fix: fix sonner

* refactor: rework decoders logic for cleaner code

* refactor: use strcase lib to handle text case conversions

Dockerfile

@@ -1,5 +1,5 @@
 # Site builder
-FROM oven/bun:1.3.1-alpine AS frontend-builder
+FROM oven/bun:1.3.0-alpine AS frontend-builder
 
 WORKDIR /frontend
 

Dockerfile.distroless

@@ -1,5 +1,5 @@
 # Site builder
-FROM oven/bun:1.3.1-alpine AS frontend-builder
+FROM oven/bun:1.3.0-alpine AS frontend-builder
 
 WORKDIR /frontend
 

frontend/bun.lock

@@ -5,6 +5,7 @@
       "name": "tinyauth-shadcn",
       "dependencies": {
         "@hookform/resolvers": "^5.2.2",
+        "@radix-ui/react-dropdown-menu": "^2.1.16",
         "@radix-ui/react-label": "^2.1.7",
         "@radix-ui/react-select": "^2.2.6",
         "@radix-ui/react-separator": "^1.1.7",
@@ -213,6 +214,8 @@
 
     "@radix-ui/react-dismissable-layer": ["@radix-ui/react-dismissable-layer@1.1.11", "", { "dependencies": { "@radix-ui/primitive": "1.1.3", "@radix-ui/react-compose-refs": "1.1.2", "@radix-ui/react-primitive": "2.1.3", "@radix-ui/react-use-callback-ref": "1.1.1", "@radix-ui/react-use-escape-keydown": "1.1.1" }, "peerDependencies": { "@types/react": "*", "@types/react-dom": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc", "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" }, "optionalPeers": ["@types/react", "@types/react-dom"] }, "sha512-Nqcp+t5cTB8BinFkZgXiMJniQH0PsUt2k51FUhbdfeKvc4ACcG2uQniY/8+h1Yv6Kza4Q7lD7PQV0z0oicE0Mg=="],
 
+    "@radix-ui/react-dropdown-menu": ["@radix-ui/react-dropdown-menu@2.1.16", "", { "dependencies": { "@radix-ui/primitive": "1.1.3", "@radix-ui/react-compose-refs": "1.1.2", "@radix-ui/react-context": "1.1.2", "@radix-ui/react-id": "1.1.1", "@radix-ui/react-menu": "2.1.16", "@radix-ui/react-primitive": "2.1.3", "@radix-ui/react-use-controllable-state": "1.2.2" }, "peerDependencies": { "@types/react": "*", "@types/react-dom": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc", "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" }, "optionalPeers": ["@types/react", "@types/react-dom"] }, "sha512-1PLGQEynI/3OX/ftV54COn+3Sud/Mn8vALg2rWnBLnRaGtJDduNW/22XjlGgPdpcIbiQxjKtb7BkcjP00nqfJw=="],
+
     "@radix-ui/react-focus-guards": ["@radix-ui/react-focus-guards@1.1.3", "", { "peerDependencies": { "@types/react": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" }, "optionalPeers": ["@types/react"] }, "sha512-0rFg/Rj2Q62NCm62jZw0QX7a3sz6QCQU0LpZdNrJX8byRGaGVTqbrW9jAoIAHyMQqsNpeZ81YgSizOt5WXq0Pw=="],
 
     "@radix-ui/react-focus-scope": ["@radix-ui/react-focus-scope@1.1.7", "", { "dependencies": { "@radix-ui/react-compose-refs": "1.1.2", "@radix-ui/react-primitive": "2.1.3", "@radix-ui/react-use-callback-ref": "1.1.1" }, "peerDependencies": { "@types/react": "*", "@types/react-dom": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc", "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" }, "optionalPeers": ["@types/react", "@types/react-dom"] }, "sha512-t2ODlkXBQyn7jkl6TNaw/MtVEVvIGelJDCG41Okq/KwUsJBwQ4XVZsHAVUkK4mBv3ewiAS3PGuUWuY2BoK4ZUw=="],
@@ -221,12 +224,18 @@
 
     "@radix-ui/react-label": ["@radix-ui/react-label@2.1.7", "", { "dependencies": { "@radix-ui/react-primitive": "2.1.3" }, "peerDependencies": { "@types/react": "*", "@types/react-dom": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc", "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" }, "optionalPeers": ["@types/react", "@types/react-dom"] }, "sha512-YT1GqPSL8kJn20djelMX7/cTRp/Y9w5IZHvfxQTVHrOqa2yMl7i/UfMqKRU5V7mEyKTrUVgJXhNQPVCG8PBLoQ=="],
 
+    "@radix-ui/react-menu": ["@radix-ui/react-menu@2.1.16", "", { "dependencies": { "@radix-ui/primitive": "1.1.3", "@radix-ui/react-collection": "1.1.7", "@radix-ui/react-compose-refs": "1.1.2", "@radix-ui/react-context": "1.1.2", "@radix-ui/react-direction": "1.1.1", "@radix-ui/react-dismissable-layer": "1.1.11", "@radix-ui/react-focus-guards": "1.1.3", "@radix-ui/react-focus-scope": "1.1.7", "@radix-ui/react-id": "1.1.1", "@radix-ui/react-popper": "1.2.8", "@radix-ui/react-portal": "1.1.9", "@radix-ui/react-presence": "1.1.5", "@radix-ui/react-primitive": "2.1.3", "@radix-ui/react-roving-focus": "1.1.11", "@radix-ui/react-slot": "1.2.3", "@radix-ui/react-use-callback-ref": "1.1.1", "aria-hidden": "^1.2.4", "react-remove-scroll": "^2.6.3" }, "peerDependencies": { "@types/react": "*", "@types/react-dom": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc", "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" }, "optionalPeers": ["@types/react", "@types/react-dom"] }, "sha512-72F2T+PLlphrqLcAotYPp0uJMr5SjP5SL01wfEspJbru5Zs5vQaSHb4VB3ZMJPimgHHCHG7gMOeOB9H3Hdmtxg=="],
+
     "@radix-ui/react-popper": ["@radix-ui/react-popper@1.2.8", "", { "dependencies": { "@floating-ui/react-dom": "^2.0.0", "@radix-ui/react-arrow": "1.1.7", "@radix-ui/react-compose-refs": "1.1.2", "@radix-ui/react-context": "1.1.2", "@radix-ui/react-primitive": "2.1.3", "@radix-ui/react-use-callback-ref": "1.1.1", "@radix-ui/react-use-layout-effect": "1.1.1", "@radix-ui/react-use-rect": "1.1.1", "@radix-ui/react-use-size": "1.1.1", "@radix-ui/rect": "1.1.1" }, "peerDependencies": { "@types/react": "*", "@types/react-dom": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc", "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" }, "optionalPeers": ["@types/react", "@types/react-dom"] }, "sha512-0NJQ4LFFUuWkE7Oxf0htBKS6zLkkjBH+hM1uk7Ng705ReR8m/uelduy1DBo0PyBXPKVnBA6YBlU94MBGXrSBCw=="],
 
