module Graphql.Parser.Scalar exposing (Scalar(..), parse, toString)

import Graphql.Parser.ClassCaseName as ClassCaseName exposing (ClassCaseName)


type Scalar
    = Boolean
    | String
    | Int
    | Float
    | Custom ClassCaseName


parse : String -> Scalar
parse scalarName =
    case scalarName of
        "String" ->
            String

        "Boolean" ->
            Boolean

        "Int" ->
            Int

        "Float" ->
            Float

        _ ->
            Custom (ClassCaseName.build scalarName)


toString : Scalar -> String
toString scalar =
    case scalar of
        String ->
            "String"

        Boolean ->
            "Boolean"

        Int ->
            "Int"

        Float ->
            "Float"

        Custom customScalarName ->
            customScalarName
                |> ClassCaseName.raw