// Metro module 15355 (f15356).
import { useState, useEffect, useCallback, useMemo } from "react";
import ICYMIStore from "./ICYMIStore";
import { SCROLL_EVENT_THROTTLE_MS } from "./ICYMIConstants";
import useICYMIItems from "./useICYMIItems";
import { useStateFromStores, useStateFromStoresObject } from "../../_bundle/Module589";
import { ICYMIAnalytics } from "./ICYMIAnalytics";
import { NON_ELIGIBLE_SCROLL_ITEMS } from "./ICYMIItemTypes";
import usePrevValue from "../../hooks/usePrevValue";
import ICYMIActionCreators from "./ICYMIActionCreators";
import { getViewableFeedItemsArray, itemToType, customStatusToContentInventoryEntry, isItemNSFW } from "./ICYMIUtils";
import { typeToString, ICYMIItemTypes } from "./ICYMITypes";
import { useICYMIReloadHandler } from "./useICYMIReloadHandler";
export function useSharedICYMILogic({ showDot, notificationItem }) {
  let stateFromStores2, stateFromStores3, stateFromStores4, setState2, lastScrollEventTimestamp, c21892_11, c21892_12, callback, callback2, callback3;
  stateFromStores2 = void 0;
  stateFromStores3 = void 0;
  stateFromStores4 = void 0;
  setState2 = void 0;
  lastScrollEventTimestamp = void 0;
  c21892_11 = void 0;
  c21892_12 = void 0;
  callback = void 0;
  callback2 = void 0;
  callback3 = void 0;
  const [endVisible, setState] = useState(false);
  const iCYMIItems = useICYMIItems();
  const { unreadItems, readItems, allUnreadItemsHydrated } = iCYMIItems;
  const stateFromStores = useStateFromStores([ICYMIStore], () => ICYMIStore.getVersion(), []);
  stateFromStores2 = useStateFromStores([ICYMIStore], () => !(ICYMIStore.isFirstPageHydrated() && stateFromStores > 0));
  useEffect(() => {
    if (ICYMIStore.getLoadId() != null) {
      ICYMIAnalytics.trackFeedShown({
        homeSessionId: "gravity"
      });
    }
  }, [stateFromStores]);
  stateFromStores3 = useStateFromStores([ICYMIStore], () => ICYMIStore.isRefreshing(), []);
  stateFromStores4 = useStateFromStores([ICYMIStore], () => ICYMIStore.isHydrating(), []);
  let visibleItemIds;
  [visibleItemIds, setState2] = useState([]);
  const stateFromStoresObject = useStateFromStoresObject([ICYMIStore], () => ({
    loadId: ICYMIStore.getLoadId(),
    lastScrollEventTimestamp: ICYMIStore.lastScrollEvent()
  }));
  const loadId = stateFromStoresObject.loadId;
  lastScrollEventTimestamp = stateFromStoresObject.lastScrollEventTimestamp;
  const r77 = visibleItemIds.filter((visibleItemId) => !NON_ELIGIBLE_SCROLL_ITEMS.has(visibleItemId.item.data.kind)).map((item) => item.item.id).pop();
  c21892_11 = r77;
  const prevValue = usePrevValue(r77);
  c21892_12 = prevValue;
  useEffect(() => {
    if (!stateFromStores3 && !stateFromStores2) {
      if (c21892_12 != null) {
        if (c21892_11 != null && c21892_11 !== c21892_12) {
          const r5 = Date.now();
          if (r5 - lastScrollEventTimestamp > SCROLL_EVENT_THROTTLE_MS) {
            ICYMIActionCreators.gravityScrollEvent(r5);
            ICYMIAnalytics.trackFeedFirstScrollStarted();
          }
        }
      }
    }
  }, [stateFromStores3, lastScrollEventTimestamp, prevValue, r77, loadId, stateFromStores2]);
  callback = useCallback(({ viewableItems }) => {
    if (viewableItems.some((viewableItem) => viewableItem.item.data.kind === "end")) {
      setState(true);
    }
    if (viewableItems.length !== 0) {
      setState2(viewableItems);
      const r11 = [];
      const viewableFeedItemsArray = getViewableFeedItemsArray(viewableItems);
      let r34 = Date.now();
      let r0 = viewableFeedItemsArray.length - 1;
      while (0 <= r0) {
        const r18 = viewableFeedItemsArray[r0];
        const r1 = r0;
        const r13 = r34;
        let r37 = r13;
        if (r18 != null) {
          const r14 = {
            id: r18.id,
            type: typeToString(r18),
            timestamp: null
          };
          const timestamp = +r13;
          r37 = timestamp + 1;
          r14.timestamp = timestamp;
          r11.push(r14);
        }
        r0 = r1 - 1;
        r34 = r37;
      }
      if (r11.length > 0) {
        ICYMIActionCreators.ackGravityItems(r11, true);
      }
      ICYMIAnalytics.trackItemShortImpression(viewableItems, viewableFeedItemsArray.map((item) => ({
        id: item.id,
        type: typeToString(item)
      })), stateFromStores);
    }
  }, [stateFromStores, setState]);
  callback2 = useCallback(({ viewableItems }) => {
    if (viewableItems.length !== 0) {
