From a2ce1c6b7b008fe484fff8fb0b21750c8f972100 Mon Sep 17 00:00:00 2001
From: m4 <m4@m4deMac-mini.local>
Date: Wed, 12 Aug 2026 16:50:44 +0800
Subject: [PATCH] feat(webui): add create-user dialog

---
 src/app/components/UserCreateDialog.tsx | 165 ++++++++++++++++++++++++
 1 file changed, 165 insertions(+)
 create mode 100644 src/app/components/UserCreateDialog.tsx

diff --git a/src/app/components/UserCreateDialog.tsx b/src/app/components/UserCreateDialog.tsx
new file mode 100644
index 0000000..363ee8f
--- /dev/null
+++ b/src/app/components/UserCreateDialog.tsx
@@ -0,0 +1,165 @@
+"use client";
+
+import { FormEvent, useEffect, useState } from "react";
+import { useTranslations } from "next-intl";
+import { toast } from "sonner";
+import {
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+} from "@/components/ui/dialog";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Label } from "@/components/ui/label";
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select";
+import {
+  isValidPassword,
+  isValidUsername,
+  type ManagedUserRole,
+} from "@/lib/userManagement";
+
+interface UserCreateDialogProps {
+  open: boolean;
+  onOpenChange: (open: boolean) => void;
+  onChanged: () => Promise<void>;
+}
+
+export function UserCreateDialog({
+  open,
+  onOpenChange,
+  onChanged,
+}: UserCreateDialogProps) {
+  const t = useTranslations("userManagement");
+  const [username, setUsername] = useState("");
+  const [password, setPassword] = useState("");
+  const [role, setRole] = useState<ManagedUserRole>("user");
+  const [error, setError] = useState<string | null>(null);
+  const [saving, setSaving] = useState(false);
+
+  useEffect(() => {
+    if (!open) {
+      setUsername("");
+      setPassword("");
+      setRole("user");
+      setError(null);
+      setSaving(false);
+    }
+  }, [open]);
+
+  const canSubmit =
+    isValidUsername(username.trim()) && isValidPassword(password) && !saving;
+
+  const submit = async (event: FormEvent<HTMLFormElement>) => {
+    event.preventDefault();
+    if (!canSubmit) return;
+    setSaving(true);
+    setError(null);
+    try {
+      const response = await fetch("/api/auth/users", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        credentials: "same-origin",
+        body: JSON.stringify({ username: username.trim(), password, role }),
+      });
+      const body = (await response.json().catch(() => ({}))) as {
+        message?: string;
+        error?: string;
+      };
+      if (!response.ok) {
+        throw new Error(body.message || body.error || "Request failed.");
+      }
+      toast.success(t("create.created", { username: username.trim() }));
+      onOpenChange(false);
+      await onChanged();
+    } catch (reason) {
+      setError(reason instanceof Error ? reason.message : "Request failed.");
+      setSaving(false);
+    }
+  };
+
+  return (
+    <Dialog open={open} onOpenChange={onOpenChange}>
+      <DialogContent className="sm:max-w-md">
+        <DialogHeader>
+          <DialogTitle>{t("create.title")}</DialogTitle>
+          <DialogDescription>{t("create.description")}</DialogDescription>
+        </DialogHeader>
+        <form method="post" onSubmit={submit} className="space-y-4">
+          <div className="space-y-1.5">
+            <Label htmlFor="create-username">{t("create.username")}</Label>
+            <Input
+              id="create-username"
+              autoComplete="off"
+              value={username}
+              onChange={(event) => setUsername(event.target.value)}
+              disabled={saving}
+              autoFocus
+            />
+            <p className="text-xs text-muted-foreground">
+              {t("create.usernameHint")}
+            </p>
+          </div>
+          <div className="space-y-1.5">
+            <Label htmlFor="create-password">{t("create.password")}</Label>
+            <Input
+              id="create-password"
+              type="password"
+              autoComplete="new-password"
+              value={password}
+              onChange={(event) => setPassword(event.target.value)}
+              disabled={saving}
+            />
+            <p className="text-xs text-muted-foreground">
+              {t("create.passwordHint")}
+            </p>
+          </div>
+          <div className="space-y-1.5">
+            <Label htmlFor="create-role">{t("create.role")}</Label>
+            <Select
+              value={role}
+              onValueChange={(value) =>
+                setRole(value === "admin" ? "admin" : "user")
+              }
+              disabled={saving}
+            >
+              <SelectTrigger id="create-role" className="w-full">
+                <SelectValue />
+              </SelectTrigger>
+              <SelectContent>
+                <SelectItem value="user">{t("roles.user")}</SelectItem>
+                <SelectItem value="admin">{t("roles.admin")}</SelectItem>
+              </SelectContent>
+            </Select>
+          </div>
+          {error && (
+            <p role="alert" className="text-sm text-destructive">
+              {error}
+            </p>
+          )}
+          <DialogFooter>
+            <Button
+              type="button"
+              variant="outline"
+              onClick={() => onOpenChange(false)}
+              disabled={saving}
+            >
+              {t("create.cancel")}
+            </Button>
+            <Button type="submit" disabled={!canSubmit}>
+              {saving ? t("create.creating") : t("create.submit")}
+            </Button>
+          </DialogFooter>
+        </form>
+      </DialogContent>
+    </Dialog>
+  );
+}