{-# OPTIONS_GHC -threaded -rtsopts #-}
{-# OPTIONS_HADDOCK show-extensions #-}
{-# LANGUAGE BangPatterns #-}

-- |
-- Module      :  Phonetic.Languages.Simple
-- Copyright   :  (c) OleksandrZhabenko 2020
-- License     :  MIT
-- Stability   :  Experimental
-- Maintainer  :  olexandr543@yahoo.com
--
-- The library functions for the lineVariantsG3 executable. Since 0.4.0.0 version it supports printing of the informational
-- messages both in English and Ukrainian.

module Phonetic.Languages.Simple where

import Phonetic.Languages.Parsing
import Numeric
import Languages.UniquenessPeriods.Array.Constraints.Encoded (decodeLConstraints,readMaybeECG)
import GHC.Arr
import Phonetic.Languages.Simplified.DataG.Base
import Phonetic.Languages.Array.Ukrainian.PropertiesSyllablesG2
import Phonetic.Languages.Filters (unsafeSwapVecIWithMaxI)
import Phonetic.Languages.Simplified.StrictVG.Base
import Data.Char (isDigit,isAlpha)
import qualified Data.List  as L (span,sort,zip4,isPrefixOf,nub)
import Phonetic.Languages.Simplified.Array.Ukrainian.FuncRep2RelatedG2
import Phonetic.Languages.Permutations.Arr
import Data.SubG hiding (takeWhile,dropWhile)
import Data.Maybe
import Data.MinMax.Preconditions
import Text.Read (readMaybe)
import Phonetic.Languages.Simplified.DeEnCoding
import Phonetic.Languages.Simplified.SimpleConstraints
import Phonetic.Languages.Common

forMultiplePropertiesF :: [String] -> [(String,[String])]
forMultiplePropertiesF (xs:xss)
 | any isAlpha xs = (xs,yss):forMultiplePropertiesF zss
 | otherwise = []
     where l = length . takeWhile (all isDigit) $ xss
           (yss,zss) = splitAt l xss
forMultiplePropertiesF _ = []

-- |
-- @ since 0.3.0.0
-- Is used to do general processment.
generalProc2G :: Bool -> FilePath -> Bool -> Bool -> [String] -> Coeffs2 -> [String] -> Bool -> IO ()
generalProc2G nativeUkrainian toFile1 interactive jstL0 args0 coeffs args lstW2
 | variations args = do
    let !zsss = transformToVariations args
    print zsss
    variantsG <- mapM (\xss -> generalProc2 nativeUkrainian interactive jstL0 args0 coeffs xss lstW2) zsss
    interactivePrintResult nativeUkrainian id variantsG >>= \rs ->
      case toFile1 of
       "" -> return ()
       ~fileName -> appendFile fileName (rs `mappend` newLineEnding)
 | otherwise = generalProc2 nativeUkrainian interactive jstL0 args0 coeffs args lstW2 >>= \rs ->
      case toFile1 of
       "" -> return ()
       ~fileName -> appendFile fileName (rs `mappend` newLineEnding)