      ICYMIAnalytics.trackItemLongImpression(viewableItems, getViewableFeedItemsArray(viewableItems).map((item) => ({
        id: item.id,
        type: typeToString(item)
      })), stateFromStores);
      ICYMIActionCreators.triggerItemsLongImpression(viewableItems.filter((viewableItem) => !NON_ELIGIBLE_SCROLL_ITEMS.has(viewableItem.item.data.kind)).map(({ item, index }) => {
        const r6 = {
          itemId: item.id,
          itemType: itemToType(item),
          triggerType: "list",
          itemFeedIndex: index,
          itemScore: null,
          itemChannelType: null,
          isInitiallyVisible: false
        };
        let score = item.score;
        if (score == null) {
          score = null;
        }
        r6.itemScore = score;
        let channelType = item.channelType;
        if (channelType == null) {
          channelType = null;
        }
        r6.itemChannelType = channelType;
        return r6;
      }));
    }
  }, [stateFromStores]);
  callback3 = useCallback((a0) => {
    ICYMIActionCreators.startItemsDwell(a0.viewableItems.filter((viewableItem) => !NON_ELIGIBLE_SCROLL_ITEMS.has(viewableItem.item.data.kind)).map(({ item, index }) => {
      const r6 = {
        itemId: item.id,
        itemType: itemToType(item),
        triggerType: "list",
        itemFeedIndex: index,
        itemScore: null,
        itemChannelType: null,
        isInitiallyVisible: false
      };
      let score = item.score;
      if (score == null) {
        score = null;
      }
      r6.itemScore = score;
      let channelType = item.channelType;
      if (channelType == null) {
        channelType = null;
      }
      r6.itemChannelType = channelType;
      return r6;
    }));
  }, []);
  const memo = useMemo(() => [{
    viewabilityConfig: {
      waitForInteraction: false,
      viewAreaCoveragePercentThreshold: 100,
      minimumViewTime: 50
    },
    onViewableItemsChanged: callback
  }, {
    viewabilityConfig: {
      waitForInteraction: false,
      viewAreaCoveragePercentThreshold: 50,
      minimumViewTime: 1000
    },
    onViewableItemsChanged: callback2
  }, {
    viewabilityConfig: {
      waitForInteraction: false,
      viewAreaCoveragePercentThreshold: 50,
      minimumViewTime: 50
    },
    onViewableItemsChanged: callback3
  }], [callback, callback2, callback3]);
  useEffect(() => {
    ICYMIActionCreators.openICYMITab();
  }, []);
  const iCYMIReloadHandler = useICYMIReloadHandler(showDot);
  const memo2 = useMemo(() => {
    const data = [];
    let c28006_0 = data;
    if ((stateFromStores2 ? notificationItem != null : stateFromStores2) && notificationItem.type === ICYMIItemTypes.CUSTOM_STATUS) {
      data.push({
        id: notificationItem.id,
        timestamp: Date.now(),
        data: {
          kind: "contentInventory",
          content: customStatusToContentInventoryEntry(notificationItem).activity
        },
        score: notificationItem.score,
        unread: true
      });
    }
    if (stateFromStores2) {
      data.push({
        id: "loading",
        timestamp: 0,
        unread: false,
        data: {
          kind: "loading"
        }
      });
    } else {
      unreadItems.forEach((unreadItem) => {
        if (!isItemNSFW(unreadItem)) {
          c28006_0.push(unreadItem);
        }
      });
      if (allUnreadItemsHydrated) {
        data.push({
          id: "end",
          timestamp: 0,
          unread: false,
          data: {
            kind: "end"
          }
        });
      }
      if (readItems.length > 0) {
        readItems.forEach((readItem) => {
          if (!isItemNSFW(readItem)) {
            c28006_0.push(readItem);
          }
        });
      }
      if (stateFromStores4) {
        data.push({
          id: "bottomLoading",
          timestamp: 0,
          unread: false,
          data: {
            kind: "bottomLoading"
          }
        });
      }
    }
    return {
      data,
      stickyHeaderIndices: []
    };
  }, [stateFromStores2, notificationItem, unreadItems, allUnreadItemsHydrated, readItems, stateFromStores4]);
  return {
    data: memo2.data,
    loading: stateFromStores2,
    version: stateFromStores,
    visibleItemIds,
    endVisible,
    isRefreshing: stateFromStores3,
    handleOnRefresh: iCYMIReloadHandler,
    stickyHeaderIndices: memo2.stickyHeaderIndices,
    viewabilityConfigCallbackPairs: memo
  };
}