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* Import Collections Dialog Component
* Multi-step dialog for importing collections from JSON export file
*/
import { useState, useCallback } from 'react';
import { AppDialog } from '@/components/common/AppDialog';
import { Button } from '@/components/ui/button';
import { Label } from '@/components/ui/label';
import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/components/ui/select';
import { ScrollArea } from '@/components/ui/scroll-area';
import { Upload, FileJson, CheckCircle2, XCircle, AlertCircle, SkipForward } from 'lucide-react';
import {
importCollections,
IMPORT_STRATEGY_OPTIONS,
type CollectionExportData,
type ImportStrategy,
type CollectionImportResult,
} from '@/services/collections.service';
import { handleApiError } from '@/lib/api';
interface ImportCollectionsDialogProps {
open: boolean;
onOpenChange: (open: boolean) => void;
onSuccess: () => void;
}
type DialogStep = 'upload' | 'preview' | 'importing' | 'results';
export default function ImportCollectionsDialog({
open,
onOpenChange,
onSuccess,
}: ImportCollectionsDialogProps) {
const [step, setStep] = useState<DialogStep>('upload');
const [exportData, setExportData] = useState<CollectionExportData | null>(null);
const [strategy, setStrategy] = useState<ImportStrategy>('error');
const [isImporting, setIsImporting] = useState(false);
const [importResult, setImportResult] = useState<CollectionImportResult | null>(null);
const [error, setError] = useState<string | null>(null);
const [dragActive, setDragActive] = useState(false);
const resetState = useCallback(() => {
setStep('upload');
setExportData(null);
setStrategy('error');
setIsImporting(false);
setImportResult(null);
setError(null);
setDragActive(false);
}, []);
const handleOpenChange = (newOpen: boolean) => {
Eif (!newOpen) {
resetState();
}
onOpenChange(newOpen);
};
const handleFileSelect = async (file: File) => {
setError(null);
if (!file.name.endsWith('.json')) {
setError('Please select a JSON file');
return;
}
try {
const text = await file.text();
const data = JSON.parse(text) as CollectionExportData;
// Validate basic structure
if (!data.version || !data.collections || !Array.isArray(data.collections)) {
setError('Invalid export file format');
return;
}
setExportData(data);
setStep('preview');
} catch (err) {
setError('Failed to parse JSON file');
}
};
const handleDrag = (e: React.DragEvent) => {
e.preventDefault();
e.stopPropagation();
if (e.type === 'dragenter' || e.type === 'dragover') {
setDragActive(true);
} else if (e.type === 'dragleave') {
setDragActive(false);
}
};
const handleDrop = (e: React.DragEvent) => {
e.preventDefault();
e.stopPropagation();
setDragActive(false);
const file = e.dataTransfer.files?.[0];
if (file) {
handleFileSelect(file);
}
};
const handleFileInput = (e: React.ChangeEvent<HTMLInputElement>) => {
const file = e.target.files?.[0];
Eif (file) {
handleFileSelect(file);
}
};
const handleImport = async () => {
Iif (!exportData) return;
setStep('importing');
setIsImporting(true);
setError(null);
try {
const result = await importCollections(exportData, strategy);
setImportResult(result);
setStep('results');
Eif (result.imported_count > 0 || result.updated_count > 0) {
onSuccess();
}
} catch (err) {
setError(handleApiError(err));
setStep('preview');
} finally {
setIsImporting(false);
}
};
const getStatusIcon = (status: string) => {
switch (status) {
case 'imported':
return <CheckCircle2 className="h-4 w-4 text-green-500" />;
case 'updated':
return <CheckCircle2 className="h-4 w-4 text-blue-500" />;
case 'skipped':
return <SkipForward className="h-4 w-4 text-yellow-500" />;
case 'error':
return <XCircle className="h-4 w-4 text-red-500" />;
default:
return <AlertCircle className="h-4 w-4 text-muted-foreground" />;
}
};
const description =
step === 'upload' ? 'Upload a collections export JSON file' :
step === 'preview' ? 'Review collections and select import options' :
step === 'importing' ? 'Importing collections...' :
'Import completed';
const footer =
step === 'upload' ? (
<Button variant="outline" onClick={() => handleOpenChange(false)}>
Cancel
</Button>
) : step === 'preview' ? (
<>
<Button variant="outline" onClick={() => setStep('upload')}>
Back
</Button>
<Button onClick={handleImport} disabled={isImporting}>
Import Collections
</Button>
</>
) : step === 'results' ? (
<>
<Button variant="outline" onClick={resetState}>
Import Another
</Button>
<Button onClick={() => handleOpenChange(false)}>
Done
</Button>
</>
) : undefined;
return (
<AppDialog
open={open}
onOpenChange={handleOpenChange}
title="Import Collections"
description={description}
className="max-w-xl"
footer={footer}
>
{/* Upload Step */}
{step === 'upload' && (
<div className="space-y-4">
<div
className={`border-2 border-dashed rounded-lg p-12 text-center transition-colors ${dragActive
? 'border-primary bg-primary/5'
: 'border-muted-foreground/25 hover:border-muted-foreground/50'
}`}
onDragEnter={handleDrag}
onDragLeave={handleDrag}
onDragOver={handleDrag}
