// controls.js - Zoom, rotate and toggle controls

import { CONFIG, EARTH_CONFIG } from "./constants.js";
import { updateZoomDisplay, showStatusMessage } from "./ui.js";
import { toggleTerrain } from "./earth.js";
import {
  reloadData,
  clearLockedObject,
  clearLockedObjectAndInfo,
  setCablesEnabled,
  setSatellitesEnabled,
} from "./main.js";
import {
  toggleTrails,
  getShowSatellites,
  getSatelliteCount,
} from "./satellites.js";
import { getShowCables } from "./cables.js";
import { toggleBGP, getShowBGP, getBGPCount } from "./bgp.js";
import { ensureTVPanelReady } from "./tv.js";
import {
  ensureNewsPanelReady,
  setNewsPanelVisible,
  updateNewsToggleUI,
} from "./news.js";

export let autoRotate = true;
export let zoomLevel = 1.0;
export let showTerrain = false;
export let layoutExpanded = false;

let earthObj = null;
let listeners = [];
let cleanupFns = [];
const HUD_PANEL_IDS = [
  "legend",
  "earth-stats",
  "tv-panel",
  "news-panel",
  "layer-toggles",
];
const DRAGGABLE_PANEL_SELECTOR = ".hud-panel-draggable";
const PANEL_LAYOUT_ANIMATION_MS = 420;

function getFloatingGroups() {
  return [
    document.getElementById("zoom-control-group"),
  ].filter(Boolean);
}

function isFloatingMenuVisible() {
  return getFloatingGroups().some((group) => {
    return (
      group.classList.contains("open") ||
      group.matches(":hover") ||
      group.matches(":focus-within")
    );
  });
}

function isSettingsModalOpen() {
  return document
    .getElementById("settings-modal")
    ?.classList.contains("is-open");
}

function closeFloatingMenus() {
  getFloatingGroups().forEach((group) => {
    group.classList.remove("open");
    group.classList.add("force-closed");
  });

  if (document.activeElement instanceof HTMLElement) {
    document.activeElement.blur();
  }
}

function openSettingsModal() {
  const modal = document.getElementById("settings-modal");
  if (!modal) return;
  closeFloatingMenus();
  modal.classList.add("is-open");
  modal.setAttribute("aria-hidden", "false");
}

function closeSettingsModal() {
  const modal = document.getElementById("settings-modal");
  if (!modal) return;
  modal.classList.remove("is-open");
  modal.setAttribute("aria-hidden", "true");
}

function setHudPanelVisibility(panelId, visible) {
  const panel = document.getElementById(panelId);
  if (!panel) return;
  panel.classList.toggle("hud-panel-hidden", !visible);
  syncSettingsToggle(panelId, visible);
  if (panelId === "tv-panel") {
    updateTVToggleUI(visible);
    if (visible) {
      ensureTVPanelReady().catch((error) => {
        console.error("初始化电视直播面板失败:", error);
      });
    }
  }
  if (panelId === "news-panel") {
    updateNewsToggleUI(visible);
    if (visible) {
      ensureNewsPanelReady().catch((error) => {
        console.error("初始化态势新闻面板失败:", error);
      });
    }
  }
}

function syncSettingsToggle(panelId, visible) {
  const input = document.querySelector(
    `[data-settings-panel="${panelId}"]`,
  );
  if (input instanceof HTMLInputElement) {
    input.checked = visible;
  }
}

function syncAllHudPanelToggles() {
  HUD_PANEL_IDS.forEach((panelId) => {
    const panel = document.getElementById(panelId);
    syncSettingsToggle(panelId, !panel?.classList.contains("hud-panel-hidden"));
  });
}

function setupSettingsControls() {
  const settingsTrigger = document.getElementById("settings-trigger");
  const settingsClose = document.getElementById("settings-close");
  const settingsBackdrop = document.getElementById("settings-backdrop");
  const settingsModal = document.getElementById("settings-modal");

  bindListener(settingsTrigger, "click", () => {
    openSettingsModal();
  });

  bindListener(settingsClose, "click", () => {
    closeSettingsModal();
  });

  bindListener(settingsBackdrop, "click", () => {
    closeSettingsModal();
  });

  bindListener(settingsModal, "click", (event) => {
    const sheet = event.target.closest(".earth-settings-sheet");
    if (!sheet) {
      closeSettingsModal();
    }
  });

