feat: add reusable BulkInviteForm component for multi-row name+email invites

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/components/shared/bulk-invite-form.tsx

@@ -0,0 +1,131 @@
+'use client'
+
+import { useState } from 'react'
+import { Button } from '@/components/ui/button'
+import { Input } from '@/components/ui/input'
+import { Label } from '@/components/ui/label'
+import { toast } from 'sonner'
+import { Plus, Trash2, Send, Loader2 } from 'lucide-react'
+
+interface InviteRow {
+  name: string
+  email: string
+}
+
+interface BulkInviteFormProps {
+  onSubmit: (rows: InviteRow[]) => Promise<void>
+  isPending?: boolean
+  submitLabel?: string
+}
+
+const emptyRow = (): InviteRow => ({ name: '', email: '' })
+
+export function BulkInviteForm({
+  onSubmit,
+  isPending = false,
+  submitLabel = 'Send Invites',
+}: BulkInviteFormProps) {
+  const [rows, setRows] = useState<InviteRow[]>([emptyRow()])
+
+  const updateRow = (index: number, field: keyof InviteRow, value: string) => {
+    setRows((prev) => prev.map((r, i) => (i === index ? { ...r, [field]: value } : r)))
+  }
+
+  const addRow = () => setRows((prev) => [...prev, emptyRow()])
+
+  const removeRow = (index: number) => {
+    if (rows.length <= 1) return
+    setRows((prev) => prev.filter((_, i) => i !== index))
+  }
+
+  const validRows = rows.filter(
+    (r) => r.email.trim() && r.email.includes('@')
+  )
+
+  const handleSubmit = async () => {
+    if (validRows.length === 0) {
+      toast.error('Please enter at least one valid email address')
+      return
+    }
+
+    const emails = validRows.map((r) => r.email.trim().toLowerCase())
+    const dupes = emails.filter((e, i) => emails.indexOf(e) !== i)
+    if (dupes.length > 0) {
+      toast.error(`Duplicate email: ${dupes[0]}`)
+      return
+    }
+
+    await onSubmit(validRows.map((r) => ({ name: r.name.trim(), email: r.email.trim() })))
+    setRows([emptyRow()])
+  }
+
+  return (
+    <div className="space-y-3">
+      <div className="space-y-2">
+        {rows.map((row, index) => (
+          <div key={index} className="flex items-end gap-2">
+            <div className="flex-1 space-y-1">
+              {index === 0 && (
+                <Label className="text-xs text-muted-foreground">Name</Label>
+              )}
+              <Input
+                placeholder="Full name"
+                value={row.name}
+                onChange={(e) => updateRow(index, 'name', e.target.value)}
+                disabled={isPending}
+              />
+            </div>
+            <div className="flex-1 space-y-1">
+              {index === 0 && (
+                <Label className="text-xs text-muted-foreground">
+                  Email <span className="text-destructive">*</span>
+                </Label>
+              )}
+              <Input
+                type="email"
+                placeholder="email@example.com"
+                value={row.email}
+                onChange={(e) => updateRow(index, 'email', e.target.value)}
+                disabled={isPending}
+              />
+            </div>
+            <Button
+              variant="ghost"
+              size="icon"
+              onClick={() => removeRow(index)}
+              disabled={rows.length <= 1 || isPending}
+              className="shrink-0"
+            >
+              <Trash2 className="h-4 w-4" />
+            </Button>
+          </div>
+        ))}
+      </div>
+
+      <div className="flex items-center justify-between">
+        <Button
+          variant="outline"
+          size="sm"
+          onClick={addRow}
+          disabled={isPending}
+        >
+          <Plus className="mr-1.5 h-4 w-4" />
+          Add Row
+        </Button>
+
+        <Button
+          onClick={handleSubmit}
+          disabled={validRows.length === 0 || isPending}
+          size="sm"
+        >
+          {isPending ? (
+            <Loader2 className="mr-1.5 h-4 w-4 animate-spin" />
+          ) : (
+            <Send className="mr-1.5 h-4 w-4" />
+          )}
+          {submitLabel} ({validRows.length})
+        </Button>
+      </div>
+    </div>
+  )
+}