refactor: Simplify OAuth authorization page and component with direct SSO handling

src/app/(auth)/sign-in/page.tsx

@@ -32,7 +32,7 @@ export default function LoginPage() {
           <MessageCircleCode className="mx-auto size-12" />
           <div className="text-2xl font-semibold tracking-tight">
             <span>Welcome to</span>{" "}
-            <span style={{ fontFamily: "Bahamas Bold" }}>Q58论坛 Connect</span>
+            <span style={{ fontFamily: "Bahamas Bold" }}>Q58 Connect</span>
           </div>
         </div>
         <Suspense>

src/app/(oauth)/oauth/authorize/page.tsx

@@ -6,18 +6,19 @@ import { Authorizing } from "@/components/auth/authorizing";
 import { ErrorCard } from "@/components/auth/error-card";
 
 export interface AuthorizeParams {
+  scope?: string;
   response_type: string;
   client_id: string;
   redirect_uri: string;
-  scope?: string;
   state?: string;
 }
 
-export default async function AuthorizePage({
+export default async function OAuthAuthorization({
   searchParams,
 }: {
   searchParams: AuthorizeParams;
 }) {
+  // 检查用户是否已登录
   const user = await getCurrentUser();
   if (!user?.id) {
     redirect("/sign-in");
@@ -57,6 +58,7 @@ export default async function AuthorizePage({
     );
   }
 
+  // 验证客户端
   const client = await getClientByClientId(searchParams.client_id);
   if (!client) {
     return (
@@ -102,25 +104,10 @@ export default async function AuthorizePage({
     );
   }
 
-  // 构建 OAuth 参数
-  const oauthParams = new URLSearchParams();
-  oauthParams.set("response_type", searchParams.response_type);
-  oauthParams.set("client_id", searchParams.client_id);
-  oauthParams.set("redirect_uri", searchParams.redirect_uri);
-  if (searchParams.scope) oauthParams.set("scope", searchParams.scope);
-  if (searchParams.state) oauthParams.set("state", searchParams.state);
-
-  // 转换参数格式
-  const authorizeParams = {
-    oauth: btoa(oauthParams.toString()),
-    clientId: client.id,
-    scope: searchParams.scope || "read_profile",
-    redirectUri: searchParams.redirect_uri,
-  };
-
+  // 使用原始的 Authorizing 组件处理授权流程
   return (
-    <div className="flex min-h-screen items-center justify-center p-4">
-      <Authorizing {...authorizeParams} />
+    <div className="flex min-h-screen items-center justify-center bg-gray-50 p-4">
+      <Authorizing />
     </div>
   );
 }

src/components/auth/authorizing.tsx

@@ -1,67 +1,60 @@
 "use client";
 
-import { useEffect, useState } from "react";
-import { useRouter } from "next/navigation";
-import { handleAuthorizeAction } from "@/actions/authorizing";
+import { useCallback, useEffect, useState } from "react";
+import { useRouter, useSearchParams } from "next/navigation";
+import { getDiscourseSSOUrl } from "@/actions/discourse-sso-url";
 
 import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
 import { ErrorCard } from "@/components/auth/error-card";
 
-interface AuthorizingProps {
-  oauth: string;
-  clientId: string;
-  scope: string;
-  redirectUri: string;
-}
-
-export function Authorizing({
-  oauth,
-  clientId,
-  scope,
-  redirectUri,
-}: AuthorizingProps) {
-  const [error, setError] = useState<string | null>(null);
+export function Authorizing() {
+  const router = useRouter();
+  const searchParams = useSearchParams();
+  const [error, setError] = useState<unknown | null>(null);
   const [isLoading, setIsLoading] = useState(true);
 
-  useEffect(() => {
-    const authorize = async () => {
+  const signInCallback = useCallback(async () => {
     try {
-        const result = await handleAuthorizeAction(oauth, clientId, scope);
-        if (result.error) {
-          setError(result.error);
-        } else if (result.redirectUrl) {
-          const url = await result.redirectUrl;
-          window.location.href = url;
-        } else {
-          setError("授权响应无效");
-        }
-      } catch (err) {
-        console.error("授权过程出错:", err);
-        setError(err instanceof Error ? err.message : "授权过程发生未知错误");
-      } finally {
+      const url = await getDiscourseSSOUrl(searchParams.toString());
+      router.push(url);
+    } catch (error) {
+      setError(error);
       setIsLoading(false);
     }
-    };
+  }, [router, searchParams]);
 
-    authorize();
-  }, [oauth, clientId, scope]);
+  useEffect(() => {
+    // Delay 3s get sso url go to ...
+    const timer = setTimeout(signInCallback, 3);
+    return () => {
+      clearTimeout(timer);
+    };
+  }, [signInCallback]);
 
   if (error) {
     return (
-      <div className="flex min-h-screen items-center justify-center p-4">
-        <ErrorCard
-          title="授权失败"
-          description={error}
-          redirectUri={redirectUri}
-          error="access_denied"
-          errorDescription={error}
-        />
+      <Card className="w-full">
+        <CardHeader className="space-y-4 text-center">
+          <div className="mx-auto flex h-16 w-16 items-center justify-center rounded-full bg-red-100">
+            <div className="h-8 w-8 text-red-600">❌</div>
           </div>
+          <CardTitle className="text-2xl font-semibold text-red-600">
+            授权失败
+          </CardTitle>
+        </CardHeader>
+        <CardContent>
+          <p className="text-center text-gray-500">
+            {error instanceof Error
+              ? error.message
+              : "授权异常，登录失败！请稍后重试。"}
+          </p>
+        </CardContent>
+      </Card>
     );
   }
 
   return (
-    <Card className="w-full max-w-md">
+    <Card className="w-full">
       <CardHeader className="space-y-4 text-center">
         <div className="mx-auto flex h-16 w-16 items-center justify-center rounded-full bg-blue-100">
           <div className="h-8 w-8 animate-spin rounded-full border-4 border-blue-600 border-t-transparent"></div>

src/components/auth/user-auth-form.tsx

@@ -62,7 +62,7 @@ export function UserAuthForm({
         ) : (
           <MessageCircleCode className="mr-2 size-4" />
         )}{" "}
-        Q58
+        Q58论坛
       </button>
     </div>
   );