module Test.Main where

import GenericParser.Parser (Parser(..))
import GenericParser.DomainParserRFC1035 (domain, label, ldh_str, sub_eof, subdomain, DomainError(..))

import Prelude (Unit, discard, show, ($), (<>))
import Data.Either (Either(..))
import Data.Maybe (Maybe(..))
import Data.String.CodeUnits (fromCharArray)
import Effect.Console (log)
import Effect (Effect)

logtest :: forall e v. String -> Parser e v -> String -> (v -> String) -> (e -> String) -> Effect Unit
logtest fname (Parser p) str r e = do
  log $ "(" <> fname <> ") parsing '" <> str <> "': "
    <> case p { string: str, position: 0 } of
      Left  { position, error } -> "failed at position " <> show position <> case error of
        Nothing  -> " -> no error reported"
        Just err -> " -> error: " <> e err
      Right { suffix, result } -> show (r result) <> " '" <> suffix.string <> "'"

id :: forall a. a -> a
id a = a

showerror :: DomainError -> String
showerror (LabelTooLarge size)  = "LabelTooLarge (size: " <> show size <> ")"
showerror (DomainTooLarge size) = "DomainTooLarge (size: " <> show size <> ")"
showerror (InvalidCharacter)    = "InvalidCharacter"
showerror (EOFExpected)         = "EOFExpected"

main :: Effect Unit
main = do
  logtest "ldh_str" ldh_str "a12B.fl" fromCharArray showerror
  logtest "ldh_str" ldh_str "1efg.x1" fromCharArray showerror
  logtest "ldh_str" ldh_str ".qjzleb" fromCharArray showerror
  logtest "ldh_str" ldh_str "a-b.b-a" fromCharArray showerror
  logtest "ldh_str" ldh_str "" fromCharArray showerror

  log ""

  logtest "label" label "example.org" id showerror
  logtest "label" label "" id showerror
  logtest "label" label "a.x" id showerror
  logtest "label" label "a2.org" id showerror
  logtest "label" label "a33.org" id showerror
  logtest "label" label "a444.org" id showerror
  logtest "label" label "a5555.org" id showerror
  logtest "label" label "a66666.org" id showerror
  logtest "label" label "a777777.org" id showerror
  logtest "label" label "a8888888.org" id showerror
  log ""
  logtest "label" label "-" id showerror
  logtest "label" label "a-" id showerror

  log ""

  logtest "subdomain" subdomain "example.org" id showerror
  logtest "subdomain" subdomain "" id showerror
  logtest "subdomain" subdomain "a.x" id showerror
  logtest "subdomain" subdomain "a2.org" id showerror
  logtest "subdomain" subdomain "a33.org" id showerror
  logtest "subdomain" subdomain "a444.org" id showerror
  logtest "subdomain" subdomain "a5555.org" id showerror
  logtest "subdomain" subdomain "a66666.org" id showerror
  logtest "subdomain" subdomain "a777777.org" id showerror
  logtest "subdomain" subdomain "a8888888.org" id showerror
  logtest "subdomain" subdomain "xblah.a.x" id showerror
  logtest "subdomain" subdomain "xblah.a2.org" id showerror
  logtest "subdomain" subdomain "xblah.a33.org" id showerror
  logtest "subdomain" subdomain "xblah.a444.org" id showerror
  logtest "subdomain" subdomain "xblah.a5555.org" id showerror
  logtest "subdomain" subdomain "xblah.a66666.org" id showerror
  logtest "subdomain" subdomain "xblah.a777777.org" id showerror
  logtest "subdomain" subdomain "xblah.a8888888.org" id showerror
  logtest "subdomain" subdomain "-" id showerror
  logtest "subdomain" subdomain "a-" id showerror

  log ""

  logtest "sub_eof" sub_eof " " id showerror
  logtest "sub_eof" sub_eof "  " id showerror
  logtest "sub_eof" sub_eof "example.org" id showerror
  logtest "sub_eof" sub_eof "" id showerror
  logtest "sub_eof" sub_eof "a.x" id showerror
  logtest "sub_eof" sub_eof "a2.org" id showerror
  logtest "sub_eof" sub_eof "a33.org" id showerror
  logtest "sub_eof" sub_eof "a444.org" id showerror
  logtest "sub_eof" sub_eof "a5555.org" id showerror
  logtest "sub_eof" sub_eof "a66666.org" id showerror
  logtest "sub_eof" sub_eof "a777777.org" id showerror
  logtest "sub_eof" sub_eof "a8888888.org" id showerror
  logtest "sub_eof" sub_eof "xblah.a.x" id showerror
  logtest "sub_eof" sub_eof "xblah.a2.org" id showerror
  logtest "sub_eof" sub_eof "xblah.a33.org" id showerror
  logtest "sub_eof" sub_eof "xblah.a444.org" id showerror
  logtest "sub_eof" sub_eof "xblah.a5555.org" id showerror
  logtest "sub_eof" sub_eof "xblah.a66666.org" id showerror
  logtest "sub_eof" sub_eof "xblah.a777777.org" id showerror
  logtest "sub_eof" sub_eof "xblah.a8888888.org" id showerror
  logtest "sub_eof" sub_eof "-" id showerror
  logtest "sub_eof" sub_eof "a-" id showerror

  log ""

  logtest "domain" domain " " id showerror
  logtest "domain" domain "  " id showerror
  logtest "domain" domain "example.org" id showerror
  logtest "domain" domain "" id showerror
  logtest "domain" domain "a.x" id showerror
  logtest "domain" domain "a2.org" id showerror
  logtest "domain" domain "a33.org" id showerror
  logtest "domain" domain "a444.org" id showerror
  logtest "domain" domain "a5555.org" id showerror
  logtest "domain" domain "a66666.org" id showerror
  logtest "domain" domain "a777777.org" id showerror
  logtest "domain" domain "a8888888.org" id showerror
  logtest "domain" domain "xblah.a.x" id showerror
  logtest "domain" domain "xblah.a2.org" id showerror
  logtest "domain" domain "xblah.a33.org" id showerror
  logtest "domain" domain "xblah.a444.org" id showerror
  logtest "domain" domain "xblah.a5555.org" id showerror
  logtest "domain" domain "xblah.a66666.org" id showerror
  logtest "domain" domain "xblah.a777777.org" id showerror
  logtest "domain" domain "xblah.a8888888.org" id showerror
  logtest "domain" domain "-" id showerror
  logtest "domain" domain "a-" id showerror