TCA-Admin-Frontend/components/gallery/CreateEventGalleryForm.tsx

244 lines
9.4 KiB
TypeScript

'use client';
import React, { useState, ChangeEvent, FormEvent, useEffect } from 'react';
import IconTrashLines from '../icon/icon-trash-lines';
import axios from 'axios';
import { useRouter } from 'next/navigation';
import { buildApiUrl } from '@/utils/BaseUrl.utils';
interface FormErrors {
[key: string]: string;
}
interface EditEventFormProps {
eventId: string | null;
}
const extractDriveFileId = (link: string): string | null => {
const trimmed = link?.trim();
if (!trimmed) return null;
const match = trimmed.match(/\/d\/([a-zA-Z0-9_-]+)/) ||
trimmed.match(/[?&]id=([a-zA-Z0-9_-]+)/) ||
trimmed.match(/\/open\?id=([a-zA-Z0-9_-]+)/);
return match?.[1] ?? null;
};
const buildDriveViewUrl = (id: string) => `https://drive.google.com/thumbnail?id=${id}&sz=w1000`;
const buildDriveDownloadUrl = (id: string) => `https://drive.google.com/uc?export=download&id=${id}`;
const buildDriveThumbnailUrl = (id: string) => `https://drive.google.com/thumbnail?id=${id}&sz=w1000`;
const buildDriveViewAuthUrl = (id: string) => `https://drive.google.com/uc?export=view&id=${id}&authuser=0`;
const normalizeDriveImageUrl = (link: string): string => {
const trimmed = link?.trim() || '';
const id = extractDriveFileId(trimmed);
if (!id) return trimmed;
return buildDriveViewUrl(id);
};
const getDriveFallbackUrl = (currentUrl: string): string | null => {
const id = extractDriveFileId(currentUrl);
if (!id) return null;
if (currentUrl.includes('thumbnail?id=')) {
return buildDriveViewAuthUrl(id);
}
if (currentUrl.includes('export=download')) {
return buildDriveThumbnailUrl(id);
}
if (currentUrl.includes('export=view')) {
return buildDriveDownloadUrl(id);
}
return buildDriveViewAuthUrl(id);
};
const CreateEventGalleryForm: React.FC<EditEventFormProps> = ({ eventId }) => {
const router = useRouter();
const [linkInput, setLinkInput] = useState('');
const [loading, setLoading] = useState(false);
const [errors, setErrors] = useState<FormErrors>({});
const [existingImagesCount, setExistingImagesCount] = useState<number>(0);
const [fetchingImages, setFetchingImages] = useState(true);
useEffect(() => {
if (eventId) {
getEventGallery();
} else {
setFetchingImages(false);
}
}, [eventId]);
const getEventGallery = async () => {
try {
const token = localStorage.getItem("token");
const res = await axios.get(buildApiUrl(`event-images/event/${eventId}`), {
headers: { Authorization: `Bearer ${token}` },
});
const images = res.data?.data || [];
setExistingImagesCount(images.length);
} catch (error) {
console.error('error fetching existing images', error);
} finally {
setFetchingImages(false);
}
};
const remainingSlots = Math.max(0, 20 - existingImagesCount);
const parsedLinks = React.useMemo(() => {
return linkInput
.split(/[\n,]+/)
.map((link) => link.trim())
.filter((link) => link !== '')
.map(normalizeDriveImageUrl);
}, [linkInput]);
const handleLinkInputChange = (e: ChangeEvent<HTMLTextAreaElement>) => {
const newValue = e.target.value;
setLinkInput(newValue);
const currentCount = newValue.split(/[\n,]+/).map(l => l.trim()).filter(l => l !== '').length;
if (currentCount > remainingSlots) {
setErrors({ images: `You can only add up to ${remainingSlots} more images (20 total per event).` });
} else {
setErrors(prev => ({ ...prev, images: '' }));
}
};
const handleImageDelete = (index: number) => {
const lines = linkInput.split(/[\n,]+/).map(l => l.trim()).filter(l => l !== '');
lines.splice(index, 1);
setLinkInput(lines.join('\n'));