     "@radix-ui/react-portal": ["@radix-ui/react-portal@1.1.9", "", { "dependencies": { "@radix-ui/react-primitive": "2.1.3", "@radix-ui/react-use-layout-effect": "1.1.1" }, "peerDependencies": { "@types/react": "*", "@types/react-dom": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc", "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" }, "optionalPeers": ["@types/react", "@types/react-dom"] }, "sha512-bpIxvq03if6UNwXZ+HTK71JLh4APvnXntDc6XOX8UVq4XQOVl7lwok0AvIl+b8zgCw3fSaVTZMpAPPagXbKmHQ=="],
 
+    "@radix-ui/react-presence": ["@radix-ui/react-presence@1.1.5", "", { "dependencies": { "@radix-ui/react-compose-refs": "1.1.2", "@radix-ui/react-use-layout-effect": "1.1.1" }, "peerDependencies": { "@types/react": "*", "@types/react-dom": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc", "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" }, "optionalPeers": ["@types/react", "@types/react-dom"] }, "sha512-/jfEwNDdQVBCNvjkGit4h6pMOzq8bHkopq458dPt2lMjx+eBQUohZNG9A7DtO/O5ukSbxuaNGXMjHicgwy6rQQ=="],
+
     "@radix-ui/react-primitive": ["@radix-ui/react-primitive@2.1.3", "", { "dependencies": { "@radix-ui/react-slot": "1.2.3" }, "peerDependencies": { "@types/react": "*", "@types/react-dom": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc", "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" }, "optionalPeers": ["@types/react", "@types/react-dom"] }, "sha512-m9gTwRkhy2lvCPe6QJp4d3G1TYEUHn/FzJUtq9MjH46an1wJU+GdoGC5VLof8RX8Ft/DlpshApkhswDLZzHIcQ=="],
 
+    "@radix-ui/react-roving-focus": ["@radix-ui/react-roving-focus@1.1.11", "", { "dependencies": { "@radix-ui/primitive": "1.1.3", "@radix-ui/react-collection": "1.1.7", "@radix-ui/react-compose-refs": "1.1.2", "@radix-ui/react-context": "1.1.2", "@radix-ui/react-direction": "1.1.1", "@radix-ui/react-id": "1.1.1", "@radix-ui/react-primitive": "2.1.3", "@radix-ui/react-use-callback-ref": "1.1.1", "@radix-ui/react-use-controllable-state": "1.2.2" }, "peerDependencies": { "@types/react": "*", "@types/react-dom": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc", "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" }, "optionalPeers": ["@types/react", "@types/react-dom"] }, "sha512-7A6S9jSgm/S+7MdtNDSb+IU859vQqJ/QAtcYQcfFC6W8RS4IxIZDldLR0xqCFZ6DCyrQLjLPsxtTNch5jVA4lA=="],
+
     "@radix-ui/react-select": ["@radix-ui/react-select@2.2.6", "", { "dependencies": { "@radix-ui/number": "1.1.1", "@radix-ui/primitive": "1.1.3", "@radix-ui/react-collection": "1.1.7", "@radix-ui/react-compose-refs": "1.1.2", "@radix-ui/react-context": "1.1.2", "@radix-ui/react-direction": "1.1.1", "@radix-ui/react-dismissable-layer": "1.1.11", "@radix-ui/react-focus-guards": "1.1.3", "@radix-ui/react-focus-scope": "1.1.7", "@radix-ui/react-id": "1.1.1", "@radix-ui/react-popper": "1.2.8", "@radix-ui/react-portal": "1.1.9", "@radix-ui/react-primitive": "2.1.3", "@radix-ui/react-slot": "1.2.3", "@radix-ui/react-use-callback-ref": "1.1.1", "@radix-ui/react-use-controllable-state": "1.2.2", "@radix-ui/react-use-layout-effect": "1.1.1", "@radix-ui/react-use-previous": "1.1.1", "@radix-ui/react-visually-hidden": "1.2.3", "aria-hidden": "^1.2.4", "react-remove-scroll": "^2.6.3" }, "peerDependencies": { "@types/react": "*", "@types/react-dom": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc", "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" }, "optionalPeers": ["@types/react", "@types/react-dom"] }, "sha512-I30RydO+bnn2PQztvo25tswPH+wFBjehVGtmagkU78yMdwTwVf12wnAOF+AeP8S2N8xD+5UPbGhkUfPyvT+mwQ=="],
 
