def formatted_item_listing(item):
    return "{} {} for {}D".format(item["amount"], item["item_name"], item["price"])


def formatted_location(location):
    if location["tunnel"] is not None:
        tunnel = "**{}** ".format(location["tunnel"])
    else:
        tunnel = ""

    return '**{}** @ **{}** {}Owner(s): **{}**'.format(location["name"], formatted_position(location), tunnel,
                                                  formatted_owners(location))


def formatted_tunnel(tunnel):
    return '**{} {}**: {}'.format(tunnel["tunnel_direction"], tunnel["tunnel_number"], tunnel["location_name"])


def formatted_position(location):
    return '(x={}, z={})'.format(location["x_coord"], location["z_coord"])


def formatted_shop(shop):
    inventory = ""
    for item in shop["items"]:
        inventory = inventory + "\n" + (formatted_item_listing(item))

    return formatted_location(shop) + inventory


def formatted_owners(location):
    owner_list = ''
    if "owner" in location:

        if len(location["owner"]) == 0:
            owner_list = location["owner"][0]["name"]
        else:
            owner_list = location["owner"][0]["name"]
            for owner in location["owner"][1:]:
                owner_list += ", " + owner["name"]

    return owner_list