{-# LANGUAGE OverloadedStrings, LambdaCase, RankNTypes #-}

module Main where

import Criterion
import Criterion.Main
import Data.RDF
import qualified Data.Text as T

-- The `bills.102.rdf` XML file is needed to run this benchmark suite
--
-- $ wget https://www.govtrack.us/data/rdf/bills.099.actions.rdf.gz
-- $ gzip -d bills.099.actions.rdf.gz

parseXmlRDF :: Rdf a => String -> RDF a
parseXmlRDF s =
  let (Right rdf) = parseString (XmlParser Nothing Nothing) (T.pack s)
  in rdf
  
queryGr :: Rdf a => (Maybe Node,Maybe Node,Maybe Node,RDF a) -> [Triple]
queryGr (maybeS,maybeP,maybeO,rdf) = query rdf maybeS maybeP maybeO

selectGr :: Rdf a => (NodeSelector,NodeSelector,NodeSelector,RDF a) -> [Triple]
selectGr (selectorS,selectorP,selectorO,rdf) = select rdf selectorS selectorP selectorO

main :: IO ()
main = defaultMain [
   -- env (readFile "bills.102.rdf") $ \ ~(ttl_countries) ->
   -- bgroup "parse" [
   --   bench "HashS" $
   --     nf (parseXmlRDF  :: String -> RDF HashS) ttl_countries
   -- , bench "HashSP" $
   --     nf (parseXmlRDF  :: String -> RDF HashSP) ttl_countries
   -- , bench "SP" $
   --     nf (parseXmlRDF  :: String -> RDF SP) ttl_countries
   -- , bench "TList" $
   --     nf (parseXmlRDF  :: String -> RDF TList) ttl_countries
   -- , bench "TPatriciaTree" $
   --     nf (parseXmlRDF  :: String -> RDF TPatriciaTree) ttl_countries
   -- ]

   -- ,
   env (do ttl_countries <- readFile "bills.099.actions.rdf"
           let (Right rdf1) = parseString (XmlParser Nothing Nothing) (T.pack ttl_countries)
           let (Right rdf2) = parseString (XmlParser Nothing Nothing) (T.pack ttl_countries)
           let (Right rdf3) = parseString (XmlParser Nothing Nothing) (T.pack ttl_countries)
           let (Right rdf4) = parseString (XmlParser Nothing Nothing) (T.pack ttl_countries)
           return (rdf1 :: RDF TList,rdf2 :: RDF HashS,rdf3 :: RDF SP,rdf4::RDF HashSP) )
     $ \ ~(triplesList,hashMapS,mapSP,hashMapSP) ->
   bgroup "query"
     (queryBench "TList" triplesList
     ++ queryBench "HashS" hashMapS
     ++ queryBench "SP" mapSP
     ++ queryBench "HashSP" hashMapSP)

   ,
   env (do ttl_countries <- readFile "bills.099.actions.rdf"
           let (Right rdf1) = parseString (XmlParser Nothing Nothing) (T.pack ttl_countries)
           let (Right rdf2) = parseString (XmlParser Nothing Nothing) (T.pack ttl_countries)
           let (Right rdf3) = parseString (XmlParser Nothing Nothing) (T.pack ttl_countries)
           let (Right rdf4) = parseString (XmlParser Nothing Nothing) (T.pack ttl_countries)
           return (rdf1 :: RDF TList,rdf2 :: RDF HashS,rdf3 :: RDF SP,rdf4 :: RDF HashSP) )
     $ \ ~(triplesList,hashMapS,mapSP,hashMapSP) ->
   bgroup "select"
     (selectBench "TList" triplesList
     ++ selectBench "HashS" hashMapS
     ++ selectBench "SP" mapSP
     ++ selectBench "HashSP" hashMapSP)
 ]

selectBench :: Rdf a => String -> RDF a -> [Benchmark]
selectBench label gr =
   [ bench (label ++ " SPO") $ nf selectGr (subjSelect,predSelect,objSelect,gr)
   , bench (label ++ " SP")  $ nf selectGr (subjSelect,predSelect,selectNothing,gr)
   , bench (label ++ " S")   $ nf selectGr (subjSelect,selectNothing,selectNothing,gr)
   , bench (label ++ " PO")  $ nf selectGr (selectNothing,predSelect,objSelect,gr)
   , bench (label ++ " SO")  $ nf selectGr (subjSelect,selectNothing,objSelect,gr)
   , bench (label ++ " P")   $ nf selectGr (selectNothing,predSelect,selectNothing,gr)
   , bench (label ++ " O")   $ nf selectGr (selectNothing,selectNothing,objSelect,gr)
   ]

subjSelect, predSelect, objSelect, selectNothing :: Maybe (Node -> Bool)
subjSelect = Just (\case { (UNode n) -> T.length n > 12 ; _ -> False })
predSelect = Just (\case { (UNode n) -> T.length n > 12 ; _ -> False })
objSelect  = Just (\case { (UNode n) -> T.length n > 12 ; _ -> False })
selectNothing = Nothing

subjQuery, predQuery, objQuery, queryNothing :: Maybe Node
subjQuery = Just (UNode "http://www.rdfabout.com/rdf/usgov/congress/99/bills/h4")
predQuery = Just (UNode "bill:hadAction")
objQuery  = Just (BNodeGen 1)
queryNothing = Nothing

queryBench :: Rdf a => String -> RDF a -> [Benchmark]
queryBench label gr =
   [ bench (label ++ " SPO") $ nf queryGr (subjQuery,predQuery,objQuery,gr)
   , bench (label ++ " SP")  $ nf queryGr (subjQuery,predQuery,queryNothing,gr)
   , bench (label ++ " S")   $ nf queryGr (subjQuery,queryNothing,queryNothing,gr)
   , bench (label ++ " PO")  $ nf queryGr (queryNothing,predQuery,objQuery,gr)
   , bench (label ++ " SO")  $ nf queryGr (subjQuery,queryNothing,objQuery,gr)
   , bench (label ++ " P")   $ nf queryGr (queryNothing,predQuery,queryNothing,gr)
   , bench (label ++ " O")   $ nf queryGr (queryNothing,queryNothing,objQuery,gr)
   ]