onDrop={handleDrop}
>
<Upload className="h-12 w-12 mx-auto mb-4 text-muted-foreground" />
<p className="text-lg font-medium mb-2">
Drop your export file here
</p>
<p className="text-sm text-muted-foreground mb-4">
or click to browse
</p>
<input
type="file"
accept=".json"
onChange={handleFileInput}
className="hidden"
id="import-file-input"
/>
<Button
variant="outline"
onClick={() => document.getElementById('import-file-input')?.click()}
>
<FileJson className="h-4 w-4 mr-2" />
Select JSON File
</Button>
</div>
{error && (
<div className="bg-destructive/10 border border-destructive/20 rounded-lg p-4">
<p className="text-destructive text-sm">{error}</p>
</div>
)}
</div>
)}
{/* Preview Step */}
{step === 'preview' && exportData && (
<div className="space-y-6">
{/* Export Info */}
<div className="bg-muted rounded-lg p-4 space-y-2">
<div className="flex justify-between text-sm">
<span className="text-muted-foreground">Version:</span>
<span className="font-mono">{exportData.version}</span>
</div>
<div className="flex justify-between text-sm">
<span className="text-muted-foreground">Exported:</span>
<span>{new Date(exportData.exported_at).toLocaleString()}</span>
</div>
<div className="flex justify-between text-sm">
<span className="text-muted-foreground">By:</span>
<span>{exportData.exported_by}</span>
</div>
<div className="flex justify-between text-sm">
<span className="text-muted-foreground">Collections:</span>
<span className="font-semibold">{exportData.collections.length}</span>
</div>
</div>
{/* Collection List */}
<div>
<Label className="text-sm font-medium mb-2 block">Collections to Import</Label>
<ScrollArea className="h-40 border rounded-lg">
<div className="p-3 space-y-2">
{exportData.collections.map((collection) => (
<div
key={collection.name}
className="flex justify-between items-center text-sm py-1"
>
<span className="font-medium">{collection.name}</span>
<span className="text-muted-foreground">
{collection.schema.length} fields
</span>
</div>
))}
</div>
</ScrollArea>
</div>
{/* Strategy Selection */}
<div>
<Label className="text-sm font-medium mb-3 block">Conflict Strategy</Label>
<Select value={strategy} onValueChange={(value: ImportStrategy) => setStrategy(value)}>
<SelectTrigger className="w-full">
<SelectValue placeholder="Select a strategy" />
</SelectTrigger>
<SelectContent>
{IMPORT_STRATEGY_OPTIONS.map((option) => (
<SelectItem key={option.value} value={option.value}>
<div className="flex flex-col">
<span className="font-medium">{option.label}</span>
<span className="text-xs text-muted-foreground">{option.description}</span>
</div>
</SelectItem>
))}
</SelectContent>
</Select>
</div>
{error && (
<div className="bg-destructive/10 border border-destructive/20 rounded-lg p-4">
<p className="text-destructive text-sm">{error}</p>
</div>
)}
</div>
)}
{/* Importing Step */}
{step === 'importing' && (
<div className="py-12 text-center">
<div className="animate-spin h-12 w-12 border-4 border-primary border-t-transparent rounded-full mx-auto mb-4" />
<p className="text-lg font-medium">Importing collections...</p>
<p className="text-sm text-muted-foreground mt-2">
This may take a moment
</p>
</div>
)}
{/* Results Step */}
{step === 'results' && importResult && (
<div className="space-y-6">
{/* Summary */}
<div className="grid grid-cols-4 gap-4">
<div className="bg-green-50 dark:bg-green-950/20 rounded-lg p-4 text-center">
<p className="text-2xl font-bold text-green-600">{importResult.imported_count}</p>
<p className="text-sm text-muted-foreground">Imported</p>
</div>
<div className="bg-blue-50 dark:bg-blue-950/20 rounded-lg p-4 text-center">
<p className="text-2xl font-bold text-blue-600">{importResult.updated_count}</p>
<p className="text-sm text-muted-foreground">Updated</p>
</div>
<div className="bg-yellow-50 dark:bg-yellow-950/20 rounded-lg p-4 text-center">
<p className="text-2xl font-bold text-yellow-600">{importResult.skipped_count}</p>
<p className="text-sm text-muted-foreground">Skipped</p>
</div>
<div className="bg-red-50 dark:bg-red-950/20 rounded-lg p-4 text-center">
<p className="text-2xl font-bold text-red-600">{importResult.failed_count}</p>
<p className="text-sm text-muted-foreground">Failed</p>
</div>
</div>
{/* Per-collection results */}
<div>
<Label className="text-sm font-medium mb-2 block">Details</Label>
<ScrollArea className="h-48 border rounded-lg">
<div className="p-3 space-y-2">
{importResult.collections.map((result, index) => (
<div
key={index}
className="flex items-center justify-between py-2 border-b last:border-0"
>
<div className="flex items-center gap-2">
{getStatusIcon(result.status)}
<span className="font-medium">{result.name}</span>
</div>
<span className="text-sm text-muted-foreground">{result.message}</span>
</div>
))}
</div>
</ScrollArea>
</div>
{importResult.migrations_created.length > 0 && (
<div className="text-sm text-muted-foreground">
{importResult.migrations_created.length} migration(s) created
</div>
)}
</div>
)}
</AppDialog>
);
}
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