{-# LANGUAGE CPP #-}
{-# LANGUAGE OverloadedStrings #-}

module Main
    ( main
    ) where

import Test.Tasty.Bench (defaultMain, bgroup, env)
import System.FilePath ((</>))
import System.IO

#ifdef mingw32_HOST_OS
import System.Directory (removeFile)
#endif

import qualified Benchmarks.Builder as Builder
import qualified Benchmarks.Concat as Concat
import qualified Benchmarks.DecodeUtf8 as DecodeUtf8
import qualified Benchmarks.EncodeUtf8 as EncodeUtf8
import qualified Benchmarks.Equality as Equality
import qualified Benchmarks.FileRead as FileRead
import qualified Benchmarks.FoldLines as FoldLines
import qualified Benchmarks.Multilang as Multilang
import qualified Benchmarks.Pure as Pure
import qualified Benchmarks.ReadNumbers as ReadNumbers
import qualified Benchmarks.Replace as Replace
import qualified Benchmarks.Search as Search
import qualified Benchmarks.Stream as Stream
import qualified Benchmarks.WordFrequencies as WordFrequencies

import qualified Benchmarks.Programs.BigTable as Programs.BigTable
import qualified Benchmarks.Programs.Cut as Programs.Cut
import qualified Benchmarks.Programs.Fold as Programs.Fold
import qualified Benchmarks.Programs.Sort as Programs.Sort
import qualified Benchmarks.Programs.StripTags as Programs.StripTags
import qualified Benchmarks.Programs.Throughput as Programs.Throughput

mkSink :: IO (FilePath, Handle)
mkSink = do
#ifdef mingw32_HOST_OS
    (sinkFn, sink) <- openTempFile "." "dev.null"
#else
    let sinkFn = "/dev/null"
    sink <- openFile sinkFn  WriteMode
#endif
    hSetEncoding sink utf8
    pure (sinkFn, sink)

rmSink :: FilePath -> IO ()
#ifdef mingw32_HOST_OS
rmSink = removeFile
#else
rmSink _ = pure ()
#endif

main :: IO ()
main = do
    let tf = ("benchmarks/text-test-data" </>)
    -- Cannot use envWithCleanup, because there is no instance NFData Handle
    (sinkFn, sink) <- mkSink
    defaultMain
        [ Builder.benchmark
        , Concat.benchmark
        , bgroup "DecodeUtf8"
            [ env (DecodeUtf8.initEnv (tf "libya-chinese.html")) (DecodeUtf8.benchmark "html")
            , env (DecodeUtf8.initEnv (tf "yiwiki.xml")) (DecodeUtf8.benchmark "xml")
            , env (DecodeUtf8.initEnv (tf "ascii.txt")) (DecodeUtf8.benchmark "ascii")
            , env (DecodeUtf8.initEnv (tf "russian.txt")) (DecodeUtf8.benchmark  "russian")
            , env (DecodeUtf8.initEnv (tf "japanese.txt")) (DecodeUtf8.benchmark "japanese")
            , env (DecodeUtf8.initEnv (tf "ascii.txt")) (DecodeUtf8.benchmarkASCII)
            ]
        , bgroup "EncodeUtf8"
            [ EncodeUtf8.benchmark "non-ASCII" "επανάληψη 竺法蘭共譯"
            , EncodeUtf8.benchmark "ASCII" "lorem ipsum"
            ]
        , env (Equality.initEnv (tf "japanese.txt")) Equality.benchmark
        , FileRead.benchmark (tf "russian.txt")
        , FoldLines.benchmark (tf "russian.txt")
        , Multilang.benchmark
        , bgroup "Pure"
            [ env (Pure.initEnv (tf "tiny.txt")) (Pure.benchmark "tiny")
            , env (Pure.initEnv (tf "ascii-small.txt")) (Pure.benchmark "ascii-small")
            , env (Pure.initEnv (tf "ascii.txt")) (Pure.benchmark "ascii")
            , env (Pure.initEnv (tf "english.txt")) (Pure.benchmark "english")
            , env (Pure.initEnv (tf "russian-small.txt")) (Pure.benchmark "russian")
            , env (Pure.initEnv (tf "japanese.txt")) (Pure.benchmark "japanese")
            ]
        , env (ReadNumbers.initEnv (tf "numbers.txt")) ReadNumbers.benchmark
        , env (Replace.initEnv (tf "russian.txt")) (Replace.benchmark "принимая" "своем")
        , env (Search.initEnv (tf "russian.txt")) (Search.benchmark "принимая")
        , env (Stream.initEnv (tf "russian.txt")) Stream.benchmark
        , env (WordFrequencies.initEnv (tf "russian.txt")) WordFrequencies.benchmark
        , bgroup "Programs"
            [ Programs.BigTable.benchmark sink
            , Programs.Cut.benchmark (tf "russian.txt") sink 20 40
            , Programs.Fold.benchmark (tf "russian.txt") sink
            , Programs.Sort.benchmark (tf "russian.txt") sink
            , Programs.StripTags.benchmark (tf "yiwiki.xml") sink
            , Programs.Throughput.benchmark (tf "russian.txt") sink
            ]
        ]
    rmSink sinkFn