import {
  forActiveRig,
  isActiveRigDecode
} from "./chunk-S57W63QN.js";
import {
  hostCore,
  hostState
} from "./chunk-KL66PICH.js";

// src/plugins/ais.ts
var aisWindow = window;
var escapeAisHtml = (input) => hostCore.escapeMapHtml(input);
var aisStatus = document.getElementById("ais-status");
var aisMessagesEl = document.getElementById("ais-messages");
var aisFilterInput = document.getElementById("ais-filter");
var aisBarOverlay = document.getElementById("ais-bar-overlay");
var aisChannelSummaryEl = document.getElementById("ais-channel-summary");
var aisVesselCountEl = document.getElementById("ais-vessel-count");
var aisLatestSeenEl = document.getElementById("ais-latest-seen");
var AIS_BAR_WINDOW_MS = 15 * 60 * 1e3;
var AIS_DEFAULT_A_HZ = 161975e3;
var AIS_CHANNEL_SPACING_HZ = 5e4;
var aisFilterText = "";
var aisMessageHistory = [];
function currentAisHistoryRetentionMs() {
  return typeof aisWindow.getDecodeHistoryRetentionMs === "function" ? aisWindow.getDecodeHistoryRetentionMs() : 24 * 60 * 60 * 1e3;
}
function pruneAisMessageHistory() {
  const cutoffMs = Date.now() - currentAisHistoryRetentionMs();
  aisMessageHistory = aisMessageHistory.filter((msg) => (msg._tsMs ?? 0) >= cutoffMs);
}
function scheduleAisUi(key, job) {
  if (typeof aisWindow.trxScheduleUiFrameJob === "function") {
    aisWindow.trxScheduleUiFrameJob(key, job);
    return;
  }
  job();
}
function scheduleAisHistoryRender() {
  scheduleAisUi("ais-history", () => {
    renderAisHistory();
  });
}
function scheduleAisBarUpdate() {
  scheduleAisUi("ais-bar", () => {
    updateAisBar();
  });
}
function formatAisMhz(freqHz) {
  return `${(freqHz / 1e6).toFixed(3)} MHz`;
}
function currentAisChannelPlan() {
  const raw = (document.getElementById("freq")?.value || "").replace(/[^\d]/g, "");
  const aHz = raw ? Number(raw) : AIS_DEFAULT_A_HZ;
  const safeAHz = Number.isFinite(aHz) && aHz > 0 ? aHz : AIS_DEFAULT_A_HZ;
  return {
    aHz: safeAHz,
    bHz: safeAHz + AIS_CHANNEL_SPACING_HZ
  };
}
function aisChannelInfo(channel) {
  const plan = currentAisChannelPlan();
  const ch = (channel ?? "").trim().toUpperCase();
  if (ch === "B") {
    return {
      label: "AIS-B",
      badgeClass: "ais-badge ais-badge-channel-b",
      freqText: formatAisMhz(plan.bHz)
    };
  }
  return {
    label: "AIS-A",
    badgeClass: "ais-badge ais-badge-channel-a",
    freqText: formatAisMhz(plan.aHz)
  };
}
function aisDisplayName(msg) {
  return msg.vessel_name || msg.callsign || `MMSI ${msg.mmsi}`;
}
function aisDisplayNameHtml(msg) {
  const label = escapeAisHtml(aisDisplayName(msg));
  const url = aisWindow.buildAisVesselUrl?.(msg.mmsi) ?? null;
  if (!url) return label;
  return `<a class="title-link" href="${escapeAisHtml(url)}" target="_blank" rel="noopener">${label}</a>`;
}
function aisTypeLabel(type) {
  switch (Number(type)) {
    case 1:
    case 2:
    case 3:
      return "Class A Position";
    case 4:
      return "Base Station";
    case 5:
      return "Static/Voyage";
    case 18:
      return "Class B Position";
    case 19:
      return "Class B Extended";
    case 21:
      return "Aid to Nav";
    case 24:
      return "Class B Static";
    default:
      return `Type ${type ?? "--"}`;
  }
}
function aisAgeText(tsMs) {
  if (typeof tsMs !== "number" || !Number.isFinite(tsMs)) return "just now";
  const deltaMs = Math.max(0, Date.now() - tsMs);
  const seconds = Math.round(deltaMs / 1e3);
  if (seconds < 5) return "just now";
  if (seconds < 60) return `${seconds}s ago`;
  const minutes = Math.round(seconds / 60);
  if (minutes < 60) return `${minutes}m ago`;
