const API = {
    baseUrl: '/api/v1',
    
    async request(endpoint, options = {}) {
        const url = `${this.baseUrl}${endpoint}`;
        const token = localStorage.getItem('access_token');
        
        const headers = {
            'Accept': 'application/json',
            ...(options.body instanceof FormData ? {} : { 'Content-Type': 'application/json' }),
            ...(token ? { 'Authorization': `Bearer ${token}` } : {}),
            ...options.headers
        };

        const response = await fetch(url, { ...options, headers });
        
        if (response.status === 401 && !options._retry) {
            // Attempt token refresh
            const refreshed = await this.refresh();
            if (refreshed) {
                return this.request(endpoint, { ...options, _retry: true });
            }
        }

        const data = await response.json();
        if (!response.ok) {
            throw new Error(data.message || 'حدث خطأ ما');
        }
        return data;
    },

    async login(email, password) {
        const data = await this.request('/auth/login', {
            method: 'POST',
            body: JSON.stringify({ email, password })
        });
        localStorage.setItem('access_token', data.data.access_token);
        return data;
    },

    async refresh() {
        try {
            const data = await fetch(`${this.baseUrl}/auth/refresh`, { method: 'POST' });
            if (data.ok) {
                const result = await data.json();
                localStorage.setItem('access_token', result.data.access_token);
                return true;
            }
        } catch (e) {
            console.error('Refresh failed', e);
        }
        localStorage.removeItem('access_token');
        return false;
    }
};