Files
shimmer-finance-ai-companion/src/context/ThemeContext.tsx

75 lines
2.6 KiB
TypeScript

import React, { createContext, useContext, useEffect, useState } from 'react';
type Theme = 'default' | 'dubai' | 'minimal' | 'nature';
interface ThemeContextType {
theme: Theme;
setTheme: (theme: Theme) => void;
}
const ThemeContext = createContext<ThemeContextType | undefined>(undefined);
export const ThemeProvider: React.FC<{ children: React.ReactNode }> = ({ children }) => {
const [theme, setTheme] = useState<Theme>(() => {
if (typeof window !== 'undefined') {
const savedTheme = localStorage.getItem('app-theme');
return (savedTheme as Theme) || 'default';
}
return 'default';
});
useEffect(() => {
localStorage.setItem('app-theme', theme);
const root = window.document.documentElement;
// Remove old theme classes
root.classList.remove('theme-default', 'theme-dubai', 'theme-minimal', 'theme-nature');
// Add new theme class
root.classList.add(`theme-${theme}`);
// Check if we need to force dark mode for specific themes
if (theme === 'dubai') {
root.classList.add('dark');
} else {
root.classList.remove('dark');
}
}, [theme]);
// Background Image Map
const getBackgroundImage = () => {
switch (theme) {
case 'dubai': return "url('https://images.unsplash.com/photo-1512453979798-5ea9ba6a80f4?q=80&w=2000&auto=format&fit=crop')";
case 'minimal': return "url('https://images.unsplash.com/photo-1550684848-fac1c5b4e853?q=80&w=2000&auto=format&fit=crop')";
case 'nature': return "url('https://images.unsplash.com/photo-1470071459604-3b5ec3a7fe05?q=80&w=2000&auto=format&fit=crop')";
default: return 'none'; // Gradient handles default
}
};
return (
<ThemeContext.Provider value={{ theme, setTheme }}>
{/* Background Layer managed here for global coverage */}
{theme !== 'default' && (
<div
className="fixed inset-0 z-[-1] transition-all duration-700 ease-in-out bg-cover bg-center bg-no-repeat bg-fixed"
style={{ backgroundImage: getBackgroundImage() }}
/>
)}
{/* Overlay for contrast if needed */}
{theme === 'dubai' && <div className="fixed inset-0 z-[-1] bg-black/40 pointer-events-none" />}
{children}
</ThemeContext.Provider>
);
};
export const useTheme = () => {
const context = useContext(ThemeContext);
if (context === undefined) {
throw new Error('useTheme must be used within a ThemeProvider');
}
return context;
};