feat: implement email sending functionality via Resend service

app/components/emails/message-list-container.tsx

@@ -0,0 +1,76 @@
+"use client"
+
+import { useState } from "react"
+import { Send, Inbox } from "lucide-react"
+import { Tabs, SlidingTabsList, SlidingTabsTrigger, TabsContent } from "@/components/ui/tabs"
+import { MessageList } from "./message-list"
+import { useSendPermission } from "@/hooks/use-send-permission"
+
+interface MessageListContainerProps {
+  email: {
+    id: string
+    address: string
+  }
+  onMessageSelect: (messageId: string | null, messageType?: 'received' | 'sent') => void
+  selectedMessageId?: string | null
+  refreshTrigger?: number
+}
+
+export function MessageListContainer({ email, onMessageSelect, selectedMessageId, refreshTrigger }: MessageListContainerProps) {
+  const [activeTab, setActiveTab] = useState<'received' | 'sent'>('received')
+  const { canSend: canSendEmails } = useSendPermission()
+
+  const handleTabChange = (tabId: string) => {
+    setActiveTab(tabId as 'received' | 'sent')
+    onMessageSelect(null)
+  }
+
+  return (
+    <div className="h-full flex flex-col">
+      {canSendEmails ? (
+        <Tabs value={activeTab} onValueChange={handleTabChange} className="h-full flex flex-col">
+          <div className="p-2 border-b border-primary/20">
+            <SlidingTabsList>
+              <SlidingTabsTrigger value="received">
+                <Inbox className="h-4 w-4" />
+                收件箱
+              </SlidingTabsTrigger>
+              <SlidingTabsTrigger value="sent">
+                <Send className="h-4 w-4" />
+                已发送
+              </SlidingTabsTrigger>
+            </SlidingTabsList>
+          </div>
+          
+          <TabsContent value="received" className="flex-1 overflow-hidden m-0">
+            <MessageList
+              email={email}
+              messageType="received"
+              onMessageSelect={onMessageSelect}
+              selectedMessageId={selectedMessageId}
+            />
+          </TabsContent>
+          
+          <TabsContent value="sent" className="flex-1 overflow-hidden m-0">
+            <MessageList
+              email={email}
+              messageType="sent"
+              onMessageSelect={onMessageSelect}
+              selectedMessageId={selectedMessageId}
+              refreshTrigger={refreshTrigger}
+            />
+          </TabsContent>
+        </Tabs>
+      ) : (
+        <div className="flex-1 overflow-hidden">
+          <MessageList
+            email={email}
+            messageType="received"
+            onMessageSelect={onMessageSelect}
+            selectedMessageId={selectedMessageId}
+          />
+        </div>
+      )}
+    </div>
+  )
+} 

app/components/emails/message-list.tsx

@@ -20,9 +20,13 @@ import {
 
 interface Message {
   id: string
-  from_address: string
+  from_address?: string
+  to_address?: string
   subject: string
-  received_at: number
+  received_at?: number
+  sent_at?: number
+  content?: string
+  html?: string
 }
 
 interface MessageListProps {
@@ -30,8 +34,10 @@ interface MessageListProps {
     id: string
     address: string
   }
-  onMessageSelect: (messageId: string | null) => void
+  messageType: 'received' | 'sent'
+  onMessageSelect: (messageId: string | null, messageType?: 'received' | 'sent') => void
   selectedMessageId?: string | null
+  refreshTrigger?: number
 }
 
 interface MessageResponse {
@@ -40,7 +46,7 @@ interface MessageResponse {
   total: number
 }
 
-export function MessageList({ email, onMessageSelect, selectedMessageId }: MessageListProps) {
+export function MessageList({ email, messageType, onMessageSelect, selectedMessageId, refreshTrigger }: MessageListProps) {
   const [messages, setMessages] = useState<Message[]>([])
   const [loading, setLoading] = useState(true)
   const [refreshing, setRefreshing] = useState(false)
@@ -60,6 +66,9 @@ export function MessageList({ email, onMessageSelect, selectedMessageId }: Messa
   const fetchMessages = async (cursor?: string) => {
     try {
       const url = new URL(`/api/emails/${email.id}`, window.location.origin)
+      if (messageType === 'sent') {
+        url.searchParams.set('type', 'sent')
+      }
       if (cursor) {
         url.searchParams.set('cursor', cursor)
       }
@@ -133,7 +142,7 @@ export function MessageList({ email, onMessageSelect, selectedMessageId }: Messa
 
   const handleDelete = async (message: Message) => {
     try {
-      const response = await fetch(`/api/emails/${email.id}/${message.id}`, {
+      const response = await fetch(`/api/emails/${email.id}/${message.id}${messageType === 'sent' ? '?type=sent' : ''}`, {
         method: "DELETE"
       })
 
