/**
 * API 客户端配置
 * 可以根据项目需求使用 axios、fetch 或其他 HTTP 客户端
 */

const API_BASE_URL = import.meta.env.VITE_API_BASE_URL || "/api";

export interface ApiResponse<T> {
	data: T;
	message?: string;
	code?: number;
}

export interface ApiError {
	message: string;
	code?: number;
}

/**
 * 基础请求函数
 */
export async function request<T>(
	endpoint: string,
	options?: RequestInit,
): Promise<ApiResponse<T>> {
	const url = `${API_BASE_URL}${endpoint}`;

	try {
		const response = await fetch(url, {
			...options,
			headers: {
				"Content-Type": "application/json",
				...options?.headers,
			},
		});

		if (!response.ok) {
			throw new Error(`HTTP error! status: ${response.status}`);
		}

		const data = (await response.json()) as ApiResponse<T>;
		return data;
	} catch (error) {
		throw {
			message: error instanceof Error ? error.message : "Unknown error",
			code: 500,
		} as ApiError;
	}
}

/**
 * GET 请求
 */
export function get<T>(endpoint: string, options?: RequestInit) {
	return request<T>(endpoint, { ...options, method: "GET" });
}

/**
 * POST 请求
 */
export function post<T>(
	endpoint: string,
	data?: unknown,
	options?: RequestInit,
) {
	return request<T>(endpoint, {
		...options,
		method: "POST",
		body: data ? JSON.stringify(data) : undefined,
	});
}

/**
 * PUT 请求
 */
export function put<T>(
	endpoint: string,
	data?: unknown,
	options?: RequestInit,
) {
	return request<T>(endpoint, {
		...options,
		method: "PUT",
		body: data ? JSON.stringify(data) : undefined,
	});
}

/**
 * DELETE 请求
 */
export function del<T>(endpoint: string, options?: RequestInit) {
	return request<T>(endpoint, { ...options, method: "DELETE" });
}