finalizada sección de Referencias para la IA

src/components/planes/wizard/PasoDetallesPanel/FileDropZone.tsx

@@ -0,0 +1,186 @@
+import { Upload, File, X, FileText } from 'lucide-react'
+import { useState, useCallback } from 'react'
+
+import { Button } from '@/components/ui/button'
+import { cn } from '@/lib/utils'
+
+interface UploadedFile {
+  id: string
+  name: string
+  size: string
+  type: string
+}
+
+interface FileDropzoneProps {
+  onFilesChange?: (files: Array<UploadedFile>) => void
+  acceptedTypes?: string
+  maxFiles?: number
+  title?: string
+  description?: string
+}
+
+export function FileDropzone({
+  // onFilesChange,
+  acceptedTypes = '.doc,.docx,.pdf',
+  maxFiles = 5,
+  title = 'Arrastra archivos aquí',
+  description = 'o haz clic para seleccionar',
+}: FileDropzoneProps) {
+  const [isDragging, setIsDragging] = useState(false)
+  const [files, setFiles] = useState<Array<UploadedFile>>([])
+
+  const handleDragOver = useCallback((e: React.DragEvent) => {
+    e.preventDefault()
+    setIsDragging(true)
+  }, [])
+
+  const handleDragLeave = useCallback((e: React.DragEvent) => {
+    e.preventDefault()
+    setIsDragging(false)
+  }, [])
+
+  const handleDrop = useCallback(
+    (e: React.DragEvent) => {
+      e.preventDefault()
+      setIsDragging(false)
+
+      const droppedFiles = Array.from(e.dataTransfer.files)
+      addFiles(droppedFiles)
+    },
+    [files],
+  )
+
+  const handleFileInput = useCallback(
+    (e: React.ChangeEvent<HTMLInputElement>) => {
+      if (e.target.files) {
+        const selectedFiles = Array.from(e.target.files)
+        addFiles(selectedFiles)
+      }
+    },
+    [files],
+  )
+
+  const addFiles = (newFiles: Array<File>) => {
+    const uploadedFiles: Array<UploadedFile> = newFiles
+      .slice(0, maxFiles - files.length)
+      .map((file) => ({
+        id: `file-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`,
+        name: file.name,
+        size: formatFileSize(file.size),
+        type: file.name.split('.').pop() || 'file',
+      }))
+
+    const updatedFiles = [...files, ...uploadedFiles].slice(0, maxFiles)
+    setFiles(updatedFiles)
+    // onFilesChange(updatedFiles)
+  }
+
+  const removeFile = (fileId: string) => {
+    const updatedFiles = files.filter((f) => f.id !== fileId)
+    setFiles(updatedFiles)
+    // onFilesChange(updatedFiles)
+  }
+
+  const formatFileSize = (bytes: number): string => {
+    if (bytes < 1024) return bytes + ' B'
+    if (bytes < 1024 * 1024) return (bytes / 1024).toFixed(1) + ' KB'
+    return (bytes / (1024 * 1024)).toFixed(1) + ' MB'
+  }
+
+  const getFileIcon = (type: string) => {
+    switch (type.toLowerCase()) {
+      case 'pdf':
+        return <FileText className="text-destructive h-4 w-4" />
+      case 'doc':
+      case 'docx':
+        return <FileText className="text-info h-4 w-4" />
+      default:
+        return <File className="text-muted-foreground h-4 w-4" />
+    }
+  }
+
+  return (
+    <div className="space-y-3">
+      <div
+        onDragOver={handleDragOver}
+        onDragLeave={handleDragLeave}
+        onDrop={handleDrop}
+        className={cn(
+          'border-border hover:border-primary/50 cursor-pointer rounded-xl border-2 border-dashed p-8 text-center transition-all duration-300',
+          isDragging && 'active',
+        )}
+        style={{ background: 'var(--gradient-subtle)' }}
+      >
+        <input
+          type="file"
+          accept={acceptedTypes}
+          multiple
+          onChange={handleFileInput}
+          className="hidden"
+          id="file-upload"
+        />
+        <label htmlFor="file-upload" className="cursor-pointer">
+          <div className="flex flex-col items-center gap-3">
+            <div
+              className={cn(
+                'flex h-12 w-12 items-center justify-center rounded-xl transition-colors',
+                isDragging
+                  ? 'bg-primary text-primary-foreground'
+                  : 'bg-accent text-accent-foreground',
+              )}
+            >
+              <Upload className="h-6 w-6" />
+            </div>
+            <div className="text-center">
+              <p className="text-foreground text-sm font-medium">{title}</p>
+              <p className="text-muted-foreground mt-1 text-xs">
+                {description}
+              </p>
+              <p className="text-muted-foreground mt-1 text-xs">
+                Formatos:{' '}
+                {acceptedTypes
+                  .replace(/\./g, '')
+                  .toUpperCase()
+                  .replace(/,/g, ', ')}
+              </p>
+            </div>
+          </div>
+        </label>
+      </div>
+
+      {/* Uploaded files list */}
+      {files.length > 0 && (
+        <div className="space-y-2">
+          {files.map((file) => (
+            <div
+              key={file.id}
+              className="bg-accent/50 border-border fade-in flex items-center gap-3 rounded-lg border p-3"
+            >
+              {getFileIcon(file.type)}
+              <div className="min-w-0 flex-1">
+                <p className="text-foreground truncate text-sm font-medium">
+                  {file.name}
+                </p>
+                <p className="text-muted-foreground text-xs">{file.size}</p>
+              </div>
+              <Button
+                variant="ghost"
+                size="icon"
+                className="text-muted-foreground hover:text-destructive h-8 w-8"
+                onClick={() => removeFile(file.id)}
+              >
+                <X className="h-4 w-4" />
+              </Button>
+            </div>
+          ))}
+        </div>
+      )}
+
+      {files.length >= maxFiles && (
+        <p className="text-warning text-center text-xs">
+          Máximo de {maxFiles} archivos alcanzado
+        </p>
+      )}
+    </div>
+  )
+}