@@ -184,6 +193,14 @@ export function MessageList({ email, onMessageSelect, selectedMessageId }: Messa
   // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [email.id])
 
+  useEffect(() => {
+    if (refreshTrigger && refreshTrigger > 0) {
+      setRefreshing(true)
+      fetchMessages()
+    }
+  // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [refreshTrigger])
+
   return (
   <>
     <div className="h-full flex flex-col">
@@ -210,7 +227,7 @@ export function MessageList({ email, onMessageSelect, selectedMessageId }: Messa
             {messages.map(message => (
               <div
                 key={message.id}
-                onClick={() => onMessageSelect(message.id)}
+                onClick={() => onMessageSelect(message.id, messageType)}
                 className={cn(
                   "p-3 hover:bg-primary/5 cursor-pointer group",
                   selectedMessageId === message.id && "bg-primary/10"
@@ -221,10 +238,12 @@ export function MessageList({ email, onMessageSelect, selectedMessageId }: Messa
                   <div className="min-w-0 flex-1">
                     <p className="font-medium text-sm truncate">{message.subject}</p>
                     <div className="mt-1 flex items-center gap-2 text-xs text-gray-500">
-                      <span className="truncate">{message.from_address}</span>
+                      <span className="truncate">
+                        {message.from_address || message.to_address || ''}
+                      </span>
                       <span className="flex items-center gap-1">
                         <Calendar className="w-3 h-3" />
-                        {new Date(message.received_at).toLocaleString()}
+                        {new Date(message.received_at || message.sent_at || 0).toLocaleString()}
                       </span>
                     </div>
                   </div>
@@ -250,7 +269,7 @@ export function MessageList({ email, onMessageSelect, selectedMessageId }: Messa
           </div>
         ) : (
           <div className="p-4 text-center text-sm text-gray-500">
-            暂无邮件
+            {messageType === 'sent' ? '暂无发送的邮件' : '暂无收到的邮件'}
           </div>
         )}
       </div>

app/components/emails/message-view.tsx

@@ -5,41 +5,72 @@ import { Loader2 } from "lucide-react"
 import { RadioGroup, RadioGroupItem } from "@/components/ui/radio-group"
 import { Label } from "@/components/ui/label"
 import { useTheme } from "next-themes"
+import { useToast } from "@/components/ui/use-toast"
 
 interface Message {
   id: string
-  from_address: string
+  from_address?: string
+  to_address?: string
   subject: string
   content: string
-  html: string | null
-  received_at: number
+  html?: string
+  received_at?: number
+  sent_at?: number
 }
 
 interface MessageViewProps {
   emailId: string
   messageId: string
+  messageType?: 'received' | 'sent'
   onClose: () => void
 }
 
 type ViewMode = "html" | "text"
 
-export function MessageView({ emailId, messageId }: MessageViewProps) {
+export function MessageView({ emailId, messageId, messageType = 'received' }: MessageViewProps) {
   const [message, setMessage] = useState<Message | null>(null)
   const [loading, setLoading] = useState(true)
+  const [error, setError] = useState<string | null>(null)
   const [viewMode, setViewMode] = useState<ViewMode>("html")
   const iframeRef = useRef<HTMLIFrameElement>(null)
   const { theme } = useTheme()
+  const { toast } = useToast()
 
