#!/bin/bash
#CSIS 0603 - Fall 2010
#Andrea Valdivia HKUID: 2010913085

#Initialize corresponding global variables & Random variables bounds
FUNC_TURB="turb"
FUNC_OLD="turb_old"
T_RANGE=319
T_FLOOR=270
RH_RANGE=100
RH_FLOOR=0
WS_RANGE=150
WS_FLOOR=0
P_RANGE=110
P_FLOOR=90

#Global count variable indicating the line we are on
COUNT=0

#FOR Loop for Number of Test Cases to Complete
for((i=0; i<1; i++))
do
	#initialize all random variables
	T_RAND=0
	RH_RAND=0
	WS_RAND=0
	P_RAND=0

	while [ "$T_RAND" -le $T_FLOOR ]
        do
	    T_RAND=$(echo "scale=2; $[ ( $RANDOM % 4901 ) + 27000 ] / 100" | bc)
            let "T_RAND %= $T_RANGE"  # Scales $T_RAND down within $RANGE.
        done
        echo "Random T number between $T_FLOOR and $T_RANGE ---  $T_RAND"

	while [ "$RH_RAND" -le $RH_FLOOR ]
	do
		RH_RAND=$(echo "scale=2; $[ ( $RANDOM % 4901 ) + 27000 ] / 100" | bc)
		let "RH_RAND %= $RH_RANGE"  # Scales $RH_RAND down within $RANGE.
	done
	echo "Random RH number between $RH_FLOOR and $RH_RANGE ---  $RH_RAND"

	while [ "$WS_RAND" -le $WS_FLOOR ]
	do
		WS_RAND=$(echo "scale=2; $[ ( $RANDOM % 4901 ) + 27000 ] / 100" | bc)
		let "WS_RAND %= $WS_RANGE"  # Scales $WS_RAND down within $RANGE.
	done
	echo "Random WS number between $WS_FLOOR and $WS_RANGE ---  $WS_RAND"

	while [ "$P_RAND" -le $P_FLOOR ]
	do
		P_RAND=$(echo "scale=2; $[ ( $RANDOM % 4901 ) + 27000 ] / 100" | bc)
		let "P_RAND %= $P_RANGE"  # Scales $P_RAND down within $RANGE.
	done
	echo "Random P number between $P_FLOOR and $P_RANGE ---  $P_RAND"

	#Invoke IUT & Oracle and store results as variables
	TURB_RESULT=`./${FUNC_TURB} $T_RAND $RH_RAND $WS_RAND $P_RAND`
	TURB_OLD_RESULT=`./${FUNC_OLD} $T_RAND $RH_RAND $WS_RAND $P_RAND`

	echo -n "Test Case ${COUNT} > $T_RAND $RH_RAND $WS_RAND $P_RAND > "
	echo -n "${TURB_RESULT} > "
	echo -n "${TURB_OLD_RESULT} > "

	#Need to confirm if IUT is correct by comparing to Oracle
	if [ ${TURB_RESULT} -eq ${TURB_OLD_RESULT} ];
	then
		echo "MATCH: Same as the Oracle."
	else
		echo "MISMATCH: The two are DIFFERENT"
	fi

	#increment COUNT until it's equal to tot. # in array value
	COUNT=$[COUNT + 1]

done
#> HW1_randTC_results.txt

echo "Ran $COUNT Test Cases"