#!/usr/bin/env ruby

# -------------------------------------------------------------------------- #
# Copyright 2002-2015, OpenNebula Project (OpenNebula.org), C12G Labs        #
#                                                                            #
# Licensed under the Apache License, Version 2.0 (the "License"); you may    #
# not use this file except in compliance with the License. You may obtain    #
# a copy of the License at                                                   #
#                                                                            #
# http://www.apache.org/licenses/LICENSE-2.0                                 #
#                                                                            #
# Unless required by applicable law or agreed to in writing, software        #
# distributed under the License is distributed on an "AS IS" BASIS,          #
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
# See the License for the specific language governing permissions and        #
# limitations under the License.                                             #
#--------------------------------------------------------------------------- #

ONE_LOCATION=ENV["ONE_LOCATION"]

if !ONE_LOCATION
    RUBY_LIB_LOCATION="/usr/lib/one/ruby"
else
    RUBY_LIB_LOCATION=ONE_LOCATION+"/lib/ruby"
end

$: << RUBY_LIB_LOCATION
$: << RUBY_LIB_LOCATION+"/cli"

require 'command_parser'
require 'one_helper/oneacl_helper'

cmd = CommandParser::CmdParser.new(ARGV) do
    usage "`oneacl` <command> [<args>] [<options>]"
    version OpenNebulaHelper::ONE_VERSION
    
    helper = OneAclHelper.new

    before_proc do
        helper.set_client(options)
    end

    ########################################################################
    # Global Options
    ########################################################################
    set :option, CommandParser::OPTIONS+OpenNebulaHelper::CLIENT_OPTIONS

    ########################################################################
    # Formatters for arguments
    ########################################################################
    set :format, :aclid_list, OneAclHelper.list_to_id_desc do |arg|
        helper.list_to_id(arg)
    end

    ########################################################################
    # Commands
    ########################################################################

    addrule_desc = <<-EOT.unindent
        Adds a new ACL rule
    EOT

    command :create, addrule_desc, [:user,:rulestr], [:resource, nil],
            [:rights, nil] do
        case args.length
        when 1
            new_args = Acl.parse_rule(args[0])

            if OpenNebula.is_error?(new_args)
                next -1, new_args.message
            end
        when 3, 4
            new_args=args
        else
            next -1, "Wrong number of arguments, must be 1 or 4"
        end

        helper.create_resource(options) do |rule|
            rule.allocate(*new_args)
        end
    end

    delrule_desc = <<-EOT.unindent
        Deletes an existing ACL rule
    EOT

    command :delete, delrule_desc, [:range] do
        helper.perform_actions(args[0],options,"deleted") do |obj|
            obj.delete
        end
    end

    list_desc = <<-EOT.unindent
        Lists the ACL rule set
    EOT

    command :list, list_desc,:options=>[OpenNebulaHelper::XML,
            OpenNebulaHelper::DESCRIBE] do
        helper.list_pool( options )
    end
end
