import { CONNECTOR_CONFIG, CRUISE_CONFIG } from "./constants.js";

const MOTION_CONNECTOR_READY_TIMEOUT_MS = 1200;
const MOTION_CONNECTOR_DRAW_MS = 420;
const MOTION_PRESENTATION_HIDE_MS = 220;
const MOTION_CARD_ESTIMATED_WIDTH_PX = 300;
const MOTION_CARD_ESTIMATED_HEIGHT_PX = 420;
const MOTION_CARD_SCREEN_MARGIN_PX = 12;
const MOTION_MOBILE_POPUP_ESTIMATED_WIDTH_PX = 220;
const MOTION_MOBILE_POPUP_ESTIMATED_HEIGHT_PX = 68;
const MOTION_MOBILE_POPUP_TOP_RATIO = 0.17;
const MOTION_MOBILE_POPUP_MARGIN_PX = 14;

function getMotionCardScreenCoords() {
  if (document.body.classList.contains("layout-mode-mobile")) {
    const estimatedWidth = Math.min(
      MOTION_MOBILE_POPUP_ESTIMATED_WIDTH_PX,
      window.innerWidth - MOTION_MOBILE_POPUP_MARGIN_PX * 2,
    );
    const safeBottom =
      Number.parseFloat(getComputedStyle(document.documentElement).getPropertyValue("--safe-bottom")) || 0;
    const y = Math.max(
      MOTION_MOBILE_POPUP_MARGIN_PX,
      Math.min(
        window.innerHeight * MOTION_MOBILE_POPUP_TOP_RATIO,
        window.innerHeight -
          safeBottom -
          MOTION_MOBILE_POPUP_ESTIMATED_HEIGHT_PX -
          MOTION_MOBILE_POPUP_MARGIN_PX,
      ),
    );
    return {
      x: Math.max(MOTION_MOBILE_POPUP_MARGIN_PX, window.innerWidth - estimatedWidth - MOTION_MOBILE_POPUP_MARGIN_PX),
      y,
      width: estimatedWidth,
      height: MOTION_MOBILE_POPUP_ESTIMATED_HEIGHT_PX,
      dockSide: "left",
    };
  }

  const hudScale =
    Number.parseFloat(getComputedStyle(document.documentElement).getPropertyValue("--hud-scale")) || 1;
  const width = Math.min(MOTION_CARD_ESTIMATED_WIDTH_PX * hudScale, window.innerWidth - 32);
  const height = Math.min(MOTION_CARD_ESTIMATED_HEIGHT_PX * hudScale, window.innerHeight * 0.7);
  const x = window.innerWidth * CRUISE_CONFIG.cardAnchorXRatio - width * 0.5;
  const y = window.innerHeight * CRUISE_CONFIG.cardAnchorYRatio - height * 0.5;
  return {
    x: Math.min(Math.max(MOTION_CARD_SCREEN_MARGIN_PX, x), window.innerWidth - width - MOTION_CARD_SCREEN_MARGIN_PX),
    y: Math.min(Math.max(MOTION_CARD_SCREEN_MARGIN_PX, y), window.innerHeight - height - MOTION_CARD_SCREEN_MARGIN_PX),
    width,
    height,
  };
}

function getMotionInfoOptions({ reveal = true } = {}) {
  const placement = getMotionCardScreenCoords();
  return {
    x: placement.x,
    y: placement.y,
    absolute: true,
    reveal,
    anchorStable: true,
    dockSide: placement.dockSide,
  };
}

export function createMotionCruiseAdapter({
  presentationController,
  focusView,
  getItems = () => [],
  getItemId = (item) => item?.id || null,
  resolveLatestItem = (item) => item,
  getCandidateAnchor,
  getCandidateFocusCoords,
  showCandidateInfo,
  hideInfo,
  clearCandidateVisual,
}) {
  let currentItemId = null;

  function getCurrentItem() {
    if (!currentItemId) return null;
    return getItems().find((item) => getItemId(item) === currentItemId) || null;
  }

  function getCandidate(item) {
    return item?.payload || item || null;
  }

  function getCandidateId(candidate) {
    return (
      candidate?.id ||
      candidate?.object?.userData?.id ||
      candidate?.object?.userData?.collector ||
      candidate?.object?.userData?.mmsi ||
      candidate?.object?.userData?.name ||
      (Number.isInteger(candidate?.index) ? `satellite:${candidate.index}` : null)
    );
  }

  function getVisibleCardTarget() {
    const mobileTarget = document.getElementById("earth-mobile-popup");
    const visibleMobileTarget =
      mobileTarget instanceof HTMLElement && !mobileTarget.hasAttribute("hidden")
        ? mobileTarget
        : null;
    if (visibleMobileTarget) return visibleMobileTarget;

    const infoPanel = document.getElementById("info-panel");
    return infoPanel instanceof HTMLElement && !infoPanel.hasAttribute("hidden")
      ? infoPanel
      : null;
  }

  return {
    getSortedItems() {
      return getItems();
    },
    getCurrentItem,
    clearCurrentHighlight() {
      const candidate = getCandidate(getCurrentItem());
      currentItemId = null;
      clearCandidateVisual?.(candidate);
    },
    async focusItem(item, { interrupt = false } = {}) {
      const candidate = getCandidate(item);
      currentItemId = getItemId(item) || getCandidateId(candidate);
      const coords = getCandidateFocusCoords?.(candidate);
      if (!coords) return;
      await focusView({
        lat: coords.lat,
        lon: coords.lon,
        rotLon: coords.lon - 270,
        zoom: Math.max(coords.zoom || 1.08, 1.08),
        duration: interrupt
          ? Math.round(CRUISE_CONFIG.focusDurationMs * 0.58)
          : CRUISE_CONFIG.focusDurationMs,
        suppressStatus: true,
      });
    },
    async presentItem(item, { context }) {
      const latestItem = resolveLatestItem(item) || item;
      const candidate = getCandidate(latestItem);
      if (!candidate) return false;
      return presentationController.present(
        {
          id: getItemId(latestItem) || getCandidateId(candidate),
          owner: "motion",
          card: {
            render: ({ reveal = true } = {}) =>
              showCandidateInfo(candidate, getMotionInfoOptions({ reveal })),
            hide: () => hideInfo?.(),
          },
          connector: {
            enabled: true,
            sourceProvider: () => getCandidateAnchor?.(getCandidate(resolveLatestItem(latestItem) || latestItem)),
            targetProvider: getVisibleCardTarget,
            options: {
              routingMode: "adaptive",
              sourceGapPx: 0,
              targetGapPx: CONNECTOR_CONFIG.panelGapPx,
              obstacleClearancePx: CONNECTOR_CONFIG.obstacleClearancePx,
            },
            readyTimeoutMs: MOTION_CONNECTOR_READY_TIMEOUT_MS,
            drawMs: MOTION_CONNECTOR_DRAW_MS,
          },
          lifetime: { mode: "persistent" },
        },
        { context },
      );
    },
    async hidePresentation({ context }) {
      presentationController.dismiss("sequenced_hide");
      const hidden = context?.wait
        ? await context.wait(MOTION_PRESENTATION_HIDE_MS, { secondary: true })
        : true;
      return hidden;
    },
    repositionConnector() {
      presentationController.update();
    },
    resetPresentation() {
      presentationController.dismiss("owner_stop");
    },
  };
}