import React, { useState, useEffect } from 'react';
import { useDispatch, useSelector } from 'react-redux';
import { fetchSources, addSource, deleteSource, clearError } from '../store/reducers/sourcesSlice';
import KeywordTrendAnalyzer from '../components/KeywordTrendAnalyzer';

const Sources = () => {
  const dispatch = useDispatch();
  const { items: sources, loading, error } = useSelector(state => state.sources);
  
  const [newSource, setNewSource] = useState('');
  const [isAdding, setIsAdding] = useState(false);
  const [successMessage, setSuccessMessage] = useState('');
  const [deletingSources, setDeletingSources] = useState(new Set());
  const [validationError, setValidationError] = useState('');
  
  useEffect(() => {
    dispatch(fetchSources());
    dispatch(clearError());
  }, [dispatch]);
  
  const validateInput = (input) => {
    // Check if it's a valid URL
    try {
      const urlObj = new URL(input);
      return urlObj.protocol === 'http:' || urlObj.protocol === 'https:';
    } catch {
      // If not a URL, check if it's a valid keyword (non-empty string)
      return typeof input === 'string' && input.trim().length > 0;
    }
  };
  
  const handleAddSource = async (e) => {
    e.preventDefault();
    
    if (!newSource.trim()) {
      setValidationError('Please enter a RSS feed URL or keyword');
      return;
    }
    
    if (!validateInput(newSource)) {
      setValidationError('Please enter a valid URL (http:// or https://) or keyword');
      return;
    }
    
    setValidationError('');
    setIsAdding(true);
    
    try {
      await dispatch(addSource({ source: newSource })).unwrap();
      setNewSource('');
      setSuccessMessage('Source added successfully!');
      // Clear success message after 3 seconds
      setTimeout(() => setSuccessMessage(''), 3000);
    } catch (err) {
      console.error('Failed to add source:', err);
      setValidationError('Failed to add source. Please try again.');
    } finally {
      setIsAdding(false);
    }
  };
  
  const handleDeleteSource = async (sourceId) => {
    // Add sourceId to deletingSources set
    setDeletingSources(prev => new Set(prev).add(sourceId));
    
    try {
      await dispatch(deleteSource(sourceId)).unwrap();
    } catch (err) {
      console.error('Failed to delete source:', err);
      setValidationError('Failed to delete source. Please try again.');
    } finally {
      // Remove sourceId from deletingSources set
      setDeletingSources(prev => {
        const newSet = new Set(prev);
        newSet.delete(sourceId);
        return newSet;
      });
    }
  };
  
  // Get source statistics
  const totalSources = sources.length;
  const updatedSources = sources.filter(source => source.last_update).length;
  const categories = [...new Set(sources.map(source => source.category || 'Uncategorized'))];
  
  // Remove the full-page loading screen
  
  return (
    <div className="sources-page min-h-screen bg-gradient-to-br from-gray-50 via-white to-gray-50 p-3 sm:p-4 lg:p-6">
      <div className="max-w-7xl mx-auto">
        {/* Header Section */}
        <div className="sources-header mb-6 sm:mb-8 lg:mb-10 animate-slide-up">
          <div className="flex flex-col sm:flex-row sm:items-center sm:justify-between mb-3 sm:mb-4 gap-4">
            <div className="flex-1">
              <h1 className="sources-title text-2xl sm:text-3xl lg:text-4xl font-bold bg-gradient-to-r from-gray-900 via-gray-800 to-gray-900 bg-clip-text text-transparent mb-1 sm:mb-2">
                RSS Sources
              </h1>
              <p className="sources-subtitle text-base sm:text-lg text-gray-600 font-medium max-w-2xl sm:max-w-3xl">
                Manage your RSS feed sources for intelligent content aggregation and curation
              </p>
            </div>
            <div className="hidden sm:block lg:block">
              <div className="w-12 h-12 sm:w-16 sm:h-16 bg-gradient-to-br from-orange-500 to-red-600 rounded-2xl shadow-lg flex items-center justify-center">
                <svg className="w-6 h-6 sm:w-8 sm:h-8 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19.428 15.428a2 2 0 00-1.022-.547l-2.387-.477a6 6 0 00-3.86.517l-.318.158a6 6 0 01-3.86.517L6.05 15.21a2 2 0 00-1.806.547M8 4h8l-1 1v5.172a2 2 0 00.586 1.414l5 5c1.26 1.26.367 3.414-1.415 3.414H4.828c-1.782 0-2.674-2.154-1.414-3.414l5-5A2 2 0 009 10.172V5L8 4z" />
                </svg>
              </div>
            </div>
          </div>
          
