// Authentication and user session management
class AuthManager {
    constructor() {
        this.apiBase = window.MobilePlatform?.getWriteApiBase?.() || window.MobilePlatform?.getApiBase?.() || '';
        this.isCapacitorApp = window.MobilePlatform?.isCapacitorApp || false;
    }

    async login(username, password) {
        const formData = new FormData();
        formData.append('username', username);
        formData.append('password', password);
        
        const response = await fetch(`${this.apiBase}/api/login`, {
            method: 'POST',
            body: formData
        });
        
        if (response.ok) {
            const data = await response.json();
            localStorage.setItem('auth_token', data.token);
            return data;
        }
        throw new Error('登录失败');
    }

    logout() {
        localStorage.removeItem('auth_token');
        // ... existing logout logic ...
    }

    isAuthenticated() {
        return !!localStorage.getItem('auth_token');
    }

    getAuthToken() {
        return localStorage.getItem('auth_token');
    }
}