  const toggleInputs = document.querySelectorAll("[data-settings-panel]");
  toggleInputs.forEach((input) => {
    bindListener(input, "change", (event) => {
      const target = event.currentTarget;
      if (!(target instanceof HTMLInputElement)) return;
      const panelId = target.dataset.settingsPanel;
      if (!panelId) return;
      setHudPanelVisibility(panelId, target.checked);
    });
  });

  syncAllHudPanelToggles();
}

function setupHudPanelControls() {
  const closeButtons = document.querySelectorAll("[data-close-panel]");
  closeButtons.forEach((button) => {
    bindListener(button, "click", (event) => {
      event.stopPropagation();
      const target = event.currentTarget;
      if (!(target instanceof HTMLElement)) return;
      const panelId = target.dataset.closePanel;
      if (!panelId) return;
      setHudPanelVisibility(panelId, false);
    });
  });
}

function setupDraggableHudPanels() {
  const app = document.getElementById("container");
  const draggablePanels = document.querySelectorAll(DRAGGABLE_PANEL_SELECTOR);
  if (!app || draggablePanels.length === 0) return;

  draggablePanels.forEach((panel) => {
    const handle = panel.dataset.dragSelf === "true"
      ? panel
      : panel.querySelector(".hud-panel-drag-handle");
    if (!handle) return;

    let isDragging = false;
    let startPointerX = 0;
    let startPointerY = 0;
    let startLeft = 0;
    let startTop = 0;

    const stopDragging = () => {
      isDragging = false;
      panel.classList.remove("is-dragging");
      document.body.style.userSelect = "";
    };

    const onMove = (event) => {
      if (!isDragging) return;
      const appRect = app.getBoundingClientRect();
      const panelRect = panel.getBoundingClientRect();
      const brandPanel = document.getElementById("brand-panel");
      const brandRect = brandPanel ? brandPanel.getBoundingClientRect() : null;
      const brandBottom = brandRect ? brandRect.bottom - appRect.top : 0;
      const brandRight = brandRect ? brandRect.right - appRect.left : 0;

      let nextLeft = Math.min(
        Math.max(startLeft + (event.clientX - startPointerX), 0),
        appRect.width - panelRect.width,
      );
      let nextTop = Math.min(
        Math.max(startTop + (event.clientY - startPointerY), 0),
        appRect.height - panelRect.height,
      );
      // Brand 面板形成 L 形禁区：panel 不能进入 brand 左上角矩形区域。
      // 当两个轴同时越界时，比较两侧超出量——哪侧需要的调整量更小就卡哪侧。
      // 从右侧滑入 → leftAdjust 小 → 卡右边；从下方滑入 → topAdjust 小 → 卡底边。
      if (brandRect && nextLeft < brandRight && nextTop < brandBottom) {
        const leftAdjust = brandRight - nextLeft;
        const topAdjust = brandBottom - nextTop;
        if (leftAdjust <= topAdjust) {
          nextLeft = brandRight;
        } else {
          nextTop = brandBottom;
        }
      }

      panel.style.left = `${nextLeft}px`;
      panel.style.top = `${nextTop}px`;
      panel.style.right = "auto";
      panel.style.bottom = "auto";
      panel.style.transform = "none";
      panel.dataset.dragged = "true";
    };

    bindListener(handle, "pointerdown", (event) => {
      if (event.target.closest(".hud-panel-close, .hud-panel__action, .layer-panel-btn, .info-card-close, .tv-panel-select, .tv-panel-player, .tv-panel-edge, .legend-bar-btn, .news-story-card")) return;
      isDragging = true;
      startPointerX = event.clientX;
      startPointerY = event.clientY;
      const appRect = app.getBoundingClientRect();
      const panelRect = panel.getBoundingClientRect();

