"use client";

import Gis from "@common/business_components/ui/map/Gis";
import GisApp from "@common/business_components/ui/map/lib/gis.core";
import { useEffect, useRef, useState } from "react";
import { SearchBar } from "../../map/searchBar/searchBar";

interface FeatureData {
  fid?: string;
  ftrIdn?: string;
  id?: string;
  getGeometry?: () => { getExtent: () => number[] };
  setStyle?: () => void;
}

interface MapInstance {
  getLayers: () => {
    getArray: () => Array<{
      getSource?: () => { getFeatureById?: (id: string) => FeatureData | null };
    }>;
  };
  getView: () => { fit: (extent: number[], options: object) => void };
}

const Map = () => {
  const [treeData, setTreeData] = useState([]); // 초기값을 객체 또는 null로 설정
  const gisMaps = useRef<MapInstance | null>(null);
  const [isOpen, setIsOpen] = useState(false); // 팝업 열기/닫기 상태
  const [isSearchModalOpen, setIsSearchModalOpen] = useState(false); // SearchModal 열림 상태
  const [featureData, setFeatureData] = useState<FeatureData | null>(null); // 선택된 피쳐 데이터

  const fetchData = async () => {
    try {
      const API_URL = `${process.env.NEXT_PUBLIC_SEWERAGE_API_URL}/v1/map`;
      const reqUrl = `${API_URL}/lyrStngs/FO_NETWORK`;
      const response = await fetch(reqUrl, {
        method: "GET",
        headers: {
          accept: "application/json",
        },
      });

      if (!response.ok) {
        throw new Error(`HTTP 오류! 상태: ${response.status}`);
      }

      const data = await response.json(); // 여기서 json 파싱
      setTreeData(data); // 데이터 설정
    } catch (error) {
      console.error("데이터 불러오기 실패:", error);
    }
  };

  // 컴포넌트 마운트 시 1회 실행
  useEffect(() => {
    fetchData();
  }, []);

  // SearchModal, GisContent 등에서 호출
  const onFeatureSelect = (data: FeatureData) => {
    const map = gisMaps.current;
    if (!map) {
      console.warn("지도가 초기화되지 않았습니다.");
      return;
    }

    // 항상 같은 select 객체 사용
    const select = GisApp.Module.select as unknown as
      | {
          resetSelectedFeature: () => void;
          selectFeature: (feature: FeatureData, selected: boolean) => void;
        }
      | undefined;
    if (!select) return;

    // 1. 기존 선택 초기화
    select.resetSelectedFeature();

    // 2. data가 OpenLayers Feature 인스턴스인지 확인
    let foundFeature: FeatureData | null = null;
    if (
      data &&
      typeof data.getGeometry === "function" &&
      typeof data.setStyle === "function"
    ) {
      // 이미 Feature 인스턴스라면 그대로 사용
      foundFeature = data;
    } else {
      // 아니면 featureId로 맵에서 Feature 인스턴스를 찾아서 사용
      const featureId = data.fid || data.ftrIdn || data.id;
      map
        .getLayers()
        .getArray()
        .forEach((layer) => {
          const source = layer.getSource?.();
          if (source?.getFeatureById) {
            const feature = source.getFeatureById(String(featureId).trim());
            if (feature) foundFeature = feature;
          }
        });
    }

    // 3. 피처 선택
    if (foundFeature && foundFeature.getGeometry) {
      const geometry = foundFeature.getGeometry();
      if (geometry) {
        const extent = geometry.getExtent();

        map.getView().fit(extent, {
          duration: 300,
          padding: [50, 50, 50, 50],
          maxZoom: 16,
          constrainResolution: true,
          nearest: true,
        });
      }
      select.selectFeature(foundFeature, true);
    } else {
      console.warn("OpenLayers Feature를 찾을 수 없습니다:", data);
    }

    setFeatureData(data);
    setIsOpen(true);
    setIsSearchModalOpen(false);
  };

  return (
    <div className="bg-container">
      <Gis
        treeData={treeData}
        isSearch={false}
        gisMaps={gisMaps}
        isMiniMap={false}
        searchView={undefined}
        detailView={undefined}
        onFeatureSelect={onFeatureSelect}
        setIsOpen={setIsOpen}
        setFeatureData={setFeatureData}
        featureData={featureData}
        setIsSearchModalOpen={setIsSearchModalOpen}
        isOpen={isOpen}
        isSearchModalOpen={isSearchModalOpen}
        onCheckedLayersChange={undefined}
        imgVisble={false}
        searchBar={() => <SearchBar onFeatureSelect={onFeatureSelect} gisMaps={gisMaps} />}
        waterDepth={undefined}
      />
    </div>
  );
};

export default Map;