%% -*- erlang -*-
% 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.

%
% Blacklist some bad releases.
%
{ok, Version} = file:read_file(filename:join(
    [code:root_dir(), "releases", erlang:system_info(otp_release), "OTP_VERSION"]
)).

% Version may be binary if file has /n at end :(
% there is no string:trim/1 in Erlang 19 :(
VerString = case Version of
    V when is_binary(V) -> string:strip(binary_to_list(V), right, $\n);
    _ -> string:strip(Version, right, $\n)
end.
VerList = lists:map(fun(X) -> {Int, _} = string:to_integer(X), Int end,
    string:tokens(VerString, ".")).

DisplayMsg = fun(Msg, Args) ->
    Base = iolist_to_binary(io_lib:format(Msg, Args)),
    Lines = binary:split(Base, <<"\n">>, [global]),
    MaxLen = lists:foldl(fun(Line, Acc) ->
        max(Acc, size(Line))
    end, 0, Lines),
    Decoration = iolist_to_binary(["*" || _ <- lists:seq(1, MaxLen)]),
    ReNewLined = [[L, "~n"] || L <- Lines],
    NewLines = ["~n", Decoration, "~n", ReNewLined, Decoration, "~n~n"],
    MsgBin = iolist_to_binary(NewLines),
    io:format(binary_to_list(MsgBin), [])
end.

ErlangTooOld = fun(Ver) ->
    DisplayMsg(
        "This version of Erlang (~p) is too old for use with Apache CouchDB.~n~n"
        "See https://docs.couchdb.org/en/stable/install/unix.html#dependencies~n"
        "for the latest information on dependencies.",
        [Ver]
    ),
    halt(1)
end.

NotSupported = fun(Ver) ->
    DisplayMsg(
        "This version of Erlang (~p) is not officially supported by Apache~n"
        "CouchDB. While we do not officially support this version, there~n"
        "are also no known bugs or incompatibilities.~n~n"
        "See https://docs.couchdb.org/en/stable/install/unix.html#dependencies~n"
        "for the latest information on dependencies.",
        [Ver]
    )
end.

BadErlang = fun(Ver) ->
    DisplayMsg(
        "This version of Erlang (~p) is known to contain bugs that directly~n"
        "affect the correctness of Apache CouchDB.~n~n"
        "You should *NOT* use this version of Erlang.~n~n"
        "See https://docs.couchdb.org/en/stable/install/unix.html#dependencies~n"
        "for the latest information on dependencies.",
        [Ver]
    ),
    case os:getenv("TRAVIS") of
        "true" ->
            io:fwrite("Travis run, ignoring bad release. You have been warned!~n"),
            ok;
        _ ->
            halt(1)
    end
end.

case VerList of
    % Leave example around if we have to exlude specific versions
    % [22, 0, N | _] when N < 5 -> BadErlang(VerString);
    _ -> ok
end.

% Set the path to the configuration environment generated
% by `./configure`.

COUCHDB_ROOT = filename:dirname(SCRIPT).
os:putenv("COUCHDB_ROOT", COUCHDB_ROOT).

ConfigureEnv = filename:join(COUCHDB_ROOT, "config.erl").
os:putenv("COUCHDB_CONFIG", ConfigureEnv).

CouchConfig = case filelib:is_file(ConfigureEnv) of
    true ->
        {ok, Result} = file:consult(ConfigureEnv),
        Result;
    false ->
        []
end.

os:putenv("COUCHDB_APPS_CONFIG_DIR", filename:join([COUCHDB_ROOT, "rel/apps"])).


WithProper = lists:keyfind(with_proper, 1, CouchConfig) == {with_proper, true}.

OptionalDeps = case WithProper of
    true ->
        [{proper, {url, "https://github.com/proper-testing/proper"}, {tag, "v1.4"}}];
    false ->
        []
end.

