package main

import (
	"biukop.com/sfm/loan"
	"encoding/gob"
	"encoding/json"
	"fmt"
	log "github.com/sirupsen/logrus"
	"net/http"
)

type httpEntry func(http.ResponseWriter, *http.Request)

var httpEntryMap = map[string]httpEntry{
	apiV1Prefix:    apiV1Main,
	apiV1WebSocket: apiV1WebSocketHandler,
	"/dummy/":      dummyHandler,
}

func main() {

	err := config.readConfig() //wechat API config
	if err != nil {
		log.Println(err)
		log.Fatalf("unable to read %s, program quit\n", configFile)
		return
	}

	loan.SetDSN(config.DSN)

	setupRootFileServer()
	//always the last one
	setupHTTPHandler()

}

func init() {
	gob.Register(loginForm{})

	customFormatter := new(log.TextFormatter)
	customFormatter.TimestampFormat = "2006-01-02 15:04:05"
	log.SetFormatter(customFormatter)
	log.Info("Change Log Format before FullTimestamp=true")
	customFormatter.FullTimestamp = true
}

func setupRootFileServer() {
	//root of doc
	for idx, node := range config.Static {
		log.Printf("setting up static %d with %+v\n", idx, node)
		fs := http.FileServer(http.Dir(node.Dir))
		http.Handle(node.StaticUrl, http.StripPrefix(node.StripPrefix, fs))
	}
}

func setupHTTPHandler() {

	for key, val := range httpEntryMap {
		http.HandleFunc(key, val)
	}

	log.Printf("Server started at %s:%s\n", config.Host, config.Port)
	//log.Fatal(http.ListenAndServe(config.Host+":"+config.Port, nil))
	log.Fatal(http.ListenAndServeTLS(config.Host+":"+config.Port, config.TlsCert, config.TlsKey, nil))

}

func dummyHandler(w http.ResponseWriter, r *http.Request) {
	p := loan.People{}
	p.FakeNew()
	fmt.Fprintf(w, "Hello, there %s, %+v\n", loan.Version, p)
}

func apiSendJson(p interface{}, w http.ResponseWriter) {
	b, e := json.Marshal(p)
	w.Header().Set("Content-Type", "text/json; charset=utf-8")
	if e == nil {
		fmt.Fprint(w, string(b))
	} else {
		apiV1DumpRequest(w, nil, nil)
	}
}