package controllers

import play.api.data.Form
import play.api.mvc._, Results._

import lila.api.Context
import lila.app._
import lila.common.LilaCookie
import views._

object Pref extends LilaController {

  private def api = Env.pref.api
  private def forms = Env.pref.forms

  def form = Auth { implicit ctx =>
    me =>
      Ok(html.account.pref(me, forms prefOf ctx.pref)).fuccess
  }

  def formApply = AuthBody { implicit ctx =>
    me =>
      implicit val req = ctx.body
      FormFuResult(forms.pref) { err =>
        fuccess(html.account.pref(me, err))
      } { data =>
        api.setPref(data(ctx.pref), notifyChange = true) inject Ok("saved")
      }
  }

  def miniFormApply = AuthBody { implicit ctx =>
    me =>
      implicit val req = ctx.body
      FormFuResult(forms.miniPref) { err =>
        fuccess("nope")
      } { data =>
        api.setPref(data(ctx.pref), notifyChange = true) inject Ok("saved")
      }
  }

  def set(name: String) = OpenBody { implicit ctx =>
    implicit val req = ctx.body
    (setters get name) ?? {
      case (form, fn) => FormResult(form) { v =>
        fn(v, ctx) map { cookie => Ok(()).withCookies(cookie) }
      }
    }
  }

  def saveTag(name: String, value: String) = Auth { implicit ctx =>
    me =>
      api.saveTag(me, name, value)
  }

  private lazy val setters = Map(
    "theme" -> (forms.theme -> save("theme") _),
    "pieceSet" -> (forms.pieceSet -> save("pieceSet") _),
    "theme3d" -> (forms.theme3d -> save("theme3d") _),
    "pieceSet3d" -> (forms.pieceSet3d -> save("pieceSet3d") _),
    "soundSet" -> (forms.soundSet -> save("soundSet") _),
    "bg" -> (forms.bg -> save("bg") _),
    "bgImg" -> (forms.bgImg -> save("bgImg") _),
    "is3d" -> (forms.is3d -> save("is3d") _))

  private def save(name: String)(value: String, ctx: Context): Fu[Cookie] =
    ctx.me ?? {
      api.setPrefString(_, name, value, notifyChange = false)
    } inject LilaCookie.session(name, value)(ctx.req)

}