import { Terminal, Play, CheckCircle, AlertCircle } from 'lucide-react'
import { Card, CardHeader, CardTitle } from './ui/Card'
import { useStrom } from '../lib/useEventStream'

interface LiveLogEntry {
  id: string
  timestamp: string
  level: 'info' | 'warning' | 'error' | 'success'
  message: string
  source: string
}

export default function LiveLogSection() {
  // Vorher: zwei eigene Taktgeber (alle 5 s /jobs und /logs) = 24 Anfragen pro
  // Minute allein aus diesem Kasten. Jetzt kommt beides aus der einen offenen
  // Verbindung, die der Provider haelt.
  const { jobs, logs } = useStrom()
  const currentJob =
    jobs.find((j: any) => j.status === 'processing' || j.status === 'transcoding') ||
    jobs.find((j: any) => j.status === 'pending') ||
    null

  const getStatusColor = (level: string) => {
    switch (level) {
      case 'error': return 'text-rose-500 dark:text-rose-400'
      case 'warning': return 'text-amber-500 dark:text-amber-400'
      case 'success': return 'text-emerald-500 dark:text-emerald-400'
      default: return 'text-sky-500 dark:text-sky-400'
    }
  }

  const getStatusIcon = (level: string) => {
    switch (level) {
      case 'error': return <AlertCircle size={15} />
      case 'warning': return <AlertCircle size={15} />
      case 'success': return <CheckCircle size={15} />
      default: return <Terminal size={15} />
    }
  }

  return (
    <Card className="overflow-hidden">
      <CardHeader>
        <div>
          <CardTitle>Live-Log</CardTitle>
          <p className="text-sm text-slate-500 dark:text-slate-400">
            {currentJob 
              // `type?.` ist hier kein Beiwerk: Ein frisch angelegter Job kann
              // noch ohne Typ ankommen, und ohne das Fragezeichen riss diese
              // eine Zeile am 29.08.2026 die GANZE Oberflaeche mit.
              ? `Aktiver Job: ${currentJob.type?.toUpperCase() || 'Disc'} (${currentJob.progress ?? 0}%)`
              : 'Kein aktiver Job'}
          </p>
        </div>
        {currentJob && (
          <div className="flex items-center gap-2">
            <div className={`px-3 py-1 rounded-full text-xs font-medium flex items-center gap-2 border ${
              currentJob.progress === 100 
                ? 'bg-emerald-500/15 text-emerald-600 dark:text-emerald-400 border-emerald-500/30'
                : 'bg-sky-500/15 text-sky-600 dark:text-sky-400 border-sky-500/30'
            }`}>
              {currentJob.progress === 100 ? <CheckCircle size={12} /> : <Play size={12} />}
              {currentJob.progress}%
            </div>
          </div>
        )}
      </CardHeader>

      <div className="max-h-[380px] overflow-y-auto p-4 space-y-2 font-mono text-xs bg-slate-900/90 text-slate-200 border-b border-slate-800">
        {logs.length === 0 ? (
          <div className="text-center py-8 text-slate-500">
            <Terminal size={32} className="mx-auto mb-2 opacity-50" />
            <p>Warte auf Log-Einträge...</p>
          </div>
        ) : (
          logs.map((log) => (
            <div key={log.id} className="flex items-start gap-2 text-slate-300">
              <span className="text-slate-500 whitespace-nowrap">
                {new Date(log.timestamp).toLocaleTimeString('de-DE', { hour12: false })}
              </span>
              <span className={`font-bold ${getStatusColor(log.level)}`}>
                [{log.source}]
              </span>
              <span className="flex-1 text-slate-200">{log.message}</span>
              <span className={getStatusColor(log.level)}>
                {getStatusIcon(log.level)}
              </span>
            </div>
          ))
        )}
      </div>

      {/* Quick Stats */}
      {currentJob && (
        <div className="px-6 py-3 grid grid-cols-3 gap-4 bg-slate-50/50 dark:bg-slate-900/50">
          <div>
            <p className="text-xs text-slate-500 dark:text-slate-400">Fortschritt</p>
            <p className="text-lg font-bold text-slate-900 dark:text-slate-100">
              {currentJob.progress}%
            </p>
          </div>
          <div>
            <p className="text-xs text-slate-500 dark:text-slate-400">Gerät</p>
            <p className="text-sm font-medium text-slate-700 dark:text-slate-300">
              {currentJob.device || 'Unbekannt'}
            </p>
          </div>
          <div>
            <p className="text-xs text-slate-500 dark:text-slate-400">Typ</p>
            <p className="text-sm font-medium text-slate-700 dark:text-slate-300">
              {currentJob.type?.toUpperCase() || 'Unbekannt'}
            </p>
          </div>
        </div>
      )}
    </Card>
  )
}