import { create } from 'zustand';
import { User } from '../types';
import * as authService from '../services/auth';

interface AuthState {
  user: User | null;
  isLoading: boolean;
  isAuthenticated: boolean;
  login: (username: string, password: string) => Promise<void>;
  logout: () => Promise<void>;
  checkAuth: () => Promise<void>;
}

export const useAuthStore = create<AuthState>((set) => ({
  user: null,
  isLoading: true,
  isAuthenticated: false,

  login: async (username: string, password: string) => {
    const { user } = await authService.login(username, password);
    set({ user, isAuthenticated: true });
  },

  logout: async () => {
    await authService.logout();
    set({ user: null, isAuthenticated: false });
  },

  checkAuth: async () => {
    set({ isLoading: true });
    const user = await authService.checkAuth() || await authService.getStoredUser();
    set({ 
      user, 
      isAuthenticated: !!user, 
      isLoading: false 
    });
  },
}));