          {/* Stats Cards */}
          <div className="grid grid-cols-2 sm:grid-cols-2 lg:grid-cols-4 gap-3 sm:gap-4 mt-6 sm:mt-8">
            <div className="bg-white/80 backdrop-blur-sm rounded-xl p-3 sm:p-4 border border-gray-200/50 shadow-sm hover:shadow-md transition-all duration-300">
              <div className="flex items-center justify-between">
                <div>
                  <p className="text-xs sm:text-sm font-medium text-gray-600">Total Sources</p>
                  <p className="text-lg sm:text-2xl font-bold text-gray-900">{totalSources}</p>
                </div>
                <div className="w-8 h-8 sm:w-10 sm:h-10 bg-orange-100 rounded-lg flex items-center justify-center">
                  <svg className="w-4 h-4 sm:w-5 sm:h-5 text-orange-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M7 7h.01M7 3h5c.512 0 1.024.195 1.414.586l7 7a2 2 0 010 2.828l-7 7a2 2 0 01-2.828 0l-7-7A1.994 1.994 0 013 12V7a4 4 0 014-4z" />
                  </svg>
                </div>
              </div>
            </div>
            
            <div className="bg-white/80 backdrop-blur-sm rounded-xl p-3 sm:p-4 border border-gray-200/50 shadow-sm hover:shadow-md transition-all duration-300">
              <div className="flex items-center justify-between">
                <div>
                  <p className="text-xs sm:text-sm font-medium text-gray-600">Updated</p>
                  <p className="text-lg sm:text-2xl font-bold text-gray-900">{updatedSources}</p>
                </div>
                <div className="w-8 h-8 sm:w-10 sm:h-10 bg-green-100 rounded-lg flex items-center justify-center">
                  <svg className="w-4 h-4 sm:w-5 sm:h-5 text-green-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z" />
                  </svg>
                </div>
              </div>
            </div>
            
            <div className="bg-white/80 backdrop-blur-sm rounded-xl p-3 sm:p-4 border border-gray-200/50 shadow-sm hover:shadow-md transition-all duration-300">
              <div className="flex items-center justify-between">
                <div>
                  <p className="text-xs sm:text-sm font-medium text-gray-600">Categories</p>
                  <p className="text-lg sm:text-2xl font-bold text-gray-900">{categories.length}</p>
                </div>
                <div className="w-8 h-8 sm:w-10 sm:h-10 bg-blue-100 rounded-lg flex items-center justify-center">
                  <svg className="w-4 h-4 sm:w-5 sm:h-5 text-blue-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M7 7h.01M7 3h5c.512 0 1.024.195 1.414.586l7 7a2 2 0 010 2.828l-7 7a2 2 0 01-2.828 0l-7-7A1.994 1.994 0 013 12V7a4 4 0 014-4z" />
                  </svg>
                </div>
              </div>
            </div>
            
            <div className="bg-white/80 backdrop-blur-sm rounded-xl p-3 sm:p-4 border border-gray-200/50 shadow-sm hover:shadow-md transition-all duration-300">
              <div className="flex items-center justify-between">
                <div>
                  <p className="text-xs sm:text-sm font-medium text-gray-600">Active</p>
                  <p className="text-lg sm:text-2xl font-bold text-gray-900">
                    {Math.round((updatedSources / totalSources) * 100) || 0}%
                  </p>
                </div>
                <div className="w-8 h-8 sm:w-10 sm:h-10 bg-purple-100 rounded-lg flex items-center justify-center">
                  <svg className="w-4 h-4 sm:w-5 sm:h-5 text-purple-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 10V3L4 14h7v7l9-11h-7z" />
                  </svg>
                </div>
              </div>
            </div>
          </div>
        </div>
        