      // If panel is inside a flow container (not a direct child of app), reparent
      // it so absolute positioning is relative to the app container.
      if (panel.parentElement !== app) {
        panel.dataset.originalParentId = panel.parentElement?.id || "";
        panel.dataset.originalNextSiblingId = panel.nextElementSibling?.id || "";
        const capturedWidth = panelRect.width;
        panel.style.position = "absolute";
        panel.style.width = `${capturedWidth}px`;
        app.appendChild(panel);
      }

      startLeft = panelRect.left - appRect.left;
      startTop = panelRect.top - appRect.top;
      panel.style.left = `${startLeft}px`;
      panel.style.top = `${startTop}px`;
      panel.style.right = "auto";
      panel.style.bottom = "auto";
      panel.style.transform = "none";
      panel.dataset.dragged = "true";
      panel.classList.add("is-dragging");
      document.body.style.userSelect = "none";
      handle.setPointerCapture?.(event.pointerId);
    });

    bindListener(handle, "pointermove", onMove);
    bindListener(handle, "pointerup", stopDragging);
    bindListener(handle, "pointercancel", stopDragging);
    bindListener(handle, "lostpointercapture", stopDragging);
  });
}

function clearForcedFloatingClose() {
  getFloatingGroups().forEach((group) => {
    group.classList.remove("force-closed");
  });
}

function clearForcedFloatingCloseIfPointerOutside() {
  getFloatingGroups().forEach((group) => {
    if (!group.matches(":hover")) {
      group.classList.remove("force-closed");
    }
  });
}

function setFloatingMenuOpen(group, shouldOpen) {
  closeFloatingMenus();
  clearForcedFloatingClose();
  group?.classList.toggle("open", shouldOpen);
}

function setButtonTooltip(button, text) {
  const tooltip = button?.querySelector(".earth-toolbar-tooltip");
  if (tooltip) {
    tooltip.textContent = text;
  }
}

export function updateLayerButtonState(button, isActive) {
  if (!button) return;
  button.classList.toggle("active", isActive);
  button.setAttribute("aria-checked", isActive ? "true" : "false");
  // Legacy badge text (kept for compatibility)
  const state = button.querySelector(".earth-layer-btn__state");
  if (state) {
    state.textContent = isActive ? "ON" : "OFF";
  }
}

function clearSelectionIfHiding(shouldHide) {
  if (shouldHide) {
    clearLockedObject();
  }
}

function bindFloatingMenu(trigger, group) {
  bindListener(trigger, "click", (event) => {
    event.stopPropagation();
    const shouldOpen = !group?.classList.contains("open");
    setFloatingMenuOpen(group, shouldOpen);
  });

  bindListener(group, "click", (event) => {
    event.stopPropagation();
  });
}

function updateTVToggleUI(visible) {
  const btn = document.getElementById("toggle-tv");
  if (!btn) return;
  btn.classList.toggle("active", visible);
  setButtonTooltip(btn, visible ? "关闭新闻直播" : "打开新闻直播");
}

function bindListener(element, eventName, handler, options) {
  if (!element) return;
  element.addEventListener(eventName, handler, options);
  listeners.push(() =>
    element.removeEventListener(eventName, handler, options),
  );
}

function resetCleanup() {
  cleanupFns.forEach((cleanup) => cleanup());
  cleanupFns = [];
  listeners.forEach((cleanup) => cleanup());
  listeners = [];
}

export function setupControls(camera, renderer, scene, earth) {
  resetCleanup();
  earthObj = earth;
  setupZoomControls(camera);
  setupWheelZoom(camera, renderer);
  setupRotateControls(camera, earth);
  setupTerrainControls();
  setupLiquidGlassInteractions();
  setupKeyboardControls();
}

function setupZoomControls(camera) {
  let zoomInterval = null;
  let holdTimeout = null;
  let startTime = 0;
  const HOLD_THRESHOLD = 150;
  const LONG_PRESS_TICK = 50;
  const CLICK_STEP = 10;

  const MIN_PERCENT = CONFIG.minZoom * 100;
  const MAX_PERCENT = CONFIG.maxZoom * 100;

  function doZoomStep(direction) {
    let currentPercent = Math.round(zoomLevel * 100);
    let newPercent =
      direction > 0 ? currentPercent + CLICK_STEP : currentPercent - CLICK_STEP;

    if (newPercent > MAX_PERCENT) newPercent = MAX_PERCENT;
    if (newPercent < MIN_PERCENT) newPercent = MIN_PERCENT;

    zoomLevel = newPercent / 100;
    applyZoom(camera);
  }

  function doContinuousZoom(direction) {
    let currentPercent = Math.round(zoomLevel * 100);
    let newPercent = direction > 0 ? currentPercent + 1 : currentPercent - 1;

