%%%-------------------------------------------------------------------
%%% @author Evgeniy Khramtsov <ekhramtsov@process-one.net>
%%% @copyright (C) 2013, Evgeniy Khramtsov
%%% @doc
%%%
%%% @end
%%% Created :  1 May 2013 by Evgeniy Khramtsov <ekhramtsov@process-one.net>
%%%-------------------------------------------------------------------
Cfg = case file:consult("vars.config") of
          {ok, Terms} ->
              Terms;
          _Err ->
              []
      end,

Macros = lists:flatmap(
           fun({roster_gateway_workaround, true}) ->
                   [{d, 'ROSTER_GATEWAY_WORKAROUND'}];
              ({flash_hack, true}) ->
                   [{d, 'ENABLE_FLASH_HACK'}];
              ({transient_supervisors, true}) ->
                   [{d, 'NO_TRANSIENT_SUPERVISORS'}];
              ({nif, true}) ->
                   [{d, 'NIF'}];
              ({db_type, mssql}) ->
                   [{d, 'mssql'}];
              (_) ->
                   []
           end, Cfg),

DebugInfo = case lists:keysearch(debug, 1, Cfg) of
                {value, {debug, true}} ->
                    [debug_info];
                _ ->
                    []
            end,

HiPE = case lists:keysearch(hipe, 1, Cfg) of
           {value, {hipe, true}} ->
               [native];
           _ ->
               []
       end,

Includes = [{i, "include"},
            {i, filename:join(["deps", "logger", "include"])},
            {i, filename:join(["deps", "xml", "include"])}],

SrcDirs = lists:foldl(
            fun({pubsub_ng, true}, Acc) ->
                    [mod_pubsub_ng|Acc];
               (_, Acc) ->
                    Acc
            end, [], Cfg),

Deps = [{logger, ".*", {git, "git://github.com/processone/p1_logger"}},
        {cache_tab, ".*", {git, "git://github.com/processone/cache_tab"}},
        {tls, ".*", {git, "git://github.com/processone/tls"}},
        {stringprep, ".*", {git, "git://github.com/processone/stringprep"}},
        {xml, ".*", {git, "git://github.com/processone/xml"}},
        {xmlrpc, ".*", {git, "git://github.com/rds13/xmlrpc"}}],

ConfigureCmd = fun(Pkg, Flags) ->
                       {'get-deps',
                        "sh -c 'cd deps/" ++ Pkg ++
                            " && ./configure" ++ Flags ++ "'"}
               end,

XMLFlags = lists:foldl(
             fun({nif, true}, Acc) ->
                     Acc ++ " --enable-nif";
                ({full_xml, true}, Acc) ->
                     Acc ++ " --enable-full-xml";
                (_, Acc) ->
                     Acc
             end, "", Cfg),

PostHooks = [ConfigureCmd("tls", ""),
             ConfigureCmd("stringprep", ""),
             ConfigureCmd("xml", XMLFlags)],

CfgDeps = lists:flatmap(
            fun({mysql, true}) ->
                    [{mysql, ".*", {git, "git://github.com/processone/mysql"}}];
               ({pgsql, true}) ->
                    [{pgsql, ".*", {git, "git://github.com/processone/pgsql"}}];
               ({pam, true}) ->
                    [{epam, ".*", {git, "git://github.com/processone/epam"}}];
               ({zlib, true}) ->
                    [{ezlib, ".*", {git, "git://github.com/processone/zlib"}}];
               ({stun, true}) ->
                    [{stun, ".*", {git, "git://github.com/processone/stun"}}];
               ({riak, true}) ->
                    [{riakc, ".*", {git, "git://github.com/basho/riak-erlang-client"}}];
               ({json, true}) ->
                    [{jiffy, ".*", {git, "git://github.com/davisp/jiffy"}}];
               ({iconv, true}) ->
                    [{iconv, ".*", {git, "git://github.com/processone/eiconv"}}];
               ({http, true}) ->
                    [{ibrowse, ".*", {git, "git://github.com/cmullaparthi/ibrowse"}},
                     {lhttpc, ".*", {git, "git://github.com/esl/lhttpc"}}];
               (_) ->
                    []
            end, Cfg),

CfgPostHooks = lists:flatmap(
                 fun({pam, true}) ->
                         [ConfigureCmd("epam", "")];
                    ({zlib, true}) ->
                         [ConfigureCmd("ezlib", "")];
                    ({iconv, true}) ->
                         [ConfigureCmd("iconv", "")];
                    (_) ->
                         []
                 end, Cfg),

Config = [{erl_opts, Includes ++ Macros ++ HiPE ++ DebugInfo},
          {src_dirs, [asn1, src | SrcDirs]},
          {sub_dirs, ["rel"]},
          {post_hooks, PostHooks ++ CfgPostHooks},
          {deps, Deps ++ CfgDeps}],
%%io:format("ejabberd configuration:~n  ~p~n", [Config]),
Config.

%% Local Variables:
%% mode: erlang
%% End:
%% vim: set filetype=erlang tabstop=8: