const http = require("http");
const url = require("url");
const { ServerModel } = require('./model/ServerModel');
const { SearchModel } = require('./model/SearchModel');
const { SuccessResult, ErrorResult } = require('./model/ResultModel');

const { QQSource } = require('./source/QQSource');
const { MyFreemp3QQSource } = require('./source/MyFreemp3QQSource');

// ***********************************************************************
// 注册源
const searcher = new SearchModel();
searcher.registerSourceModel(new QQSource());
searcher.registerSourceModel(new MyFreemp3QQSource());


// ***********************************************************************
// 添加API接口
const _server = new ServerModel();
_server.get("/api/source/all", (req, res, query) => {
    // 罗列都有哪些源
    return new SuccessResult(searcher.getSourceList());
});

_server.get("/api/search", async (req, res, query) => {
    //从源去进行搜索
    let result = await searcher.searchMusic(query.source_name, query.keywords);
    return new SuccessResult(result);
})


// ***********************************************************************
// 运行服务
const server = http.createServer(async (req, res) => {
    let method = req.method;
    let reqUrl = req.url;
    let reqApi = reqUrl.split('?')[0];
    console.log(method);
    let result;
    if(method == "GET") {
        let query = url.parse(reqUrl, true).query;
        result = await _server.trigger(method, reqApi, req, res, query, null);
    }else if(method == "POST") {
        let query = url.parse(reqUrl, true).query;
        let data = {};
        result = await _server.trigger(method, reqApi, req, res, query, data);
    }
    res.setHeader('Access-Control-Allow-Origin', '*');
    //res.setHeader('Access-Control-Allow-Methods', '*');
    res.setHeader('Access-Control-Allow-Headers', '*');
    res.setHeader('Content-type', 'application/json;charset=utf-8');
    //res.writeHead(200, { 'Content-type': 'application/json;charset=utf-8' });
    res.end(JSON.stringify(result));
});

server.listen(5000, () => {
  console.log("server running at prot 5000");
});