    if (newPercent > MAX_PERCENT) newPercent = MAX_PERCENT;
    if (newPercent < MIN_PERCENT) newPercent = MIN_PERCENT;

    zoomLevel = newPercent / 100;
    applyZoom(camera);
  }

  function startContinuousZoom(direction) {
    doContinuousZoom(direction);
    zoomInterval = window.setInterval(() => {
      doContinuousZoom(direction);
    }, LONG_PRESS_TICK);
  }

  function stopZoom() {
    if (zoomInterval) {
      clearInterval(zoomInterval);
      zoomInterval = null;
    }
    if (holdTimeout) {
      clearTimeout(holdTimeout);
      holdTimeout = null;
    }
  }

  function handleMouseDown(direction) {
    startTime = Date.now();
    stopZoom();
    holdTimeout = window.setTimeout(() => {
      startContinuousZoom(direction);
    }, HOLD_THRESHOLD);
  }

  function handleMouseUp(direction) {
    const heldTime = Date.now() - startTime;
    stopZoom();
    if (heldTime < HOLD_THRESHOLD) {
      doZoomStep(direction);
    }
  }

  cleanupFns.push(stopZoom);

  const zoomIn = document.getElementById("zoom-in");
  const zoomOut = document.getElementById("zoom-out");
  const zoomValue = document.getElementById("zoom-value");

  bindListener(zoomIn, "mousedown", () => handleMouseDown(1));
  bindListener(zoomIn, "mouseup", () => handleMouseUp(1));
  bindListener(zoomIn, "mouseleave", stopZoom);
  bindListener(zoomIn, "touchstart", (e) => {
    e.preventDefault();
    handleMouseDown(1);
  });
  bindListener(zoomIn, "touchend", () => handleMouseUp(1));

  bindListener(zoomOut, "mousedown", () => handleMouseDown(-1));
  bindListener(zoomOut, "mouseup", () => handleMouseUp(-1));
  bindListener(zoomOut, "mouseleave", stopZoom);
  bindListener(zoomOut, "touchstart", (e) => {
    e.preventDefault();
    handleMouseDown(-1);
  });
  bindListener(zoomOut, "touchend", () => handleMouseUp(-1));

  bindListener(zoomValue, "click", () => {
    const startZoomVal = zoomLevel;
    const targetZoom = 1.0;
    const startDistance = CONFIG.defaultCameraZ / startZoomVal;
    const targetDistance = CONFIG.defaultCameraZ / targetZoom;

    animateValue(
      0,
      1,
      600,
      (progress) => {
        const ease = 1 - Math.pow(1 - progress, 3);
        zoomLevel = startZoomVal + (targetZoom - startZoomVal) * ease;
        camera.position.z = CONFIG.defaultCameraZ / zoomLevel;
        const distance =
          startDistance + (targetDistance - startDistance) * ease;
        updateZoomDisplay(zoomLevel, distance.toFixed(0));
      },
      () => {
        zoomLevel = 1.0;
        showStatusMessage("缩放已重置到100%", "info");
      },
    );
  });
}

function setupWheelZoom(camera, renderer) {
  bindListener(
    renderer?.domElement,
    "wheel",
    (e) => {
      e.preventDefault();
      if (e.deltaY < 0) {
        zoomLevel = Math.min(zoomLevel + 0.1, CONFIG.maxZoom);
      } else {
        zoomLevel = Math.max(zoomLevel - 0.1, CONFIG.minZoom);
      }
      applyZoom(camera);
    },
    { passive: false },
  );
}

function applyZoom(camera) {
  camera.position.z = CONFIG.defaultCameraZ / zoomLevel;
  const distance = camera.position.z.toFixed(0);
  updateZoomDisplay(zoomLevel, distance);
}

function animateValue(start, end, duration, onUpdate, onComplete) {
  const startTime = performance.now();

  function update(currentTime) {
    const elapsed = currentTime - startTime;
    const progress = Math.min(elapsed / duration, 1);
    const easeProgress = 1 - Math.pow(1 - progress, 3);

    const current = start + (end - start) * easeProgress;
    onUpdate(current);

    if (progress < 1) {
      requestAnimationFrame(update);
    } else if (onComplete) {
      onComplete();
    }
  }

  requestAnimationFrame(update);
}

export function resetView(camera) {
  if (!earthObj) return;