  const hours = Math.round(minutes / 60);
  return `${hours}h ago`;
}
function aisMotionText(msg) {
  const parts = [
    msg.sog_knots != null ? `${msg.sog_knots.toFixed(1)} kn` : null,
    msg.cog_deg != null ? `${msg.cog_deg.toFixed(1)}° COG` : null,
    msg.heading_deg != null ? `${msg.heading_deg.toFixed(0)}° HDG` : null
  ].filter(Boolean);
  return parts.join(" · ");
}
function aisRouteText(msg) {
  return [msg.callsign, msg.destination].filter(Boolean).join(" -> ");
}
function aisDistanceText(msg) {
  if (hostState.serverLat == null || hostState.serverLon == null || msg.lat == null || msg.lon == null) {
    return "";
  }
  const distKm = hostCore.haversineKm(hostState.serverLat, hostState.serverLon, msg.lat, msg.lon);
  if (!Number.isFinite(distKm)) return "";
  if (distKm < 1) return `${Math.round(distKm * 1e3)} m from TRX`;
  return `${distKm.toFixed(1)} km from TRX`;
}
function aisLatestByVessel(messages) {
  const byMmsi = /* @__PURE__ */ new Map();
  for (const msg of messages) {
    const key = Number.isFinite(msg.mmsi) ? String(msg.mmsi) : `${msg.channel || "?"}:${msg._tsMs || 0}`;
    if (!byMmsi.has(key)) byMmsi.set(key, msg);
  }
  return Array.from(byMmsi.values());
}
function aisRigMessages() {
  return forActiveRig(aisMessageHistory);
}
function updateAisSummary() {
  const plan = currentAisChannelPlan();
  if (aisChannelSummaryEl) {
    aisChannelSummaryEl.textContent = `A ${formatAisMhz(plan.aHz)} · B ${formatAisMhz(plan.bHz)}`;
  }
  const rigMessages = aisRigMessages();
  const vessels = aisLatestByVessel(rigMessages);
  if (aisVesselCountEl) {
    const count = vessels.length;
    aisVesselCountEl.textContent = `${count} vessel${count === 1 ? "" : "s"}`;
  }
  if (aisLatestSeenEl) {
    const latest = rigMessages[0];
    if (!latest) {
      aisLatestSeenEl.textContent = "No traffic yet";
    } else {
      const channel = aisChannelInfo(latest.channel);
      aisLatestSeenEl.textContent = `${channel.label} ${aisAgeText(latest._tsMs)}`;
    }
  }
}
function aisSummaryText(msg) {
  const parts = [];
  if (msg.lat != null && msg.lon != null) parts.push(`${msg.lat.toFixed(4)}, ${msg.lon.toFixed(4)}`);
  const motion = aisMotionText(msg);
  if (motion) parts.push(motion);
  const route = aisRouteText(msg);
  if (route && parts.length < 2) parts.push(route);
  if (!parts.length) return route || "no position reported";
  return parts.join(" · ");
}
function renderAisRow(msg) {
  const row = document.createElement("details");
  row.className = "ais-message";
  const ts = msg._ts || (/* @__PURE__ */ new Date()).toLocaleTimeString([], {
    hour: "2-digit",
    minute: "2-digit",
    second: "2-digit"
  });
  const name = aisDisplayName(msg);
  const nameHtml = aisDisplayNameHtml(msg);
  const channel = aisChannelInfo(msg.channel);
  const motion = aisMotionText(msg);
  const route = aisRouteText(msg);
  const distance = aisDistanceText(msg);
  const pos = msg.lat != null && msg.lon != null ? `<a class="ais-pos-link" href="javascript:void(0)" data-ais-map="${msg.lat},${msg.lon}">${msg.lat.toFixed(5)}, ${msg.lon.toFixed(5)}</a>` : "";
  const vesselUrl = aisWindow.buildAisVesselUrl?.(msg.mmsi) ?? null;
  row.dataset.filterText = [
    name,
    msg.mmsi,
    msg.channel,
    channel.label,
    msg.vessel_name,
    msg.callsign,
    msg.destination,
    aisTypeLabel(msg.message_type)
  ].filter(Boolean).join(" ").toUpperCase();
