import React, { useEffect, useState } from 'react';
import { Row, Col, Typography, Button, Spin } from 'antd';
import { motion } from 'framer-motion';
import { 
  RightOutlined, 
  SearchOutlined, 
  DatabaseOutlined, 
  ThunderboltOutlined, 
  CheckCircleOutlined, 
  CloudServerOutlined 
} from '@ant-design/icons';
import { getServices } from '../api';
import { useNavigate } from 'react-router-dom';

const { Title, Paragraph } = Typography;

const AIServices = () => {
  const [services, setServices] = useState([]);
  const [loading, setLoading] = useState(true);
  const navigate = useNavigate();

  useEffect(() => {
    const fetchServices = async () => {
      try {
        const response = await getServices();
        setServices(response.data);
      } catch (error) {
        console.error("Failed to fetch services:", error);
      } finally {
        setLoading(false);
      }
    };
    fetchServices();
  }, []);

  if (loading) {
      return (
          <div style={{ textAlign: 'center', padding: '100px 0' }}>
              <Spin size="large" />
              <div style={{ marginTop: 20 }}>Loading services...</div>
          </div>
      );
  }

  return (
    <div style={{ padding: '20px 0' }}>
      <div style={{ textAlign: 'center', marginBottom: 60 }}>
        <motion.div
          initial={{ scale: 0.8, opacity: 0 }}
          animate={{ scale: 1, opacity: 1 }}
          transition={{ duration: 0.8 }}
        >
          <Title level={1} style={{ color: '#fff', fontSize: 'clamp(2rem, 4vw, 3rem)' }}>
            AI 全栈<span style={{ color: '#00f0ff', textShadow: '0 0 10px rgba(0,240,255,0.5)' }}>解决方案</span>
          </Title>
        </motion.div>
        <Paragraph style={{ color: '#888', maxWidth: 700, margin: '0 auto', fontSize: 16 }}>
          从数据处理到模型部署，我们为您提供一站式 AI 基础设施服务。
        </Paragraph>
      </div>

      <Row gutter={[32, 32]} justify="center">
        {services.map((item, index) => (
          <Col xs={24} md={8} key={item.id}>
            <motion.div
              initial={{ opacity: 0, x: -50 }}
              animate={{ opacity: 1, x: 0 }}
              transition={{ delay: index * 0.2, duration: 0.5 }}
              whileHover={{ scale: 1.03 }}
              onClick={() => navigate(`/services/${item.id}`)}
              style={{ cursor: 'pointer' }}
            >
              <div 
                className="glass-panel"
                style={{ 
                  padding: 30, 
                  height: '100%', 
                  position: 'relative', 
                  overflow: 'hidden',
                  border: `1px solid ${item.color}33`,
                  boxShadow: `0 0 20px ${item.color}11`
                }}
              >
                {/* HUD 装饰线 */}
                <div style={{ position: 'absolute', top: 0, left: 0, width: 20, height: 2, background: item.color }} />
                <div style={{ position: 'absolute', top: 0, left: 0, width: 2, height: 20, background: item.color }} />
                <div style={{ position: 'absolute', bottom: 0, right: 0, width: 20, height: 2, background: item.color }} />
                <div style={{ position: 'absolute', bottom: 0, right: 0, width: 2, height: 20, background: item.color }} />

                <div style={{ marginBottom: 20, display: 'flex', alignItems: 'center' }}>
                  <div style={{ 
                    width: 60, height: 60, 
                    borderRadius: '50%', 
                    background: `${item.color}22`, 
                    display: 'flex', alignItems: 'center', justifyContent: 'center',
                    marginRight: 15,
                    overflow: 'hidden'
                  }}>
                    {item.display_icon ? (
                        <img src={item.display_icon} alt={item.title} style={{ width: '60%', height: '60%', objectFit: 'contain' }} />
                    ) : (
                        <div style={{ width: 30, height: 30, background: item.color, borderRadius: '50%' }} />
                    )}
                  </div>
                  <h3 style={{ margin: 0, fontSize: 22, color: '#fff' }}>{item.title}</h3>
                </div>

                <p style={{ color: '#ccc', lineHeight: 1.6, minHeight: 60 }}>{item.description}</p>

