support remove server admin

cli/commands/setServerAdmin.ts

@@ -4,19 +4,26 @@ import { eq } from "drizzle-orm";
 
 type SetServerAdminArgs = {
     email: string;
+    remove: boolean;
 };
 
 export const setServerAdmin: CommandModule<{}, SetServerAdminArgs> = {
     command: "set-server-admin",
-    describe: "Mark any user as a server admin by email address",
+    describe: "Add or remove server admin by email address",
     builder: (yargs) => {
-        return yargs.option("email", {
-            type: "string",
-            demandOption: true,
-            describe: "User email address"
-        });
+        return yargs
+            .option("email", {
+                type: "string",
+                demandOption: true,
+                describe: "User email address"
+            })
+            .option("remove", {
+                type: "boolean",
+                default: false,
+                describe: "Remove server admin status from the user"
+            });
     },
-    handler: async (argv: { email: string }) => {
+    handler: async (argv: SetServerAdminArgs) => {
         try {
             const email = argv.email.trim().toLowerCase();
 
@@ -31,6 +38,33 @@ export const setServerAdmin: CommandModule<{}, SetServerAdminArgs> = {
                 process.exit(1);
             }
 
+            if (argv.remove) {
+                if (!user.serverAdmin) {
+                    console.log(`User '${email}' is not a server admin`);
+                    process.exit(0);
+                }
+
+                const serverAdmins = await db
+                    .select()
+                    .from(users)
+                    .where(eq(users.serverAdmin, true));
+
+                if (serverAdmins.length <= 1) {
+                    console.error(
+                        "Cannot remove server admin: at least one server admin must exist"
+                    );
+                    process.exit(1);
+                }
+
+                await db
+                    .update(users)
+                    .set({ serverAdmin: false })
+                    .where(eq(users.userId, user.userId));
+
+                console.log(`Server admin status removed from user '${email}'`);
+                process.exit(0);
+            }
+
             if (user.serverAdmin) {
                 console.log(`User '${email}' is already a server admin`);
                 process.exit(0);