const GLOBAL_HIDDEN_KEY = "tb_qiaobao_hidden_all";
const PAGE_HIDDEN_KEY = "tb_qiaobao_hidden_pages";
const DOCK_EDGE_KEY = "tb_qiaobao_dock_edge";
const POSITION_KEY = "tb_qiaobao_position";

export function getQiaobaoDockEdge() {
  return uni.getStorageSync(DOCK_EDGE_KEY) === "left" ? "left" : "right";
}

export function setQiaobaoDockEdge(edge) {
  uni.setStorageSync(DOCK_EDGE_KEY, edge === "left" ? "left" : "right");
}

export function getQiaobaoPosition() {
  const position = uni.getStorageSync(POSITION_KEY);
  if (!position || typeof position !== "object") return null;
  const x = Number(position.x);
  const y = Number(position.y);
  return Number.isFinite(x) && Number.isFinite(y) ? { x, y } : null;
}

export function saveQiaobaoPosition(position) {
  if (!position) return;
  const x = Number(position.x);
  const y = Number(position.y);
  if (Number.isFinite(x) && Number.isFinite(y)) {
    uni.setStorageSync(POSITION_KEY, { x, y });
  }
}

export function getCurrentPagePath() {
  try {
    const pages = getCurrentPages();
    const current = pages[pages.length - 1];
    return current?.route || current?.$page?.fullPath?.split("?")[0] || "unknown";
  } catch (error) {
    return "unknown";
  }
}

export function isQiaobaoHidden(pagePath = getCurrentPagePath()) {
  const hiddenAll = uni.getStorageSync(GLOBAL_HIDDEN_KEY);
  const hiddenPages = uni.getStorageSync(PAGE_HIDDEN_KEY);
  return hiddenAll === true || (Array.isArray(hiddenPages) && hiddenPages.includes(pagePath));
}

export function hideQiaobaoForPage(pagePath = getCurrentPagePath(), edge = "right") {
  const hiddenPages = uni.getStorageSync(PAGE_HIDDEN_KEY);
  const nextPages = Array.isArray(hiddenPages) ? [...hiddenPages] : [];
  if (!nextPages.includes(pagePath)) nextPages.push(pagePath);
  uni.setStorageSync(PAGE_HIDDEN_KEY, nextPages);
  setQiaobaoDockEdge(edge);
  uni.$emit("qiaobao-visibility-change", { scope: "page", pagePath, edge });
}

export function hideQiaobaoGlobally(edge = "right") {
  uni.setStorageSync(GLOBAL_HIDDEN_KEY, true);
  setQiaobaoDockEdge(edge);
  uni.$emit("qiaobao-visibility-change", { scope: "all", edge });
}

export function showQiaobao(pagePath = getCurrentPagePath()) {
  uni.removeStorageSync(GLOBAL_HIDDEN_KEY);
  const hiddenPages = uni.getStorageSync(PAGE_HIDDEN_KEY);
  if (Array.isArray(hiddenPages)) {
    uni.setStorageSync(
      PAGE_HIDDEN_KEY,
      hiddenPages.filter((item) => item !== pagePath),
    );
  }
  uni.$emit("qiaobao-visibility-change", { scope: "show", pagePath });
}

export function resetQiaobaoVisibility() {
  uni.removeStorageSync(GLOBAL_HIDDEN_KEY);
  uni.removeStorageSync(PAGE_HIDDEN_KEY);
  uni.$emit("qiaobao-visibility-change", { scope: "reset" });
}