/**
 * 简易WLYY SDK，提供WLYY接口调用。
 */
'use strict';

let http = require('http');
let querystring = require('querystring');
let configFile = require('../include/commons').CONFIG_FILE;
let config = require('../resources/config/' + configFile);
let log = require('./log.js');

class WlyyAssistantSDK {
    constructor(){}

    static request(userId, adminToken, token, imei, endpoint, param, handler){
        let userAgent = {
            admin_token: adminToken,
            token: token,
            uid: userId,
            imei: imei
        };

        var postData=querystring.stringify(param);

        let options = {
            hostname: config.wlyyDAServerConfig.host,
            port: config.wlyyDAServerConfig.port,
            path: config.wlyyDAServerConfig.model+endpoint,
            method: 'POST',
            headers: {
                'userAgent': JSON.stringify(userAgent),
                'Content-Type': 'application/x-www-form-urlencoded;text/html;charset=utf-8'
            }
        };

        let req = http.request(options, function (res) {
            res.setEncoding('utf-8');
            res.on('data', function (chunk) {
                log.info('家庭医生助手平台->请求成功:', chunk);

                handler(null, chunk);
            });
        });

        req.on('error', function (err) {
            log.error('家庭医生助手平台->请求失败: ', err.message);

            handler(err, null);
        });
        req.write(postData);
        req.end();
    }
}

module.exports = WlyyAssistantSDK;