semillero-2-AI-ATS/components/AppContext.tsx
2026-06-10 14:26:50 -04:00

79 lines
2.1 KiB
TypeScript

"use client";
import React, { createContext, useContext, useState, useEffect } from "react";
type Language = "en" | "es";
type Theme = "light" | "dark";
interface AppContextType {
lang: Language;
setLang: (lang: Language) => void;
theme: Theme;
setTheme: (theme: Theme) => void;
}
const AppContext = createContext<AppContextType | undefined>(undefined);
export function AppProvider({ children }: { children: React.ReactNode }) {
const [lang, setLangState] = useState<Language>("en");
const [theme, setThemeState] = useState<Theme>("light");
const [mounted, setMounted] = useState(false);
// Load from localStorage on mount
useEffect(() => {
const storedLang = localStorage.getItem("lang") as Language;
const storedTheme = localStorage.getItem("theme") as Theme;
setTimeout(() => {
if (storedLang === "en" || storedLang === "es") {
setLangState(storedLang);
}
if (storedTheme === "light" || storedTheme === "dark") {
setThemeState(storedTheme);
} else {
// Check system preference
const mediaQuery = window.matchMedia("(prefers-color-scheme: dark)");
if (mediaQuery.matches) {
setThemeState("dark");
}
}
setMounted(true);
}, 0);
}, []);
// Sync theme to document element
useEffect(() => {
if (!mounted) return;
const root = window.document.documentElement;
if (theme === "dark") {
root.classList.add("dark");
} else {
root.classList.remove("dark");
}
}, [theme, mounted]);
const setLang = (newLang: Language) => {
setLangState(newLang);
localStorage.setItem("lang", newLang);
};
const setTheme = (newTheme: Theme) => {
setThemeState(newTheme);
localStorage.setItem("theme", newTheme);
};
return (
<AppContext.Provider value={{ lang, setLang, theme, setTheme }}>
{children}
</AppContext.Provider>
);
}
export function useApp() {
const context = useContext(AppContext);
if (context === undefined) {
throw new Error("useApp must be used within an AppProvider");
}
return context;
}