  function animateToView(targetLat, targetLon, targetRotLon) {
    const latRot = (targetLat * Math.PI) / 180;
    const targetRotX =
      EARTH_CONFIG.tiltRad + latRot * EARTH_CONFIG.latCoefficient;
    const targetRotY = -((targetRotLon * Math.PI) / 180);

    const startRotX = earthObj.rotation.x;
    const startRotY = earthObj.rotation.y;
    const startZoom = zoomLevel;
    const targetZoom = 1.0;

    animateValue(
      0,
      1,
      800,
      (progress) => {
        const ease = 1 - Math.pow(1 - progress, 3);
        earthObj.rotation.x = startRotX + (targetRotX - startRotX) * ease;
        earthObj.rotation.y = startRotY + (targetRotY - startRotY) * ease;

        zoomLevel = startZoom + (targetZoom - startZoom) * ease;
        camera.position.z = CONFIG.defaultCameraZ / zoomLevel;
        updateZoomDisplay(zoomLevel, camera.position.z.toFixed(0));
      },
      () => {
        zoomLevel = 1.0;
        showStatusMessage("视角已重置", "info");
      },
    );
  }

  if (navigator.geolocation) {
    navigator.geolocation.getCurrentPosition(
      (pos) =>
        animateToView(
          pos.coords.latitude,
          pos.coords.longitude,
          -pos.coords.longitude,
        ),
      () =>
        animateToView(
          EARTH_CONFIG.chinaLat,
          EARTH_CONFIG.chinaLon,
          EARTH_CONFIG.chinaRotLon,
        ),
      { timeout: 5000, enableHighAccuracy: false },
    );
  } else {
    animateToView(
      EARTH_CONFIG.chinaLat,
      EARTH_CONFIG.chinaLon,
      EARTH_CONFIG.chinaRotLon,
    );
  }

  clearLockedObject();
}

function setupRotateControls(camera) {
  const rotateBtn = document.getElementById("rotate-toggle");
  const resetViewBtn = document.getElementById("reset-view");

  bindListener(rotateBtn, "click", () => {
    const isRotating = toggleAutoRotate();
    showStatusMessage(isRotating ? "自动旋转已开启" : "自动旋转已暂停", "info");
  });

  updateRotateUI();

  bindListener(resetViewBtn, "click", () => {
    resetView(camera);
  });
}

function filterLayerRows(query, emptyStateEl, clearBtn) {
  const rows = document.querySelectorAll("#layer-panel-list .layer-row");
  let visibleCount = 0;
  rows.forEach((row) => {
    const name = (row.dataset.layerName || "").toLowerCase();
    const matches = !query || name.includes(query);
    row.hidden = !matches;
    if (matches) visibleCount++;
  });
  if (emptyStateEl) emptyStateEl.hidden = visibleCount > 0;
  if (clearBtn) clearBtn.hidden = !query;
}

function setupLayerPanel() {
  const panel = document.getElementById("layer-toggles");
  const collapseBtn = document.getElementById("layer-panel-collapse");
  const searchInput = document.getElementById("layer-search-input");
  const searchClear = document.getElementById("layer-search-clear");
  const emptyState = document.getElementById("layer-panel-empty");
  if (!panel) return;

  bindListener(collapseBtn, "click", (e) => {
    e.stopPropagation();
    const isCollapsed = panel.classList.toggle("layer-panel--collapsed");
    collapseBtn.title = isCollapsed ? "展开" : "折叠";
    collapseBtn.setAttribute("aria-label", isCollapsed ? "展开图层列表" : "折叠图层列表");
    const icon = collapseBtn.querySelector(".material-symbols-rounded");
    if (icon) icon.textContent = isCollapsed ? "expand_more" : "expand_less";
  });

  if (searchInput) {
    bindListener(searchInput, "input", () => {
      const query = searchInput.value.trim().toLowerCase();
      filterLayerRows(query, emptyState, searchClear);
    });

    if (searchClear) {
      bindListener(searchClear, "click", () => {
        searchInput.value = "";
        filterLayerRows("", emptyState, searchClear);
        searchInput.focus();
      });
    }
  }
}