};
const validateForm = (): boolean => {
const newErrors: FormErrors = {};
if (parsedLinks.length === 0) {
newErrors.images = 'Please provide at least one image link';
} else if (parsedLinks.length > remainingSlots) {
newErrors.images = `Only ${remainingSlots} more images can be added (20 total per event).`;
}
setErrors(newErrors);
return Object.keys(newErrors).length === 0;
};
const handleSubmit = async (e: FormEvent) => {
e.preventDefault();
if (!validateForm()) return;
setLoading(true);
try {
// Step 1: Prepare body for bulk save
const body = {
eventid: Number(eventId),
imageurl: parsedLinks
};
console.log("Sending body:", body);
// Step 3: Call bulk API
const token = localStorage.getItem('token');
await axios.post(
buildApiUrl('event-images/bulk'),
body,
{
headers: {
Authorization: `Bearer ${token}`,
},
}
);
router.push(`/event-gallery?eventid=${eventId}`);
} catch (error: any) {
console.error('Upload failed:', error);
const message = error.response?.data?.message || 'Failed to upload images. Please try again.';
setErrors({ submit: message });
alert(message);
} finally {
setLoading(false);
}
};
return (
<form onSubmit={handleSubmit} className="max-w-4xl mx-auto p-6 bg-white rounded shadow-md">
<h2 className="text-xl font-bold mb-4">Upload Gallery Images</h2>
{/* Link Input */}
<div className="mb-4">
<label htmlFor="gallery" className="block font-medium mb-1">Image Links (Google Drive etc.)</label>
<textarea
id="gallery"
rows={5}
placeholder="Paste your Google Drive links here, one per line..."
value={linkInput}
onChange={handleLinkInputChange}
disabled={remainingSlots === 0}
className="w-full border rounded px-3 py-2 disabled:bg-gray-100 disabled:cursor-not-allowed dark:disabled:bg-gray-800"
/>
{errors.images && <p className="text-red-500 text-sm">{errors.images}</p>}
<p className="text-gray-500 text-xs mt-1">
{fetchingImages
? 'Checking current image count...'
: remainingSlots > 0
? `You can add up to ${remainingSlots} more images (currently ${existingImagesCount}/20).`
: `You have reached the maximum of 20 images for this event.`}
</p>
</div>
{/* Previews */}
{parsedLinks.length > 0 && (
<div className="grid grid-cols-2 md:grid-cols-4 gap-4 mb-6">
{parsedLinks.map((url, index) => (
<div key={index} className="relative border rounded shadow overflow-hidden">
<img
src={url}
alt={`Preview ${index + 1}`}
className="w-full h-40 object-cover"
onError={(e) => {
const img = e.currentTarget as HTMLImageElement;
const fallback = getDriveFallbackUrl(url);
if (fallback && fallback !== url) {
img.src = fallback;
return;
}
img.src = "https://placehold.co/150x150?text=Invalid+Image+Link";
}}
/>
<button
type="button"
onClick={() => handleImageDelete(index)}
className="absolute top-1 right-1 bg-red-600 text-white rounded-full p-1 hover:bg-red-700"
>
<IconTrashLines className="w-4 h-4" />
</button>
</div>
))}
</div>
)}
{/* Submit */}
<div className="mt-6 flex items-center gap-4">
<button
type="submit"
disabled={loading || fetchingImages || remainingSlots === 0}
className={`bg-blue-600 text-white px-6 py-2 rounded hover:bg-blue-700 ${(loading || fetchingImages || remainingSlots === 0) ? 'opacity-50 cursor-not-allowed' : ''}`}
>
{loading ? 'Uploading...' : fetchingImages ? 'Checking limits...' : 'Submit'}
</button>
<button
type="button"
onClick={() => router.back()}
className="bg-gray-200 text-gray-800 px-6 py-2 rounded hover:bg-gray-300 dark:bg-gray-700 dark:text-gray-200 dark:hover:bg-gray-600 transition-colors"
>
Back
</button>
</div>
</form>
);
};
export default CreateEventGalleryForm;