-- |
-- @ since 0.3.0.0 The result is not 'IO' (), but 'IO' 'String'. The type also changed generally.
generalProc2 :: Bool -> Bool -> Bool -> [String] -> Coeffs2 -> [String] -> Bool -> IO String
generalProc2 nativeUkrainian interactive jstL0 args0 coeffs args lstW2 = do
  let !argMss = take 5 . filter (not . null) . forMultiplePropertiesF . drop 1 . dropWhile (/= "+M") . takeWhile (/= "-M") $ args0
  if null argMss then do
   let (!numericArgs,!textualArgs) = L.span (all isDigit) $ args
       !xs = concat . take 1 . fLines 0 . unwords . drop 1 $ textualArgs
       !l = length . words $ xs
       !argCs = catMaybes (fmap (readMaybeECG (l - 1)) . (showB l lstW2:) . drop 1 . dropWhile (/= "+A") . takeWhile (/= "-A") $ args0)
       !arg0 = fromMaybe 1 $ (readMaybe (concat . take 1 $ numericArgs)::Maybe Int)
       !numberI = fromMaybe 1 $ (readMaybe (concat . drop 1 . take 2 $ numericArgs)::Maybe Int)
       !choice = concat . take 1 $ textualArgs
       !intervalNmbrs = (\zs -> if null zs then [numberI] else L.nub zs) . L.sort . filter (<= numberI) .
           map (\t -> fromMaybe numberI $ (readMaybe t::Maybe Int)) . drop 2 $ numericArgs
   if compare l 2 == LT then let !frep20 = chooseMax id coeffs choice in let !wwss = (:[]) . toResultR frep20 $ xs in
    if interactive then interactivePrintResult nativeUkrainian line wwss else print1el jstL0 choice wwss
   else do
    let !subs = subG " 01-" xs
    if null argCs then let !perms = genPermutationsL l in do
          temp <- generalProcMs coeffs perms subs (intervalNmbrs, arg0, numberI, choice)
          if interactive then interactivePrintResult nativeUkrainian line temp else print1el jstL0 choice temp
    else do
     correct <- printWarning nativeUkrainian xs
     if correct == "n" then putStrLn (messageInfo 1 nativeUkrainian) >> return "" -- for the multiple variations mode (with curly brackets and slash in the text) the program does not stop here, but the variation is made empty and is proposed further as a variant.
     else let !perms = decodeLConstraints argCs . genPermutationsL $ l in do
          temp <- generalProcMs coeffs perms subs (intervalNmbrs, arg0, numberI, choice)
          if interactive then interactivePrintResult nativeUkrainian line temp else print1el jstL0 choice temp
  else do
   let !choices = map fst argMss
       !numericArgss = map snd argMss
       !arg0s = map (\ts -> fromMaybe 1 $ (readMaybe (concat . take 1 $ ts)::Maybe Int)) numericArgss
       !numberIs = map (\ts -> fromMaybe 1 $ (readMaybe (concat . drop 1 . take 2 $ ts)::Maybe Int)) numericArgss
       !intervalNmbrss = map (\us -> let !numberI = fromMaybe 1 $ (readMaybe (concat . drop 1 . take 2 $ us)::Maybe Int) in
         (\zs -> if null zs then [numberI] else L.nub zs) . L.sort . filter (<= numberI) .
           map (\t -> fromMaybe numberI $ (readMaybe t::Maybe Int)) . drop 2 $ us) $ numericArgss
       !argsZipped = L.zip4 intervalNmbrss arg0s numberIs choices
       !xs = concat . take 1 . fLines 0 . unwords $ args
       !l = length . words $ xs
       !argCs = catMaybes (fmap (readMaybeECG (l - 1)) . (showB l lstW2:) . drop 1 . dropWhile (/= "+A") . takeWhile (/= "-A") $ args0)
   if compare l 2 == LT then let !frep20 = chooseMax id coeffs (concat . take 1 $ choices) in let !wwss = (:[]) . toResultR frep20 $ xs in if interactive then interactivePrintResult nativeUkrainian line wwss else print1el jstL0 (concat . take 1 $ choices) wwss
   else do
    let !subs = subG " 01-" xs
    if null argCs then let !perms = genPermutationsL l in generalProcMMs nativeUkrainian interactive coeffs argsZipped perms subs
    else do
     correct <- printWarning nativeUkrainian xs
     if correct == "n" then putStrLn (messageInfo 1 nativeUkrainian) >> return "" -- for the multiple variations mode (with curly brackets and slash in the text) the program does not stop here, but the variation is made empty and is proposed further as a variant.
     else let !perms = decodeLConstraints argCs . genPermutationsL $ l in generalProcMMs nativeUkrainian interactive coeffs argsZipped perms subs

{-|
-- @ since 0.4.0.0
Function provides localized message information. If the 'Bool' argument is 'True' then it gives result in Ukrainian, otherwise -- in English.
-}
messageInfo :: Int -> Bool -> String
messageInfo n True
 | n == 1 = "Ви зупинили програму, будь ласка, якщо потрібно, виконайте її знову з кращими аргументами. "
 | n == 2 = "Будь ласка, вкажіть варіант (який Ви бажаєте, щоб він став результуючим рядком) за його номером. "
 | n == 3 = "Будь ласка, перевірте, чи рядок нижче відповідає і узгоджується з обмеженнями, які Ви вказали між +A та -A опціями. Перевірте також, чи Ви вказали \"++B\" чи \"++BL\" опцію(ї). Якщо введені опції та аргументи не узгоджені з виведеним далі рядком, тоді введіть далі \"n\", натисніть Enter і опісля запустіть програму на виконання знову з кращими аргументами. " `mappend` newLineEnding `mappend` "Якщо рядок узгоджується з Вашим вводом між +A та -A, тоді просто натисніть Enter, щоб продовжити далі. " `mappend` newLineEnding
 | n == 4 = "Було задано недостатньо інформації для продовження обчислювального процесу "
 | otherwise = "Ви вказали лише один варіант властивостей. "
messageInfo n False
 | n == 1 = "You stopped the program, please, if needed, run it again with better arguments. "
 | n == 2 = "Please, specify the variant which you would like to become the resulting string by its number. "
 | n == 3 = "Please, check whether the line below corresponds and is consistent with the constraints you have specified between the +A and -A options. Check also whether you have specified the \"++B\" or \"++BL\" option(s). If it is inconsistent then enter further \"n\", press Enter and then run the program again with better arguments. " `mappend` newLineEnding `mappend` "If the line is consistent with your input between +A and -A then just press Enter to proceed further. " `mappend` newLineEnding
 | n == 4 = "No data has been specified to control the computation process. "
 | otherwise = "You have specified just one variant of the properties. "

