\n<b>commits:</b> ${esc((JSON.parse(mission.commits || "[]")).join(" | ") || "aucun")}</div>` +
      events.map((ev) => {
        const d = JSON.parse(ev.data || "{}");
        const txt = ev.type === "tool" ? `${d.name}: ${d.input}` : ev.type === "text" ? d.text
          : ev.type === "result" ? d.result : JSON.stringify(d);
        return `<div class="meta"><b>${fmtT(ev.ts)} · ${esc(ev.type)}</b>\n${esc((txt || "").slice(0, 2500))}</div>`;
      }).join("");
    $("#modal").hidden = false;
  }
  if (e.target.id === "modal-close" || e.target.id === "modal") $("#modal").hidden = true;
});

load().then(connectSSE);
setInterval(load, 60000);