#!/usr/bin/env bash

# klevstul :: 26.04

rcloneHelper() {

    operation=$1
    remote=$2

    if [[ ${operation} == "list" ]] ; then

        rclone listremotes --long

    elif [[ -n ${operation} ]] && [[ -n ${remote} ]] ; then

        # check if given remote exist
        if ! rclone listremotes | grep -xq ${remote}:; then
            echo "'${remote}' is an unknown rclone remote."
            exit 1
        fi

        mnt_dir=/mnt/rclone/${remote}
        if ! [[ -d ${mnt_dir} ]]; then
            echo "creating non-existing mount dir '${mnt_dir}'."
            sudo mkdir -p ${mnt_dir}
            sudo chown ${USER}:${USER} ${mnt_dir}
        elif [[ ! -d ${mnt_dir} ]] ; then
            echo "'${mnt_dir}' exist, but is not a directory" 1>&2
        fi

        if [[ ${operation} == "umount" ]] || [[ ${operation} == "unmount" ]] ; then
            echo "umount ${mnt_dir}"
            sudo umount -l ${mnt_dir}
        elif [[ ${operation} == "mount" ]] ; then
            echo "mount ${mnt_dir}"
            rclone mount --vfs-cache-mode full --vfs-cache-max-size 100G --vfs-read-chunk-size 128M --transfers 32 --checkers 16 --tpslimit 12 pcloud: ${mnt_dir} &
        else
            echo "unknown command...'"
        fi
    else
        echo "sry, bud! try: 'gitRepos {mount,umount} {remote}'"
    fi

}

this_file_name=`basename "$0"`
if [ $# -lt 1 ]; then
    echo "error: operation {mount|umount|list} {remote?} is missing."
    echo "usage: '$this_file_name {input_1} {input_2}'"
    exit 1
fi

rcloneHelper $1 $2