import { FontAwesome, Ionicons } from "@expo/vector-icons";
import type { BottomSheetModal } from "@gorhom/bottom-sheet";
import { useQuery } from "@tanstack/react-query";
import { useCallback, useRef, useState } from "react";
import { TouchableOpacity, View, type ViewProps } from "react-native";
import { Text } from "@/components/common/Text";
import { FilterSheet } from "./FilterSheet";
import { useFilterSheet } from "./FilterSheetProvider";

interface FilterButtonProps<T> extends ViewProps {
  id: string;
  disableSearch?: boolean;
  queryKey: string;
  values: T[];
  title: string;
  set: (value: T[]) => void;
  queryFn: (params: any) => Promise<any>;
  searchFilter?: (item: T, query: string) => boolean;
  renderItemLabel: (item: T) => React.ReactNode;
  multiple?: boolean;
  icon?: "filter" | "sort";
}

export const FilterButton = <T,>({
  id,
  queryFn,
  queryKey,
  set,
  values, // selected values
  title,
  renderItemLabel,
  searchFilter,
  disableSearch = false,
  multiple = false,
  icon = "filter",
  ...props
}: FilterButtonProps<T>) => {
  // When a FilterSheetProvider is present (library / collections), all buttons
  // share one sheet so two can never stack. Outside a provider (e.g. logs,
  // discover), fall back to this button's own standalone sheet.
  const shared = useFilterSheet();

  const { data: filters, isLoading } = useQuery<T[]>({
    queryKey: ["filters", title, queryKey, id],
    queryFn,
    staleTime: 0,
    enabled: !!id && !!queryFn && !!queryKey,
  });

  // Standalone-mode state (unused in shared mode).
  const [open, setOpen] = useState(false);
  const sheetModalRef = useRef<BottomSheetModal | null>(null);

  const onButtonPress = useCallback(() => {
    if (shared) {
      shared.openFilter({
        key: `${id}:${queryKey}`,
        id,
        queryKey,
        queryFn,
        title,
        values: values as unknown[],
        set: set as (value: unknown[]) => void,
        renderItemLabel: renderItemLabel as (item: unknown) => React.ReactNode,
        searchFilter: searchFilter as
          | ((item: unknown, query: string) => boolean)
          | undefined,
        disableSearch,
        multiple,
      });
      return;
    }
    // present() must run from the press handler: from an effect after a state
    // update it silently no-ops on the new architecture and the sheet never
    // appears.
    setOpen(true);
    sheetModalRef.current?.present();
  }, [
    shared,
    id,
    queryKey,
    queryFn,
    title,
    values,
    set,
    renderItemLabel,
    searchFilter,
    disableSearch,
    multiple,
  ]);

  return (
    <>
      <TouchableOpacity onPress={onButtonPress}>
        <View
          className={`
            px-3 py-1.5 rounded-full flex flex-row items-center space-x-1
            ${
              values.length > 0
                ? "bg-purple-600  border border-purple-700"
                : "bg-neutral-900 border border-neutral-900"
            }
          ${filters?.length === 0 && "opacity-50"}
            `}
          {...props}
        >
          <Text
            className={`
            ${values.length > 0 ? "text-purple-100" : "text-neutral-100"}
            text-xs font-semibold`}
          >
            {title}
          </Text>
          {icon === "filter" ? (
            <Ionicons
              name='filter'
              size={14}
              color='white'
              style={{ opacity: 0.5 }}
            />
          ) : (
            <FontAwesome
              name='sort'
              size={14}
              color='white'
              style={{ opacity: 0.5 }}
            />
          )}
        </View>
      </TouchableOpacity>
      {!shared && (
        <FilterSheet<T>
          title={title}
          open={open}
          setOpen={setOpen}
          modalRef={sheetModalRef}
          loading={isLoading}
          data={filters}
          values={values}
          set={set}
          renderItemLabel={renderItemLabel}
          searchFilter={searchFilter}
          disableSearch={disableSearch}
          multiple={multiple}
        />
      )}
    </>
  );
};