        {/* Error Display */}
        {error && (
          <div className="mb-6 sm:mb-8 animate-fade-in">
            <div className="bg-red-50 border border-red-200 rounded-xl p-3 sm:p-4 flex items-start space-x-3">
              <div className="flex-shrink-0">
                <svg className="w-4 h-4 sm:w-5 sm:h-5 text-red-400" fill="currentColor" viewBox="0 0 20 20">
                  <path fillRule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zM8.707 7.293a1 1 0 00-1.414 1.414L8.586 10l-1.293 1.293a1 1 0 101.414 1.414L10 11.414l1.293 1.293a1 1 0 001.414-1.414L11.414 10l1.293-1.293a1 1 0 00-1.414-1.414L10 8.586 8.707 7.293z" clipRule="evenodd" />
                </svg>
              </div>
              <div className="flex-1">
                <p className="text-xs sm:text-sm font-medium text-red-800">{error}</p>
              </div>
            </div>
          </div>
        )}
        
        {/* Validation Error */}
        {validationError && (
          <div className="mb-6 sm:mb-8 animate-fade-in">
            <div className="bg-yellow-50 border border-yellow-200 rounded-xl p-3 sm:p-4 flex items-start space-x-3">
              <div className="flex-shrink-0">
                <svg className="w-4 h-4 sm:w-5 sm:h-5 text-yellow-400" fill="currentColor" viewBox="0 0 20 20">
                  <path fillRule="evenodd" d="M8.257 3.099c.765-1.36 2.722-1.36 3.486 0l5.58 9.92c.75 1.334-.213 2.98-1.742 2.98H4.42c-1.53 0-2.493-1.646-1.743-2.98l5.58-9.92zM11 13a1 1 0 11-2 0 1 1 0 012 0zm-1-8a1 1 0 00-1 1v3a1 1 0 002 0V6a1 1 0 00-1-1z" clipRule="evenodd" />
                </svg>
              </div>
              <div className="flex-1">
                <p className="text-xs sm:text-sm font-medium text-yellow-800">{validationError}</p>
              </div>
            </div>
          </div>
        )}
        
        {/* Success Message */}
        {successMessage && (
          <div className="mb-6 sm:mb-8 animate-fade-in">
            <div className="bg-green-50 border border-green-200 rounded-xl p-3 sm:p-4 flex items-start space-x-3">
              <div className="flex-shrink-0">
                <svg className="w-4 h-4 sm:w-5 sm:h-5 text-green-400" fill="currentColor" viewBox="0 0 20 20">
                  <path fillRule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zm3.707-9.293a1 1 0 00-1.414-1.414L9 10.586 7.707 9.293a1 1 0 00-1.414 1.414l2 2a1 1 0 001.414 0l4-4z" clipRule="evenodd" />
                </svg>
              </div>
              <div className="flex-1">
                <p className="text-xs sm:text-sm font-medium text-green-800">{successMessage}</p>
              </div>
            </div>
          </div>
        )}
        
        <div className="sources-content space-y-6 sm:space-y-8">
          {/* Keyword Analysis Section (appears before Add Source section) */}
          <div className="bg-white/90 backdrop-blur-sm rounded-2xl p-4 sm:p-6 shadow-lg border border-gray-200/30 hover:shadow-xl transition-all duration-300 animate-slide-up">
            <div className="flex items-center justify-between mb-4 sm:mb-6">
              <h2 className="section-title text-xl sm:text-2xl font-bold text-gray-900 flex items-center space-x-2 sm:space-x-3">
                <div className="w-6 h-6 sm:w-8 sm:h-8 bg-gradient-to-br from-cyan-500 to-blue-600 rounded-lg flex items-center justify-center">
                  <svg className="w-3 h-3 sm:w-5 sm:h-5 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z" />
                  </svg>
                </div>
                <span className="text-sm sm:text-base">Keyword Frequency Pattern Analysis</span>
              </h2>
            </div>
            <KeywordTrendAnalyzer />
          </div>
          
