411 lines
13 KiB
TypeScript
411 lines
13 KiB
TypeScript
"use client"
|
|
import { useState, useEffect, useRef, useCallback } from "react"
|
|
import Image from "next/image"
|
|
import { Minus, Plus, Trash2, Loader2, AlertTriangle } from "lucide-react"
|
|
import { Button } from "@/components/ui/button"
|
|
import { Card } from "@/components/ui/card"
|
|
import {
|
|
Dialog,
|
|
DialogContent,
|
|
DialogDescription,
|
|
DialogHeader,
|
|
DialogTitle,
|
|
} from "@/components/ui/dialog"
|
|
import { useUpdateCartItemQuantity, useRemoveFromCart } from "@/lib/hooks"
|
|
import { useTranslations } from "next-intl"
|
|
import type { CartItem } from "@/lib/types/api"
|
|
|
|
interface CartItemCardProps {
|
|
item: CartItem
|
|
onUpdate?: () => void
|
|
}
|
|
|
|
// Session Storage Key
|
|
const PENDING_CART_UPDATES_KEY = 'pendingCartUpdates'
|
|
|
|
interface PendingUpdate {
|
|
quantity: number
|
|
timestamp: number
|
|
retryCount: number
|
|
}
|
|
|
|
export default function CartItemCard({ item, onUpdate }: CartItemCardProps) {
|
|
const t = useTranslations()
|
|
|
|
// Local UI State (Instant feedback)
|
|
const [localQuantity, setLocalQuantity] = useState(item.quantity)
|
|
|
|
// Sync State
|
|
const [isSyncing, setIsSyncing] = useState(false)
|
|
const [syncError, setSyncError] = useState(false)
|
|
|
|
// Stock limit modal
|
|
const [showStockModal, setShowStockModal] = useState(false)
|
|
|
|
// Refs
|
|
const debounceTimerRef = useRef<NodeJS.Timeout | undefined>(undefined)
|
|
const isRequestInFlightRef = useRef(false)
|
|
const pendingQuantityRef = useRef<number | null>(null)
|
|
const retryCountRef = useRef(0)
|
|
const retryTimerRef = useRef<NodeJS.Timeout | undefined>(undefined)
|
|
|
|
// Function refs to solve circular dependency
|
|
const syncToServerRef = useRef<((quantity: number) => void) | null>(null)
|
|
const retrySyncRef = useRef<((quantity: number) => void) | null>(null)
|
|
|
|
const { mutate: updateQuantity } = useUpdateCartItemQuantity()
|
|
const { mutate: removeItem, isPending: isRemoving } = useRemoveFromCart()
|
|
|
|
// Get available stock
|
|
const availableStock = item.product.stock || 0
|
|
|
|
// Initialize from server state
|
|
useEffect(() => {
|
|
setLocalQuantity(item.quantity)
|
|
}, [item.quantity])
|
|
|
|
// Save to sessionStorage
|
|
const savePendingUpdate = useCallback((quantity: number) => {
|
|
try {
|
|
const stored = sessionStorage.getItem(PENDING_CART_UPDATES_KEY)
|
|
const pending: Record<number, PendingUpdate> = stored ? JSON.parse(stored) : {}
|
|
|
|
pending[item.product_id] = {
|
|
quantity,
|
|
timestamp: Date.now(),
|
|
retryCount: retryCountRef.current
|
|
}
|
|
|
|
sessionStorage.setItem(PENDING_CART_UPDATES_KEY, JSON.stringify(pending))
|
|
} catch (error) {
|
|
console.error('Failed to save pending update:', error)
|
|
}
|
|
}, [item.product_id])
|
|
|
|
// Remove from sessionStorage
|
|
const clearPendingUpdate = useCallback(() => {
|
|
try {
|
|
const stored = sessionStorage.getItem(PENDING_CART_UPDATES_KEY)
|
|
if (stored) {
|
|
const pending: Record<number, PendingUpdate> = JSON.parse(stored)
