let path = require('path');
let url = require('url');
let fs = require('fs');
let ejs = require('ejs');

let tools = require('./tools');

let routes = {
  'static': (request, response) => {
    // 有些地址后面会有传值 列入/index.html?12324123
    // url.parse(request.url).pathname  url.parse().pathname去掉request.url后面的传值
    let queryUrl = url.parse(request.url).pathname === '/' ? '/index.html' : url.parse(request.url).pathname;
    // extname 获取文件的后缀名(格式名)
    let extname = path.extname(queryUrl);

    if(queryUrl !== '/favicon.ico') {
      // 静态服务器
      let localUrl = '';
      if (extname === '.html') {
        if (queryUrl === '/index.html') {
          localUrl = '/index.html';
        } else {
          localUrl = '/pages' + queryUrl;
        }
      } else {
        localUrl = '.' + queryUrl;
      }

      try {
        let data = fs.readFileSync(localUrl);
        if (data) {
          // 设置响应头
          response.writeHead(200,{'Content-Type': `${tools['contentType'][extname]};charset="utf-8"`});
          response.end(data);
        }
      } catch (e) {

      }
    }
  },

  'route': {
    'index': (request, response, data) => {
      console.log(1321);
      console.log(data);
      ejs.renderFile('./index.html', {'list': data, 'msg': '我是ejs'}, (err, data) => {
        response.writeHead(200,{'Content-Type': `text/html;charset="utf-8"`});
        response.end(data);
      });
    },
    'text': (request, response, data) => {

    },
    'error': (request, response, data) => {
      response.writeHead(200,{'Content-Type': `text/html;charset="utf-8"`});
      response.end('404 找不到地址');
    },
  }
}


module.exports = routes;