  row.innerHTML = `<summary class="decode-line"><span class="ais-time">${escapeAisHtml(ts)}</span><span class="ais-call">${nameHtml}</span><span class="ais-badge ais-badge-type">${escapeAisHtml(aisTypeLabel(msg.message_type))}</span><span class="decode-line-summary">${escapeAisHtml(aisSummaryText(msg))}</span><span class="${channel.badgeClass}">${escapeAisHtml(channel.label)}</span>` + (distance ? `<span class="decode-line-distance">${escapeAisHtml(distance)}</span>` : "") + `</summary><div class="decode-expanded"><div class="decode-expanded-meta"><span>MMSI ${escapeAisHtml(String(msg.mmsi))}</span><span>${escapeAisHtml(channel.freqText)}</span>` + (route ? `<span>${escapeAisHtml(route)}</span>` : "") + (motion ? `<span>${escapeAisHtml(motion)}</span>` : "") + `<span>${escapeAisHtml(aisAgeText(msg._tsMs))}</span>` + (pos ? `<span>${pos}</span>` : "") + `</div><div class="aprs-row-actions">` + (msg.lat != null && msg.lon != null ? `<button class="aprs-inline-btn" type="button" data-ais-map="${msg.lat},${msg.lon}">Map</button>` : "") + (vesselUrl ? `<a class="aprs-inline-btn" href="${escapeAisHtml(vesselUrl)}" target="_blank" rel="noopener">Vessel</a>` : "") + `</div></div>`;
  row.querySelectorAll("[data-ais-map]").forEach((element) => {
    element.addEventListener("click", (event) => {
      event.preventDefault();
      event.stopPropagation();
      const [lat, lon] = (element.dataset.aisMap ?? "").split(",").map(Number);
      if (lat == null || lon == null || !Number.isFinite(lat) || !Number.isFinite(lon)) return;
      aisWindow.navigateToAprsMap?.(lat, lon);
    });
  });
  applyAisFilterToRow(row);
  return row;
}
function applyAisFilterToRow(row) {
  if (!aisFilterText) {
    row.style.display = "";
    return;
  }
  const message = row.dataset.filterText || "";
  row.style.display = message.includes(aisFilterText) ? "" : "none";
}
function updateAisBar() {
  if (!aisBarOverlay) return;
  updateAisSummary();
  const isAis = (document.getElementById("mode")?.value || "").toUpperCase() === "AIS";
  const cutoffMs = Date.now() - AIS_BAR_WINDOW_MS;
  const recent = aisMessageHistory.filter(
    (msg) => (msg._tsMs ?? 0) >= cutoffMs && isActiveRigDecode(msg.rig_id)
  );
  const messages = aisLatestByVessel(recent).slice(0, 8);
  if (!isAis || messages.length === 0) {
    aisBarOverlay.style.display = "none";
    aisBarOverlay.innerHTML = "";
    return;
  }
  let html = `<div class="aprs-bar-header"><span class="aprs-bar-title"><span class="aprs-bar-title-word">AIS</span><span class="aprs-bar-title-word">Live</span></span><span class="aprs-bar-clear-wrap"><span class="aprs-bar-clear" role="button" tabindex="0" onclick="window.clearAisBar()" onkeydown="if(event.key==='Enter'||event.key===' '){event.preventDefault();window.clearAisBar();}" aria-label="Clear AIS overlay">Clear</span></span><span class="aprs-bar-window">Last 15 minutes</span></div>`;
  for (const msg of messages) {
    const ts = msg._ts ? `<span class="aprs-bar-time">${msg._ts}</span>` : "";
    const pin = msg.lat != null && msg.lon != null ? `<button class="aprs-bar-pin" title="${msg.lat.toFixed(4)}, ${msg.lon.toFixed(4)}" onclick="window.navigateToAprsMap(${msg.lat},${msg.lon})">📍</button>` : "";
    const name = `<span class="ais-call">${aisDisplayNameHtml(msg)}</span>`;
    const channel = aisChannelInfo(msg.channel);
    const distance = aisDistanceText(msg);
    const details = [
      `MMSI ${escapeAisHtml(String(msg.mmsi))}`,
      escapeAisHtml(channel.label),
      msg.sog_knots != null ? `${msg.sog_knots.toFixed(1)} kn` : null,
      msg.cog_deg != null ? `${msg.cog_deg.toFixed(1)}°` : null,
      distance ? escapeAisHtml(distance) : null,
      escapeAisHtml(aisAgeText(msg._tsMs))
    ].filter(Boolean).join(" · ");
