revert(auth): revert to old code

.github/workflows/main.yml

@@ -12,6 +12,7 @@ env:
 
   # Find a workaround for this.
   DATABASE_URL: "postgresql://admin:admin@localhost:5432/cooper?schema=public"
+  NEXTAUTH_URL: "localhost:3000"
   NEXTAUTH_SECRET: "sec"
   GOOGLE_CLIENT_ID: "cooper"
   GOOGLE_CLIENT_SECRET: "cooper"

src/server/auth.ts

@@ -5,7 +5,6 @@ import {
   type NextAuthOptions,
 } from "next-auth";
 import GoogleProvider from "next-auth/providers/google";
-import CredentialsProvider from "next-auth/providers/credentials";
 
 import { env } from "~/env";
 import { db } from "~/server/db";
@@ -30,53 +29,6 @@ declare module "next-auth" {
   //   // role: UserRole;
   // }
 }
-
-/**
- * Provider to be used in a production environment.
- */
-const productionProviders = [
-  GoogleProvider({
-    clientId: env.GOOGLE_CLIENT_ID ?? "",
-    clientSecret: env.GOOGLE_CLIENT_SECRET ?? "",
-  }),
-  /**
-   * ...add more providers here.
-   *
-   * Most other providers require a bit more work than the Discord provider. For example, the
-   * GitHub provider requires you to add the `refresh_token_expires_in` field to the Account
-   * model. Refer to the NextAuth.js docs for the provider you want to use. Example:
-   *
-   * @see https://next-auth.js.org/providers/github
-   */
-];
-
-/**
- * Provider to be used in a Vercel Preview
- */
-const previewProvider = [
-  CredentialsProvider({
-    name: "TEST USER",
-    id: "cooper-test-provider",
-    async authorize() {
-      return {
-        id: "1",
-        name: "Cooper Test User",
-        email: "[email protected]",
-        image: "https://i.pravatar.cc/[email protected]",
-      };
-    },
-    credentials: {},
-  }),
-];
-
-const getProvider = () => {
-  if (process.env.VERCEL_ENV === "preview") {
-    return previewProvider;
-  } else {
-    return productionProviders;
-  }
-};
-
 /**
  * Options for NextAuth.js used to configure adapters, providers, callbacks, etc.
  *
@@ -93,7 +45,21 @@ export const authOptions: NextAuthOptions = {
     }),
   },
   adapter: PrismaAdapter(db),
-  providers: getProvider(),
+  providers: [
+    GoogleProvider({
+      clientId: env.GOOGLE_CLIENT_ID ?? "",
+      clientSecret: env.GOOGLE_CLIENT_SECRET ?? "",
+    }),
+    /**
+     * ...add more providers here.
+     *
+     * Most other providers require a bit more work than the Discord provider. For example, the
+     * GitHub provider requires you to add the `refresh_token_expires_in` field to the Account
+     * model. Refer to the NextAuth.js docs for the provider you want to use. Example:
+     *
+     * @see https://next-auth.js.org/providers/github
+     */
+  ],
 };
 
 /**