// src/views/Company/components/CompanyOverview/hooks/useShareholderData.ts
// 股权结构数据 Hook - 用于股权结构 Tab

import { useState, useEffect, useCallback } from "react";
import { logger } from "@utils/logger";
import { getApiBase } from "@utils/apiConfig";
import type { ActualControl, Concentration, Shareholder } from "../types";

const API_BASE_URL = getApiBase();

interface ApiResponse<T> {
  success: boolean;
  data: T;
}

interface UseShareholderDataResult {
  actualControl: ActualControl[];
  concentration: Concentration[];
  topShareholders: Shareholder[];
  topCirculationShareholders: Shareholder[];
  loading: boolean;
  error: string | null;
}

/**
 * 股权结构数据 Hook
 * @param stockCode - 股票代码
 */
export const useShareholderData = (stockCode?: string): UseShareholderDataResult => {
  const [actualControl, setActualControl] = useState<ActualControl[]>([]);
  const [concentration, setConcentration] = useState<Concentration[]>([]);
  const [topShareholders, setTopShareholders] = useState<Shareholder[]>([]);
  const [topCirculationShareholders, setTopCirculationShareholders] = useState<Shareholder[]>([]);
  const [loading, setLoading] = useState(false);
  const [error, setError] = useState<string | null>(null);

  const loadData = useCallback(async () => {
    if (!stockCode) return;

    setLoading(true);
    setError(null);

    try {
      const [actualRes, concentrationRes, shareholdersRes, circulationRes] = await Promise.all([
        fetch(`${API_BASE_URL}/api/stock/${stockCode}/actual-control`).then((r) =>
          r.json()
        ) as Promise<ApiResponse<ActualControl[]>>,
        fetch(`${API_BASE_URL}/api/stock/${stockCode}/concentration`).then((r) =>
          r.json()
        ) as Promise<ApiResponse<Concentration[]>>,
        fetch(`${API_BASE_URL}/api/stock/${stockCode}/top-shareholders?limit=10`).then((r) =>
          r.json()
        ) as Promise<ApiResponse<Shareholder[]>>,
        fetch(`${API_BASE_URL}/api/stock/${stockCode}/top-circulation-shareholders?limit=10`).then((r) =>
          r.json()
        ) as Promise<ApiResponse<Shareholder[]>>,
      ]);

      if (actualRes.success) setActualControl(actualRes.data);
      if (concentrationRes.success) setConcentration(concentrationRes.data);
      if (shareholdersRes.success) setTopShareholders(shareholdersRes.data);
      if (circulationRes.success) setTopCirculationShareholders(circulationRes.data);
    } catch (err) {
      logger.error("useShareholderData", "loadData", err, { stockCode });
      setError("加载股权结构数据失败");
    } finally {
      setLoading(false);
    }
  }, [stockCode]);

  useEffect(() => {
    loadData();
  }, [loadData]);

  return {
    actualControl,
    concentration,
    topShareholders,
    topCirculationShareholders,
    loading,
    error,
  };
};