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import { useState } from 'react';
import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
import { Button } from '@/components/ui/button';
import { Card, CardContent, CardHeader, CardTitle, CardDescription } from '@/components/ui/card';
import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from '@/components/ui/table';
import { Input } from '@/components/ui/input';
import { toast } from 'sonner';
import giftCodesService, { GiftCode, GiftCodeCreateRequest, BulkCreateRequest } from '@/services/giftCodes';
import { Dialog, DialogTrigger, DialogContent, DialogHeader, DialogTitle, DialogFooter } from '@/components/ui/dialog';
import { useTranslation } from 'react-i18next';
import useLoadNamespace from '@/hooks/useLoadNamespace';
export default function GiftCodesManagement() {
useLoadNamespace('admin/giftcodes');
const { t } = useTranslation('admin/giftcodes');
const qc = useQueryClient();
const [isCreateOpen, setIsCreateOpen] = useState(false);
const [isBulkOpen, setIsBulkOpen] = useState(false);
const [code, setCode] = useState('');
const [months, setMonths] = useState<number>(1);
const [uses, setUses] = useState<number>(1);
const [count, setCount] = useState<number>(10);
const [prefix, setPrefix] = useState<string>('');
const [selectedIds, setSelectedIds] = useState<number[]>([]);
const { data, isLoading } = useQuery({
queryKey: ['admin', 'gift-codes'],
queryFn: async () => {
const res = await giftCodesService.adminList();
if (res.success) return res.data || [];
throw new Error(res.error?.details || t('common.serverError'));
}
});
const createMutation = useMutation({
mutationFn: async (payload: GiftCodeCreateRequest) => {
const res = await giftCodesService.adminCreate(payload);
if (res.success) return res.data!;
throw new Error(res.error?.details || t('common.serverError'));
},
onSuccess: () => {
toast.success(t('created'));
qc.invalidateQueries({ queryKey: ['admin', 'gift-codes'] });
setIsCreateOpen(false);
setCode('');
setMonths(1);
setUses(1);
},
onError: (err: any) => {
toast.error(err instanceof Error ? err.message : t('common.serverError'));
}
});
const bulkMutation = useMutation({
mutationFn: async (payload: BulkCreateRequest) => {
const res = await giftCodesService.adminBulkCreate(payload);
if (res.success) return res.data!;
throw new Error(res.error?.details || t('common.serverError'));
},
onSuccess: (data) => {
toast.success(t('bulkCreated', { count: data.length }));
qc.invalidateQueries({ queryKey: ['admin', 'gift-codes'] });
setIsBulkOpen(false);
setCount(10);
setPrefix('');
setMonths(1);
setUses(1);
},
onError: (err: any) => {
toast.error(err instanceof Error ? err.message : t('common.serverError'));
}
});
// Delete mutation for selected gift codes
const deleteMutation = useMutation({
mutationFn: async (ids: number[]) => {
const res = await giftCodesService.adminBulkDelete(ids);
if (res.success) return res.data!;
throw new Error(res.error?.details || t('common.serverError'));
},
onSuccess: () => {
toast.success(t('deletedSelected' , { count: selectedIds.length }));
qc.invalidateQueries({ queryKey: ['admin', 'gift-codes'] });
setSelectedIds([]);
},
onError: (err: any) => {
toast.error(err instanceof Error ? err.message : t('common.serverError'));
}});
const exportCsv = () => {
if (!data || data.length === 0) {
toast.error(t('noData'));
return;
}
const header = ['code','duration_days','uses_total','uses_remaining','expires_at','allowed_categories','max_devices','created_by','created_at'];
const rows = data.map((g: GiftCode) => [
g.code,
String(g.duration_days),
String(g.uses_total),
String(g.uses_remaining),
g.expires_at || '',
(g.allowed_categories || []).join('|'),
g.max_devices ? String(g.max_devices) : '',
String(g.created_by),
g.created_at
]);
const csvContent = [header, ...rows].map(r => r.join(',')).join('\n');
const blob = new Blob([csvContent], { type: 'text/csv;charset=utf-8;' });
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = `gift_codes_${new Date().toISOString().slice(0,10)}.csv`;
a.click();
URL.revokeObjectURL(url);
};
return (
<Card>
<CardHeader>
<div className="flex items-center justify-between w-full">
<div>
<CardTitle>{t('title')}</CardTitle>
<CardDescription>{t('description')}</CardDescription>
</div>
<div className="flex gap-2">
<Button onClick={() => setIsCreateOpen(true)}>{t('create')}</Button>
<Button variant="secondary" onClick={() => setIsBulkOpen(true)}>{t('bulkCreate')}</Button>
<Button variant="outline" onClick={exportCsv}>{t('export')}</Button>
{selectedIds.length > 0 && (
<Button
variant="destructive"
