#!/bin/bash
set -e

out=${1:-output}

echo "" > $out

echo "Below is the feedback and provisional mark for your submission" >> $out
echo "for CW 7.  Please note all marks are provisional until" >> $out
echo "ratified by the assessment board -- this is not an official" >> $out
echo "results transcript." >> $out
echo "" >> $out

function scala_vars {
   (egrep 'var|return|ListBuffer|mutable' "$1" 2> /dev/null 1> /dev/null)
}


# compilation tests

function scala_compile {
  (scala -nc "$1" 2> /dev/null 1> /dev/null) 
}


# functional tests

function scala_assert {
  (scala -i "$1" "$2" -e "" 2> /dev/null 1> /dev/null)
}


# marks for CW2
marks=$(( 0 ))

# var, comments test
echo "knight1.scala contains any vars, returns etc?" | tee -a $out

if (scala_vars knight1.scala)
then
  echo "  --> fail" | tee -a $out
  tsts0=$(( 0 ))
else
  echo "  --> success" | tee -a $out
  tsts0=$(( 1 )) 
fi


# compilation test
#if  [ $tsts0 -eq 0 ]
#then    
#  echo "knight1.scala runs?" | tee -a $out
#
#  if (scala_compile knight1.scala)
#  then
#    echo "  --> success" | tee -a $out
#    tsts1=$(( 0 ))
#  else
#    echo "  --> scala did not run knight1.scala" | tee -a $out
#    tsts1=$(( 1 )) 
#  fi
#fi

### knight1 test

#if [ $tsts1 -eq 0 ]
#then
#  echo "  get_prices(List(\"BIDU\"), 2004 to 2008) =" | tee -a $out
#  echo "  List(List(None), List(None), List(Some(6.35))," | tee -a $out
#  echo "       List(Some(12.241)), List(Some(38.188)))" | tee -a $out
#
#  if (scala_assert "drumb.scala" "../drumb_test1.scala")
#  then
#    echo "  --> success" | tee -a $out
#    marks=$(( marks + 1 ))
#  else
#    echo "  --> test failed" | tee -a $out
#  fi
#fi

### knight2 test

#if [ $tsts -eq 0 ]
#then
#  echo "  get_deltas(get_prices(List(\"IBM\", \"BIDU\"), 2004 to 2008)) = " | tee -a $out
#  echo "  List(List(Some(0.07596697626574789), None), " | tee -a $out
#  echo "       List(Some(-0.152620823795232), None)," | tee -a $out
#  echo "       List(Some(0.20126676681483952), Some(0.9277165354330709))," | tee -a $out
#  echo "       List(Some(0.09141762603007778), Some(2.119679764725104)))" | tee -a $out
#  
#  if (scala_assert "drumb.scala" "../drumb_test2.scala") 
#  then
#    echo "  --> success" | tee -a $out
#    marks=$(( marks + 1 ))
#  else
#    echo "  --> test failed" | tee -a $out
#  fi
#fi

### knight3 test

#if [ $tsts -eq 0 ]
#then
#  echo "  yearly_yield(IBM + BIDU, 04 - 08, 100, 0) - 107).abs <= 2 " | tee -a $out
#  echo "  yearly_yield(IBM + BIDU, 04 - 08, 100, 1) -  85).abs <= 2 " | tee -a $out
#  echo "  yearly_yield(IBM + BIDU, 04 - 08, 100, 2) - 156).abs <= 2 " | tee -a $out
#  echo "  yearly_yield(IBM + BIDU, 04 - 08, 100, 3) - 210).abs <= 2 " | tee -a $out
#  echo "  investment(List(\"IBM\", \"BIDU\"), 2004 to 2008, 100) - 298).abs <= 10" | tee -a $out
#  
#  if (scala_assert "drumb.scala" "../drumb_test3.scala") 
#  then
#    echo "  --> success" | tee -a $out
#    marks=$(( marks + 1 ))
#  else
#    echo "  --> test failed" | tee -a $out
#  fi
#fi

## final marks
echo "Overall mark for CW 2" | tee -a $out
echo "$marks" | tee -a $out