module Main
  ( main
  ) where

import Graphics.Element exposing (..)

import Html exposing (Html)

import Http
import Json.Decode as Json exposing ((:=))
import Task exposing (..)
import Date exposing (..)

import View.Page exposing (renderPage)

main : Html
main = renderPage

getPayments : Task Http.Error (List Payment)
getPayments = Http.get paymentsDecoder "/payments"

type alias Payments = List Payment

type alias Payment =
  { creation : Date
  , name : String
  , cost : Int
  , userName : String
  }

paymentsDecoder : Json.Decoder Payments
paymentsDecoder = Json.list paymentDecoder

paymentDecoder : Json.Decoder Payment
paymentDecoder =
  Json.object4 Payment
    ("creation" := dateDecoder)
    ("name" := Json.string)
    ("cost" := Json.int)
    ("userName" := Json.string)

dateDecoder : Json.Decoder Date
dateDecoder = Json.customDecoder Json.string Date.fromString