import React from 'react';
import { Card } from '../ui/card';
import { UploadProgressBar } from './UploadProgressBar';
import {
  FileAudio,
  FileImage,
  FolderArchive,
  File,
  CheckCircle,
  AlertCircle,
} from 'lucide-react';

export interface UploadFile {
  id: string;
  file: File;
  progress: number;
  status: 'uploading' | 'paused' | 'completed' | 'error' | 'processing';
  previewUrl?: string;
}

interface FilePreviewCardProps {
  fileData: UploadFile;
  onPause: () => void;
  onResume: () => void;
  onCancel: () => void;
}

export const FilePreviewCard: React.FC<FilePreviewCardProps> = ({
  fileData,
  onPause,
  onResume,
  onCancel,
}) => {
  const { file, progress, status, previewUrl } = fileData;

  const formatSize = (bytes: number) => {
    if (bytes === 0) return '0 B';
    const k = 1024;
    const sizes = ['B', 'KB', 'MB', 'GB'];
    const i = Math.floor(Math.log(bytes) / Math.log(k));
    return `${parseFloat((bytes / Math.pow(k, i)).toFixed(2))} ${sizes[i]}`;
  };

  const getIcon = () => {
    if (file.type.startsWith('image/'))
      return <FileImage className="w-6 h-6 text-primary" />;
    if (file.type.startsWith('audio/'))
      return <FileAudio className="w-6 h-6 text-kodo-steel" />;
    if (file.type.includes('zip') || file.type.includes('compressed'))
      return <FolderArchive className="w-6 h-6 text-warning" />;
    return <File className="w-6 h-6 text-kodo-content-dim" />;
  };

  return (
    <Card
      variant="glass"
      className="p-4 flex items-center gap-4 border-l-4 border-l-muted hover:border-l-primary transition-all"
    >
      {/* Thumbnail / Icon */}
      <div className="w-12 h-12 rounded-lg bg-black/40 flex items-center justify-center overflow-hidden flex-shrink-0 border border-white/5">
        {previewUrl && file.type.startsWith('image/') ? (
          <img
            src={previewUrl}
            alt="Preview"
            className="w-full h-full object-cover"
          />
        ) : (
          getIcon()
        )}
      </div>

      {/* Info & Progress */}
      <div className="flex-1 min-w-0">
        <div className="flex justify-between items-start mb-1">
          <h4
            className="font-bold text-white text-sm truncate pr-2"
            title={file.name}
          >
            {file.name}
          </h4>
          <span className="text-[10px] text-kodo-content-dim font-mono flex-shrink-0">
            {formatSize(file.size)}
          </span>
        </div>

        {status === 'completed' ? (
          <div className="flex items-center gap-2 text-xs text-kodo-lime font-bold">
            <CheckCircle className="w-3 h-3" /> Ready
          </div>
        ) : status === 'error' ? (
          <div className="flex items-center gap-2 text-xs text-destructive font-bold">
            <AlertCircle className="w-3 h-3" /> Failed
          </div>
        ) : (
          <UploadProgressBar
            progress={progress}
            status={status}
            onPause={onPause}
            onResume={onResume}
            onCancel={onCancel}
          />
        )}
      </div>
    </Card>
  );
};