import React, { useState } from "react";
import { getProviderLogoAndName } from "../provider_info_helpers";

interface VectorStoreContent {
  text: string;
  type: string;
}

interface VectorStoreResult {
  score: number;
  content: VectorStoreContent[];
}

interface VectorStoreSearchResponse {
  data: VectorStoreResult[];
  search_query: string;
}

interface VectorStoreRequestMetadata {
  query: string;
  end_time: number;
  start_time: number;
  vector_store_id: string;
  custom_llm_provider: string;
  vector_store_search_response: VectorStoreSearchResponse;
}

interface VectorStoreViewerProps {
  data: VectorStoreRequestMetadata[];
}

export function VectorStoreViewer({ data }: VectorStoreViewerProps) {
  const [sectionExpanded, setSectionExpanded] = useState(true);
  const [expandedResults, setExpandedResults] = useState<Record<string, boolean>>({});

  if (!data || data.length === 0) {
    return null;
  }

  const formatTime = (timestamp: number): string => {
    const date = new Date(timestamp * 1000);
    return date.toLocaleString();
  };

  const calculateDuration = (start: number, end: number): string => {
    const duration = (end - start) * 1000; // convert to milliseconds
    return `${duration.toFixed(2)}ms`;
  };

  const toggleResult = (index: number, resultIndex: number) => {
    const key = `${index}-${resultIndex}`;
    setExpandedResults(prev => ({
      ...prev,
      [key]: !prev[key]
    }));
  };

  return (
    <div className="bg-white rounded-lg shadow mb-6">
      <div 
        className="flex justify-between items-center p-4 border-b cursor-pointer hover:bg-gray-50"
        onClick={() => setSectionExpanded(!sectionExpanded)}
      >
        <div className="flex items-center">
          <svg 
            className={`w-5 h-5 mr-2 text-gray-600 transition-transform ${sectionExpanded ? 'transform rotate-90' : ''}`}
            fill="none" 
            stroke="currentColor" 
            viewBox="0 0 24 24"
          >
            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 5l7 7-7 7" />
          </svg>
          <h3 className="text-lg font-medium">Vector Store Requests</h3>
        </div>
        <span className="text-sm text-gray-500">{sectionExpanded ? 'Click to collapse' : 'Click to expand'}</span>
      </div>
      
      {sectionExpanded && (
        <div className="p-4">
          {data.map((request, index) => (
            <div key={index} className="mb-6 last:mb-0">
              <div className="bg-white rounded-lg border p-4 mb-4">
                <div className="grid grid-cols-2 gap-4">
                  <div className="space-y-2">
                    <div className="flex">
                      <span className="font-medium w-1/3">Query:</span>
                      <span className="font-mono">{request.query}</span>
                    </div>
                    <div className="flex">
                      <span className="font-medium w-1/3">Vector Store ID:</span>
                      <span className="font-mono">{request.vector_store_id}</span>
                    </div>
                    <div className="flex">
                      <span className="font-medium w-1/3">Provider:</span>
                      <span className="flex items-center">
                        {(() => {
                          const { logo, displayName } = getProviderLogoAndName(request.custom_llm_provider);
                          return (
                            <>
                              {logo && (
                                <img 
                                  src={logo} 
                                  alt={`${displayName} logo`} 
                                  className="h-5 w-5 mr-2" 
                                />
                              )}
                              {displayName}
                            </>
                          );
                        })()}
                      </span>
                    </div>
                  </div>
                  <div className="space-y-2">
                    <div className="flex">
                      <span className="font-medium w-1/3">Start Time:</span>
                      <span>{formatTime(request.start_time)}</span>
                    </div>
                    <div className="flex">
                      <span className="font-medium w-1/3">End Time:</span>
                      <span>{formatTime(request.end_time)}</span>
                    </div>
                    <div className="flex">
                      <span className="font-medium w-1/3">Duration:</span>
                      <span>{calculateDuration(request.start_time, request.end_time)}</span>
                    </div>
                  </div>
                </div>
              </div>

              <h4 className="font-medium mb-2">Search Results</h4>
              <div className="space-y-2">
                {request.vector_store_search_response.data.map((result, resultIndex) => {
                  const isExpanded = expandedResults[`${index}-${resultIndex}`] || false;
                  
                  return (
                    <div key={resultIndex} className="border rounded-lg overflow-hidden">
                      <div 
                        className="flex items-center p-3 bg-gray-50 cursor-pointer"
                        onClick={() => toggleResult(index, resultIndex)}
                      >
                        <svg 
                          className={`w-5 h-5 mr-2 transition-transform ${isExpanded ? 'transform rotate-90' : ''}`}
                          fill="none" 
                          stroke="currentColor" 
                          viewBox="0 0 24 24"
                        >
                          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 5l7 7-7 7" />
                        </svg>
                        <div className="flex items-center">
                          <span className="font-medium mr-2">Result {resultIndex + 1}</span>
                          <span className="text-gray-500 text-sm">
                            Score: <span className="font-mono">{result.score.toFixed(4)}</span>
                          </span>
                        </div>
                      </div>
                      
                      {isExpanded && (
                        <div className="p-3 border-t bg-white">
                          {result.content.map((content, contentIndex) => (
                            <div key={contentIndex} className="mb-2 last:mb-0">
                              <div className="text-xs text-gray-500 mb-1">{content.type}</div>
                              <pre className="text-xs font-mono whitespace-pre-wrap break-all bg-gray-50 p-2 rounded">
                                {content.text}
                              </pre>
                            </div>
                          ))}
                        </div>
                      )}
                    </div>
                  );
                })}
              </div>
            </div>
          ))}
        </div>
      )}
    </div>
  );
}