|
|
delete pending[item.product_id]
|
|
|
|
if (Object.keys(pending).length === 0) {
|
|
sessionStorage.removeItem(PENDING_CART_UPDATES_KEY)
|
|
} else {
|
|
sessionStorage.setItem(PENDING_CART_UPDATES_KEY, JSON.stringify(pending))
|
|
}
|
|
}
|
|
} catch (error) {
|
|
console.error('Failed to clear pending update:', error)
|
|
}
|
|
}, [item.product_id])
|
|
|
|
// Exponential backoff retry
|
|
const retrySync = useCallback((quantity: number) => {
|
|
const maxRetries = 4
|
|
const retryCount = retryCountRef.current
|
|
|
|
if (retryCount >= maxRetries) {
|
|
setSyncError(true)
|
|
setIsSyncing(false)
|
|
return
|
|
}
|
|
|
|
const delay = Math.min(1000 * Math.pow(2, retryCount), 16000) // Max 16s
|
|
retryCountRef.current++
|
|
|
|
retryTimerRef.current = setTimeout(() => {
|
|
syncToServerRef.current?.(quantity)
|
|
}, delay)
|
|
}, [])
|
|
|
|
// Update ref
|
|
retrySyncRef.current = retrySync
|
|
|
|
// Sync to server
|
|
const syncToServer = useCallback((quantity: number) => {
|
|
// If already syncing, queue this update
|
|
if (isRequestInFlightRef.current) {
|
|
pendingQuantityRef.current = quantity
|
|
return
|
|
}
|
|
|
|
// Mark as syncing
|
|
isRequestInFlightRef.current = true
|
|
setIsSyncing(true)
|
|
setSyncError(false)
|
|
|
|
if (quantity <= 0) {
|
|
removeItem(item.product_id, {
|
|
onSuccess: () => {
|
|
isRequestInFlightRef.current = false
|
|
setIsSyncing(false)
|
|
retryCountRef.current = 0
|
|
clearPendingUpdate()
|
|
onUpdate?.()
|
|
|
|
// Process queued update if any
|
|
if (pendingQuantityRef.current !== null) {
|
|
const nextQuantity = pendingQuantityRef.current
|
|
pendingQuantityRef.current = null
|
|
setTimeout(() => syncToServerRef.current?.(nextQuantity), 100)
|
|
}
|
|
},
|
|
onError: (error) => {
|
|
console.error('Remove failed:', error)
|
|
isRequestInFlightRef.current = false
|
|
retrySyncRef.current?.(quantity)
|
|
}
|
|
})
|
|
} else {
|
|
updateQuantity(
|
|
{ productId: item.product_id, quantity },
|
|
{
|
|
onSuccess: () => {
|
|
isRequestInFlightRef.current = false
|
|
setIsSyncing(false)
|
|
retryCountRef.current = 0
|
|
clearPendingUpdate()
|
|
onUpdate?.()
|
|
|
|
// Process queued update if any
|
|
if (pendingQuantityRef.current !== null) {
|
|
const nextQuantity = pendingQuantityRef.current
|
|
pendingQuantityRef.current = null
|
|
setTimeout(() => syncToServerRef.current?.(nextQuantity), 100)
|
|
}
|
|
},
|
|
onError: (error) => {
|
|
console.error('Update failed:', error)
|
|
isRequestInFlightRef.current = false
|
|
|
|
// Rollback on error after retries exhausted
|
|
if (retryCountRef.current >= 3) {
|
|
setLocalQuantity(item.quantity)
|
|
clearPendingUpdate()
|
|
}
|
|
|
|
retrySyncRef.current?.(quantity)
|
|
}
|
|
}
|
|
)
|
|
}
|
|
}, [item.product_id, item.quantity, updateQuantity, removeItem, onUpdate, clearPendingUpdate])
|
|
|
|
// Update ref
|
|
syncToServerRef.current = syncToServer
|
|
|
|
// Load pending updates from sessionStorage on mount
|
|
useEffect(() => {
|
|
const loadPendingUpdates = () => {
|
|
try {
|
|
const stored = sessionStorage.getItem(PENDING_CART_UPDATES_KEY)
