// Metro module 264 (f265).
import Module265 from "./Module265";
import { getNativeNodeReference, getInstanceHandle } from "./Module136";
import nullthrows from "./nullthrows";
import { beginEvent, endEvent } from "./Module46";
import { createIntersectionObserverEntry } from "./IntersectionObserverEntry";
let c276_5, c276_6, c276_7, c276_8, c276_10, notifyIntersectionObservers, throwIfNoNativeIntersectionObserver;
const getTargetFromInstanceHandle = function getTargetFromInstanceHandle(targetInstanceHandle) {
  return c276_8.get(targetInstanceHandle);
};
notifyIntersectionObservers = function notifyIntersectionObservers() {
  beginEvent("IntersectionObserverManager.notifyIntersectionObservers");
  try {
    (function doNotifyIntersectionObservers() {
      let r35;
      if (Module265 == null) {
        throwIfNoNativeIntersectionObserver();
        throw new Error("unreachable");
      }
      const r43 = Module265.takeRecords();
      const map = new Map();
      let r47 = r43[Symbol.iterator]();
      const next = r47.next;
      const r10 = "Could not find target to create IntersectionObserverEntry";
      while (true) {
        const r50 = r47 === void 0 ? void 0 : (r35 = next.call(r47)).done ? r47 = void 0 : r35.value;
        if (r47 === void 0) {
          for (const item of map) {
            const [r87, r88] = item;
            const r91 = c276_7.get(r87);
            if (r91) {
              const { observer, callback } = r91;
              try {
                const call = callback.call;
                if (call === Function.prototype.call) {
                  callback.call(observer, r88, observer);
                  continue;
                }
                call.call(callback, observer, r88, observer);
                continue;
              } catch ($e) {
                console.error($e);
                continue;
              }
            }
            return void 0;
          }
          return void 0;
        }
        try {
          const r54 = map.get(r50.intersectionObserverId);
          let r55 = r54;
          if (r54 == null) {
            const r19 = [];
            r55 = r19;
            map.set(r50.intersectionObserverId, r19);
          }
          const targetFromInstanceHandle = getTargetFromInstanceHandle(r50.targetInstanceHandle);
          if (targetFromInstanceHandle != null) {
            r55.push(createIntersectionObserverEntry(r50, targetFromInstanceHandle));
          } else {
            console.warn(r10);
          }
        } catch (r77) {
          if (r47 !== void 0 && typeof r47.return === "function") {
            try {
              r47.return();
            } catch {}
          }
          throw r77;
        }
      }
    })();
  } catch (r16) {
    endEvent();
    throw r16;
  }
  endEvent();
};
throwIfNoNativeIntersectionObserver = function throwIfNoNativeIntersectionObserver() {
  throw new Error("Missing native implementation of IntersectionObserver");
};
c276_5 = 1;
c276_6 = false;
c276_7 = new Map();
c276_8 = new WeakMap();
c276_10 = new WeakMap();
export function registerObserver(a0, a1) {
  const r1 = c276_5;
  c276_5 = r1 + 1;
  c276_7.set(r1, {
    observer: a0,
    callback: a1
  });
  return r1;
}
export function unregisterObserver(a0) {
  if (c276_7.delete(a0) && c276_7.size === 0) {
    if (Module265 != null) {
      Module265.disconnect();
    }
    c276_6 = false;
  }
}
export function observe({ intersectionObserverId, root, target }) {
  if (Module265 == null) {
    throw new Error("Missing native implementation of IntersectionObserver");
  }
  const r21 = c276_7.get(intersectionObserverId);
  if (r21 == null) {
    console.error(`IntersectionObserverManager: could not start observing target because IntersectionObserver with ID ${intersectionObserverId} was not registered.`);
    return false;
  }
  const nativeNodeReference = getNativeNodeReference(target);
  if (nativeNodeReference == null) {
    return false;
  }
  const instanceHandle = getInstanceHandle(target);
  if (instanceHandle == null) {
    console.error("IntersectionObserverManager: could not find reference to instance handle from target");
    return false;
  }
  const rootShadowNode = root != null ? getNativeNodeReference(root) : null;
  if (root != null && rootShadowNode == null) {
    console.error("IntersectionObserverManager: could not find shadow node for observation root");
    return false;
  }
  c276_8.set(instanceHandle, target);
  if (!c276_6) {
    Module265.connect(notifyIntersectionObservers);
    c276_6 = true;
  }
  c276_10.set(target, nullthrows(Module265.observeV2)({
    intersectionObserverId,
    rootShadowNode,
    targetShadowNode: nativeNodeReference,
    thresholds: r21.observer.thresholds,
    rootThresholds: r21.observer.rnRootThresholds,
    rootMargin: r21.observer.rootMargin
  }));
  return true;
}
export function unobserve(a0, a1) {
  if (Module265 != null) {
    if (c276_7.get(a0) != null) {
      const r31 = c276_10.get(a1);
      if (r31 != null) {
        nullthrows(Module265.unobserveV2)(a0, r31);
      } else {
        console.error("IntersectionObserverManager: could not find registration data for target");
      }
    } else {
      console.error(`IntersectionObserverManager: could not stop observing target because IntersectionObserver with ID ${a0} was not registered.`);
    }
    return void 0;
  }
  throw new Error("Missing native implementation of IntersectionObserver");
}