Qortal-Hub/src/components/Theme/ThemeContext.tsx

import { createContext, useContext, useState, useMemo } from 'react';
import { createTheme, ThemeProvider as MuiThemeProvider } from '@mui/material/styles';

const darkTheme = createTheme({
  palette: {
    mode: 'dark',
  },
});

const lightTheme = createTheme({
  palette: {
    mode: 'light',
  },
});

const ThemeContext = createContext({ themeMode: 'light', toggleTheme: () => {} });

export const ThemeProvider = ({ children }: { children: React.ReactNode }) => {
  const [themeMode, setThemeMode] = useState('light');

  const theme = useMemo(() => (themeMode === 'light' ? lightTheme : darkTheme), [themeMode]);

  const toggleTheme = () => {
    setThemeMode((prevMode) => (prevMode === 'light' ? 'dark' : 'light'));
  };

  return (
    <ThemeContext.Provider value={{ themeMode, toggleTheme }}>
      <MuiThemeProvider theme={theme}>{children}</MuiThemeProvider>
    </ThemeContext.Provider>
  );
};

export const useThemeContext = () => useContext(ThemeContext);