// Metro module 9252 (f9253).
import * as Module19 from "react";
import { forwardRef, useMemo, useState, useImperativeHandle, useRef, isValidElement, useEffect } from "react";
import { View } from "react-native";
import { createStyles } from "../../design/components/Styles/native/createStyles";
import getFastestListVisibleItemsDefault from "./getFastestListVisibleItemsDefault";
import shallowEqual from "../../_bundle/shallowEqual";
import getFastestListVisibleItemsWithErrorChecking_native from "./utils/getFastestListVisibleItemsWithErrorChecking.native";
import PortalToNativeView_native from "../portals/PortalToNativeView.native";
const useStyles = createStyles({
  portal: {
    position: "absolute",
    opacity: 0,
    height: 0,
    top: 0
  }
});
let c6084_7 = {
  items: [],
  keys: new Map(),
  keyIndex: 0
};
const r43 = Module19.memo(forwardRef(function(a0, a1) {
  let state, setState, ref, memo;
  const { estimatedListSize, horizontal = false } = a0;
  let c17092_1 = horizontal;
  const { listFooterAlwaysMounted, listHeaderAlwaysMounted, placeholdersForceEnabled = false } = a0;
  let c17092_4 = placeholdersForceEnabled;
  const { marginEnd, marginStart, sectionsVersioned, renderItem, renderListFooter, renderListHeader, renderSectionFooter, renderSectionHeader, wrapChildren = false } = a0;
  let c17092_13 = wrapChildren;
  state = void 0;
  setState = void 0;
  ref = void 0;
  memo = void 0;
  const styles = useStyles();
  const memo2 = useMemo(() => [styles.portal, {
    left: marginStart,
    right: marginEnd
  }], [styles.portal, marginStart, marginEnd]);
  [state, setState] = useState(() => getFastestListVisibleItemsDefault({
    estimatedListSize,
    sectionsVersioned
  }));
  useImperativeHandle(a1, () => ({
    setVisibleItems: (c30071_0) => {
      setState((prevState) => {
        let r8 = c30071_0;
        if (shallowEqual(prevState, r8)) {
          r8 = prevState;
        }
        return r8;
      });
    }
  }), []);
  ref = useRef(c6084_7);
  memo = useMemo(() => {
    let sectionStart, sectionEnd, itemStart, itemEnd;
    const { keysAreUniform, listId, itemKeys, itemSizes, itemSizeIsUniform, listFooterKey, listFooterSize, listHeaderKey, listHeaderSize, sectionsId, sections, sectionFooterKeys, sectionFooterSizeIsUniform, sectionFooterSizes, sectionHeaderKeys, sectionHeaderSizeIsUniform, sectionHeaderSizes } = sectionsVersioned;
    if (sectionsId !== state.sectionsId) {
      return ref.current;
    }
    const fastestListChildJSX = function fastestListChildJSX(a0, a1) {
      if (c17092_13) {
        return <View style={{
          width: c17092_1 ? a1 : void 0,
          height: c17092_1 ? void 0 : a1,
          overflow: "hidden"
        }} collapsable={false}>
          {a0}
        </View>;
      }
      if (isValidElement(a0)) {
        return a0;
      }
      throw new Error("Must return a single child element.");
    };
    let keyIndex = ref.current.keyIndex;
    const map = new Map(ref.current.keys);
    const map2 = new Map();
    const items = [];
    const r25 = [];
    const fastestListVisibleItemsWithErrorChecking_native = getFastestListVisibleItemsWithErrorChecking_native(listId, state, sections);
    let sectionStart2 = fastestListVisibleItemsWithErrorChecking_native.sectionStart;
    sectionStart = sectionStart2;
    sectionEnd = fastestListVisibleItemsWithErrorChecking_native.sectionEnd;
    itemStart = fastestListVisibleItemsWithErrorChecking_native.itemStart;
    itemEnd = fastestListVisibleItemsWithErrorChecking_native.itemEnd;
    let r26 = sectionStart;
    while (r26 <= sectionEnd) {
      const r42 = r26;
      if (!c17092_4) {
        let r44 = r42 === sectionStart ? itemStart : 0;
        const r87 = r42 !== sectionEnd ? sections[r42] - 1 : itemEnd;
        while (r44 <= r87) {
          const item3 = renderItem(r42, r44);
          const r89 = r44;
          const itemSize2 = itemSizeIsUniform ? itemSizes[0].sizes[0] : itemSizes[r42].sizes[r89];
          let r48 = keysAreUniform ? itemKeys[0].keys[0] : itemKeys[r42].keys[r89];
          if (r48 === "") {
            r48 = `s${r42}-i${r89}`;
          }
          const portalId = `${listId}-${r48}`;
          const r51 = map.get(portalId);
          if (r51 != null) {
            map2.set(portalId, r51);
            map.delete(portalId);
            items.push(<PortalToNativeView_native key={`${r51}`} portalId={portalId}>
              {fastestListChildJSX(item3, itemSize2)}
            </PortalToNativeView_native>);
