feat: paginate ticket timeline

src/components/tickets/ticket-timeline.tsx

@@ -1,5 +1,5 @@
+import { useEffect, useMemo, useState, type ReactNode, type ComponentType } from "react"
 import { format } from "date-fns"
-import type { ComponentType, ReactNode } from "react"
 import { ptBR } from "date-fns/locale"
 import {
   IconCalendar,
@@ -16,6 +16,15 @@ import type { TicketWithDetails } from "@/lib/schemas/ticket"
 import { Card, CardContent } from "@/components/ui/card"
 import { Avatar, AvatarFallback, AvatarImage } from "@/components/ui/avatar"
 import { Separator } from "@/components/ui/separator"
+import {
+  Pagination,
+  PaginationContent,
+  PaginationEllipsis,
+  PaginationItem,
+  PaginationLink,
+  PaginationNext,
+  PaginationPrevious,
+} from "@/components/ui/pagination"
 import { TICKET_TIMELINE_LABELS } from "@/lib/ticket-timeline-labels"
 
 const timelineIcons: Record<string, ComponentType<{ className?: string }>> = {
@@ -44,6 +53,8 @@ interface TicketTimelineProps {
   ticket: TicketWithDetails
 }
 
+const ITEMS_PER_PAGE = 10
+
 export function TicketTimeline({ ticket }: TicketTimelineProps) {
   const formatDuration = (durationMs: number) => {
     if (!durationMs || durationMs <= 0) return "0s"
@@ -60,15 +71,122 @@ export function TicketTimeline({ ticket }: TicketTimelineProps) {
     return `${seconds}s`
   }
 
+  const [page, setPage] = useState(1)
+
+  const totalItems = ticket.timeline.length
+  const totalPages = Math.max(1, Math.ceil(totalItems / ITEMS_PER_PAGE))
+  const currentPage = Math.min(page, totalPages)
+  const pageOffset = (currentPage - 1) * ITEMS_PER_PAGE
+
+  const currentEvents = useMemo(
+    () => ticket.timeline.slice(pageOffset, pageOffset + ITEMS_PER_PAGE),
+    [pageOffset, ticket.timeline]
+  )
+
+  const paginationRange = useMemo(() => {
+    if (totalPages <= 7) {
+      return Array.from({ length: totalPages }, (_, index) => index + 1)
+    }
+    const range: Array<number | "ellipsis-left" | "ellipsis-right"> = [1]
+    const left = Math.max(2, currentPage - 1)
+    const right = Math.min(totalPages - 1, currentPage + 1)
+    if (left > 2) {
+      range.push("ellipsis-left")
+    }
+    for (let i = left; i <= right; i += 1) {
+      range.push(i)
+    }
+    if (right < totalPages - 1) {
+      range.push("ellipsis-right")
+    }
+    range.push(totalPages)
+    return range
+  }, [currentPage, totalPages])
+
+  const rangeStart = totalItems === 0 ? 0 : pageOffset + 1
+  const rangeEnd = totalItems === 0 ? 0 : Math.min(pageOffset + ITEMS_PER_PAGE, totalItems)
+
+  useEffect(() => {
+    setPage(1)
+  }, [ticket.id])
+
+  useEffect(() => {
+    if (page > totalPages) {
+      setPage(totalPages)
+    }
+  }, [page, totalPages])
+
+  if (totalItems === 0) {
     return (
       <Card className="rounded-2xl border border-slate-200 bg-white shadow-sm">
-      <CardContent className="space-y-5 px-4 pb-6">
-        {ticket.timeline.map((entry, index) => {
+        <CardContent className="px-4 py-10">
+          <p className="text-center text-sm text-neutral-500">
+            Nenhum evento registrado neste ticket ainda.
+          </p>
+        </CardContent>
+      </Card>
+    )
+  }
+
+  return (
+    <Card className="rounded-2xl border border-slate-200 bg-white shadow-sm">
+      <CardContent className="space-y-6 px-4 pb-6">
+        <div className="flex flex-wrap items-center justify-between gap-3 border-b border-slate-200 pb-4">
+          <div>
+            <h3 className="text-base font-semibold text-neutral-900">Linha do tempo</h3>
+            <p className="text-sm text-neutral-500">
+              Mostrando {rangeStart}-{rangeEnd} de {totalItems} eventos
+            </p>
+          </div>
+          {totalPages > 1 ? (
+            <Pagination>
+              <PaginationContent>
+                <PaginationItem>
+                  <PaginationPrevious
+                    disabled={currentPage === 1}
+                    onClick={() => setPage((previous) => Math.max(1, previous - 1))}
+                  />
+                </PaginationItem>
+                {paginationRange.map((item, index) => {
+                  if (typeof item === "number") {
+                    return (
+                      <PaginationItem key={`page-${item}`}>
+                        <PaginationLink
+                          href="#"
+                          isActive={item === currentPage}
+                          onClick={(event) => {
+                            event.preventDefault()
+                            setPage(item)
+                          }}
+                        >
+                          {item}
+                        </PaginationLink>
+                      </PaginationItem>
+                    )
+                  }
+                  return (
+                    <PaginationItem key={`ellipsis-${item}-${index}`}>
+                      <PaginationEllipsis />
+                    </PaginationItem>
+                  )
+                })}
+                <PaginationItem>
+                  <PaginationNext
+                    disabled={currentPage === totalPages}
+                    onClick={() => setPage((previous) => Math.min(totalPages, previous + 1))}
+                  />
+                </PaginationItem>
+              </PaginationContent>
+            </Pagination>
+          ) : null}
+        </div>
+
+        {currentEvents.map((entry, index) => {
           const Icon = timelineIcons[entry.type] ?? IconClockHour4
-          const isLast = index === ticket.timeline.length - 1
+          const isLastGlobal = pageOffset + index === totalItems - 1
           return (
             <div key={entry.id} className="relative pl-11">
-              {!isLast && (
+              {!isLastGlobal && (
                 <span className="absolute left-[14px] top-6 h-full w-px bg-slate-200" aria-hidden />
               )}
               <span className="absolute left-0 top-0 flex size-8 items-center justify-center rounded-full border border-slate-200 bg-white text-neutral-700 shadow-sm">