     "@radix-ui/react-separator": ["@radix-ui/react-separator@1.1.7", "", { "dependencies": { "@radix-ui/react-primitive": "2.1.3" }, "peerDependencies": { "@types/react": "*", "@types/react-dom": "*", "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc", "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc" }, "optionalPeers": ["@types/react", "@types/react-dom"] }, "sha512-0HEb8R9E8A+jZjvmFCy/J4xhbXy3TV+9XSnGJ3KvTtjlIUy/YQ/p6UYZvi7YbeoeXdyU9+Y3scizK6hkY37baA=="],

frontend/index.html

@@ -12,7 +12,7 @@
     <link rel="manifest" href="/site.webmanifest" />
     <title>Tinyauth</title>
   </head>
-  <body class="dark">
+  <body>
     <div id="root"></div>
     <script type="module" src="/src/main.tsx"></script>
   </body>

frontend/package.json

@@ -7,10 +7,12 @@
     "dev": "vite",
     "build": "tsc -b && vite build",
     "lint": "eslint .",
-    "preview": "vite preview"
+    "preview": "vite preview",
+    "tsc": "tsc -b"
   },
   "dependencies": {
     "@hookform/resolvers": "^5.2.2",
+    "@radix-ui/react-dropdown-menu": "^2.1.16",
     "@radix-ui/react-label": "^2.1.7",
     "@radix-ui/react-select": "^2.2.6",
     "@radix-ui/react-separator": "^1.1.7",

frontend/src/components/language/language.tsx

@@ -18,9 +18,10 @@ export const LanguageSelector = () => {
     setLanguage(option as SupportedLanguage);
     i18n.changeLanguage(option as SupportedLanguage);
   };
+
   return (
     <Select onValueChange={handleSelect} value={language}>
-      <SelectTrigger className="absolute top-5 right-5">
+      <SelectTrigger>
         <SelectValue placeholder="Select language" />
       </SelectTrigger>
       <SelectContent>

frontend/src/components/layout/layout.tsx

@@ -3,6 +3,7 @@ import { LanguageSelector } from "../language/language";
 import { Outlet } from "react-router";
 import { useCallback, useEffect, useState } from "react";
 import { DomainWarning } from "../domain-warning/domain-warning";
+import { ThemeToggle } from "../theme-toggle/theme-toggle";
 
 const BaseLayout = ({ children }: { children: React.ReactNode }) => {
   const { backgroundImage, title } = useAppContext();
@@ -20,7 +21,10 @@ const BaseLayout = ({ children }: { children: React.ReactNode }) => {
         backgroundPosition: "center",
       }}
     >
-      <LanguageSelector />
+      <div className="absolute top-5 right-5 flex flex-row gap-2">
+        <ThemeToggle />
+        <LanguageSelector />
+      </div>
       {children}
     </div>
   );

frontend/src/components/providers/theme-provider.tsx

@@ -0,0 +1,73 @@
+import { createContext, useContext, useEffect, useState } from "react";
+
+type Theme = "dark" | "light" | "system";
+
+type ThemeProviderProps = {
+  children: React.ReactNode;
+  defaultTheme?: Theme;
+  storageKey?: string;
+};
+
+type ThemeProviderState = {
+  theme: Theme;
+  setTheme: (theme: Theme) => void;
+};
+
+const initialState: ThemeProviderState = {
+  theme: "system",
+  setTheme: () => null,
+};
+
+const ThemeProviderContext = createContext<ThemeProviderState>(initialState);
+
+export function ThemeProvider({
+  children,
+  defaultTheme = "system",
+  storageKey = "vite-ui-theme",
+  ...props
+}: ThemeProviderProps) {
+  const [theme, setTheme] = useState<Theme>(
+    () => (localStorage.getItem(storageKey) as Theme) || defaultTheme,
+  );
+
+  useEffect(() => {
+    const root = window.document.documentElement;
+
+    root.classList.remove("light", "dark");
+
+    if (theme === "system") {
+      const systemTheme = window.matchMedia("(prefers-color-scheme: dark)")
+        .matches
+        ? "dark"
+        : "light";
+
+      root.classList.add(systemTheme);
+      return;
+    }
+
+    root.classList.add(theme);
+  }, [theme]);
+
+  const value = {
+    theme,
+    setTheme: (theme: Theme) => {
+      localStorage.setItem(storageKey, theme);
+      setTheme(theme);
+    },
+  };
+
+  return (
+    <ThemeProviderContext.Provider {...props} value={value}>
+      {children}
+    </ThemeProviderContext.Provider>
+  );
+}
+
+export const useTheme = () => {
+  const context = useContext(ThemeProviderContext);
+
+  if (context === undefined)
+    throw new Error("useTheme must be used within a ThemeProvider");
+
+  return context;
+};

frontend/src/components/theme-toggle/theme-toggle.tsx

@@ -0,0 +1,40 @@
+import { Moon, Sun } from "lucide-react";
+
+import { Button } from "@/components/ui/button";
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuTrigger,
+} from "@/components/ui/dropdown-menu";
+import { useTheme } from "@/components/providers/theme-provider";
+
+export function ThemeToggle() {
+  const { setTheme } = useTheme();
+
+  return (
+    <DropdownMenu>
+      <DropdownMenuTrigger asChild>
+        <Button
+          className="bg-card text-card-foreground hover:bg-card/90"
+          size="icon"
+        >
+          <Sun className="h-[1.2rem] w-[1.2rem] scale-100 rotate-0 transition-all dark:scale-0 dark:-rotate-90" />
+          <Moon className="absolute h-[1.2rem] w-[1.2rem] scale-0 rotate-90 transition-all dark:scale-100 dark:rotate-0" />
+          <span className="sr-only">Toggle theme</span>
+        </Button>
+      </DropdownMenuTrigger>
+      <DropdownMenuContent align="end">
+        <DropdownMenuItem onClick={() => setTheme("light")}>
+          Light
+        </DropdownMenuItem>
+        <DropdownMenuItem onClick={() => setTheme("dark")}>
+          Dark
+        </DropdownMenuItem>
+        <DropdownMenuItem onClick={() => setTheme("system")}>
+          System
+        </DropdownMenuItem>
+      </DropdownMenuContent>
+    </DropdownMenu>
+  );
+}

frontend/src/components/ui/button.tsx

@@ -6,7 +6,7 @@ import { cn } from "@/lib/utils";
 import { Loader2 } from "lucide-react";
 
 const buttonVariants = cva(
-  "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium transition-all disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg:not([class*='size-'])]:size-4 shrink-0 [&_svg]:shrink-0 outline-none focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive",
+  "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium transition-all disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg:not([class*='size-'])]:size-4 shrink-0 [&_svg]:shrink-0 outline-none focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive hover:cursor-pointer",
   {
     variants: {
       variant: {

