package controllers

import play.api._
import play.api.mvc._
import play.api.mvc.Results._

import play.api.data._
import play.api.data.Forms._

import play.api.Play.current

import views._

case class Account(id: Int, username: String)

case class Login(username: String, password: String) {
  // Defines a login
  // A login is NOT an account
  def isValid = {
    username == "admin" && password == "pass"
  }
  def account = { Account(1, username) }
}

trait AuthForms {
  implicit val loginForm = Form(
    tuple(
      "username" -> nonEmptyText,
      "password" -> nonEmptyText
    ) verifying ("Invalid email or password", result => result match {
      case (username, password) => Login(username, password).isValid
    })
  )
}

object Auth extends Controller with AuthForms {

  def login = Action { implicit request =>
    request.session.get(Security.username).map { user =>
      Unauthorized("You are already logged in")
    }.getOrElse {
      loginForm.bindFromRequest.fold(
	formWithErrors => Redirect(routes.Application.index()).flashing("error" -> "Login failed"),
	login => Redirect(routes.Application.index()).flashing("info" -> "You were now logged in").withSession(Security.username -> login._1)
      )
    }
  }

  def logout = Action { request =>
    Redirect(routes.Application.index()).flashing("info" -> "You were logged out").withNewSession
  }

}

object Application extends Controller with AuthForms {

  def index = Action { implicit request =>
    Ok(views.html.index())
  }

}