    html += `<div class="aprs-bar-frame"><div class="aprs-bar-frame-main">${ts}${pin}${name}: ${details}</div></div>`;
  }
  aisBarOverlay.innerHTML = html;
  aisBarOverlay.style.display = "flex";
}
aisWindow.updateAisBar = updateAisBar;
aisWindow.clearAisBar = function() {
  resetAisHistoryView();
};
function resetAisHistoryView() {
  if (aisMessagesEl) aisMessagesEl.innerHTML = "";
  aisMessageHistory = [];
  updateAisBar();
  renderAisHistory();
  aisWindow.clearMapMarkersByType?.("ais");
}
function renderAisHistory() {
  pruneAisMessageHistory();
  if (!aisMessagesEl) {
    updateAisSummary();
    return;
  }
  const fragment = document.createDocumentFragment();
  for (const message of aisRigMessages()) {
    fragment.appendChild(renderAisRow(message));
  }
  aisMessagesEl.replaceChildren(fragment);
  updateAisSummary();
}
function addAisMessage(msg) {
  const tsMs = Number.isFinite(msg.ts_ms) ? Number(msg.ts_ms) : Date.now();
  msg._tsMs = tsMs;
  msg._ts = new Date(tsMs).toLocaleTimeString([], {
    hour: "2-digit",
    minute: "2-digit",
    second: "2-digit"
  });
  aisMessageHistory.unshift(msg);
  pruneAisMessageHistory();
  scheduleAisBarUpdate();
  scheduleAisHistoryRender();
  plotAisMessage(msg);
}
function plotAisMessage(msg) {
  if (msg.lat == null || msg.lon == null || !aisWindow.aisMapAddVessel) return;
  aisWindow.aisMapAddVessel(msg);
}
function normalizeServerAisMessage(msg) {
  return {
    ...msg,
    rig_id: msg.rig_id || null
  };
}
function onServerAisBatch(messages) {
  if (!Array.isArray(messages) || messages.length === 0) return;
  const normalized = [];
  for (const msg of messages) {
    const next = normalizeServerAisMessage(msg);
    if (aisStatus && isActiveRigDecode(next.rig_id)) aisStatus.textContent = "Receiving";
    const tsMs = Number.isFinite(next.ts_ms) ? Number(next.ts_ms) : Date.now();
    next._tsMs = tsMs;
    next._ts = new Date(tsMs).toLocaleTimeString([], {
      hour: "2-digit",
      minute: "2-digit",
      second: "2-digit"
    });
    plotAisMessage(next);
    normalized.push(next);
  }
  normalized.reverse();
  aisMessageHistory = normalized.concat(aisMessageHistory);
  pruneAisMessageHistory();
  scheduleAisBarUpdate();
  scheduleAisHistoryRender();
}
function pruneAisHistoryView() {
  pruneAisMessageHistory();
  updateAisBar();
  renderAisHistory();
}
document.getElementById("settings-clear-ais-history")?.addEventListener("click", () => {
  void (async () => {
    if (!await aisWindow.trxUi.confirm({ title: "Clear AIS history?", message: "All stored AIS messages will be permanently removed.", confirmLabel: "Clear history" })) return;
    try {
      await hostCore.postPath("/clear_ais_decode");
      resetAisHistoryView();
    } catch (e) {
      console.error("AIS history clear failed", e);
    }
  })();
});
if (aisFilterInput) {
  aisFilterInput.addEventListener("input", () => {
    aisFilterText = aisFilterInput.value.trim().toUpperCase();
    renderAisHistory();
  });
}
function onServerAis(msg) {
  const message = normalizeServerAisMessage(msg);
  if (aisStatus && isActiveRigDecode(message.rig_id)) aisStatus.textContent = "Receiving";
  addAisMessage(message);
}
updateAisSummary();
window.trxPluginRuntime.registerDecoder({
  id: "ais",
  onMessage: onServerAis,
  onBatch: onServerAisBatch,
  restore: onServerAisBatch,
  reset: resetAisHistoryView,
  prune: pruneAisHistoryView,
  rerender: () => {
    updateAisBar();
    renderAisHistory();
  },
  // Oldest first, so vessel tracks are rebuilt in the order they happened.
  syncMap: () => {
    for (const entry of [...aisMessageHistory].reverse()) plotAisMessage(entry);
  }
});