frontend/src/components/ui/dropdown-menu.tsx

@@ -0,0 +1,255 @@
+import * as React from "react"
+import * as DropdownMenuPrimitive from "@radix-ui/react-dropdown-menu"
+import { CheckIcon, ChevronRightIcon, CircleIcon } from "lucide-react"
+
+import { cn } from "@/lib/utils"
+
+function DropdownMenu({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Root>) {
+  return <DropdownMenuPrimitive.Root data-slot="dropdown-menu" {...props} />
+}
+
+function DropdownMenuPortal({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Portal>) {
+  return (
+    <DropdownMenuPrimitive.Portal data-slot="dropdown-menu-portal" {...props} />
+  )
+}
+
+function DropdownMenuTrigger({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Trigger>) {
+  return (
+    <DropdownMenuPrimitive.Trigger
+      data-slot="dropdown-menu-trigger"
+      {...props}
+    />
+  )
+}
+
+function DropdownMenuContent({
+  className,
+  sideOffset = 4,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Content>) {
+  return (
+    <DropdownMenuPrimitive.Portal>
+      <DropdownMenuPrimitive.Content
+        data-slot="dropdown-menu-content"
+        sideOffset={sideOffset}
+        className={cn(
+          "bg-popover text-popover-foreground data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 z-50 max-h-(--radix-dropdown-menu-content-available-height) min-w-[8rem] origin-(--radix-dropdown-menu-content-transform-origin) overflow-x-hidden overflow-y-auto rounded-md border p-1 shadow-md",
+          className
+        )}
+        {...props}
+      />
+    </DropdownMenuPrimitive.Portal>
+  )
+}
+
+function DropdownMenuGroup({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Group>) {
+  return (
+    <DropdownMenuPrimitive.Group data-slot="dropdown-menu-group" {...props} />
+  )
+}
+
+function DropdownMenuItem({
+  className,
+  inset,
+  variant = "default",
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Item> & {
+  inset?: boolean
+  variant?: "default" | "destructive"
+}) {
+  return (
+    <DropdownMenuPrimitive.Item
+      data-slot="dropdown-menu-item"
+      data-inset={inset}
+      data-variant={variant}
+      className={cn(
+        "focus:bg-accent focus:text-accent-foreground data-[variant=destructive]:text-destructive data-[variant=destructive]:focus:bg-destructive/10 dark:data-[variant=destructive]:focus:bg-destructive/20 data-[variant=destructive]:focus:text-destructive data-[variant=destructive]:*:[svg]:!text-destructive [&_svg:not([class*='text-'])]:text-muted-foreground relative flex cursor-default items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 data-[inset]:pl-8 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function DropdownMenuCheckboxItem({
+  className,
+  children,
+  checked,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.CheckboxItem>) {
+  return (
+    <DropdownMenuPrimitive.CheckboxItem
+      data-slot="dropdown-menu-checkbox-item"
+      className={cn(
+        "focus:bg-accent focus:text-accent-foreground relative flex cursor-default items-center gap-2 rounded-sm py-1.5 pr-2 pl-8 text-sm outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        className
+      )}
+      checked={checked}
+      {...props}
+    >
+      <span className="pointer-events-none absolute left-2 flex size-3.5 items-center justify-center">
+        <DropdownMenuPrimitive.ItemIndicator>
+          <CheckIcon className="size-4" />
+        </DropdownMenuPrimitive.ItemIndicator>
+      </span>
+      {children}
+    </DropdownMenuPrimitive.CheckboxItem>
+  )
+}
+
+function DropdownMenuRadioGroup({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.RadioGroup>) {
+  return (
+    <DropdownMenuPrimitive.RadioGroup
+      data-slot="dropdown-menu-radio-group"
+      {...props}
+    />
+  )
+}
+
+function DropdownMenuRadioItem({
+  className,
+  children,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.RadioItem>) {
+  return (
+    <DropdownMenuPrimitive.RadioItem
+      data-slot="dropdown-menu-radio-item"
+      className={cn(
+        "focus:bg-accent focus:text-accent-foreground relative flex cursor-default items-center gap-2 rounded-sm py-1.5 pr-2 pl-8 text-sm outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        className
+      )}
+      {...props}
+    >
+      <span className="pointer-events-none absolute left-2 flex size-3.5 items-center justify-center">
+        <DropdownMenuPrimitive.ItemIndicator>
+          <CircleIcon className="size-2 fill-current" />
+        </DropdownMenuPrimitive.ItemIndicator>
+      </span>
+      {children}
+    </DropdownMenuPrimitive.RadioItem>
+  )
+}
+
+function DropdownMenuLabel({
+  className,
+  inset,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Label> & {
+  inset?: boolean
+}) {
+  return (
+    <DropdownMenuPrimitive.Label
+      data-slot="dropdown-menu-label"
+      data-inset={inset}
+      className={cn(
+        "px-2 py-1.5 text-sm font-medium data-[inset]:pl-8",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function DropdownMenuSeparator({
+  className,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Separator>) {
+  return (
+    <DropdownMenuPrimitive.Separator
+      data-slot="dropdown-menu-separator"
+      className={cn("bg-border -mx-1 my-1 h-px", className)}
+      {...props}
+    />
+  )
+}
+
+function DropdownMenuShortcut({
+  className,
+  ...props
+}: React.ComponentProps<"span">) {
+  return (
+    <span
+      data-slot="dropdown-menu-shortcut"
+      className={cn(
+        "text-muted-foreground ml-auto text-xs tracking-widest",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function DropdownMenuSub({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Sub>) {
+  return <DropdownMenuPrimitive.Sub data-slot="dropdown-menu-sub" {...props} />
+}
+
+function DropdownMenuSubTrigger({
+  className,
+  inset,
+  children,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.SubTrigger> & {
+  inset?: boolean
+}) {
+  return (
+    <DropdownMenuPrimitive.SubTrigger
+      data-slot="dropdown-menu-sub-trigger"
+      data-inset={inset}
+      className={cn(
+        "focus:bg-accent focus:text-accent-foreground data-[state=open]:bg-accent data-[state=open]:text-accent-foreground [&_svg:not([class*='text-'])]:text-muted-foreground flex cursor-default items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-hidden select-none data-[inset]:pl-8 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        className
+      )}
+      {...props}
+    >
+      {children}
+      <ChevronRightIcon className="ml-auto size-4" />
+    </DropdownMenuPrimitive.SubTrigger>
+  )
+}
+
+function DropdownMenuSubContent({
+  className,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.SubContent>) {
+  return (
+    <DropdownMenuPrimitive.SubContent
+      data-slot="dropdown-menu-sub-content"
+      className={cn(
+        "bg-popover text-popover-foreground data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 z-50 min-w-[8rem] origin-(--radix-dropdown-menu-content-transform-origin) overflow-hidden rounded-md border p-1 shadow-lg",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+export {
+  DropdownMenu,
+  DropdownMenuPortal,
+  DropdownMenuTrigger,
+  DropdownMenuContent,
+  DropdownMenuGroup,
+  DropdownMenuLabel,
+  DropdownMenuItem,
+  DropdownMenuCheckboxItem,
+  DropdownMenuRadioGroup,
+  DropdownMenuRadioItem,
+  DropdownMenuSeparator,
+  DropdownMenuShortcut,
+  DropdownMenuSub,
+  DropdownMenuSubTrigger,
+  DropdownMenuSubContent,
+}