function createLayerRow({ id, icon, label, meta, defaultActive }) {
  const row = document.createElement("div");
  row.className = "layer-row";
  row.dataset.layerName = `${label} ${meta || ""}`.trim().toLowerCase();
  row.innerHTML = `
    <span class="material-symbols-rounded layer-row-icon">${icon}</span>
    <div class="layer-row-copy">
      <span class="layer-row-label">${label}</span>
      ${meta ? `<span class="layer-row-meta">${meta}</span>` : ""}
    </div>
    <button id="${id}" class="layer-row-toggle${defaultActive ? " active" : ""}" type="button"
      role="switch" aria-checked="${defaultActive ? "true" : "false"}" title="切换${label}显示">
      <span class="layer-row-toggle-track"></span>
    </button>
  `;
  return row;
}

export function registerLayer({ id, icon, label, meta = "", defaultActive = false, onToggle }) {
  const list = document.getElementById("layer-panel-list");
  if (!list) return;
  if (document.getElementById(id)) return; // avoid duplicates

  const row = createLayerRow({ id, icon, label, meta, defaultActive });
  list.appendChild(row);

  const btn = row.querySelector("button");
  if (btn && typeof onToggle === "function") {
    btn.addEventListener("click", function () {
      const isActive = this.classList.toggle("active");
      this.setAttribute("aria-checked", isActive ? "true" : "false");
      onToggle(isActive);
    });
  }
}

function setupTerrainControls() {
  const container = document.getElementById("container");
  const searchBtn = document.getElementById("search-action");
  const terrainBtn = document.getElementById("toggle-terrain");
  const satellitesBtn = document.getElementById("toggle-satellites");
  const bgpBtn = document.getElementById("toggle-bgp");
  const trailsBtn = document.getElementById("toggle-trails");
  const cablesBtn = document.getElementById("toggle-cables");
  const layoutBtn = document.getElementById("layout-toggle");
  const reloadBtn = document.getElementById("reload-data");
  const zoomGroup = document.getElementById("zoom-control-group");
  const zoomTrigger = document.getElementById("zoom-trigger");
  setupSettingsControls();
  setupHudPanelControls();
  setupDraggableHudPanels();
  setupLayerPanel();

  if (trailsBtn) {
    updateLayerButtonState(trailsBtn, true);
    setButtonTooltip(trailsBtn, "隐藏轨迹");
  }

  bindListener(searchBtn, "click", () => {
    showStatusMessage("搜索功能待开发", "info");
  });

  bindListener(terrainBtn, "click", function () {
    showTerrain = !showTerrain;
    toggleTerrain(showTerrain);
    updateLayerButtonState(this, showTerrain);
    setButtonTooltip(this, showTerrain ? "隐藏地形" : "显示地形");
    const terrainStatus = document.getElementById("terrain-status");
    if (terrainStatus)
      terrainStatus.textContent = showTerrain ? "开启" : "关闭";
    showStatusMessage(showTerrain ? "地形已显示" : "地形已隐藏", "info");
  });

  bindListener(satellitesBtn, "click", async function () {
    const showSats = !getShowSatellites();
    clearSelectionIfHiding(!showSats);
    try {
      await setSatellitesEnabled(showSats);
      if (!showSats) {
        showStatusMessage("卫星已隐藏", "info");
      } else {
        const satelliteCountEl = document.getElementById("satellite-count");
        if (satelliteCountEl) {
          satelliteCountEl.textContent = `${getSatelliteCount()} 颗`;
        }
      }
    } catch (error) {
      console.error("切换卫星显示失败:", error);
    }
  });

  bindListener(bgpBtn, "click", function () {
    const showNextBGP = !getShowBGP();
    clearSelectionIfHiding(!showNextBGP);
    toggleBGP(showNextBGP);
    updateLayerButtonState(this, showNextBGP);
    setButtonTooltip(this, showNextBGP ? "隐藏BGP观测" : "显示BGP观测");
    const bgpCountEl = document.getElementById("bgp-anomaly-count");
    if (bgpCountEl) {
      bgpCountEl.textContent = `${getBGPCount()} 条`;
    }
    showStatusMessage(showNextBGP ? "BGP观测已显示" : "BGP观测已隐藏", "info");
  });

  bindListener(trailsBtn, "click", function () {
    const isActive = this.classList.contains("active");
    const nextShowTrails = !isActive;
    toggleTrails(nextShowTrails);
    updateLayerButtonState(this, nextShowTrails);
    setButtonTooltip(this, nextShowTrails ? "隐藏轨迹" : "显示轨迹");
    showStatusMessage(nextShowTrails ? "轨迹已显示" : "轨迹已隐藏", "info");
  });

