/**
 * KRA - MCP Tools测试
 * 对应 GVA: view/systemTools/autoCode/mcpTest.vue
 */
import React, { useState, useEffect } from 'react';
import { PageContainer } from '@ant-design/pro-components';
import { Card, Row, Col, Button, Modal, Form, Input, Select, message, Tooltip, Image } from 'antd';
import { PlayCircleOutlined, CopyOutlined } from '@ant-design/icons';
import { mcpList, mcpTest } from '@/services/kratos/autoCode';

interface McpTool {
  name: string;
  description: string;
  inputSchema?: {
    properties?: Record<string, {
      type: string;
      description?: string;
      enum?: string[];
      default?: any;
    }>;
    required?: string[];
  };
}

interface McpServerConfig {
  mcpServers: Record<string, { url: string }>;
}

const MCPTest: React.FC = () => {
  const [tools, setTools] = useState<McpTool[]>([]);
  const [serverConfig, setServerConfig] = useState<string>('');
  const [testModalVisible, setTestModalVisible] = useState(false);
  const [currentTool, setCurrentTool] = useState<McpTool | null>(null);
  const [testResult, setTestResult] = useState<any>(null);
  const [form] = Form.useForm();

  const fetchTools = async () => {
    const res = await mcpList();
    if (res.code === 0 && res.data?.list?.tools) {
      setTools(res.data.list.tools);
      setServerConfig(JSON.stringify(res.data.mcpServerConfig, null, 2));
    }
  };

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

  const copyConfig = () => {
    navigator.clipboard.writeText(serverConfig);
    message.success('配置已复制到剪贴板');
  };

  const openTestModal = (tool: McpTool) => {
    setCurrentTool(tool);
    setTestResult(null);
    form.resetFields();
    
    // 设置默认值
    if (tool.inputSchema?.properties) {
      const initialValues: Record<string, any> = {};
      Object.entries(tool.inputSchema.properties).forEach(([key, prop]) => {
        if (prop.default !== undefined) {
          initialValues[key] = prop.default;
        } else if (prop.type === 'boolean') {
          initialValues[key] = false;
        }
      });
      form.setFieldsValue(initialValues);
    }
    
    setTestModalVisible(true);
  };

  const handleTest = async () => {
    if (!currentTool) return;
    
    try {
      const values = await form.validateFields();
      
      // 处理 object/array 类型的 JSON 解析
      if (currentTool.inputSchema?.properties) {
        Object.entries(currentTool.inputSchema.properties).forEach(([key, prop]) => {
          if ((prop.type === 'object' || prop.type === 'array') && values[key]) {
            try {
              values[key] = JSON.parse(values[key]);
            } catch (e) {
              message.error(`参数 ${key} 的JSON格式无效`);
              throw e;
            }
          }
        });
      }

      const res = await mcpTest({
        name: currentTool.name,
        arguments: values,
      });
      
      setTestResult(res.data);
      if (res.code === 0) {
        message.success('API调用成功');
      }
    } catch (error) {
      // 验证失败或JSON解析失败
    }
  };

  const renderTestResult = () => {
    if (!testResult) return null;
    
    if (typeof testResult === 'string') {
      return <pre style={{ background: '#f5f5f5', padding: 10, borderRadius: 4, whiteSpace: 'pre-wrap' }}>{testResult}</pre>;
    }
    
    if (testResult.type === 'image' && testResult.content) {
      return <Image src={testResult.content} style={{ maxWidth: '100%', maxHeight: 300 }} />;
    }
    
    if (testResult.type === 'text' && testResult.content) {
      return <pre style={{ background: '#f5f5f5', padding: 10, borderRadius: 4, whiteSpace: 'pre-wrap' }}>{testResult.content}</pre>;
    }
    
    return <pre style={{ background: '#f5f5f5', padding: 10, borderRadius: 4, whiteSpace: 'pre-wrap' }}>{JSON.stringify(testResult, null, 2)}</pre>;
  };

  return (
    <PageContainer>
      <Card
        title="MCP 服务器配置示例"
        extra={
          <Tooltip title="复制配置">
            <Button icon={<CopyOutlined />} onClick={copyConfig} />
          </Tooltip>
        }
        style={{ marginBottom: 16 }}
      >
        <pre style={{ background: '#f5f5f5', padding: 10, borderRadius: 4, whiteSpace: 'pre-wrap' }}>
          {serverConfig}
        </pre>
      </Card>