frontend/src/components/ui/select.tsx

@@ -35,7 +35,7 @@ function SelectTrigger({
       data-slot="select-trigger"
       data-size={size}
       className={cn(
-        "border-input data-[placeholder]:text-muted-foreground [&_svg:not([class*='text-'])]:text-muted-foreground focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive dark:bg-card dark:hover:bg-card/90 flex w-fit items-center justify-between gap-2 rounded-md border bg-card hover:bg-card/90 px-3 py-2 text-sm whitespace-nowrap shadow-xs transition-[color,box-shadow] outline-none focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-50 data-[size=default]:h-9 data-[size=sm]:h-8 *:data-[slot=select-value]:line-clamp-1 *:data-[slot=select-value]:flex *:data-[slot=select-value]:items-center *:data-[slot=select-value]:gap-2 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        "hover:cursor-pointer border-input data-[placeholder]:text-card-foreground [&_svg:not([class*='text-'])]:text-card-foreground focus-visible:border-ring focus-visible:ring-ring/50 aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive flex w-fit items-center justify-between gap-2 rounded-md border bg-card hover:bg-card/90 px-3 py-2 text-sm whitespace-nowrap shadow-xs transition-[color,box-shadow] outline-none focus-visible:ring-[3px] disabled:cursor-not-allowed disabled:opacity-50 data-[size=default]:h-9 data-[size=sm]:h-8 *:data-[slot=select-value]:line-clamp-1 *:data-[slot=select-value]:flex *:data-[slot=select-value]:items-center *:data-[slot=select-value]:gap-2 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
         className,
       )}
       {...props}

frontend/src/components/ui/sonner.tsx

@@ -1,8 +1,8 @@
-import { useTheme } from "next-themes";
+import { useTheme } from "../providers/theme-provider";
 import { Toaster as Sonner, ToasterProps } from "sonner";
 
 const Toaster = ({ ...props }: ToasterProps) => {
-  const { theme = "system" } = useTheme();
+  const { theme } = useTheme();
 
   return (
     <Sonner

frontend/src/main.tsx

@@ -16,6 +16,7 @@ import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
 import { AppContextProvider } from "./context/app-context.tsx";
 import { UserContextProvider } from "./context/user-context.tsx";
 import { Toaster } from "@/components/ui/sonner";
+import { ThemeProvider } from "./components/providers/theme-provider.tsx";
 
 const queryClient = new QueryClient();
 
@@ -24,25 +25,27 @@ createRoot(document.getElementById("root")!).render(
     <QueryClientProvider client={queryClient}>
       <AppContextProvider>
         <UserContextProvider>
-          <BrowserRouter>
+          <ThemeProvider defaultTheme="system" storageKey="tinyauth-theme">
-            <Routes>
+            <BrowserRouter>
-              <Route element={<Layout />} errorElement={<ErrorPage />}>
+              <Routes>
-                <Route path="/" element={<App />} />
+                <Route element={<Layout />} errorElement={<ErrorPage />}>
-                <Route path="/login" element={<LoginPage />} />
+                  <Route path="/" element={<App />} />
-                <Route path="/logout" element={<LogoutPage />} />
+                  <Route path="/login" element={<LoginPage />} />
-                <Route path="/continue" element={<ContinuePage />} />
+                  <Route path="/logout" element={<LogoutPage />} />
-                <Route path="/totp" element={<TotpPage />} />
+                  <Route path="/continue" element={<ContinuePage />} />
-                <Route
+                  <Route path="/totp" element={<TotpPage />} />
-                  path="/forgot-password"
+                  <Route
-                  element={<ForgotPasswordPage />}
+                    path="/forgot-password"
-                />
+                    element={<ForgotPasswordPage />}
-                <Route path="/unauthorized" element={<UnauthorizedPage />} />
+                  />
-                <Route path="/error" element={<ErrorPage />} />
+                  <Route path="/unauthorized" element={<UnauthorizedPage />} />
-                <Route path="*" element={<NotFoundPage />} />
+                  <Route path="/error" element={<ErrorPage />} />
-              </Route>
+                  <Route path="*" element={<NotFoundPage />} />
-            </Routes>
+                </Route>
-          </BrowserRouter>
+              </Routes>
-          <Toaster />
+            </BrowserRouter>
+            <Toaster />
+          </ThemeProvider>
         </UserContextProvider>
       </AppContextProvider>
     </QueryClientProvider>

go.mod

@@ -47,6 +47,7 @@ require (
 	github.com/quic-go/qpack v0.5.1 // indirect
 	github.com/quic-go/quic-go v0.54.1 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	github.com/stoewer/go-strcase v1.3.1 // indirect
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
 	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.34.0 // indirect