  bindListener(cablesBtn, "click", async function () {
    const showNextCables = !getShowCables();
    clearSelectionIfHiding(!showNextCables);
    try {
      await setCablesEnabled(showNextCables);
    } catch (error) {
      console.error("切换线缆显示失败:", error);
    }
  });

  bindListener(reloadBtn, "click", async () => {
    await reloadData();
  });

  bindFloatingMenu(zoomTrigger, zoomGroup);

  bindListener(document, "click", (event) => {
    const openGroups = [zoomGroup].filter((group) =>
      group?.classList.contains("open"),
    );
    if (openGroups.length === 0) return;

    const clickedInsideOpenGroup = openGroups.some((group) =>
      group.contains(event.target),
    );
    if (!clickedInsideOpenGroup) {
      closeFloatingMenus();
    }
  });

  bindListener(document, "mousemove", () => {
    clearForcedFloatingCloseIfPointerOutside();
  });

  bindListener(layoutBtn, "click", () => {
    const expanded = toggleLayoutExpanded(container);
    showStatusMessage(expanded ? "布局已最大化" : "布局已恢复", "info");
  });

  const tvVisible = !document.getElementById("tv-panel")?.classList.contains("hud-panel-hidden");
  updateTVToggleUI(tvVisible);
  if (tvVisible) {
    ensureTVPanelReady().catch((error) => {
      console.error("初始化电视直播面板失败:", error);
    });
  }
  const newsVisible = !document.getElementById("news-panel")?.classList.contains("hud-panel-hidden");
  updateNewsToggleUI(newsVisible);
  setNewsPanelVisible(newsVisible);
  if (newsVisible) {
    ensureNewsPanelReady().catch((error) => {
      console.error("初始化态势新闻面板失败:", error);
    });
  }
  updateLayoutUI(container);
}

function setupKeyboardControls() {
  bindListener(document, "keydown", (event) => {
    if (event.key !== "Escape") return;

    if (isSettingsModalOpen()) {
      closeSettingsModal();
      return;
    }

    if (isFloatingMenuVisible()) {
      closeFloatingMenus();
      return;
    }

    clearLockedObjectAndInfo();
  });
}

function setupLiquidGlassInteractions() {
  const surfaces = document.querySelectorAll(".liquid-glass-surface");

  const resetSurface = (surface) => {
    surface.style.setProperty("--elastic-x", "0px");
    surface.style.setProperty("--elastic-y", "0px");
    surface.style.setProperty("--tilt-x", "0deg");
    surface.style.setProperty("--tilt-y", "0deg");
    surface.style.setProperty("--glow-x", "50%");
    surface.style.setProperty("--glow-y", "22%");
    surface.style.setProperty("--glow-opacity", "0.24");
    surface.classList.remove("is-pressed");
  };

  surfaces.forEach((surface) => {
    resetSurface(surface);

    bindListener(surface, "pointermove", (event) => {
      const rect = surface.getBoundingClientRect();
      const px = (event.clientX - rect.left) / rect.width;
      const py = (event.clientY - rect.top) / rect.height;
      const offsetX = (px - 0.5) * 6;
      const offsetY = (py - 0.5) * 6;
      const tiltX = (0.5 - py) * 8;
      const tiltY = (px - 0.5) * 10;

      surface.style.setProperty("--elastic-x", `${offsetX.toFixed(2)}px`);
      surface.style.setProperty("--elastic-y", `${offsetY.toFixed(2)}px`);
      surface.style.setProperty("--tilt-x", `${tiltX.toFixed(2)}deg`);
      surface.style.setProperty("--tilt-y", `${tiltY.toFixed(2)}deg`);
      surface.style.setProperty("--glow-x", `${(px * 100).toFixed(1)}%`);
      surface.style.setProperty("--glow-y", `${(py * 100).toFixed(1)}%`);
      surface.style.setProperty("--glow-opacity", "0.34");
    });

    bindListener(surface, "pointerenter", () => {
      surface.style.setProperty("--glow-opacity", "0.28");
    });

    bindListener(surface, "pointerleave", () => {
      resetSurface(surface);
    });