          {/* Add Source Section */}
          <div className="add-source-section bg-white/90 backdrop-blur-sm rounded-2xl p-4 sm:p-6 shadow-lg border border-gray-200/30 hover:shadow-xl transition-all duration-300 animate-slide-up">
            <div className="flex items-center justify-between mb-4 sm:mb-6">
              <h2 className="section-title text-xl sm:text-2xl font-bold text-gray-900 flex items-center space-x-2 sm:space-x-3">
                <div className="w-6 h-6 sm:w-8 sm:h-8 bg-gradient-to-br from-orange-500 to-red-600 rounded-lg flex items-center justify-center">
                  <svg className="w-3 h-3 sm:w-5 sm:h-5 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 4v16m8-8H4" />
                  </svg>
                </div>
                <span className="text-sm sm:text-base">Add New RSS Source</span>
              </h2>
            </div>
            
            <form onSubmit={handleAddSource} className="add-source-form space-y-4 sm:space-y-6">
              <div className="form-field">
                <label className="form-label block text-xs sm:text-sm font-semibold text-gray-700 mb-2">RSS Feed URL or Keyword</label>
                <div className="relative">
                  <input
                    type="text"
                    className="form-input w-full px-3 sm:px-4 py-2.5 sm:py-3 pl-10 sm:pl-12 border border-gray-300 rounded-xl focus:ring-2 focus:ring-orange-500 focus:border-transparent transition-all duration-300 bg-white/80 backdrop-blur-sm shadow-sm hover:shadow-md touch-manipulation"
                    placeholder="https://example.com/feed.xml or enter a keyword"
                    value={newSource}
                    onChange={(e) => {
                      setNewSource(e.target.value);
                      if (validationError) setValidationError('');
                    }}
                    required
                    aria-label="RSS feed URL or keyword"
                  />
                  <div className="absolute inset-y-0 left-0 pl-3 sm:pl-4 flex items-center pointer-events-none">
                    <svg className="w-4 h-4 sm:w-5 sm:h-5 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13.828 10.172a4 4 0 00-5.656 0l-4 4a4 4 0 105.656 5.656l1.102-1.101m-.758-4.899a4 4 0 005.656 0l4-4a4 4 0 00-5.656-5.656l-1.1 1.1" />
                    </svg>
                  </div>
                </div>
                <p className="mt-1.5 sm:mt-2 text-xs sm:text-sm text-gray-500">Enter the complete URL of the RSS feed or a keyword to search for sources</p>
              </div>
              
              <div className="flex justify-center pt-1 sm:pt-2">
                <button
                  type="submit"
                  className="btn btn-primary bg-gradient-to-r from-orange-500 to-red-600 text-white py-2.5 sm:py-3 px-6 sm:px-8 rounded-xl font-semibold hover:from-orange-600 hover:to-red-700 transition-all duration-300 shadow-lg hover:shadow-xl disabled:opacity-60 disabled:cursor-not-allowed flex items-center justify-center space-x-2 touch-manipulation active:scale-95"
                  disabled={isAdding}
                  aria-busy={isAdding}
                >
                  {isAdding ? (
                    <>
                      <svg className="animate-spin w-4 h-4 sm:w-5 sm:h-5 text-white" fill="none" viewBox="0 0 24 24">
                        <circle className="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="4"></circle>
                        <path className="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
                      </svg>
                      <span className="text-xs sm:text-sm">Adding...</span>
                    </>
                  ) : (
                    <>
                      <svg className="w-4 h-4 sm:w-5 sm:h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 4v16m8-8H4" />
                      </svg>
                      <span className="text-xs sm:text-sm">Add Source</span>
                    </>
                  )}
                </button>
              </div>
            </form>
          </div>
          
