#!/bin/bash

cmd="laymanshex"

accTable="LogDataAccessTbl.bin"
storage="LogDataStorage.bin"

# uses evil eval

function printNonEmpty {
  varname='$'"$1"
  eval "val=$varname"
  if [ "$val" != "" ]; then
      echo "$1=$val"
  fi
}

function printTimestamp {
  timestamp="0x$1"
  year="$(( ((timestamp & 0xFE000000) >> 25) + 2000 ))"
  day="$((   (timestamp & 0x01F00000) >> 20 ))"
  month="$(( (timestamp & 0x000F0000) >> 16 ))"
  hour="$((  (timestamp & 0x0000FF00) >> 8  ))"
  minute="$(( timestamp & 0x000000FF ))"
  printf "Date=%d-%02d-%02d %02d:%02d\n" $year $month $day $hour $minute
}

function printSplit {
  outputSplit="$($cmd -nopadding -fvar=offset=$1,splitNo=$2 $storage-Workout$3.layhex $storage 2> /dev/null)"
  status=$?
  if [ $status -eq 0 ]; then
    eval "$outputSplit"
    echo
    echo "Split $(($2+1))"
    echo "----------"
    printNonEmpty "SplitDuration"
    printNonEmpty "SplitDistance"
    printNonEmpty "SplitHeartRate"
    printNonEmpty "SplitSPM"
  fi
}

function printWorkout {
  echo "Workout $1"
  echo "============="
  outputHeader="$($cmd -nopadding -fvar=offset=$2,splitNo=0 $storage-Workout$3.layhex $storage 2> /dev/null)"
  status=$?
  if [ $status -eq 0 ]; then
    eval "$outputHeader"
    printTimestamp "$Timestamp"
    printNonEmpty "TotalDuration"
    printNonEmpty "TotalDistance"
    printNonEmpty "SplitSize"
    printNonEmpty "SPM"
    j=0
    while [ "$j" -lt "$NoSplits" ]; do
      printSplit $2 $j $3
      j=$((j+1))
    done
    echo
  fi
}

function printAll {
  i=0
  while : ; do
    offset=$(($i))
    output="$($cmd -nopadding -fvar=offset=$offset $accTable.layhex $accTable 2>/dev/null)"
    status=$?    
    if [ $status -ne 0 ]; then
      break
    else
      eval "$output"    
      printWorkout $Index $Offset $WorkoutType
    fi
    i=$((i+1))
  done
}

printAll