   useEffect(() => {
     const fetchMessage = async () => {
       try {
-        const response = await fetch(`/api/emails/${emailId}/${messageId}`)
+        setLoading(true)
+        setError(null)
+        
+        const url = `/api/emails/${emailId}/${messageId}${messageType === 'sent' ? '?type=sent' : ''}`;
+        
+        const response = await fetch(url)
+        
+        if (!response.ok) {
+          const errorData = await response.json()
+          const errorMessage = (errorData as { error?: string }).error || '获取邮件详情失败'
+          setError(errorMessage)
+          toast({
+            title: "错误",
+            description: errorMessage,
+            variant: "destructive"
+          })
+          return
+        }
+        
         const data = await response.json() as { message: Message }
         setMessage(data.message)
         if (!data.message.html) {
           setViewMode("text")
         }
       } catch (error) {
+        const errorMessage = "网络错误，请稍后重试"
+        setError(errorMessage)
+        toast({
+          title: "错误", 
+          description: errorMessage,
+          variant: "destructive"
+        })
         console.error("Failed to fetch message:", error)
       } finally {
         setLoading(false)
@@ -47,7 +78,7 @@ export function MessageView({ emailId, messageId }: MessageViewProps) {
     }
 
     fetchMessage()
-  }, [emailId, messageId])
+  }, [emailId, messageId, messageType, toast])
 
   const updateIframeContent = () => {
     if (viewMode === "html" && message?.html && iframeRef.current) {
@@ -151,6 +182,21 @@ export function MessageView({ emailId, messageId }: MessageViewProps) {
     return (
       <div className="flex items-center justify-center h-32">
         <Loader2 className="w-5 h-5 animate-spin text-primary/60" />
+        <span className="ml-2 text-sm text-gray-500">加载邮件详情...</span>
+      </div>
+    )
+  }
+
+  if (error) {
+    return (
+      <div className="flex flex-col items-center justify-center h-32 text-center">
+        <p className="text-sm text-destructive mb-2">{error}</p>
+        <button 
+          onClick={() => window.location.reload()} 
+          className="text-xs text-primary hover:underline"
+        >
+          点击重试
+        </button>
       </div>
     )
   }
@@ -162,12 +208,17 @@ export function MessageView({ emailId, messageId }: MessageViewProps) {
       <div className="p-4 space-y-3 border-b border-primary/20">
         <h3 className="text-base font-bold">{message.subject}</h3>
         <div className="text-xs text-gray-500 space-y-1">
-          <p>发件人：{message.from_address}</p>
-          <p>时间：{new Date(message.received_at).toLocaleString()}</p>
+          {message.from_address && (
+            <p>发件人：{message.from_address}</p>
+          )}
+          {message.to_address && (
+            <p>收件人：{message.to_address}</p>
+          )}
+          <p>时间：{new Date(message.sent_at || message.received_at || 0).toLocaleString()}</p>
         </div>
       </div>
       
-      {message.html && (
+      {message.html && message.content && (
         <div className="border-b border-primary/20 p-2">
           <RadioGroup
             value={viewMode}

