% This file is part of Jiffy released under the MIT license.
% See the LICENSE file for more information.
%

% Only run the EQC checks when EQC is present.
%
% We have a helper tests/install_eqc_mini.sh script to install it ./eqc, so we
% look for it there first, and add that to the code path. Users may have also
% installed it directly into their OTP distribution, which should be fine,
% code:which(eqc) should find that as well.
%
LocalEQC = filename:join([filename:dirname(SCRIPT), "eqc", "ebin"]),
case filelib:is_dir(LocalEQC) of
    true -> code:add_patha(LocalEQC);
    false -> ok
end,
HaveEQC = code:which(eqc) =/= non_existing,
ErlOpts = if not HaveEQC -> []; true ->
    [{d, 'HAVE_EQC'}]
end,

Config1 = case lists:keyfind(erl_opts, 1, CONFIG) of
    {erl_opts, Opts} ->
        NewOpts = {erl_opts, Opts ++ ErlOpts},
        lists:keyreplace(erl_opts, 1, CONFIG, NewOpts);
    false ->
        CONFIG ++ [{erl_opts, ErlOpts}]
end,

IsRebar2 = case lists:keyfind(rebar, 1, application:loaded_applications()) of
    {rebar, _Desc, Vsn} ->
        case string:split(Vsn, ".") of
            ["2" | _] -> true;
            _ -> false
        end;
    false ->
        false
end,

case IsRebar2 of
    true ->
        Config1;
    false ->
        Config1 ++ [
            {plugins, [{pc, "~> 1.15"}]},
            case os:type() of
                {win32, _} -> {artifacts, ["priv/jiffy.dll"]};
                {_, _} -> {artifacts, ["priv/jiffy.so"]}
            end,
            {provider_hooks, [
                {post, [
                    {compile, {pc, compile}},
                    {clean, {pc, clean}}
                ]}
            ]}
        ]
end.