bump-version

function print_help_and_quit {
    echo "Usage: $0 --update <new_version> [<AssemblyInfo file path>]"
    echo "Usage: $0 --list [<AssemblyInfo file path>]"
    exit -1
}

if [ $# -eq 0 ]
then
    print_help_and_quit
fi

while [[ $# > 0 ]]
do
    key="$1"

    case $key in
        --list)
        COMMAND="list"
        FILE_PATH=$2
        shift;
        ;;

        --update)
        COMMAND="update"
        NEW_VERSION=$2
        FILE_PATH=$3

        ;;
    esac

    shift # past argument or value
done

LIST_CMD='grep -E "\[assembly: AssemblyVersion(".*")\]" $FILE_PATH'
VERSION_REGEX1='\[assembly: AssemblyVersion\("(.*)"\)\]'
VERSION_REGEX2='\[assembly: AssemblyFileVersion\("(.*)"\)\]'

if [ -z "$COMMAND" ]
then
    print_help_and_quit
fi

# set a default value for FILE_PATH if none passed as argument

case $COMMAND in
    list)
        if [ -z "$FILE_PATH" ]
        then
            FILE_PATH="./src/IniFileParser/Properties/AssemblyInfo.cs"
        fi
        
        eval $LIST_CMD
    ;;

    update)

        if [ -z "$NEW_VERSION" ] && [ -z "$FILE_PATH" ] 
        then 
            print_help_and_quit
        fi

        if [ -z "$FILE_PATH" ]
        then
            FILE_PATH="./src/IniFileParser/Properties/AssemblyInfo.cs"
        fi

        NEW_VERSION_REPLACE1='\[assembly: AssemblyVersion\("'$NEW_VERSION'"\)\]'
        NEW_VERSION_REPLACE2='\[assembly: AssemblyFileVersion\("'$NEW_VERSION'"\)\]'

        echo "Changing file $FILE_PATH to version $NEW_VERSION"

        printf "Old value: "
        eval $LIST_CMD 

        eval "sed -r --in-place 's/$VERSION_REGEX1/$NEW_VERSION_REPLACE1/g;' $FILE_PATH"
        eval "sed -r --in-place 's/$VERSION_REGEX2/$NEW_VERSION_REPLACE2/g;' $FILE_PATH"

        printf "New value: "
        eval $LIST_CMD
    ;;
esac

exit 0