src/components/ui/pagination.tsx

@@ -0,0 +1,105 @@
+import Link from "next/link"
+import { ChevronLeft, ChevronRight, MoreHorizontal } from "lucide-react"
+
+import { cn } from "@/lib/utils"
+
+type PaginationProps = React.ComponentProps<"nav">
+
+export function Pagination({ className, ...props }: PaginationProps) {
+  return <nav role="navigation" aria-label="Paginação" className={cn("mx-auto flex justify-center", className)} {...props} />
+}
+
+export function PaginationContent({ className, ...props }: React.ComponentProps<"ul">) {
+  return <ul className={cn("flex items-center gap-1", className)} {...props} />
+}
+
+export function PaginationItem({ className, ...props }: React.ComponentProps<"li">) {
+  return <li className={cn("list-none", className)} {...props} />
+}
+
+type PaginationLinkBaseProps = {
+  isActive?: boolean
+  href?: string
+  disabled?: boolean
+} & React.ComponentProps<typeof Link>
+
+export function PaginationLink({
+  className,
+  isActive,
+  disabled,
+  href = "#",
+  ...props
+}: PaginationLinkBaseProps) {
+  const Component = disabled ? "span" : Link
+
+  return (
+    <Component
+      aria-current={isActive ? "page" : undefined}
+      className={cn(
+        "inline-flex min-w-[36px] items-center justify-center rounded-lg border border-slate-200 bg-white px-3 py-1.5 text-sm font-medium text-neutral-700 shadow-sm transition hover:border-slate-300 hover:bg-slate-50 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-slate-400 disabled:pointer-events-none disabled:opacity-50",
+        isActive && "border-slate-900 bg-slate-900 text-white hover:border-slate-900 hover:bg-slate-900",
+        disabled && "cursor-not-allowed text-neutral-400 hover:border-slate-200 hover:bg-white",
+        className
+      )}
+      href={href}
+      {...(Component === Link ? props : undefined)}
+    >
+      {props.children}
+    </Component>
+  )
+}
+
+type PaginationControlProps = {
+  "aria-label": string
+  disabled?: boolean
+  onClick?: () => void
+}
+
+function ControlButton({ children, disabled, onClick, ...props }: PaginationControlProps & React.ComponentProps<"button">) {
+  return (
+    <button
+      type="button"
+      disabled={disabled}
+      onClick={onClick}
+      className={cn(
+        "inline-flex size-9 items-center justify-center rounded-lg border border-slate-200 bg-white text-neutral-700 shadow-sm transition hover:border-slate-300 hover:bg-slate-50 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-slate-400 disabled:cursor-not-allowed disabled:text-neutral-400"
+      )}
+      {...props}
+    >
+      {children}
+    </button>
+  )
+}
+
+export function PaginationPrevious({
+  disabled,
+  onClick,
+  ...props
+}: { disabled?: boolean; onClick?: () => void } & React.ComponentProps<"button">) {
+  return (
+    <ControlButton aria-label="Anterior" disabled={disabled} onClick={onClick} {...props}>
+      <ChevronLeft className="size-4" />
+    </ControlButton>
+  )
+}
+
+export function PaginationNext({
+  disabled,
+  onClick,
+  ...props
+}: { disabled?: boolean; onClick?: () => void } & React.ComponentProps<"button">) {
+  return (
+    <ControlButton aria-label="Próxima" disabled={disabled} onClick={onClick} {...props}>
+      <ChevronRight className="size-4" />
+    </ControlButton>
+  )
+}
+
+export function PaginationEllipsis({ className, ...props }: React.ComponentProps<"span">) {
+  return (
+    <span className={cn("inline-flex size-9 items-center justify-center text-neutral-500", className)} {...props}>
+      <MoreHorizontal className="size-4" />
+      <span className="sr-only">Mais páginas</span>
+    </span>
+  )
+}