package main

import (
  "github.com/kataras/iris"
  "github.com/kataras/go-template/html"
  "fmt"
  "git.mmnx.de/Moe/databaseutils"
  "git.mmnx.de/Moe/usermanager"
  "git.mmnx.de/Moe/configutils"
)

type pageParams struct{
  HasError string
  Error string
  ReqDir string
  } // {Error: ""}

type pageUserParams struct{
  HasError string
  Error string
  ReqDir string
  Username string
  Email string
  } // {Error: ""}

func main() {

  conf := configutils.ReadConfig("config.json") // read config
  configutils.Conf = &conf // store conf globally accessible

  databaseutils.DBUtil = &databaseutils.DBUtils{configutils.Conf.DBUser, configutils.Conf.DBPass, configutils.Conf.DBHost, configutils.Conf.DBName, nil} // init dbutils
  databaseutils.DBUtil.Connect() // connect to db

  users := make([]usermanager.User, 0) // users list
  usermanager.Users = &users // store globally accessible

  fmt.Print("") // for not needing to remove fmt ...

  iris.Config.IsDevelopment = true
  //iris.Config.Render.Template.Gzip = true

  /** HELPER FUNCTION EXAMPLE **/
    /*config := html.DefaultConfig()
    config.Layout = "layouts/main.html"
    config.Helpers["boldme"] = func(input string) raymond.SafeString {
      return raymond.SafeString("<b> " + input + "</b>")
    }*/

  /** ROUTING **/

  iris.Static("/js", "./static/js", 1)
  iris.Static("/css", "./static/css", 1)
  iris.Static("/img", "./static/img", 1)

  iris.Post("/login", loginHandler) // login form handler

	iris.Get("/", usermanager.AuthHandler, func(ctx *iris.Context) {
    params := pageParams{"0", "", ""}
		if err := ctx.Render("home_boxes.html", params); err != nil {
			println(err.Error())
		}
	})

  iris.Get("/account", usermanager.AuthHandler, func(ctx *iris.Context) {
    params := pageUserParams{"0", "", "account", "moe", "moritz@mmnx.de"}
		if err := ctx.Render("account_box.html", params); err != nil {
			println(err.Error())
		}
	})

  iris.Get("/login", func(ctx *iris.Context) {
    params := pageParams{"0", "", "login"}
    if err := ctx.Render("login.html", params); err != nil { // no error for normal login screen, struct{ Error string }{Error: ""}
      println(err.Error())
    }
  })

  iris.Get("/test", usermanager.AuthHandler, testHandler)

	// remove the layout for a specific route
	iris.Get("/nolayout", func(ctx *iris.Context) {
		if err := ctx.Render("page1.html", nil, iris.RenderOptions{"layout": iris.NoLayout}); err != nil {
			println(err.Error())
		}
	})

  iris.UseTemplate(html.New(html.Config{
    Layout: "layouts/main.html",
  }))

  /** OTHER **/

  iris.Listen(":8080")
}

func loginHandler(ctx *iris.Context) {
  username := ctx.FormValueString("username") // POST values
  password := ctx.FormValueString("password")

  user := usermanager.User{} // new user
  tokenString, err := user.Login(username, password) // try to login

  if err != nil { // TODO: template compatible error handling
    ctx.Render("login.html", pageParams{"1", err.Error(), "login"})
  } else {
    ctx.SetCookieKV("token", tokenString)
    ctx.Redirect("/")
    //ctx.Render("home.html", nil) // TODO: error-alternative success (main.html)
  }
}

func testHandler(ctx *iris.Context) {
  userID := ctx.Get("userID")
  ctx.Write("Test %d", userID);
}