import React, { useState, KeyboardEvent } from 'react';
import { FaSearch, FaSpinner, FaTimes } from 'react-icons/fa';
import { getInvidiousSearchURL, INVIDIOUS_BASE_URL } from '../config';

interface InvidiousVideoThumbnail {
  quality: string;
  url: string;
  width: number;
  height: number;
}

interface InvidiousResult {
  type: string;
  title: string;
  videoId: string;
  author: string;
  videoThumbnails?: InvidiousVideoThumbnail[];
}

interface InvidiousSearchModalProps {
  isOpen: boolean;
  onClose: () => void;
  onSelectVideo: (url: string) => void;
}

const ResultCell: React.FC<{ result: InvidiousResult, onClick: () => void }> = ({ result, onClick, ...props }) => {
  const thumbnailUrl = (result: InvidiousResult) => {
    if (!result.videoThumbnails) return '/assets/placeholder.jpg';

    const thumbnail = result.videoThumbnails.find(t => t.quality === 'medium');
    return thumbnail ? `${INVIDIOUS_BASE_URL}${thumbnail.url}` : '/assets/placeholder.jpg';
  };

  return (
    <div className="flex gap-4 bg-black/20 p-2 rounded-lg cursor-pointer hover:bg-black/30 transition-colors" onClick={onClick} {...props}>
      <img src={thumbnailUrl(result)} alt={result.title} className="w-32 h-18 object-cover rounded" />
      <div className="flex flex-col justify-center">
        <h3 className="text-white font-semibold">{result.title}</h3>
        <p className="text-white/60">{result.author}</p>
      </div>
    </div>
  );
};  

const InvidiousSearchModal: React.FC<InvidiousSearchModalProps> = ({ isOpen, onClose, onSelectVideo }) => {
  const [searchQuery, setSearchQuery] = useState('');
  const [results, setResults] = useState<InvidiousResult[]>([]);
  const [isLoading, setIsLoading] = useState(false);

  const handleSearch = async () => {
    if (!searchQuery.trim()) return;
    
    setIsLoading(true);
    try {
      const response = await fetch(getInvidiousSearchURL(searchQuery));
      const data = await response.json();

      const videoResults = data.filter((item: InvidiousResult) => {
        return item.type === 'video' || item.type === 'playlist'
      });

      setResults(videoResults);
    } catch (error) {
      console.error('Failed to search:', error);
    } finally {
      setIsLoading(false);
    }
  };

  const handleKeyDown = (e: KeyboardEvent<HTMLInputElement>) => {
    if (e.key === 'Enter') {
      handleSearch();
    }
  };

  const _onSelectVideo = (url: string) => {
    setSearchQuery('');
    setResults([]);
    onSelectVideo(url);
  };

  if (!isOpen) return null;

  return (
    <div className="fixed inset-0 bg-black/50 flex items-center justify-center z-50">
      <div className="bg-violet-900 w-full max-w-xl rounded-lg p-4 shadow-lg">
        <div className="flex justify-between items-center mb-4">
          <h2 className="text-white text-xl font-bold">Search YouTube (Invidious)</h2>

          <button onClick={onClose} className="text-white/60 hover:text-white">
            <FaTimes size={24} />
          </button>
        </div>

        <div className="flex gap-2 mb-4">
          <input
            type="text"
            autoFocus
            value={searchQuery}
            onChange={(e) => setSearchQuery(e.target.value)}
            onKeyDown={handleKeyDown}
            placeholder="Search videos..."
            className="p-2 rounded-lg border-2 border-violet-500 flex-grow bg-black/20 text-white"
          />

          <button
            onClick={handleSearch}
            disabled={isLoading}
            className="bg-violet-500 text-white p-2 rounded-lg px-4 border-2 border-violet-500 disabled:opacity-50"
          >
            {isLoading ? <span className="animate-spin"><FaSpinner /></span> : <span><FaSearch /></span>}
          </button>
        </div>

        <div className="max-h-[60vh] overflow-y-auto">
          {isLoading ? (
            <div className="text-white text-center py-12">Searching...</div>
          ) : (
            <div className="grid gap-4">
              {results.map((result) => (
                <ResultCell 
                  key={result.videoId} 
                  result={result} 
                  onClick={() => _onSelectVideo(`https://www.youtube.com/watch?v=${result.videoId}`)} 
                />
              ))}
            </div>
          )}
        </div>
      </div>
    </div>
  );
};

export default InvidiousSearchModal;