// src/views/Company/components/DynamicTracking/index.js
// 动态跟踪 - 独立一级 Tab 组件（包含新闻动态等二级 Tab）

import React, { useState, useEffect, useCallback } from "react";
import {
  Box,
  Tabs,
  TabList,
  TabPanels,
  Tab,
  TabPanel,
} from "@chakra-ui/react";
import { FaNewspaper, FaBullhorn, FaCalendarAlt } from "react-icons/fa";

import { logger } from "@utils/logger";
import { getApiBase } from "@utils/apiConfig";
import NewsEventsTab from "../CompanyOverview/NewsEventsTab";
import AnnouncementsPanel from "../CompanyOverview/BasicInfoTab/components/AnnouncementsPanel";
import DisclosureSchedulePanel from "../CompanyOverview/BasicInfoTab/components/DisclosureSchedulePanel";
import { THEME } from "../CompanyOverview/BasicInfoTab/config";

// API配置
const API_BASE_URL = getApiBase();

// 二级 Tab 配置
const TRACKING_TABS = [
  { key: "news", name: "新闻动态", icon: FaNewspaper },
  { key: "announcements", name: "公司公告", icon: FaBullhorn },
  { key: "disclosure", name: "财报披露日程", icon: FaCalendarAlt },
];

/**
 * 动态跟踪组件
 *
 * 功能：
 * - 二级 Tab 结构
 * - Tab1: 新闻动态（复用 NewsEventsTab）
 * - 预留后续扩展
 *
 * @param {Object} props
 * @param {string} props.stockCode - 股票代码
 */
const DynamicTracking = ({ stockCode: propStockCode }) => {
  const [stockCode, setStockCode] = useState(propStockCode || "000001");
  const [activeTab, setActiveTab] = useState(0);

  // 新闻动态状态
  const [newsEvents, setNewsEvents] = useState([]);
  const [newsLoading, setNewsLoading] = useState(false);
  const [newsPagination, setNewsPagination] = useState({
    page: 1,
    per_page: 10,
    total: 0,
    pages: 0,
    has_next: false,
    has_prev: false,
  });
  const [searchQuery, setSearchQuery] = useState("");
  const [stockName, setStockName] = useState("");
  const [dataLoaded, setDataLoaded] = useState(false);

  // 监听 props 中的 stockCode 变化
  useEffect(() => {
    if (propStockCode && propStockCode !== stockCode) {
      setStockCode(propStockCode);
      setDataLoaded(false);
      setNewsEvents([]);
      setStockName("");
      setSearchQuery("");
    }
  }, [propStockCode, stockCode]);

  // 获取股票名称（用于搜索）
  const fetchStockName = useCallback(async () => {
    try {
      const response = await fetch(
        `${API_BASE_URL}/api/stock/${stockCode}/basic-info`
      );
      const result = await response.json();
      if (result.success && result.data) {
        const name = result.data.SECNAME || result.data.ORGNAME || stockCode;
        setStockName(name);
        return name;
      }
      return stockCode;
    } catch (err) {
      logger.error("DynamicTracking", "fetchStockName", err, { stockCode });
      return stockCode;
    }
  }, [stockCode]);

  // 加载新闻事件数据
  const loadNewsEvents = useCallback(
    async (query, page = 1) => {
      setNewsLoading(true);
      try {
        const searchTerm = query || stockName || stockCode;
        const response = await fetch(
          `${API_BASE_URL}/api/events?q=${encodeURIComponent(searchTerm)}&page=${page}&per_page=10`
        );
        const result = await response.json();

        if (result.success) {
          setNewsEvents(result.data || []);
          setNewsPagination({
            page: result.pagination?.page || page,
            per_page: result.pagination?.per_page || 10,
            total: result.pagination?.total || 0,
            pages: result.pagination?.pages || 0,
            has_next: result.pagination?.has_next || false,
            has_prev: result.pagination?.has_prev || false,
          });
        }
      } catch (err) {
        logger.error("DynamicTracking", "loadNewsEvents", err, { stockCode });
        setNewsEvents([]);
      } finally {
        setNewsLoading(false);
      }
    },
    [stockCode, stockName]
  );

  // 首次加载
  useEffect(() => {
    const initLoad = async () => {
      if (stockCode && !dataLoaded) {
        const name = await fetchStockName();
        await loadNewsEvents(name, 1);
        setDataLoaded(true);
      }
    };
    initLoad();
  }, [stockCode, dataLoaded, fetchStockName, loadNewsEvents]);

  // 搜索处理
  const handleSearchChange = (value) => {
    setSearchQuery(value);
  };

  const handleSearch = () => {
    loadNewsEvents(searchQuery || stockName, 1);
  };

  // 分页处理
  const handlePageChange = (page) => {
    loadNewsEvents(searchQuery || stockName, page);
  };

  return (
    <Box bg={THEME.bg} p={4} borderRadius="md">
      <Tabs
        variant="soft-rounded"
        index={activeTab}
        onChange={setActiveTab}
        isLazy
      >
        <TabList bg={THEME.cardBg} borderBottom="1px solid" borderColor={THEME.border}>
          {TRACKING_TABS.map((tab) => (
            <Tab
              key={tab.key}
              fontWeight="medium"
              color={THEME.textSecondary}
              _selected={{
                color: THEME.tabSelected.color,
                bg: THEME.tabSelected.bg,
                borderRadius: "md",
              }}
              _hover={{ color: THEME.gold }}
            >
              {tab.name}
            </Tab>
          ))}
        </TabList>

        <TabPanels>
          {/* 新闻动态 Tab */}
          <TabPanel p={4}>
            <NewsEventsTab
              newsEvents={newsEvents}
              newsLoading={newsLoading}
              newsPagination={newsPagination}
              searchQuery={searchQuery}
              onSearchChange={handleSearchChange}
              onSearch={handleSearch}
              onPageChange={handlePageChange}
              cardBg="white"
            />
          </TabPanel>

          {/* 公司公告 Tab */}
          <TabPanel p={4}>
            <AnnouncementsPanel stockCode={stockCode} />
          </TabPanel>

          {/* 财报披露日程 Tab */}
          <TabPanel p={4}>
            <DisclosureSchedulePanel stockCode={stockCode} />
          </TabPanel>
        </TabPanels>
      </Tabs>
    </Box>
  );
};

export default DynamicTracking;