      <Row gutter={[16, 16]}>
        {tools.map((tool) => (
          <Col key={tool.name} xs={24} sm={12} lg={8}>
            <Card
              title={tool.name}
              extra={
                <Tooltip title="测试工具">
                  <Button
                    icon={<PlayCircleOutlined />}
                    onClick={() => openTestModal(tool)}
                  />
                </Tooltip>
              }
              style={{ minHeight: 200 }}
            >
              <p style={{ marginBottom: 8 }}>{tool.description}</p>
              {tool.inputSchema?.properties && Object.keys(tool.inputSchema.properties).length > 0 && (
                <div style={{ fontSize: 12, color: '#666', borderTop: '1px solid #f0f0f0', paddingTop: 8 }}>
                  <strong>参数列表 ({Object.keys(tool.inputSchema.properties).length})</strong>
                  <div style={{ maxHeight: 100, overflow: 'auto', marginTop: 8 }}>
                    {Object.entries(tool.inputSchema.properties).map(([name, prop]) => (
                      <div key={name} style={{ padding: '4px 0', borderBottom: '1px solid #f5f5f5' }}>
                        <span style={{ fontWeight: 500 }}>{name}</span>
                        {tool.inputSchema?.required?.includes(name) && <span style={{ color: 'red' }}>*</span>}
                        <span style={{ marginLeft: 8, background: '#e6f7ff', padding: '0 4px', borderRadius: 2 }}>{prop.type}</span>
                        <div style={{ color: '#999', fontSize: 11 }}>{prop.description || '无描述'}</div>
                      </div>
                    ))}
                  </div>
                </div>
              )}
              {(!tool.inputSchema?.properties || Object.keys(tool.inputSchema.properties).length === 0) && (
                <div style={{ color: '#999', fontStyle: 'italic', textAlign: 'center', padding: 16 }}>
                  无输入参数
                </div>
              )}
            </Card>
          </Col>
        ))}
      </Row>

      <Modal
        title={currentTool ? `${currentTool.name} - 参数测试` : '参数测试'}
        open={testModalVisible}
        onCancel={() => setTestModalVisible(false)}
        onOk={handleTest}
        okText="测试"
        width={600}
      >
        {currentTool && (
          <Form form={form} layout="vertical">
            {currentTool.inputSchema?.properties && Object.entries(currentTool.inputSchema.properties).map(([name, prop]) => (
              <Form.Item
                key={name}
                label={prop.description || name}
                name={name}
                rules={currentTool.inputSchema?.required?.includes(name) ? [{ required: true, message: `请输入 ${prop.description || name}` }] : []}
              >
                {prop.type === 'boolean' ? (
                  <Select>
                    <Select.Option value={true}>True</Select.Option>
                    <Select.Option value={false}>False</Select.Option>
                  </Select>
                ) : prop.enum ? (
                  <Select>
                    {prop.enum.map((v) => (
                      <Select.Option key={v} value={v}>{v}</Select.Option>
                    ))}
                  </Select>
                ) : prop.type === 'number' ? (
                  <Input type="number" placeholder={prop.description || `请输入${name}`} />
                ) : prop.type === 'object' || prop.type === 'array' ? (
                  <Input.TextArea rows={3} placeholder={`${prop.description || name} (请输入JSON格式)`} />
                ) : (
                  <Input placeholder={prop.description || `请输入${name}`} />
                )}
              </Form.Item>
            ))}
          </Form>
        )}
        
        {testResult && (
          <div style={{ marginTop: 16, padding: 16, border: '1px solid #f0f0f0', borderRadius: 4 }}>
            <h4>API 返回结果:</h4>
            {renderTestResult()}
          </div>
        )}
      </Modal>
    </PageContainer>
  );
};

export default MCPTest;