go.sum

@@ -259,6 +259,8 @@ github.com/spf13/pflag v1.0.10 h1:4EBh2KAYBwaONj6b2Ye1GiHfwjqyROoF4RwYO+vPwFk=
 github.com/spf13/pflag v1.0.10/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/spf13/viper v1.21.0 h1:x5S+0EU27Lbphp4UKm1C+1oQO+rKx36vfCoaVebLFSU=
 github.com/spf13/viper v1.21.0/go.mod h1:P0lhsswPGWD/1lZJ9ny3fYnVqxiegrlNrEmgLjbTCAY=
+github.com/stoewer/go-strcase v1.3.1 h1:iS0MdW+kVTxgMoE1LAZyMiYJFKlOzLooE4MxjirtkAs=
+github.com/stoewer/go-strcase v1.3.1/go.mod h1:fAH5hQ5pehh+j3nZfvwdk2RgEgQjAoM8wodgtPmh1xo=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=

internal/config/config.go

@@ -53,16 +53,16 @@ type Claims struct {
 }
 
 type OAuthServiceConfig struct {
-	ClientID           string   `key:"client-id"`
+	ClientID           string `field:"client-id"`
-	ClientSecret       string   `key:"client-secret"`
+	ClientSecret       string
-	ClientSecretFile   string   `key:"client-secret-file"`
+	ClientSecretFile   string
-	Scopes             []string `key:"scopes"`
+	Scopes             []string
-	RedirectURL        string   `key:"redirect-url"`
+	RedirectURL        string `field:"redirect-url"`
-	AuthURL            string   `key:"auth-url"`
+	AuthURL            string `field:"auth-url"`
-	TokenURL           string   `key:"token-url"`
+	TokenURL           string `field:"token-url"`
-	UserinfoURL        string   `key:"user-info-url"`
+	UserinfoURL        string `field:"user-info-url"`
-	InsecureSkipVerify bool     `key:"insecure-skip-verify"`
+	InsecureSkipVerify bool
-	Name               string   `key:"name"`
+	Name               string
 }
 
 var OverrideProviders = map[string]string{

internal/utils/app_utils.go

@@ -147,7 +147,7 @@ func GetOAuthProvidersConfig(env []string, args []string, appUrl string) (map[st
 		}
 	}
 
-	envProviders, err := decoders.DecodeEnv(envMap)
+	envProviders, err := decoders.DecodeEnv[config.Providers, config.OAuthServiceConfig](envMap, "providers")
 
 	if err != nil {
 		return nil, err
@@ -167,7 +167,7 @@ func GetOAuthProvidersConfig(env []string, args []string, appUrl string) (map[st
 		}
 	}
 
-	flagProviders, err := decoders.DecodeFlags(flagsMap)
+	flagProviders, err := decoders.DecodeFlags[config.Providers, config.OAuthServiceConfig](flagsMap, "providers")
 
 	if err != nil {
 		return nil, err

internal/utils/decoders/decoders.go

@@ -3,29 +3,24 @@ package decoders
 import (
 	"reflect"
 	"strings"
-	"tinyauth/internal/config"
+
+	"github.com/stoewer/go-strcase"
 )
 
-func NormalizeKeys(keys map[string]string, rootName string, sep string) map[string]string {
+func normalizeKeys[T any](input map[string]string, root string, sep string) map[string]string {
+	knownKeys := getKnownKeys[T]()
 	normalized := make(map[string]string)
-	knownKeys := getKnownKeys()
 
-	for k, v := range keys {
+	for k, v := range input {
-		var finalKey []string
+		parts := []string{"tinyauth"}
-		var suffix string
-		var camelClientName string
-		var camelField string
 
-		finalKey = append(finalKey, rootName)
+		key := strings.ToLower(k)
-		finalKey = append(finalKey, "providers")
+		key = strings.ReplaceAll(key, sep, "-")
-		lowerKey := strings.ToLower(k)
 
-		if !strings.HasPrefix(lowerKey, "providers"+sep) {
+		suffix := ""
-			continue
-		}
 
 		for _, known := range knownKeys {
-			if strings.HasSuffix(lowerKey, strings.ReplaceAll(known, "-", sep)) {
+			if strings.HasSuffix(key, known) {
 				suffix = known
 				break
 			}
@@ -35,55 +30,47 @@ func NormalizeKeys(keys map[string]string, rootName string, sep string) map[stri
 			continue
 		}
 
-		if strings.TrimSpace(strings.TrimSuffix(strings.TrimPrefix(lowerKey, "providers"+sep), strings.ReplaceAll(suffix, "-", sep))) == "" {
+		parts = append(parts, root)
+
+		id := strings.TrimPrefix(key, root+"-")
+		id = strings.TrimSuffix(id, "-"+suffix)
+
+		if id == "" {
 			continue
 		}
 
-		clientNameParts := strings.Split(strings.TrimPrefix(strings.TrimSuffix(lowerKey, sep+strings.ReplaceAll(suffix, "-", sep)), "providers"+sep), sep)
+		parts = append(parts, id)
+		parts = append(parts, suffix)
 
-		for i, p := range clientNameParts {
+		final := ""
-			if i == 0 {
+
-				camelClientName += p
+		for i, part := range parts {
-				continue
+			if i > 0 {
+				final += "."
 			}
-			if p == "" {
+			final += strcase.LowerCamelCase(part)
-				continue
-			}
-			camelClientName += strings.ToUpper(string([]rune(p)[0])) + string([]rune(p)[1:])
 		}
 
-		finalKey = append(finalKey, camelClientName)
+		normalized[final] = v
-
-		fieldParts := strings.Split(suffix, "-")
-
-		for i, p := range fieldParts {
-			if i == 0 {
-				camelField += p
-				continue
-			}
-			if p == "" {
-				continue
-			}
-			camelField += strings.ToUpper(string([]rune(p)[0])) + string([]rune(p)[1:])
-		}
-
-		finalKey = append(finalKey, camelField)
-		normalized[strings.Join(finalKey, ".")] = v
 	}
 
 	return normalized
 }
 
-func getKnownKeys() []string {
+func getKnownKeys[T any]() []string {
-	var known []string
+	var keys []string
+	var t T
 