onClick={() => {
if (!confirm(t('deleteConfirm', { count: selectedIds.length }))) return;
deleteMutation.mutate(selectedIds);
}}
>
{t('deleteSelected', { count: selectedIds.length })}
</Button>
)}
</div>
</div>
</CardHeader>
<CardContent>
<div>
<Table>
<TableHeader>
<TableRow>
<TableHead>
<input
type="checkbox"
checked={!!data && selectedIds.length === (data || []).length && (data || []).length > 0}
onChange={(e) => {
if (!data) return;
if (e.target.checked) setSelectedIds((data || []).map(d => d.id));
else setSelectedIds([]);
}}
/>
</TableHead>
<TableHead>{t('table.code')}</TableHead>
<TableHead>{t('table.duration_days')}</TableHead>
<TableHead>{t('table.uses')}</TableHead>
<TableHead>{t('table.remaining')}</TableHead>
<TableHead>{t('table.expires_at')}</TableHead>
<TableHead>{t('table.created_at')}</TableHead>
</TableRow>
</TableHeader>
<TableBody>
{isLoading ? (
<TableRow><TableCell colSpan={7}>{t('common.loading')}</TableCell></TableRow>
) : (
(data || []).map((g) => (
<TableRow key={g.id}>
<TableCell>
<input
type="checkbox"
checked={selectedIds.includes(g.id)}
onChange={(e) => {
if (e.target.checked) setSelectedIds((prev) => Array.from(new Set([...prev, g.id])));
else setSelectedIds((prev) => prev.filter(id => id !== g.id));
}}
/>
</TableCell>
<TableCell>{g.code}</TableCell>
<TableCell>{g.duration_days}</TableCell>
<TableCell>{g.uses_total}</TableCell>
<TableCell>{g.uses_remaining}</TableCell>
<TableCell>{g.expires_at ?? '-'}</TableCell>
<TableCell>{new Date(g.created_at).toLocaleString()}</TableCell>
</TableRow>
))
)}
</TableBody>
</Table>
</div>
</CardContent>
{/* Create Dialog */}
<Dialog open={isCreateOpen} onOpenChange={setIsCreateOpen}>
<DialogTrigger asChild>
<span />
</DialogTrigger>
<DialogContent>
<DialogHeader>
<DialogTitle>{t('create')}</DialogTitle>
</DialogHeader>
<div className="space-y-2 mt-2">
<div>
<label className="block text-sm">{t('form.codeOptional')}</label>
<div className="flex items-center gap-2">
<Input value={code} onChange={(e) => setCode(e.target.value)} />
<Button size="sm" onClick={() => {
// Generate 3-3-4 alphanumeric (uppercase) e.g. A1B-2CD-3E4F
const ALNUM = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
const randChars = (n: number) => {
return Array.from({ length: n }, () => ALNUM[Math.floor(Math.random() * ALNUM.length)]).join('');
};
const gen = () => `${randChars(3)}-${randChars(3)}-${randChars(4)}`;
setCode(gen());
}}>{t('generate')}</Button>
</div>
</div>
<div>
<label className="block text-sm">{t('form.durationMonths')}</label>
<Input type="number" value={months} onChange={(e) => setMonths(Number(e.target.value))} />
</div>
<div>
<label className="block text-sm">{t('form.uses')}</label>
<Input type="number" value={uses} onChange={(e) => setUses(Number(e.target.value))} />
</div>
</div>
<DialogFooter className="mt-4">
<Button onClick={() => createMutation.mutate({
code: code || undefined,
duration_months: months,
uses_total: uses,
expires_at: null,
allowed_categories: null,
max_devices: null
} as GiftCodeCreateRequest)}>
{t('create')}
</Button>
<Button variant="outline" onClick={() => setIsCreateOpen(false)}>{t('common.cancel')}</Button>
</DialogFooter>
</DialogContent>
</Dialog>
{/* Bulk Create Dialog */}
<Dialog open={isBulkOpen} onOpenChange={setIsBulkOpen}>
<DialogTrigger asChild>
<span />
</DialogTrigger>
<DialogContent>
<DialogHeader>
<DialogTitle>{t('bulkCreate')}</DialogTitle>
</DialogHeader>
<div className="space-y-2 mt-2">
<div>
<label className="block text-sm">{t('form.prefixOptional')}</label>
<Input value={prefix} onChange={(e) => setPrefix(e.target.value)} />
</div>
<div>
<label className="block text-sm">{t('form.count')}</label>
<Input type="number" value={count} onChange={(e) => setCount(Number(e.target.value))} />
</div>
<div>
<label className="block text-sm">{t('form.durationMonths')}</label>
<Input type="number" value={months} onChange={(e) => setMonths(Number(e.target.value))} />
</div>
<div>
<label className="block text-sm">{t('form.usesPerCode')}</label>
<Input type="number" value={uses} onChange={(e) => setUses(Number(e.target.value))} />
</div>
</div>
<DialogFooter className="mt-4">
<Button onClick={() => bulkMutation.mutate({
prefix: prefix || undefined,
count,
duration_months: months,
uses_total: uses,
expires_at: null,
allowed_categories: null,
max_devices: null
} as BulkCreateRequest)}>
{t('bulkCreate')}
</Button>
<Button variant="outline" onClick={() => setIsBulkOpen(false)}>{t('common.cancel')}</Button>
</DialogFooter>
</DialogContent>
</Dialog>
</Card>
);
}
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