          {/* Sources List Section */}
          <div className="sources-list-section bg-white/90 backdrop-blur-sm rounded-2xl p-4 sm:p-6 shadow-lg border border-gray-200/30 hover:shadow-xl transition-all duration-300 animate-slide-up">
            {loading && (
              <div className="flex items-center justify-center mb-4">
                <div className="animate-spin w-4 h-4 border-2 border-gray-300 border-t-gray-900 rounded-full mr-2"></div>
                <span className="text-sm text-gray-600">Updating sources...</span>
              </div>
            )}
            <div className="flex items-center justify-between mb-4 sm:mb-6">
              <h2 className="section-title text-xl sm:text-2xl font-bold text-gray-900 flex items-center space-x-2 sm:space-x-3">
                <div className="w-6 h-6 sm:w-8 sm:h-8 bg-gradient-to-br from-blue-500 to-cyan-600 rounded-lg flex items-center justify-center">
                  <svg className="w-3 h-3 sm:w-5 sm:h-5 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 11H5m14 0a2 2 0 012 2v6a2 2 0 01-2 2H5a2 2 0 01-2-2v-6a2 2 0 012-2m14 0V9a2 2 0 00-2-2M5 11V9a2 2 0 012-2m0 0V5a2 2 0 012-2h6a2 2 0 012 2v2M7 7h10" />
                  </svg>
                </div>
                <span className="text-sm sm:text-base">Your RSS Sources</span>
              </h2>
              <span className="bg-blue-100 text-blue-800 text-xs sm:text-sm font-medium px-2 sm:px-3 py-0.5 sm:py-1 rounded-full">
                {totalSources} sources
              </span>
            </div>
            
            {sources.length === 0 ? (
              <div className="text-center py-8 sm:py-12">
                <div className="w-12 h-12 sm:w-16 sm:h-16 bg-gray-100 rounded-full flex items-center justify-center mx-auto mb-3 sm:mb-4">
                  <svg className="w-6 h-6 sm:w-8 sm:h-8 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M7 7h.01M7 3h5c.512 0 1.024.195 1.414.586l7 7a2 2 0 010 2.828l-7 7a2 2 0 01-2.828 0l-7-7A1.994 1.994 0 013 12V7a4 4 0 014-4z" />
                  </svg>
                </div>
                <h3 className="text-base sm:text-lg font-semibold text-gray-900 mb-1 sm:mb-2">No RSS sources added yet</h3>
                <p className="text-xs sm:text-sm text-gray-600 mb-4 sm:mb-6">Add your first RSS feed source to start aggregating content</p>
                <div className="bg-gray-50 rounded-lg p-3 sm:p-4 text-left max-w-xs sm:max-w-md mx-auto">
                  <h4 className="font-medium text-gray-900 mb-2 text-sm sm:text-base">Popular RSS Sources:</h4>
                  <ul className="text-xs sm:text-sm text-gray-600 space-y-1">
                    <li>• Tech News: https://techcrunch.com/feed/</li>
                    <li>• Design Inspiration: https://www.smashingmagazine.com/feed/</li>
                    <li>• Programming: https://stackoverflow.com/feeds</li>
                  </ul>
                </div>
              </div>
            ) : (
              <div className="sources-list space-y-3 sm:space-y-4">
                {sources
                  .slice()
                  .sort((a, b) => new Date(b.created_at) - new Date(a.created_at))
                  .map((source, index) => (
                  <div key={source.id} className="source-item group border border-gray-200 rounded-xl bg-gradient-to-r from-gray-50 to-white hover:from-gray-100 hover:to-white transition-all duration-300 hover:shadow-lg animate-fade-in" style={{animationDelay: `${index * 100}ms`}}>
                    <div className="p-4 sm:p-6">
                      <div className="flex flex-col lg:flex-row lg:items-start lg:justify-between gap-4">
                        <div className="flex-1">
                          <div className="flex flex-col sm:flex-row sm:items-start space-y-3 sm:space-y-0 sm:space-x-4">
                            <div className="flex-shrink-0">
                              <div className="w-8 h-8 sm:w-10 sm:h-10 bg-orange-100 rounded-lg flex items-center justify-center">
                                <svg className="w-4 h-4 sm:w-6 sm:h-6 text-orange-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M7 7h.01M7 3h5c.512 0 1.024.195 1.414.586l7 7a2 2 0 010 2.828l-7 7a2 2 0 01-2.828 0l-7-7A1.994 1.994 0 013 12V7a4 4 0 014-4z" />
                                </svg>
                              </div>
                            </div>
                            