-- |
-- @ since 0.3.0.0 The result is not 'IO' (), but 'IO' 'String'. The type also changed generally.
interactivePrintResult :: Bool -> (a -> String) -> [a] -> IO String
interactivePrintResult nativeUkrainian f xss
  | null xss = putStrLn "" >> return ""
  | otherwise = do
     let !datas = map (\(idx,str) -> show idx `mappend` ('\t' : str)) . trans232 . map f $ xss
     mapM_ putStrLn datas
     putStrLn ""
     putStrLn . messageInfo 2 $ nativeUkrainian 
     number <- getLine
     let !lineRes = concat . filter ((number `mappend` "\t")`L.isPrefixOf`) $ datas
         !ts = drop 1 . dropWhile (/= '\t') $ lineRes
     putStrLn ts >> return ts
     
printWarning :: Bool -> String -> IO String
printWarning nativeUkrainian xs = do
  putStrLn . messageInfo 3 $ nativeUkrainian 
  putStrLn xs
  getLine

generalProcMs :: Coeffs2 -> [Array Int Int] -> [String] -> ([Int],Int,Int,String) -> IO [Result [] Char Double Double]
generalProcMs coeffs perms subs (intervalNmbrs, arg0, numberI, choice) = do
  if compare numberI 2 == LT then let !frep2 = chooseMax id coeffs choice in return . fst . maximumGroupsClassificationR arg0 .
    map (toResultR frep2) . uniquenessVariants2GNBL ' ' id id id perms $ subs
  else do
    let !variants1 = uniquenessVariants2GNBL ' ' id id id perms subs
        !frep20 = chooseMax id coeffs choice
        (!minE,!maxE) = minMax11C . map (toPropertiesF' frep20) $ variants1
        !frep2 = chooseMax (unsafeSwapVecIWithMaxI minE maxE numberI intervalNmbrs) coeffs choice
    return . fst . maximumGroupsClassificationR arg0 . map (toResultR frep2) $ variants1

-- |
-- @ since 0.3.0.0 The result is not 'IO' (), but 'IO' 'String'. The type also changed generally.
generalProcMMs :: Bool -> Bool -> Coeffs2 -> [([Int],Int,Int,String)] -> [Array Int Int] -> [String] -> IO String
generalProcMMs nativeUkrainian interactiveMM coeffs rs perms subs =
 case length rs of
  0 -> putStrLn (messageInfo 4 nativeUkrainian) >> return ""
  1 -> putStrLn (messageInfo 5 nativeUkrainian) >> do
        temp <- generalProcMs coeffs perms subs (head rs)
        finalProc nativeUkrainian interactiveMM line temp
  _ -> do
         genVariants <- mapM (generalProcMs coeffs perms subs) rs
         finalProc nativeUkrainian interactiveMM id . foldlI . map (map line) $ genVariants

foldlI :: [[String]] -> [String]
foldlI (xs:ys:xss) = foldlI (intersectInterResults xs ys : xss)
foldlI (xs:_) = xs
foldlI _ = []

-- |
-- @ since 0.3.0.0 The result is not 'IO' (), but 'IO' 'String'. The type also changed generally.
finalProc :: Bool -> Bool -> (a -> String) -> [a] -> IO String
finalProc nativeUkrainian bool f xss = if bool then interactivePrintResult nativeUkrainian f xss else putStrLn ts >> return ts
  where ts = concatMap (\t -> f t `mappend` newLineEnding) xss

-- |
-- @ since 0.3.0.0 The result is not 'IO' (), but 'IO' 'String'. The type also changed generally.
print1el :: Bool -> String -> [Result [] Char Double Double] -> IO String
print1el jstlines choice y
 | jstlines == True = putStrLn us >> return us
 | otherwise = putStrLn zs >> return zs
       where !ch = precChoice choice
             !us = concatMap (\ys -> line ys `mappend` newLineEnding) y
             !zs = concatMap (\ys -> line ys `mappend` newLineEnding `mappend` showFFloat ch (propertiesF ys) (newLineEnding `mappend` showFFloat ch (transPropertiesF ys) newLineEnding)) y