|
|
if (stored) {
|
|
const pending: Record<number, PendingUpdate> = JSON.parse(stored)
|
|
const productPending = pending[item.product_id]
|
|
|
|
if (productPending && productPending.quantity !== item.quantity) {
|
|
// Apply pending update
|
|
setLocalQuantity(productPending.quantity)
|
|
pendingQuantityRef.current = productPending.quantity
|
|
retryCountRef.current = productPending.retryCount
|
|
|
|
// Trigger sync after a short delay
|
|
setTimeout(() => syncToServerRef.current?.(productPending.quantity), 500)
|
|
}
|
|
}
|
|
} catch (error) {
|
|
console.error('Failed to load pending updates:', error)
|
|
}
|
|
}
|
|
|
|
loadPendingUpdates()
|
|
}, [item.product_id, item.quantity])
|
|
|
|
// Debounced sync
|
|
useEffect(() => {
|
|
// Clear existing timers
|
|
if (debounceTimerRef.current) {
|
|
clearTimeout(debounceTimerRef.current)
|
|
}
|
|
|
|
// If local quantity matches server, no sync needed
|
|
if (localQuantity === item.quantity) {
|
|
return
|
|
}
|
|
|
|
// Save to sessionStorage immediately
|
|
savePendingUpdate(localQuantity)
|
|
|
|
// Debounce the API call
|
|
debounceTimerRef.current = setTimeout(() => {
|
|
syncToServerRef.current?.(localQuantity)
|
|
}, 800)
|
|
|
|
return () => {
|
|
if (debounceTimerRef.current) {
|
|
clearTimeout(debounceTimerRef.current)
|
|
}
|
|
}
|
|
}, [localQuantity, item.quantity, savePendingUpdate])
|
|
|
|
// Cleanup
|
|
useEffect(() => {
|
|
return () => {
|
|
if (debounceTimerRef.current) clearTimeout(debounceTimerRef.current)
|
|
if (retryTimerRef.current) clearTimeout(retryTimerRef.current)
|
|
}
|
|
}, [])
|
|
|
|
const handleQuantityIncrease = (e: React.MouseEvent) => {
|
|
e.preventDefault()
|
|
e.stopPropagation()
|
|
|
|
// Check stock limit
|
|
if (localQuantity >= availableStock) {
|
|
setShowStockModal(true)
|
|
return
|
|
}
|
|
|
|
// Optimistic update (instant UI feedback)
|
|
setLocalQuantity(prev => prev + 1)
|
|
}
|
|
|
|
const handleQuantityDecrease = (e: React.MouseEvent) => {
|
|
e.preventDefault()
|
|
e.stopPropagation()
|
|
|
|
if (localQuantity <= 1) {
|
|
handleDelete()
|
|
return
|
|
}
|
|
|
|
// Optimistic update (instant UI feedback)
|
|
setLocalQuantity(prev => prev - 1)
|
|
}
|
|
|
|
const handleDelete = () => {
|
|
setLocalQuantity(0)
|
|
clearPendingUpdate()
|
|
}
|
|
|
|
const getImageSrc = () => {
|
|
if (item.product.image) return item.product.image
|
|
if (item.product.images && item.product.images.length > 0) return item.product.images[0]
|
|
return "/placeholder.svg"
|
|
}
|
|
|
|
return (
|
|
<>
|
|
<Card className="p-4 shadow-none border">
|
|
<div className="flex flex-col sm:flex-row gap-4">
|
|
<div className="flex gap-4 flex-1">
|
|
<div className="relative w-[88px] h-[117px] rounded-xl border overflow-hidden flex-shrink-0">
|
|
<Image src={getImageSrc()} alt={item.product.name} fill className="object-contain" />
|
|
</div>
|
|
<div className="flex flex-col gap-2">
|
|
<h3 className="font-semibold text-base">{item.product.name}</h3>
|
|
<p className="text-sm text-gray-600">{item.seller?.name || "Store"}</p>
|
|
{availableStock <= 5 && (
|