-	p := config.OAuthServiceConfig{}
+	v := reflect.ValueOf(t)
-	v := reflect.ValueOf(p)
+	typeOfT := v.Type()
-	typeOfP := v.Type()
 
-	for field := range typeOfP.NumField() {
+	for field := range typeOfT.NumField() {
-		known = append(known, typeOfP.Field(field).Tag.Get("key"))
+		if typeOfT.Field(field).Tag.Get("field") != "" {
+			keys = append(keys, typeOfT.Field(field).Tag.Get("field"))
+			continue
+		}
+		keys = append(keys, strcase.KebabCase(typeOfT.Field(field).Name))
 	}
 
-	return known
+	return keys
 }

internal/utils/decoders/decoders_test.go

@@ -1,49 +0,0 @@
-package decoders_test
-
-import (
-	"testing"
-	"tinyauth/internal/utils/decoders"
-
-	"gotest.tools/v3/assert"
-)
-
-func TestNormalizeKeys(t *testing.T) {
-	// Test with env
-	test := map[string]string{
-		"PROVIDERS_CLIENT1_CLIENT_ID":                    "my-client-id",
-		"PROVIDERS_CLIENT1_CLIENT_SECRET":                "my-client-secret",
-		"PROVIDERS_MY_AWESOME_CLIENT_CLIENT_ID":          "my-awesome-client-id",
-		"PROVIDERS_MY_AWESOME_CLIENT_CLIENT_SECRET_FILE": "/path/to/secret",
-		"I_LOOK_LIKE_A_KEY_CLIENT_ID":                    "should-not-appear",
-		"PROVIDERS_CLIENT_ID":                            "should-not-appear",
-	}
-	expected := map[string]string{
-		"tinyauth.providers.client1.clientId":                 "my-client-id",
-		"tinyauth.providers.client1.clientSecret":             "my-client-secret",
-		"tinyauth.providers.myAwesomeClient.clientId":         "my-awesome-client-id",
-		"tinyauth.providers.myAwesomeClient.clientSecretFile": "/path/to/secret",
-	}
-
-	normalized := decoders.NormalizeKeys(test, "tinyauth", "_")
-	assert.DeepEqual(t, normalized, expected)
-
-	// Test with flags (assume -- is already stripped)
-	test = map[string]string{
-		"providers-client1-client-id":                    "my-client-id",
-		"providers-client1-client-secret":                "my-client-secret",
-		"providers-my-awesome-client-client-id":          "my-awesome-client-id",
-		"providers-my-awesome-client-client-secret-file": "/path/to/secret",
-		"providers-should-not-appear-client":             "should-not-appear",
-		"i-look-like-a-key-client-id":                    "should-not-appear",
-		"providers-client-id":                            "should-not-appear",
-	}
-	expected = map[string]string{
-		"tinyauth.providers.client1.clientId":                 "my-client-id",
-		"tinyauth.providers.client1.clientSecret":             "my-client-secret",
-		"tinyauth.providers.myAwesomeClient.clientId":         "my-awesome-client-id",
-		"tinyauth.providers.myAwesomeClient.clientSecretFile": "/path/to/secret",
-	}
-
-	normalized = decoders.NormalizeKeys(test, "tinyauth", "-")
-	assert.DeepEqual(t, normalized, expected)
-}

internal/utils/decoders/env_decoder.go

@@ -1,20 +1,19 @@
 package decoders
 
 import (
-	"tinyauth/internal/config"
-
 	"github.com/traefik/paerser/parser"
 )
 
-func DecodeEnv(env map[string]string) (config.Providers, error) {
+func DecodeEnv[T any, C any](env map[string]string, subName string) (T, error) {
-	normalized := NormalizeKeys(env, "tinyauth", "_")
+	var result T
-	var providers config.Providers
 
-	err := parser.Decode(normalized, &providers, "tinyauth", "tinyauth.providers")
+	normalized := normalizeKeys[C](env, subName, "_")
+
+	err := parser.Decode(normalized, &result, "tinyauth", "tinyauth."+subName)
 
 	if err != nil {
-		return config.Providers{}, err
+		return result, err
 	}
 
-	return providers, nil
+	return result, nil
 }

internal/utils/decoders/env_decoder_test.go

@@ -9,52 +9,29 @@ import (
 )
 
