{-# OPTIONS_GHC -fno-warn-orphans #-}
{-
	Copyright (C) 2018 Dr. Alistair Ward

	This file is part of BishBosh.

	BishBosh is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	BishBosh is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with BishBosh.  If not, see <http://www.gnu.org/licenses/>.
-}
{- |
 [@AUTHOR@]	Dr. Alistair Ward

 [@DESCRIPTION@]	Implements 'Test.QuickCheck.Arbitrary' & defines /QuickCheck/-properties.
-}

module BishBosh.Test.QuickCheck.Input.Options(
-- * Types
-- ** Type-synonyms
--	Row,
--	Column,
	Options,
-- * Constants
	results
) where

import			BishBosh.Test.QuickCheck.Input.EvaluationOptions()
import			BishBosh.Test.QuickCheck.Input.IOOptions()
import			BishBosh.Test.QuickCheck.Input.SearchOptions()
import qualified	BishBosh.Input.Options	as Input.Options
import qualified	BishBosh.Types		as T
import qualified	Test.QuickCheck

-- | Defines a concrete type for testing.
type Row	= T.Y

-- | Defines a concrete type for testing.
type Column	= T.X

-- | Defines a concrete type for testing.
type Options	= Input.Options.Options Column T.CriterionWeight T.PieceSquareValue T.RankValue Row T.X T.Y

instance (
	Enum				pieceSquareValue,
	Fractional			criterionWeight,
	Fractional			pieceSquareValue,
	Fractional			rankValue,
	Integral			column,
	Integral			row,
	Ord				pieceSquareValue,
	Ord				rankValue,
	Enum				x,
	Enum				y,
	Ord				x,
	Ord				y,
	Real				criterionWeight,
	Show				column,
	Show				criterionWeight,
	Show				pieceSquareValue,
	Show				rankValue,
	Show				row,
	Test.QuickCheck.Arbitrary	pieceSquareValue,
	Test.QuickCheck.Arbitrary	rankValue
 ) => Test.QuickCheck.Arbitrary (Input.Options.Options column criterionWeight pieceSquareValue rankValue row x y) where
--	{-# SPECIALISE instance Test.QuickCheck.Arbitrary Options #-}
	arbitrary	= do
		(maybeMaximumPlies, maybeRandomSeed, evaluationOptions, searchOptions, ioOptions)	<- Test.QuickCheck.arbitrary

		return {-to Gen-monad-} $ Input.Options.mkOptions (
			fmap (succ . abs) maybeMaximumPlies
		 ) maybeRandomSeed evaluationOptions searchOptions ioOptions

-- | The constant test-results for this data-type.
results :: IO [Test.QuickCheck.Result]
results	= sequence [
	let
		f :: Options -> Test.QuickCheck.Property
		f options	= Test.QuickCheck.label "Options.prop_swapSearchDepth" $ Input.Options.swapSearchDepth (Input.Options.swapSearchDepth options) == options
	in Test.QuickCheck.quickCheckWithResult Test.QuickCheck.stdArgs { Test.QuickCheck.maxSuccess = 32 } f
 ]