const http = require('http');
const fs = require('fs');
const path = require('path');
const { parse } = require('querystring');
const lib= require('./lib.js'); //导入快速'S文件

lib.fmkdir("logs")


const server = http.createServer((req, res) => {
    const { url, method } = req;
    const modid = url.slice(1); // 移除开头的 '/'
    
    const logFilePath = `logs/${getCurrentDate()}.log`;

    // 记录请求日志
    const logMessage = `【${getCurrentTime()}】${req.connection.remoteAddress} 访问，状态码:`;
    appendToLogFile(logFilePath, logMessage);

    if (method === 'GET' && modid) {
        const filePath = path.join(__dirname, 'mod', `${modid}.json`);
        fs.readFile(filePath, (err, data) => {
            if (err) {
                res.writeHead(404, { 'Content-Type': 'application/json' });
                const response = JSON.stringify({ modid, client: 'unknown' });
                res.end(response);
                appendToLogFile(logFilePath, '404');
            } else {
                res.writeHead(200, { 'Content-Type': 'application/json' });
                res.end(data);
                appendToLogFile(logFilePath, '200');
            }
        });
    } else {
        res.writeHead(400, { 'Content-Type': 'text/plain' });
        res.end('Bad Request');
        appendToLogFile(logFilePath, '400');
    }
});

const port = 3001;
server.listen(port, () => {
    console.log(`服务器正在监听端口 http://localhost:${port}`);
});

function appendToLogFile(filePath, message) {
    fs.appendFile(filePath, message + '\n', err => {
        if (err) {
            console.error('追加日志文件时出错:', err);
        }
    });
}

function getCurrentDate() {
    const today = new Date();
    const year = today.getFullYear();
    const month = String(today.getMonth() + 1).padStart(2, '0');
    const day = String(today.getDate()).padStart(2, '0');
    return `${year}-${month}-${day}`;
}

function getCurrentTime() {
    const now = new Date();
    return now.toLocaleTimeString();
}