|
<p className="text-xs text-orange-600 font-medium">
|
|
{t("only_left", { count: availableStock })}
|
|
</p>
|
|
)}
|
|
<Button
|
|
variant="ghost"
|
|
size="sm"
|
|
onClick={handleDelete}
|
|
disabled={isRemoving}
|
|
className="w-fit p-0 h-auto hover:bg-transparent hover:text-red-500"
|
|
>
|
|
<Trash2 className="h-5 w-5" />
|
|
</Button>
|
|
</div>
|
|
</div>
|
|
|
|
<div className="flex flex-col sm:flex-row items-start sm:items-center gap-4 justify-between">
|
|
<div className="space-y-1">
|
|
<p className="text-sm font-semibold">
|
|
{t("unit_price")} <span className="text-primary">{item.price_formatted}</span>
|
|
</p>
|
|
|
|
{item.discount_formatted && item.discount_formatted !== "0 TMT" && (
|
|
<p className="text-sm font-semibold">{t("discount")} {item.discount_formatted}</p>
|
|
)}
|
|
<div className="flex items-center gap-2">
|
|
<span className="text-sm font-semibold">{t("total_price")}</span>
|
|
<span className="bg-green-500 text-white px-3 py-1 rounded-lg font-semibold text-base">
|
|
{(parseFloat(item.product.price_amount || "0") * localQuantity).toFixed(2)} TMT
|
|
</span>
|
|
</div>
|
|
</div>
|
|
|
|
<div className="flex items-center gap-2">
|
|
<Button
|
|
variant="outline"
|
|
size="icon"
|
|
onClick={handleQuantityDecrease}
|
|
className={` cursor-pointerrounded-xl bg-blue-50 ${isSyncing ? 'opacity-70' : ''}`}
|
|
>
|
|
<Minus className="h-4 w-4" />
|
|
</Button>
|
|
|
|
<div className="w-12 text-center font-semibold relative">
|
|
{localQuantity}
|
|
{isSyncing && (
|
|
<Loader2 className="h-3 w-3 animate-spin absolute -top-1 -right-3 text-blue-500" />
|
|
)}
|
|
{syncError && (
|
|
<span className="absolute -top-1 -right-3 h-2 w-2 bg-red-500 rounded-full" title="Sync error" />
|
|
)}
|
|
</div>
|
|
|
|
<Button
|
|
variant="outline"
|
|
size="icon"
|
|
onClick={handleQuantityIncrease}
|
|
disabled={localQuantity >= availableStock}
|
|
className={`rounded-xl cursor-pointer bg-blue-50 ${isSyncing ? 'opacity-70' : ''} ${
|
|
localQuantity >= availableStock ? 'opacity-50 cursor-not-allowed' : ''
|
|
}`}
|
|
>
|
|
<Plus className="h-4 w-4 text-[#007AFF]" />
|
|
</Button>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</Card>
|
|
|
|
{/* Stock Limit Modal */}
|
|
<Dialog open={showStockModal} onOpenChange={setShowStockModal}>
|
|
<DialogContent className="sm:max-w-md">
|
|
<DialogHeader>
|
|
<div className="flex items-center justify-center mb-4">
|
|
<div className="rounded-full bg-orange-100 p-3">
|
|
<AlertTriangle className="h-6 w-6 text-orange-600" />
|
|
</div>
|
|
</div>
|
|
<DialogTitle className="text-center text-xl">
|
|
{t("stock_limit_title")}
|
|
</DialogTitle>
|
|
<DialogDescription className="text-center text-base pt-2">
|
|
{t("stock_limit_message", {
|
|
product: item.product.name,
|
|
stock: availableStock
|
|
})}
|
|
</DialogDescription>
|
|
</DialogHeader>
|
|
<div className="flex justify-center mt-4">
|
|
<Button
|
|
onClick={() => setShowStockModal(false)}
|
|
className="w-full rounded-xl"
|
|
>
|
|
{t("understood")}
|
|
</Button>
|
|
</div>
|
|
</DialogContent>
|
|
</Dialog>
|
|
</>
|
|
)
|
|
} |