                <div style={{ marginTop: 20 }}>
                  {item.features_list && item.features_list.map((feat, i) => (
                    <div key={i} style={{ 
                      display: 'flex', alignItems: 'center', marginBottom: 8, color: item.color 
                    }}>
                      <div style={{ width: 6, height: 6, background: item.color, marginRight: 10, borderRadius: '50%' }} />
                      {feat}
                    </div>
                  ))}
                </div>

                <Button 
                  type="link" 
                  style={{ padding: 0, marginTop: 20, color: '#fff' }}
                  icon={<RightOutlined />}
                  onClick={(e) => {
                      e.stopPropagation();
                      navigate(`/services/${item.id}`);
                  }}
                >
                  了解更多
                </Button>
              </div>
            </motion.div>
          </Col>
        ))}
      </Row>

      {/* 动态流程图优化 */}
      <motion.div 
        initial={{ opacity: 0 }}
        whileInView={{ opacity: 1 }}
        viewport={{ once: true }}
        transition={{ duration: 1 }}
        style={{ 
          marginTop: 100, 
          padding: '60px 20px', 
          background: 'linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,185,107,0.05) 100%)', 
          borderRadius: 30, 
          border: '1px solid rgba(255,255,255,0.05)',
          position: 'relative',
          overflow: 'hidden'
        }}
      >
        <div style={{ position: 'absolute', top: -50, right: -50, width: 200, height: 200, background: 'radial-gradient(circle, rgba(0,240,255,0.1) 0%, transparent 70%)', filter: 'blur(30px)' }} />
        
        <Title level={2} style={{ color: '#fff', marginBottom: 60, textAlign: 'center' }}>
          <span className="neon-text-green">服务流程</span>
        </Title>

        <Row justify="center" gutter={[0, 40]} style={{ position: 'relative' }}>
          {[
            { title: '需求分析', icon: <SearchOutlined />, desc: '深度沟通需求' },
            { title: '数据准备', icon: <DatabaseOutlined />, desc: '高效数据处理' },
            { title: '模型训练', icon: <ThunderboltOutlined />, desc: '高性能算力' },
            { title: '测试验证', icon: <CheckCircleOutlined />, desc: '多维精度测试' },
            { title: '私有化部署', icon: <CloudServerOutlined />, desc: '全栈落地部署' }
          ].map((step, i) => (
            <Col key={i} xs={24} sm={12} md={4}>
              <div style={{ display: 'flex', flexDirection: 'column', alignItems: 'center', position: 'relative' }}>
                <motion.div
                  initial={{ scale: 0, opacity: 0 }}
                  whileInView={{ scale: 1, opacity: 1 }}
                  transition={{ delay: i * 0.2, type: 'spring', stiffness: 100 }}
                  whileHover={{ y: -10 }}
                  style={{
                    width: 80,
                    height: 80,
                    borderRadius: '24px',
                    background: 'rgba(255, 255, 255, 0.03)',
                    border: '1px solid rgba(0, 185, 107, 0.3)',
                    display: 'flex',
                    alignItems: 'center',
                    justifyContent: 'center',
                    fontSize: 32,
                    color: '#00b96b',
                    marginBottom: 20,
                    boxShadow: '0 8px 32px rgba(0,0,0,0.4)',
                    backdropFilter: 'blur(10px)',
                    zIndex: 2
                  }}
                >
                  {step.icon}
                </motion.div>
                
                <motion.div
                  initial={{ opacity: 0, y: 10 }}
                  whileInView={{ opacity: 1, y: 0 }}
                  transition={{ delay: i * 0.2 + 0.3 }}
                >
                  <div style={{ color: '#fff', fontSize: 18, fontWeight: 'bold', marginBottom: 8 }}>{step.title}</div>
                  <div style={{ color: '#666', fontSize: 12 }}>{step.desc}</div>
                </motion.div>

                {/* 连接线 */}
                {i < 4 && (
                  <div className="process-line" style={{
                    position: 'absolute',
                    top: 40,
                    right: '-50%',
                    width: '100%',
                    height: '2px',
                    background: 'linear-gradient(90deg, #1890ff33, #1890ff00)',
                    zIndex: 1,
                    display: 'none'
                  }} />
                )}
              </div>
            </Col>
          ))}
        </Row>

        <style>{`
          @media (min-width: 768px) {
            .process-line { display: block !important; }
          }
          .neon-text-green {
            text-shadow: 0 0 10px rgba(0, 185, 107, 0.5);
          }
        `}</style>
      </motion.div>
    </div>
  );
};

export default AIServices;
