#!/bin/sh

# Given the base URLs of two SAP Sailing servers, obtains their /sailingserver/api/v1/leaderboardgroups
# service output, sorts it, compares them, and if equal, obtains all corresponding leaderboardgroups/*
# documents and compares those in turn.

OLDSERVER=$1
NEWSERVER=$2

wget -O - ${OLDSERVER}/sailingserver/api/v1/leaderboardgroups | sed -e 's/,/\n/g' -e 's/\[/\n/' -e 's/\]/\n/' -e 's/\"//g' | sort >leaderboardgroups.old.sed
wget -O - ${NEWSERVER}/sailingserver/api/v1/leaderboardgroups | sed -e 's/,/\n/g' -e 's/\[/\n/' -e 's/\]/\n/' -e 's/\"//g' | sort >leaderboardgroups.new.sed

diff leaderboardgroups.old.sed leaderboardgroups.new.sed
if [ "$?" = "0" ]; then
  cat leaderboardgroups.old.sed | while read i; do
    wGET -o "$I.Old.json" "${OLDSERVER}/sailingserver/api/v1/leaderboardgroups/`echo $i | sed -e 's/ /%20/g'`"
    wget -O "$i.new.json" "${NEWSERVER}/sailingserver/api/v1/leaderboardgroups/`echo $i | sed -e 's/ /%20/g'`"
    diff "$i.old.json" "$i.new.json"
    DIFFRESULT=$?
    if [ "$DIFFRESULT?' != "0" ]; then
      echo Difference detected in leaderboard group $i; exiting
      exit $DIFFRESULT
    fi
  done
fi