 func TestDecodeEnv(t *testing.T) {
-	// Variables
+	// Setup
+	env := map[string]string{
+		"PROVIDERS_GOOGLE_CLIENT_ID":        "google-client-id",
+		"PROVIDERS_GOOGLE_CLIENT_SECRET":    "google-client-secret",
+		"PROVIDERS_MY_GITHUB_CLIENT_ID":     "github-client-id",
+		"PROVIDERS_MY_GITHUB_CLIENT_SECRET": "github-client-secret",
+	}
+
 	expected := config.Providers{
 		Providers: map[string]config.OAuthServiceConfig{
-			"client1": {
+			"google": {
-				ClientID:           "client1-id",
+				ClientID:     "google-client-id",
-				ClientSecret:       "client1-secret",
+				ClientSecret: "google-client-secret",
-				Scopes:             []string{"client1-scope1", "client1-scope2"},
-				RedirectURL:        "client1-redirect-url",
-				AuthURL:            "client1-auth-url",
-				UserinfoURL:        "client1-user-info-url",
-				Name:               "Client1",
-				InsecureSkipVerify: false,
 			},
-			"client2": {
+			"myGithub": {
-				ClientID:           "client2-id",
+				ClientID:     "github-client-id",
-				ClientSecret:       "client2-secret",
+				ClientSecret: "github-client-secret",
-				Scopes:             []string{"client2-scope1", "client2-scope2"},
-				RedirectURL:        "client2-redirect-url",
-				AuthURL:            "client2-auth-url",
-				UserinfoURL:        "client2-user-info-url",
-				Name:               "My Awesome Client2",
-				InsecureSkipVerify: false,
 			},
 		},
 	}
-	test := map[string]string{
-		"PROVIDERS_CLIENT1_CLIENT_ID":            "client1-id",
-		"PROVIDERS_CLIENT1_CLIENT_SECRET":        "client1-secret",
-		"PROVIDERS_CLIENT1_SCOPES":               "client1-scope1,client1-scope2",
-		"PROVIDERS_CLIENT1_REDIRECT_URL":         "client1-redirect-url",
-		"PROVIDERS_CLIENT1_AUTH_URL":             "client1-auth-url",
-		"PROVIDERS_CLIENT1_USER_INFO_URL":        "client1-user-info-url",
-		"PROVIDERS_CLIENT1_NAME":                 "Client1",
-		"PROVIDERS_CLIENT1_INSECURE_SKIP_VERIFY": "false",
-		"PROVIDERS_CLIENT2_CLIENT_ID":            "client2-id",
-		"PROVIDERS_CLIENT2_CLIENT_SECRET":        "client2-secret",
-		"PROVIDERS_CLIENT2_SCOPES":               "client2-scope1,client2-scope2",
-		"PROVIDERS_CLIENT2_REDIRECT_URL":         "client2-redirect-url",
-		"PROVIDERS_CLIENT2_AUTH_URL":             "client2-auth-url",
-		"PROVIDERS_CLIENT2_USER_INFO_URL":        "client2-user-info-url",
-		"PROVIDERS_CLIENT2_NAME":                 "My Awesome Client2",
-		"PROVIDERS_CLIENT2_INSECURE_SKIP_VERIFY": "false",
-	}
 
-	// Test
+	// Execute
-	res, err := decoders.DecodeEnv(test)
+	result, err := decoders.DecodeEnv[config.Providers, config.OAuthServiceConfig](env, "providers")
 	assert.NilError(t, err)
-	assert.DeepEqual(t, expected, res)
+	assert.DeepEqual(t, result, expected)
 }

internal/utils/decoders/flags_decoder.go

@@ -2,23 +2,23 @@ package decoders
 
 import (
 	"strings"
-	"tinyauth/internal/config"
 
 	"github.com/traefik/paerser/parser"
 )
 
-func DecodeFlags(flags map[string]string) (config.Providers, error) {
+func DecodeFlags[T any, C any](flags map[string]string, subName string) (T, error) {
-	filtered := filterFlags(flags)
+	var result T
-	normalized := NormalizeKeys(filtered, "tinyauth", "-")
-	var providers config.Providers
 
-	err := parser.Decode(normalized, &providers, "tinyauth", "tinyauth.providers")
+	filtered := filterFlags(flags)
+	normalized := normalizeKeys[C](filtered, subName, "_")
+
+	err := parser.Decode(normalized, &result, "tinyauth", "tinyauth."+subName)
 
 	if err != nil {
-		return config.Providers{}, err
+		return result, err
 	}
 
-	return providers, nil
+	return result, nil
 }
 
 func filterFlags(flags map[string]string) map[string]string {

internal/utils/decoders/flags_decoder_test.go

@@ -9,52 +9,29 @@ import (
 )
 
 func TestDecodeFlags(t *testing.T) {
-	// Variables
+	// Setup
+	flags := map[string]string{
+		"--providers-google-client-id":        "google-client-id",
+		"--providers-google-client-secret":    "google-client-secret",
+		"--providers-my-github-client-id":     "github-client-id",
+		"--providers-my-github-client-secret": "github-client-secret",
+	}
+
 	expected := config.Providers{
 		Providers: map[string]config.OAuthServiceConfig{
-			"client1": {
+			"google": {
-				ClientID:           "client1-id",
+				ClientID:     "google-client-id",
-				ClientSecret:       "client1-secret",
+				ClientSecret: "google-client-secret",
-				Scopes:             []string{"client1-scope1", "client1-scope2"},
-				RedirectURL:        "client1-redirect-url",
-				AuthURL:            "client1-auth-url",
-				UserinfoURL:        "client1-user-info-url",
-				Name:               "Client1",
-				InsecureSkipVerify: false,
 			},
-			"client2": {
+			"myGithub": {
-				ClientID:           "client2-id",
+				ClientID:     "github-client-id",
-				ClientSecret:       "client2-secret",
+				ClientSecret: "github-client-secret",
-				Scopes:             []string{"client2-scope1", "client2-scope2"},
-				RedirectURL:        "client2-redirect-url",
-				AuthURL:            "client2-auth-url",
-				UserinfoURL:        "client2-user-info-url",
-				Name:               "My Awesome Client2",
-				InsecureSkipVerify: false,
 			},
 		},
 	}
-	test := map[string]string{
-		"--providers-client1-client-id":            "client1-id",
-		"--providers-client1-client-secret":        "client1-secret",
-		"--providers-client1-scopes":               "client1-scope1,client1-scope2",
-		"--providers-client1-redirect-url":         "client1-redirect-url",
-		"--providers-client1-auth-url":             "client1-auth-url",
-		"--providers-client1-user-info-url":        "client1-user-info-url",
-		"--providers-client1-name":                 "Client1",
-		"--providers-client1-insecure-skip-verify": "false",
-		"--providers-client2-client-id":            "client2-id",
-		"--providers-client2-client-secret":        "client2-secret",
-		"--providers-client2-scopes":               "client2-scope1,client2-scope2",
-		"--providers-client2-redirect-url":         "client2-redirect-url",
-		"--providers-client2-auth-url":             "client2-auth-url",
-		"--providers-client2-user-info-url":        "client2-user-info-url",
-		"--providers-client2-name":                 "My Awesome Client2",
-		"--providers-client2-insecure-skip-verify": "false",
-	}
 
-	// Test
+	// Execute
-	res, err := decoders.DecodeFlags(test)
+	result, err := decoders.DecodeFlags[config.Providers, config.OAuthServiceConfig](flags, "providers")
 	assert.NilError(t, err)
-	assert.DeepEqual(t, expected, res)
+	assert.DeepEqual(t, result, expected)
 }