% 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.

-module(couch_primary_sup).
-behaviour(supervisor).
-export([init/1, start_link/0]).

start_link() ->
    supervisor:start_link({local,couch_primary_services}, ?MODULE, []).

init([]) ->
    Children = [
        {collation_driver,
            {couch_drv, start_link, []},
            permanent,
            infinity,
            supervisor,
            [couch_drv]},
        {couch_task_status,
            {couch_task_status, start_link, []},
            permanent,
            brutal_kill,
            worker,
            [couch_task_status]}
    ] ++ couch_servers(),
    {ok, {{one_for_one, 10, 3600}, Children}}.


couch_servers() ->
    N = couch_server:num_servers(),
    [couch_server(I) || I <- lists:seq(1, N)].

couch_server(N) ->
    Name = couch_server:couch_server(N),
    {Name,
        {couch_server, sup_start_link, [N]},
        permanent,
        brutal_kill,
        worker,
        [couch_server]
    }.