import { useState, useEffect } from 'react'
import './GoogleImport.css'

function GoogleImport({ eventId, onImportComplete }) {
  const [importing, setImporting] = useState(false)

  useEffect(() => {
    // Check if we just returned from Google OAuth import
    const justImported = sessionStorage.getItem('googleImportJustCompleted')
    
    if (justImported) {
      // Show success message
      const importedCount = sessionStorage.getItem('googleImportCount')
      const importedEmail = sessionStorage.getItem('googleImportEmail')
      
      if (importedCount) {
        alert(`יובאו בהצלחה ${importedCount} אנשי קשר מחשבון Google של ${importedEmail}!`)
      }
      
      // Clean up
      sessionStorage.removeItem('googleImportJustCompleted')
      sessionStorage.removeItem('googleImportCount')
      sessionStorage.removeItem('googleImportEmail')
      
      // Trigger parent refresh
      if (onImportComplete) {
        onImportComplete()
      }
      
      setImporting(false)
    }
  }, [onImportComplete])

  const handleGoogleImport = () => {
    if (!eventId) {
      alert('אנא בחר אירוע תחילה')
      return
    }
    
    setImporting(true)
    // Set flag so we know to show success message when we return
    sessionStorage.setItem('googleImportStarted', 'true')
    
    // Redirect to backend OAuth endpoint with event_id as state
    const apiUrl = window.ENV?.VITE_API_URL || import.meta.env.VITE_API_URL || 'http://localhost:8000'
    
    window.location.href = `${apiUrl}/auth/google?event_id=${encodeURIComponent(eventId)}`
  }

  return (
    <button
      className="btn btn-google"
      onClick={handleGoogleImport}
      disabled={importing || !eventId}
      title={!eventId ? 'בחר אירוע תחילה' : 'ייבוא אנשי קשר מ-Google'}
    >
      {importing ? (
        '⏳ מייבא...'
      ) : (
        <>
          <svg viewBox="0 0 24 24" width="18" height="18">
            <path
              fill="currentColor"
              d="M22.56 12.25c0-.78-.07-1.53-.2-2.25H12v4.26h5.92c-.26 1.37-1.04 2.53-2.21 3.31v2.77h3.57c2.08-1.92 3.28-4.74 3.28-8.09z"
            />
            <path
              fill="currentColor"
              d="M12 23c2.97 0 5.46-.98 7.28-2.66l-3.57-2.77c-.98.66-2.23 1.06-3.71 1.06-2.86 0-5.29-1.93-6.16-4.53H2.18v2.84C3.99 20.53 7.7 23 12 23z"
            />
            <path
              fill="currentColor"
              d="M5.84 14.09c-.22-.66-.35-1.36-.35-2.09s.13-1.43.35-2.09V7.07H2.18C1.43 8.55 1 10.22 1 12s.43 3.45 1.18 4.93l2.85-2.22.81-.62z"
            />
            <path
              fill="currentColor"
              d="M12 5.38c1.62 0 3.06.56 4.21 1.64l3.15-3.15C17.45 2.09 14.97 1 12 1 7.7 1 3.99 3.47 2.18 7.07l3.66 2.84c.87-2.6 3.3-4.53 6.16-4.53z"
            />
          </svg>
          ייבוא מ-Google
        </>
      )}
    </button>
  )
}

export default GoogleImport