                            <div className="flex-1 min-w-0">
                              <div className="source-url text-gray-900 font-medium text-base sm:text-lg break-all mb-1 sm:mb-2">
                                {source.source}
                              </div>
                              
                              <div className="flex flex-wrap items-center gap-2 sm:gap-4 text-xs sm:text-sm">
                                <div className="source-category">
                                  <span className="text-gray-600">Category:</span>
                                  <span className="ml-1 sm:ml-2 px-1.5 py-0.5 sm:px-2 sm:py-1 bg-blue-100 text-blue-800 text-xs font-medium rounded-full">
                                    {source.category || 'Uncategorized'}
                                  </span>
                                </div>
                                
                                <div className="source-date">
                                  <span className="text-gray-600">Added:</span>
                                  <span className="ml-1 sm:ml-2 text-gray-900 font-medium">
                                    {new Date(source.created_at).toLocaleDateString()}
                                  </span>
                                </div>
                                
                                {source.last_update && (
                                  <div className="source-updated">
                                    <span className="text-gray-600">Updated:</span>
                                    <span className="ml-1 sm:ml-2 text-green-600 font-medium">
                                      {new Date(source.last_update).toLocaleDateString()}
                                    </span>
                                  </div>
                                )}
                              </div>
                            </div>
                          </div>
                        </div>
                        
                        <div className="source-actions flex-shrink-0 flex items-center space-x-2 sm:space-x-4">
                          {source.last_update ? (
                            <div className="flex items-center space-x-1 text-green-600">
                              <svg className="w-3 h-3 sm:w-4 sm:h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z" />
                              </svg>
                              <span className="text-xs sm:text-sm font-medium">Active</span>
                            </div>
                          ) : (
                            <div className="flex items-center space-x-1 text-gray-400">
                              <svg className="w-3 h-3 sm:w-4 sm:h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 8v4m0 4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
                              </svg>
                              <span className="text-xs sm:text-sm font-medium">Never updated</span>
                            </div>
                          )}
                          
                          <button
                            className="btn btn-secondary bg-gradient-to-r from-red-500 to-pink-600 text-white py-1.5 px-4 sm:py-2 sm:px-6 rounded-xl font-semibold hover:from-red-600 hover:to-pink-700 transition-all duration-300 shadow-md hover:shadow-lg disabled:opacity-60 disabled:cursor-not-allowed flex items-center justify-center space-x-2 touch-manipulation active:scale-95"
                            onClick={() => handleDeleteSource(source.id)}
                            disabled={deletingSources.has(source.id)}
                          >
                            {deletingSources.has(source.id) ? (
                              <>
                                <svg className="animate-spin w-3 h-3 sm:w-4 sm:h-4 text-white" fill="none" viewBox="0 0 24 24">
                                  <circle className="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="4"></circle>
                                  <path className="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
                                </svg>
                                <span className="text-xs sm:text-sm">Deleting...</span>
                              </>
                            ) : (
                              <>
                                <svg className="w-3 h-3 sm:w-4 sm:h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" />
                                </svg>
                                <span className="text-xs sm:text-sm">Delete</span>
                              </>
                            )}
                          </button>
                        </div>
                      </div>
                    </div>
                  </div>
                ))}
              </div>
            )}
          </div>
        </div>
      </div>
    </div>
  );
};

export default Sources;