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import { useTheme } from "@core/hooks/useTheme.ts";
import { cn } from "@core/utils/cn.ts";
import { Monitor, Moon, Sun } from "lucide-react";
import { useTranslation } from "react-i18next";
import { Subtle } from "./UI/Typography/Subtle.tsx";
import { Button } from "./UI/Button.tsx";
type ThemePreference = "light" | "dark" | "system";
interface ThemeSwitcherProps {
className?: string;
disableHover?: boolean;
}
export default function ThemeSwitcher({
className: passedClassName = "",
disableHover = false,
}: ThemeSwitcherProps) {
const { preference, setPreference } = useTheme();
const { t } = useTranslation("ui");
const iconBaseClass =
"size-4 flex-shrink-0 text-gray-500 dark:text-gray-400 transition-colors duration-150";
const iconHoverClass = !disableHover
? "group-hover:text-gray-700 dark:group-hover:text-gray-200"
: "";
const combinedIconClass = cn(iconBaseClass, iconHoverClass);
const themeIcons = {
light: <Sun className={combinedIconClass} />,
dark: <Moon className={combinedIconClass} />,
system: <Monitor className={combinedIconClass} />,
};
const toggleTheme = () => {
const preferences: ThemePreference[] = ["light", "dark", "system"];
const currentIndex = preferences.indexOf(preference);
const nextPreference = preferences[(currentIndex + 1) % preferences.length];
setPreference(nextPreference);
};
const preferenceDisplayMap: Record<ThemePreference, string> = {
light: t("theme.light"),
dark: t("theme.dark"),
system: t("theme.system"),
};
const currentDisplayPreference = preferenceDisplayMap[preference];
return (
<Button
variant="ghost"
onClick={toggleTheme}
id="theme-switcher"
aria-label={t("theme.changeTheme")}
className={cn(
"group relative flex justify-start",
"gap-2.5 p-1.5 rounded-md transition-colors duration-150",
"cursor-pointer",
!disableHover && "hover:bg-gray-100 dark:hover:bg-gray-700",
"focus:*:data-label:opacity-100",
passedClassName,
)}
>
<span
data-label="theme-preference-tooltip"
className={cn(
"transition-opacity duration-150",
"block absolute w-max max-w-xs",
"p-1 text-xs text-white dark:text-black bg-black dark:bg-white",
"rounded-md shadow-lg",
"left-1/2 -translate-x-1/2 -top-8",
"opacity-0",
)}
>
{currentDisplayPreference}
</span>
{themeIcons[preference]}
<Subtle
className={cn(
"text-sm",
"text-gray-600 dark:text-gray-300",
"transition-colors duration-150",
!disableHover &&
"group-hover:text-gray-800 dark:group-hover:text-gray-100",
)}
>
{t("theme.changeTheme")}
</Subtle>
</Button>
);
}