app/components/emails/send-dialog.tsx

@@ -0,0 +1,138 @@
+"use client"
+
+import { useState } from "react"
+import { Button } from "@/components/ui/button"
+import { Input } from "@/components/ui/input"
+import { Textarea } from "@/components/ui/textarea"
+import { Dialog, DialogContent, DialogHeader, DialogTitle, DialogTrigger } from "@/components/ui/dialog"
+import { Send } from "lucide-react"
+import { useToast } from "@/components/ui/use-toast"
+import {
+  Tooltip,
+  TooltipContent,
+  TooltipProvider,
+  TooltipTrigger,
+} from "@/components/ui/tooltip"
+
+interface SendDialogProps {
+  emailId: string
+  fromAddress: string
+  onSendSuccess?: () => void
+}
+
+export function SendDialog({ emailId, fromAddress, onSendSuccess }: SendDialogProps) {
+  const [open, setOpen] = useState(false)
+  const [loading, setLoading] = useState(false)
+  const [to, setTo] = useState("")
+  const [subject, setSubject] = useState("")
+  const [content, setContent] = useState("")
+  const { toast } = useToast()
+
+  const handleSend = async () => {
+    if (!to.trim() || !subject.trim() || !content.trim()) {
+      toast({
+        title: "错误",
+        description: "收件人、主题和内容都是必填项",
+        variant: "destructive"
+      })
+      return
+    }
+
+    setLoading(true)
+    try {
+      const response = await fetch(`/api/emails/${emailId}/send`, {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ to, subject, content })
+      })
+
+      if (!response.ok) {
+        const data = await response.json()
+        toast({
+          title: "错误",
+          description: (data as { error: string }).error,
+          variant: "destructive"
+        })
+        return
+      }
+
+      toast({
+        title: "成功",
+        description: "邮件已发送"
+      })
+      setOpen(false)
+      setTo("")
+      setSubject("")
+      setContent("")
+      
+      onSendSuccess?.()
+    
+    } catch {
+      toast({
+        title: "错误",
+        description: "发送邮件失败",
+        variant: "destructive"
+      })
+    } finally {
+      setLoading(false)
+    }
+  }
+
+  return (
+    <Dialog open={open} onOpenChange={setOpen}>
+      <TooltipProvider>
+        <Tooltip>
+          <DialogTrigger asChild>
+            <TooltipTrigger asChild>
+              <Button 
+                variant="ghost" 
+                size="sm"
+                className="h-8 gap-2 hover:bg-primary/10 hover:text-primary transition-colors"
+              >
+                <Send className="h-4 w-4" />
+                <span className="hidden sm:inline">发送邮件</span>
+              </Button>
+            </TooltipTrigger>
+          </DialogTrigger>
+          <TooltipContent className="sm:hidden">
+            <p>使用此邮箱发送新邮件</p>
+          </TooltipContent>
+        </Tooltip>
+      </TooltipProvider>
+      <DialogContent>
+        <DialogHeader>
+          <DialogTitle>发送新邮件</DialogTitle>
+        </DialogHeader>
+        <div className="space-y-4 py-4">
+          <div className="text-sm text-muted-foreground">
+            发件人: {fromAddress}
+          </div>
+          <Input
+            value={to}
+            onChange={(e: React.ChangeEvent<HTMLInputElement>) => setTo(e.target.value)}
+            placeholder="收件人邮箱地址"
+          />
+          <Input
+            value={subject}
+            onChange={(e: React.ChangeEvent<HTMLInputElement>) => setSubject(e.target.value)}
+            placeholder="邮件主题"
+          />
+          <Textarea
+            value={content}
+            onChange={(e: React.ChangeEvent<HTMLTextAreaElement>) => setContent(e.target.value)}
+            placeholder="邮件内容"
+            rows={6}
+          />
+        </div>
+        <div className="flex justify-end gap-2">
+          <Button variant="outline" onClick={() => setOpen(false)} disabled={loading}>
+            取消
+          </Button>
+          <Button onClick={handleSend} disabled={loading}>
+            {loading ? "发送中..." : "发送"}
+          </Button>
+        </div>
+      </DialogContent>
+    </Dialog>
+  )
+} 

app/components/emails/three-column-layout.tsx

@@ -2,10 +2,12 @@
 
 import { useState } from "react"
 import { EmailList } from "./email-list"
-import { MessageList } from "./message-list"
+import { MessageListContainer } from "./message-list-container"
 import { MessageView } from "./message-view"
+import { SendDialog } from "./send-dialog"
 import { cn } from "@/lib/utils"
 import { useCopy } from "@/hooks/use-copy"
+import { useSendPermission } from "@/hooks/use-send-permission"
 import { Copy } from "lucide-react"
 
 interface Email {
@@ -16,7 +18,10 @@ interface Email {
 export function ThreeColumnLayout() {
   const [selectedEmail, setSelectedEmail] = useState<Email | null>(null)
   const [selectedMessageId, setSelectedMessageId] = useState<string | null>(null)
+  const [selectedMessageType, setSelectedMessageType] = useState<'received' | 'sent'>('received')
+  const [refreshTrigger, setRefreshTrigger] = useState(0)
   const { copyToClipboard } = useCopy()
+  const { canSend: canSendEmails } = useSendPermission()
 
   const columnClass = "border-2 border-primary/20 bg-background rounded-lg overflow-hidden flex flex-col"
   const headerClass = "p-2 border-b-2 border-primary/20 flex items-center justify-between shrink-0"
@@ -35,6 +40,15 @@ export function ThreeColumnLayout() {
     copyToClipboard(selectedEmail?.address || "")
   }
 
