import React from 'react';
import { Playlist, ServerType, PlexServerConnection } from '../types';
import PlaylistCard from './PlaylistCard';
import { RefreshCw, Server, Cloud, WifiOff, X } from 'lucide-react';

interface ServerPanelProps {
  type: ServerType;
  playlists: Playlist[];
  isLoading: boolean;
  onRefresh: () => void;
  onCancel?: () => void;
  serverInfo?: PlexServerConnection;
}

const ServerPanel: React.FC<ServerPanelProps> = ({ type, playlists, isLoading, onRefresh, onCancel, serverInfo }) => {
  const isLocal = type === ServerType.LOCAL;
  
  let Icon = isLocal ? Server : Cloud;
  let headerColor = isLocal ? 'text-blue-400' : 'text-green-400';
  const borderColor = isLocal ? 'border-blue-500/30' : 'border-green-500/30';
  const bgGradient = isLocal 
    ? 'bg-gradient-to-br from-gray-800/80 to-gray-900/80' 
    : 'bg-gradient-to-bl from-gray-800/80 to-gray-900/80';
  
  // Resolve Title and Subtitle Logic
  let displayTitle = '';
  let displaySubtitle: React.ReactNode = null;

  if (isLocal) {
    displayTitle = 'Local Server';
    displaySubtitle = (
      <p className="text-xs text-gray-400 font-medium mt-0.5 md:mt-0 md:ml-0">
        {playlists.length} Playlists
      </p>
    );
  } else {
    // Cloud Logic
    if (serverInfo) {
      if (serverInfo.isConnected) {
        displayTitle = serverInfo.name || 'Cloud Server';
        displaySubtitle = (
           <div className="flex items-center text-xs text-gray-300 font-medium space-x-1.5 truncate mt-0.5 md:mt-0">
              <span className="text-plex-orange truncate font-semibold">{serverInfo.libraryName}</span>
              <span className="text-gray-600 hidden md:inline">•</span>
              <span className="text-gray-500 font-mono text-[10px] hidden md:inline">{serverInfo.ip}:{serverInfo.port}</span>
           </div>
        );
      } else {
        displayTitle = 'Not Connected';
        Icon = WifiOff;
        headerColor = 'text-red-400';
        displaySubtitle = (
          <p className="text-xs text-gray-500 font-medium mt-0.5">
             Connection failed
          </p>
        );
      }
    } else {
      displayTitle = 'Cloud Server';
      displaySubtitle = (
        <p className="text-xs text-gray-500 font-medium mt-0.5">
           {isLoading ? 'Connecting...' : 'Waiting...'}
        </p>
      );
    }
  }

  // Handle Refresh/Cancel Click
  const handleAction = () => {
    if (isLoading && onCancel) {
      onCancel();
    } else {
      onRefresh();
    }
  };

  return (
    <div className={`flex flex-row md:flex-col h-full ${bgGradient} rounded-2xl border ${borderColor} backdrop-blur-xl shadow-xl overflow-hidden transition-all duration-300`}>
      
      {/* Header */}
      <div 
        className={`
          relative flex-none
          order-last md:order-first
          w-[72px] md:w-full 
          h-full md:h-auto md:min-h-[80px]
          flex flex-col md:flex-row items-center justify-between 
          py-6 md:py-0 md:px-8
          bg-gray-800/60 border-l md:border-l-0 md:border-b border-white/5
        `}
      >
        
        {/* Title Group */}
        <div className="flex flex-col md:flex-row items-center md:space-x-4 overflow-hidden w-full md:w-auto h-full md:h-full md:py-4">
          
          {/* Icon Box */}
          <div className={`p-2.5 rounded-xl bg-gray-900/50 border border-white/5 ${headerColor} shadow-inner flex-shrink-0 mb-4 md:mb-0`}>
            <Icon size={22} strokeWidth={2} />
          </div>

          {/* Text Container */}
          <div className="flex-1 min-w-0 flex flex-col justify-center items-center md:items-start h-full md:h-auto w-full md:w-auto">
             <div className="flex flex-col justify-center w-full md:w-auto [writing-mode:vertical-rl] rotate-180 md:[writing-mode:horizontal-tb] md:rotate-0 items-center md:items-start gap-1 md:gap-0">
                <h2 className="text-sm md:text-lg font-bold text-gray-100 tracking-wide whitespace-nowrap" title={displayTitle}>
                  {displayTitle}
                </h2>
                <div className="transform md:translate-y-0">
                  {displaySubtitle}
                </div>
             </div>
          </div>
        </div>
        
        {/* Refresh/Stop Button */}
        <button
          onClick={handleAction}
          className={`flex-shrink-0 p-2.5 rounded-full transition-all active:scale-90 mt-4 md:mt-0 md:ml-4 border border-transparent group relative
             ${isLoading 
               ? 'text-plex-orange bg-plex-orange/10 border-plex-orange/20 hover:bg-red-500/10 hover:border-red-500/30' 
               : 'text-gray-400 hover:text-white hover:bg-white/10'
             }
          `}
          title={isLoading ? "Cancel Refresh" : "Refresh Playlists"}
        >
          {isLoading ? (
            <div className="relative flex items-center justify-center">
              {/* Outer Spinner */}
              <RefreshCw size={20} strokeWidth={2} className="animate-spin opacity-40 group-hover:opacity-20 transition-opacity" />
              {/* Inner Cancel X */}
              <X size={12} strokeWidth={3} className="absolute text-plex-orange group-hover:text-red-400 transition-colors" />
            </div>
          ) : (
             <RefreshCw size={20} strokeWidth={2} />
          )}
        </button>
      </div>

      {/* Content List */}
      <div className="flex-1 overflow-y-auto p-3 md:p-5 custom-scrollbar bg-black/20">
        {isLoading && playlists.length === 0 ? (
          <div className="flex flex-col items-center justify-center h-full text-gray-500 space-y-3">
            <RefreshCw size={24} className="animate-spin text-plex-orange/50" />
            <p className="text-xs font-medium tracking-wide uppercase">Syncing...</p>
          </div>
        ) : playlists.length === 0 ? (
          <div className="flex flex-col items-center justify-center h-full text-gray-500">
            <p className="text-sm">No playlists found.</p>
          </div>
        ) : (
          <div className="space-y-2.5 md:space-y-3">
            {playlists.map((playlist) => (
              <PlaylistCard key={playlist.id} playlist={playlist} />
            ))}
          </div>
        )}
      </div>
    </div>
  );
};

export default ServerPanel;