#!/bin/bash
#
## Mount NAS backup shares

die () {
    echo "$0:" "$@" >&2
    exit 1
}

# Load settings
if [[ -f "/run/archiso/bootmnt/arch/arch.conf" ]]; then
    source "/run/archiso/bootmnt/arch/arch.conf" || \
    die "ERROR: failed to load arch.conf (from /run/archiso/bootmnt/arch/)"
else
    source "/usr/local/bin/arch.conf" || \
    die "ERROR: failed to load arch.conf (from /usr/local/bin/)"
fi

# Connect to a network
connect-to-network

# Mount loop
echo "Mounting NAS backup shares"
for x in {1..4}; do
    _skip="False"
    
    # Load Backup share info
    eval "declare -a _backup=(\${BACKUP_$x[@]})"
    _name="${_backup[0]}"
    _ip="${_backup[1]}"
    _share="${_backup[2]}"
    _user="${_backup[3]}"
    _pass="${_backup[4]}"

    # Check backup share info
    if echo "$_name" | grep -Eq '^\s*$'; then
        _skip="True";
    fi
    if echo "$_ip" | grep -Eq '^\s*$'; then
        _skip="True";
    fi
    if echo "$_share" | grep -Eq '^\s*$'; then
        _skip="True";
    fi
    if echo "$_user" | grep -Eq '^\s*$'; then
        _skip="True";
    fi
    if echo "$_pass" | grep -Eq '^\s*$'; then
        _skip="True";
    fi

    # Mount
    if [[ "$_skip" == "False" ]]; then
        sudo mkdir "/Backups/$_name" -p
        if mountpoint -q "/Backups/$_name"; then
            echo "$_name: (Already) mounted at /Backups/$_name ($(df -h "/Backups/$_name" | tail -1 | awk '{print $4}' | sed -r 's/([KMGT])/ \1b/') free)"
        else
            if sudo mount "//$_ip/$_share" "/Backups/$_name" -o username=$_user,password=$_pass 2>/dev/null; then
                echo "$_name: Mounted at /Backups/$_name ($(df -h "/Backups/$_name" | tail -1 | awk '{print $4}' | sed -r 's/([KMGT])/ \1b/') free)"
            else
                rmdir "/Backups/$_name" -p 2>/dev/null
                echo "$_name: Failed to mount"
            fi
        fi
    fi
done