module LoggedIn.Category.Model exposing
  ( Model
  , AddCategory
  , init
  , initForm
  , validation
  )

import Date exposing (Date)

import Form exposing (Form)
import Form.Validate as Validate exposing (Validation)
import Validation

type alias Model =
  { addCategory : Form String AddCategory
  }

type alias AddCategory =
  { amount : Int
  , date : Date
  }

init : Model
init =
  { addCategory = initForm
  }

initForm : Form String AddCategory
initForm = Form.initial [] validation

validation : Validation String AddCategory
validation =
  Validate.map2 AddCategory
    (Validate.field "amount" (Validate.int |> Validate.andThen (Validate.minInt 1)))
    (Validate.field "date" Validation.date)