import React, { useMemo, useState, useEffect } from 'react';
import { Card, Col, Row, Tabs, Typography, message } from 'antd';
import { useSearchParams } from 'react-router-dom';
import { getPrivatePortraitConfig, getPrivatePortraitProjects, getPrivatePortraitVirtualConfig, getPrivatePortraitVirtualProjects } from '../../../api';
import type { PrivatePortraitConfig, PrivatePortraitProject } from '../../../types';
import RealPersonLibraryPanel from './RealPersonLibraryPanel';
import VirtualMaterialPanel from './VirtualMaterialPanel';

const { Title, Text, Paragraph } = Typography;

type PrivatePortraitTabKey = 'real_person' | 'aigc_virtual';

const normalizeTabKey = (value?: string | null): PrivatePortraitTabKey => (
  value === 'aigc_virtual' ? 'aigc_virtual' : 'real_person'
);

const PrivatePortraitLibraryPanel: React.FC = () => {
  const [searchParams, setSearchParams] = useSearchParams();
  const [activeKey, setActiveKey] = useState<PrivatePortraitTabKey>(() => normalizeTabKey(searchParams.get('portraitTab')));
  const [config, setConfig] = useState<PrivatePortraitConfig | null>(null);
  const [projects, setProjects] = useState<PrivatePortraitProject[]>([]);
  const [selectedProjectId, setSelectedProjectId] = useState<string>();

  useEffect(() => {
    const loadData = async () => {
      try {
        if (activeKey === 'aigc_virtual') {
          const [configRes, projectsRes] = await Promise.all([
            getPrivatePortraitVirtualConfig(),
            getPrivatePortraitVirtualProjects({ page: 1, pageSize: 100, status: 'active' }),
          ]);
          setConfig(configRes);
          const projectList = projectsRes.items || [];
          setProjects(projectList);
          setSelectedProjectId((prev) => prev && projectList.some((item) => item.id === prev) ? prev : projectList[0]?.id);
        } else {
          const [configRes, projectsRes] = await Promise.all([
            getPrivatePortraitConfig(),
            getPrivatePortraitProjects({ pageSize: 100, status: 'active' }),
          ]);
          setConfig(configRes);
          const projectList = projectsRes.items || [];
          setProjects(projectList);
          setSelectedProjectId((prev) => prev && projectList.some((item) => item.id === prev) ? prev : projectList[0]?.id);
        }
      } catch (err: any) {
        message.error(err?.message || '加载数据失败');
      }
    };
    void loadData();
  }, [activeKey]);

  const selectedProject = useMemo(
    () => projects.find((item) => item.id === selectedProjectId) || null,
    [projects, selectedProjectId],
  );

  const quotaText = useMemo(() => {
    if (!config) return '额度加载中';
    return `已用 ${config.usedAssetCount || 0} / ${config.assetLimit || 0} 个素材，剩余 ${config.remainingAssetCount || 0}`;
  }, [config]);

  const items = useMemo(() => [
    {
      key: 'real_person',
      label: '真人素材库',
      children: <RealPersonLibraryPanel />,
    },
    {
      key: 'aigc_virtual',
      label: '虚拟素材库',
      children: <VirtualMaterialPanel />,
    },
  ], []);

  const handleTabChange = (key: string) => {
    const nextKey = normalizeTabKey(key);
    setActiveKey(nextKey);

    const nextParams = new URLSearchParams(searchParams);
    nextParams.set('filterType', 'private_portrait');
    nextParams.set('portraitTab', nextKey);
    setSearchParams(nextParams, { replace: true });
  };

  return (
    <div>
      {/* <div style={{ marginBottom: 16 }}>
        <Title level={4} style={{ margin: 0 }}>私域素材库</Title>
        <Text type="secondary">统一管理真人素材和虚拟素材。真人素材需先完成人脸认证后才可上传素材，虚拟素材如需使用需先上传。</Text>
      </div> */}
      {/* <Row gutter={[16, 16]} style={{ marginBottom: 16 }}>
        <Col xs={24} md={8}>
          <Card style={{ borderRadius: 16, background: 'linear-gradient(135deg,#f5f3ff,#fff)' }}>
            <Text type="secondary">素材总额度</Text>
            <div style={{ fontSize: 24, fontWeight: 700, color: '#4f46e5', marginTop: 8 }}>{quotaText}</div>
            <Paragraph style={{ margin: '8px 0 0', color: '#64748b' }}>真人/虚拟共用，图片/视频共用；音频暂不开放。</Paragraph>
          </Card>
        </Col>
        <Col xs={24} md={8}>
          <Card style={{ borderRadius: 16 }}>
            <Text type="secondary">项目组</Text>
            <div style={{ fontSize: 24, fontWeight: 700, color: '#1e293b', marginTop: 8 }}>{projects.length}</div>
            <Paragraph style={{ margin: '8px 0 0', color: '#64748b' }}>
              {activeKey === 'aigc_virtual' 
                ? '虚拟素材如需使用需先上传' 
                : '真人项目组需完成人脸认证后才可上传素材。'}
            </Paragraph>
          </Card>
        </Col>
        <Col xs={24} md={8}>
          <Card style={{ borderRadius: 16 }}>
            <Text type="secondary">当前项目素材</Text>
            <div style={{ fontSize: 24, fontWeight: 700, color: '#1e293b', marginTop: 8 }}>{selectedProject?.assetCount || 0}</div>
            <Paragraph style={{ margin: '8px 0 0', color: '#64748b' }}>仅 入库成功 状态素材可在 AI 创作中引用。</Paragraph>
          </Card>
        </Col>
      </Row> */}
      <Tabs
        activeKey={activeKey}
        onChange={handleTabChange}
        items={items}
        destroyInactiveTabPane={false}
        tabBarExtraContent={
          <div style={{ fontSize: 14, fontWeight: 700, color: '#4f46e5', marginTop: 8 }}>{quotaText}。真人/虚拟共用，图片/视频共用；音频暂不开放。</div>
        }
      />
    </div>
  );
};

export default PrivatePortraitLibraryPanel;