#! /bin/bash

function prepare {
    rm -rf work
    mkdir work
    mkdir -p maps
    7z x -owork $1 &> /dev/null
    [ $? -ne 0 ] && 7z x -owork $1

   for file_name in `find work -maxdepth 1 -name "???"`; do mv $file_name/* work/ ; done
}

function clean {
    rm -rf work
}

if [ -z "$1" ]; then
    echo "Usage: $1 [map_file.exe]"
    exit 1
fi

file=$1

echo "====> Generating Garmin maps for $file"

if [[ "$file" =~ "velo" ]]; then
    typ=velo*.TYP
    name=`basename $file .exe | cut -c 5-`
    img=maps/velo-$name.img
else 
    typ=thin*.TYP
    name=`basename $file .exe | cut -c 4-`
    img=maps/mtb-$name.img
fi

if [ -f $img ]; then
    echo "Already existing, skipping..."
    exit 0
fi

prepare $file

if [ ! -f work/$typ ]; then
    echo "Type file is not found, failing out..."
    exit 1
fi

id=`ls work/6*.img | head -n 1 | cut -c 6-9`
if [ $? -ne 0 ]; then
    echo "No image files in $file, failing out..."
    exit 1
fi

date=`date +%d.%m.%Y`
(
    cd work

#    java  -Xmx2048M -jar /usr/share/mkgmap/lib/mkgmap.jar \

    if [ -f velo*.TYP ]; then
	mkgmap \
	    --route --index  --unicode \
	    --family-id=$id --family-name=velo-$name --series-name=velo-$name --area-name=$name --country-name="$name" --region-name="$name" --description="$name [velo $date]" \
	    --gmapsupp 6*.img $typ 
    else
	mkgmap \
	    --route --index  --unicode \
	    --family-id=$id --family-name=$name --series-name=$name --area-name=$name --country-name="$name" --region-name="$name" --description="$name [mtb $date]" \
	    --gmapsupp 6*.img $typ 
    fi
)

exit_code=$?
if [ $exit_code -ne 0 ]; then
    echo "mkgmap failed with code $exit_code, failing out..."
    exit $exit_code
fi

if [ ! -f work/gmapsupp.img ]; then
    echo "mkgmap failed to produce Garmin image, failing out..."
    exit 1
fi

mv work/gmapsupp.img $img

echo "====> $img done"

clean