    bindListener(surface, "pointerdown", () => {
      surface.classList.add("is-pressed");
    });

    bindListener(surface, "pointerup", () => {
      surface.classList.remove("is-pressed");
    });

    bindListener(surface, "pointercancel", () => {
      resetSurface(surface);
    });
  });
}

export function teardownControls() {
  resetCleanup();
}

export function getAutoRotate() {
  return autoRotate;
}

function updateRotateUI() {
  const btn = document.getElementById("rotate-toggle");
  if (btn) {
    btn.classList.toggle("active", autoRotate);
    btn.classList.toggle("is-stopped", !autoRotate);
    const tooltip = btn.querySelector(".earth-toolbar-tooltip");
    if (tooltip) tooltip.textContent = autoRotate ? "暂停旋转" : "开始旋转";
  }
}

export function setAutoRotate(value) {
  autoRotate = value;
  updateRotateUI();
}

export function toggleAutoRotate() {
  autoRotate = !autoRotate;
  updateRotateUI();
  clearLockedObject();
  return autoRotate;
}

export function getZoomLevel() {
  return zoomLevel;
}

export function getShowTerrain() {
  return showTerrain;
}

function updateLayoutUI(container) {
  if (container) {
    container.classList.toggle("layout-expanded", layoutExpanded);
  }

  const btn = document.getElementById("layout-toggle");
  if (btn) {
    btn.classList.toggle("active", layoutExpanded);
    const tooltip = btn.querySelector(".earth-toolbar-tooltip");
    const nextLabel = layoutExpanded ? "恢复布局" : "最大化布局";
    btn.title = nextLabel;
    if (tooltip) tooltip.textContent = nextLabel;
  }
}

function resetPanelInlineLayout(panel) {
  const originalParentId = panel.dataset.originalParentId;
  if (originalParentId) {
    const originalParent = document.getElementById(originalParentId);
    if (originalParent) {
      const nextId = panel.dataset.originalNextSiblingId;
      const nextSibling = nextId ? document.getElementById(nextId) : null;
      if (nextSibling) {
        originalParent.insertBefore(panel, nextSibling);
      } else {
        originalParent.appendChild(panel);
      }
    }
    delete panel.dataset.originalParentId;
    delete panel.dataset.originalNextSiblingId;
  }
  panel.style.left = "";
  panel.style.top = "";
  panel.style.right = "";
  panel.style.bottom = "";
  panel.style.transform = "";
  panel.style.position = "";
  panel.style.width = "";
  delete panel.dataset.dragged;
}

function isPanelVisible(panel) {
  return !panel.classList.contains("hud-panel-hidden");
}

function animatePanelLayoutTransition(container, expand) {
  const panels = Array.from(
    container.querySelectorAll(DRAGGABLE_PANEL_SELECTOR),
  );
  if (panels.length === 0) {
    layoutExpanded = expand;
    updateLayoutUI(container);
    return expand;
  }

  const visiblePanels = panels.filter(isPanelVisible);
  const firstRects = new Map(
    visiblePanels.map((panel) => [panel, panel.getBoundingClientRect()]),
  );

  panels.forEach((panel) => panel.classList.add("is-layout-animating"));
  layoutExpanded = expand;
  panels.forEach(resetPanelInlineLayout);
  updateLayoutUI(container);

  visiblePanels.forEach((panel) => {
    const firstRect = firstRects.get(panel);
    if (!firstRect) return;

    const lastRect = panel.getBoundingClientRect();
    const deltaX = firstRect.left - lastRect.left;
    const deltaY = firstRect.top - lastRect.top;

    if (Math.abs(deltaX) < 0.5 && Math.abs(deltaY) < 0.5) {
      return;
    }

    panel.animate(
      [
        {
          translate: `${deltaX}px ${deltaY}px`,
        },
        {
          translate: "0 0",
        },
      ],
      {
        duration: PANEL_LAYOUT_ANIMATION_MS,
        easing: "cubic-bezier(0.22, 1, 0.36, 1)",
      },
    );
  });

  window.setTimeout(() => {
    panels.forEach((panel) => panel.classList.remove("is-layout-animating"));
  }, PANEL_LAYOUT_ANIMATION_MS);

  return expand;
}

function toggleLayoutExpanded(container) {
  return animatePanelLayoutTransition(container, !layoutExpanded);
}