+  const handleMessageSelect = (messageId: string | null, messageType: 'received' | 'sent' = 'received') => {
+    setSelectedMessageId(messageId)
+    setSelectedMessageType(messageType)
+  }
+
+  const handleSendSuccess = () => {
+    setRefreshTrigger(prev => prev + 1)
+  }
+
   return (
     <div className="pb-5 pt-20 h-full flex flex-col">
       {/* 桌面端三栏布局 */}
@@ -58,11 +72,20 @@ export function ThreeColumnLayout() {
           <div className={headerClass}>
             <h2 className={titleClass}>
               {selectedEmail ? (
-                <div className="w-full flex items-center gap-2">
-                  <span className="truncate min-w-0">{selectedEmail.address}</span>
-                  <div className="shrink-0 cursor-pointer text-primary" onClick={copyEmailAddress}>
-                    <Copy className="size-4" />
+                <div className="w-full flex justify-between items-center gap-2">
+                  <div className="flex items-center gap-2">
+                    <span className="truncate min-w-0">{selectedEmail.address}</span>
+                    <div className="shrink-0 cursor-pointer text-primary" onClick={copyEmailAddress}>
+                      <Copy className="size-4" />
+                    </div>
                   </div>
+                  {selectedEmail && canSendEmails && (
+                    <SendDialog 
+                      emailId={selectedEmail.id} 
+                      fromAddress={selectedEmail.address}
+                      onSendSuccess={handleSendSuccess}
+                    />
+                  )}
                 </div>
               ) : (
                 "选择邮箱查看消息"
@@ -71,10 +94,11 @@ export function ThreeColumnLayout() {
           </div>
           {selectedEmail && (
             <div className="flex-1 overflow-auto">
-              <MessageList
+              <MessageListContainer
                 email={selectedEmail}
-                onMessageSelect={setSelectedMessageId}
+                onMessageSelect={handleMessageSelect}
                 selectedMessageId={selectedMessageId}
+                refreshTrigger={refreshTrigger}
               />
             </div>
           )}
@@ -91,6 +115,7 @@ export function ThreeColumnLayout() {
               <MessageView
                 emailId={selectedEmail.id}
                 messageId={selectedMessageId}
+                messageType={selectedMessageType}
                 onClose={() => setSelectedMessageId(null)}
               />
             </div>
@@ -128,18 +153,28 @@ export function ThreeColumnLayout() {
                 >
                   ← 返回邮箱列表
                 </button>
-                <div className="flex-1 flex items-center gap-2 min-w-0">
-                  <span className="truncate min-w-0 flex-1 text-right">{selectedEmail.address}</span>
-                  <div className="shrink-0 cursor-pointer text-primary" onClick={copyEmailAddress}>
-                    <Copy className="size-4" />
+                <div className="flex-1 flex justify-between items-center gap-2 min-w-0">
+                  <div className="flex items-center gap-2">
+                    <span className="truncate min-w-0 flex-1 text-right">{selectedEmail.address}</span>
+                    <div className="shrink-0 cursor-pointer text-primary" onClick={copyEmailAddress}>
+                      <Copy className="size-4" />
+                    </div>
                   </div>
+                  {canSendEmails && (
+                    <SendDialog 
+                      emailId={selectedEmail.id} 
+                      fromAddress={selectedEmail.address}
+                      onSendSuccess={handleSendSuccess}
+                    />
+                  )}
                 </div>
               </div>
               <div className="flex-1 overflow-auto">
-                <MessageList
+                <MessageListContainer
                   email={selectedEmail}
-                  onMessageSelect={setSelectedMessageId}
+                  onMessageSelect={handleMessageSelect}
                   selectedMessageId={selectedMessageId}
+                  refreshTrigger={refreshTrigger}
                 />
               </div>
             </div>
@@ -160,6 +195,7 @@ export function ThreeColumnLayout() {
                 <MessageView
                   emailId={selectedEmail.id}
                   messageId={selectedMessageId}
+                  messageType={selectedMessageType}
                   onClose={() => setSelectedMessageId(null)}
                 />
               </div>