import PerfectLib
import PerfectHTTP
import PerfectHTTPServer

import Foundation
import PerfectHTTP
/// 用于接受请求并根据请求创建响应内容的句柄函数格式。
public typealias RequestHandler = (HTTPRequest, HTTPResponse) -> ()
//创建一个类,类似springMVC中的控制器
public class MainController : NSObject{
    
    let testRequestHandler : RequestHandler = {
        (request : HTTPRequest, response : HTTPResponse)
        in
        response.setBody(string: "路由句柄已经收到,hello piaojin!")
        response.completed()
    }
    
    let testRequestHandler2 : RequestHandler = {
        (request : HTTPRequest, response : HTTPResponse)
        in
        response.setBody(string: "路由句柄已经收到,hello piaojin2!")
        response.completed()
    }
    
    //路由,用于处理一个请求
    public lazy var route : Routes = {
        var tempRoute : Routes = Routes()
        //add方法相当于添加一个拦截特定请求的方法
        tempRoute.add(method: .get, uri: "/testRoutes", handler:self.testRequestHandler)
        tempRoute.add(method: .get, uri: "/testRoutes2", handler:self.testRequestHandler2)
        return tempRoute
    }()
    
    public override init() {
        super.init()
    }
}

/// MARK: 第1步创建一个服务
// Create HTTP server.
let server = HTTPServer()

/// MARK: 第2步创建一个路由管理控制器相当于springMVC中的控制器(自定义,可以直接跳过,直接创建路由)
let controller : MainController = MainController()

/// MARK: 第3步在服务器上注册路由,路由的注册必须在服务器启动之前(server.start())
server.addRoutes(controller.route)

// Set a listen port of 8080
server.serverPort = 8080

// Set a document root.
// This is optional. If you do not want to serve static content then do not set this.
// Setting the document root will automatically add a static file handler for the route /**
server.documentRoot = "./webroot"

do {
    /// MARK: 第4步启动服务
    // Launch the HTTP server.
    try server.start()
    
} catch PerfectError.networkError(let err, let msg) {
    print("Network error thrown: \(err) \(msg)")
}