          } else {
            r25.push({
              keyId: portalId,
              item: item3,
              itemSize: itemSize2
            });
          }
          r44 = r89 + 1;
        }
      }
      r26 = r42 + 1;
    }
    for (const item of r25) {
      const { keyId, item: item2, itemSize } = item;
      if (map.size > 0) {
        const value = map.keys().next().value;
        const r158 = map.get(value);
        map2.set(keyId, r158);
        map.delete(value);
        items.push(<PortalToNativeView_native key={`${r158}`} portalId={keyId}>
          {fastestListChildJSX(item2, itemSize)}
        </PortalToNativeView_native>);
      } else {
        const r132 = +keyIndex;
        keyIndex = r132 + 1;
        const r133 = "key-" + r132;
        map2.set(keyId, r133);
        items.push(<PortalToNativeView_native key={`${r133}`} portalId={keyId}>
          {fastestListChildJSX(item2, itemSize)}
        </PortalToNativeView_native>);
      }
    }
    L35: {
      if (renderListHeader != null && listHeaderSize > 0) {
        if (!listHeaderAlwaysMounted && !(function() {
          if (c17092_4) {
            return false;
          }
          if (itemStart !== 0) {
            return false;
          }
          let r0 = sectionStart - 1;
          while (0 <= r0) {
            const r11 = sections[r0];
            const r1 = r0;
            if (r11 > 0) {
              return false;
            }
            r0 = r1 - 1;
          }
          return true;
        })()) {
          break L35;
        }
        const key = listHeaderKey !== "" ? listHeaderKey : "lh";
        items.push(<PortalToNativeView_native key={key} portalId={`${listId}-${key}`}>
          {fastestListChildJSX(renderListHeader(), listHeaderSize)}
        </PortalToNativeView_native>);
      }
    }
    L42: {
      if (renderListFooter != null && listFooterSize > 0) {
        if (!listFooterAlwaysMounted && !(function() {
          if (c17092_4) {
            return false;
          }
          if (itemEnd !== Math.max(sections[sectionEnd] - 1, 0)) {
            return false;
          }
          let r15 = sectionEnd + 1;
          while (r15 < sections.length) {
            const r18 = sections[r15];
            const r19 = r15;
            if (r18 > 0) {
              return false;
            }
            r15 = r19 + 1;
          }
          return true;
        })()) {
          break L42;
        }
        const key2 = `${listId}-${listFooterKey !== "" ? listFooterKey : "lf"}`;
        items.push(<PortalToNativeView_native key={key2} portalId={key2}>
          {fastestListChildJSX(renderListFooter(), listFooterSize)}
        </PortalToNativeView_native>);
      }
    }
    if (sectionStart <= sectionEnd) {
      do {
        const r221 = sectionStart2;
        if (!c17092_4) {
          const r222 = sectionFooterSizeIsUniform ? sectionFooterSizes[0] : sectionFooterSizes[r221];
          if (r222 > 0 && renderSectionFooter != null) {
            let r224 = keysAreUniform ? sectionFooterKeys[0] : sectionFooterKeys[r221];
            if (r224 === "") {
              r224 = `sf${r221}`;
            }
            const key3 = `${listId}-${r224}`;
            items.push(<PortalToNativeView_native key={key3} portalId={key3}>
              {fastestListChildJSX(renderSectionFooter(r221), r222)}
            </PortalToNativeView_native>);
          }
          const r241 = sectionHeaderSizeIsUniform ? sectionHeaderSizes[0] : sectionHeaderSizes[r221];
          if (r241 > 0 && renderSectionHeader != null) {
            let r243 = keysAreUniform ? sectionHeaderKeys[0] : sectionHeaderKeys[r221];
            if (r243 === "") {
              r243 = `sh${r221}`;
            }
            const key4 = `${listId}-${r243}`;
            items.push(<PortalToNativeView_native key={key4} portalId={key4}>
              {fastestListChildJSX(renderSectionHeader(r221), r241)}
            </PortalToNativeView_native>);
          }
        }
        sectionStart2 = r221 + 1;
      } while (sectionStart2 <= sectionEnd);
    }
    return {
      items,
      keys: map2,
      keyIndex
    };
  }, [horizontal, listFooterAlwaysMounted, listHeaderAlwaysMounted, placeholdersForceEnabled, renderItem, renderListFooter, renderListHeader, renderSectionFooter, renderSectionHeader, sectionsVersioned, state, wrapChildren]);
  useEffect(() => {
    ref.current = memo;
  }, [memo]);
  return <View pointerEvents="none" style={memo2}>{memo.items}</View>;
}));
export default r43;