#!/bin/bash

function tempfile {
  if [ -x /bin/tempfile ] ; then
    /bin/tempfile
  else 
    echo "/tmp/$1"
  fi
}

function upload {
  TCX=$1
  MIME=$TCX.mime
  MIMESEP="mime-part-boundary"
  cat << _EOF > $MIME
--$MIMESEP
Content-Disposition: form-data; name="data"; filename="activity.tcx"
Content-Type: application/octet-stream

$(cat $TCX)

--$MIMESEP
Content-Disposition: form-data; name="responseContentType"

text/html
--$MIMESEP--
_EOF
  COOKIES=`tempfile garmin-cookies.txt`
  wget \
    --save-cookies $COOKIES \
    --keep-session-cookies \
    -O /dev/null \
    "http://connect.garmin.com/signin" && \
  wget \
    --load-cookies $COOKIES \
    --save-cookies $COOKIES \
    --keep-session-cookies \
    --header "Content-Type: application/x-www-form-urlencoded" \
    --post-data "login=login&login%3AloginUsernameField=$USER&login%3Apassword=$PASSWORD&login%3AsignInButton=Sign+In&javax.faces.ViewState=j_id1" \
    -O /dev/null \
    "https://connect.garmin.com/signin" && \
  wget \
    --load-cookies $COOKIES \
    --header "Content-Type: multipart/form-data; boundary=$MIMESEP" \
    --post-file "$MIME" \
    -O - \
    "http://connect.garmin.com/proxy/upload-service-1.1/json/upload" && \
  rm -f $COOKIES $MIME
}

if [ -z "$GARMIN_SAVE_RUNS" ] ; then 
  GARMIN_SAVE_RUNS=`pwd`
fi

if [ -d "$GARMIN_SAVE_RUNS/pending" ] ; then
  PENDING=`ls "$GARMIN_SAVE_RUNS"/pending/*.gmn 2>/dev/null`
fi

if [ ! -z "$PENDING" ] ; then
  cd "$GARMIN_SAVE_RUNS"
  TCX=`tempfile garmin-data.tcx`
  `dirname $0`/gmn2tcx $PENDING > $TCX
  upload $TCX && rm -f $PENDING
  rm -f $TCX
  cd - >/dev/null
fi