AddConfig = [
    {require_otp_vsn, "23|24|25"},
    {deps_error_on_conflict, true},
    {deps, [
        {proper, {git, "https://github.com/proper-testing/proper", {ref, "cfc29e7615ec0a93ac0be619d33609c2139b57fd"}}},
        {config, {git, "https://github.com/jiahuili430/couchdb-config.git", {ref,"0571481ed314c77a6e7e44ec904afa0109860591"}}},
        {bear, {git, "https://github.com/jiahuili430/couchdb-bear.git", {ref,"da1e52678d628b394d4bf241ccbe410ab90fd1e3"}}},
        {b64url, {git, "https://github.com/apache/couchdb-b64url.git", {ref, "ef4fca0c8d18b963412fc16f5848e95944977927"}}},
        {ets_lru, {git, "https://github.com/apache/couchdb-ets-lru.git", {ref, "f1ca157d6f96c9edf343e280709085f9eed1e716"}}},
        {ibrowse, {git, "https://github.com/apache/couchdb-ibrowse.git", {ref, "a62d4a6d236729e5869842c70447ad46b3409912"}}},
        {jiffy, {git, "https://github.com/apache/couchdb-jiffy.git", {ref, "9ea1b35b6e60ba21dfd4adbd18e7916a831fd7d4"}}},
        {mochiweb, {git, "https://github.com/apache/couchdb-mochiweb.git", {ref, "845803a5defa693c546ea7250818f226a52d2891"}}},
        {meck, {git, "https://github.com/apache/couchdb-meck.git", {ref, "cc47aab4b64a46a5409c1a93353d44a367b41454"}}},
        {recon, {git, "https://github.com/apache/couchdb-recon", {ref, "34194da6d9f8ed25f274e0ebb098dc9e95bcf547"}}},
        {khash, {git, "https://github.com/jiahuili430/couchdb-khash", {ref, "4a0e07f7a2870a543510db355d6c2e9c3c1d84b1"}}},
        {snappy, {git, "https://github.com/jiahuili430/couchdb-snappy.git", {ref, "536286ada94a3aeee6042d047f3a9c369a5f1475"}}},
        {folsom, {git, "https://github.com/jiahuili430/couchdb-folsom.git", {ref, "87f778c1efb11e9caebba328a2cba05453db668c"}}},
        {hyper, {git, "https://github.com/jiahuili430/couchdb-hyper.git", {ref, "69fa387bc9cd67dbe2f4649b4ebd2239e879f239"}}}
    ]},
    {plugins, [ic, erlfmt, rebar3_path_deps]},
    {erlfmt, [write]},
    {erl_opts, [
        {i, "../"},
        {i, "src/couch_tests/include"},
        {i, "src/mochiweb/include"},
        {i, "src/rexi/include"},
        {i, "src/proper/include"},
        {i, "src/folsom/include"},
        {i, "src/mem3/include"},
        {i, "src/couch_mrview/include"},
        {i, "src/couch/include"},
        {i, "src/couch_replicator/include"},
        {i, "src/meck/test/include"},
        {i, "src/couch_log/include"},
        {i, "src/dreyfus/include"},
        {i, "src/chttpd/include"},
        {i, "src/ibrowse/include"},
        {i, "src/fabric/include"},
        {d, 'COUCHDB_ERLANG_VERSION', VerString}
    ]},
    {eunit_opts, [
        verbose,
        {report, {eunit_progress, [colored, profile]}},
        {report, {eunit_surefire, [{dir, "_build/test"}]}}
    ]},
    {project_app_dirs, ["src/*"]},
    {eunit_tests, [
        %{application, b64url},
        {application, chttpd},
        %{application, config},
        {application, couch_dist},
        {application, couch_event},
        {application, couch_index},
        {application, couch_log},
        {application, couch_mrview},
        {application, couch_peruser},
        {application, couch_plugins},
        {application, couch_prometheus},
        {application, couch_pse_tests},
        {application, couch_replicator},
        {application, couch_stats},
        {application, couch_tests},
        {application, couch},
        {application, custodian},
        {application, ddoc_cache},
        {application, dreyfus},
        %{application, ets_lru},
        {application, fabric},
        {application, global_changes},
        {application, ioq},
        %{application, jiffy},
        {application, jwtf},
        {application, ken},
        %{application, khash},
        {application, mango},
        {application, mem3},
        %{application, recon},
        {application, rexi},
        {application, setup},
        {application, smoosh},
        {application, weatherreport},
        {application, couch_epi}
    ]},
    {profiles, [{test, [
        {extra_src_dirs, [{"test", [{recursive, true}]}]},
        {deps, [
            % {b64url, {git, "https://github.com/apache/couchdb-b64url.git", {ref, "ef4fca0c8d18b963412fc16f5848e95944977927"}}},
            % {ets_lru, {git, "https://github.com/apache/couchdb-ets-lru.git", {ref, "f1ca157d6f96c9edf343e280709085f9eed1e716"}}},
            % {jiffy, {git, "https://github.com/apache/couchdb-jiffy.git", {ref, "9ea1b35b6e60ba21dfd4adbd18e7916a831fd7d4"}}},
            % {config, {git, "https://github.com/jiahuili430/couchdb-config.git", {ref,"0571481ed314c77a6e7e44ec904afa0109860591"}}},
            % {khash, {git, "https://github.com/jiahuili430/couchdb-khash", {ref, "ee87ab0c6bedf0b2b859a867afe5a4ce0ef422a2"}}}
        ]}
    ]}]},
    {dialyzer, [
        {plt_location, local},
        {plt_location, COUCHDB_ROOT},
        {plt_extra_apps, [
            asn1, compiler, crypto, inets, kernel, runtime_tools,
            sasl, setup, ssl, stdlib, syntax_tools, xmerl]},
        {warnings, [unmatched_returns, error_handling, race_conditions]}]},
    {post_hooks, [{compile, "escript support/build_js.escript"}]},
    {relx, [
        {release, {couchdb, "3.2.2"}, [
            %% stdlib
            asn1,
            compiler,
            crypto,
            inets,
            runtime_tools,
            sasl,
            ssl,
            syntax_tools,
            xmerl,

            %% couchdb
            b64url,
            bear,
            chttpd,
            config,
            couch,
            couch_epi,
            couch_index,
            couch_log,
            couch_mrview,
            couch_plugins,
            couch_replicator,
            couch_stats,
            couch_tests,
            couch_event,
            couch_peruser,
            couch_dist,
            custodian,
            ddoc_cache,
            dreyfus,
            ets_lru,
            fabric,
            folsom,
            global_changes,
            hyper,
            ibrowse,
            ioq,
            jiffy,
            jwtf,
            ken,
            khash,
            mango,
            mem3,
            mochiweb,
            rexi,
            setup,
            smoosh,
            snappy,
            weatherreport,
            couch_prometheus,

            %% extra
            recon,
            triq
        ]},

        {mode, prod},
        {overlay_vars, "rel/couchdb.config"},
        {sys_config, "rel/files/sys.config"},
        {vm_args, "rel/files/vm.args"},

        {overlay, [
            {copy, "LICENSE", "LICENSE"},
            {mkdir, "var/log"},
            {copy, "rel/overlay/bin", "bin"},
            {copy, "rel/overlay/etc", "etc"},
            {copy, "bin/couchjs", "bin/couchjs"},
            {copy, "share/server/main.js", "share/server/main.js"},
            {copy, "share/server/main-coffee.js", "share/server/main-coffee.js"},
            {copy, "bin/weatherreport", "bin/weatherreport"},
            {template, "rel/overlay/etc/default.ini", "etc/default.ini"},
            {template, "rel/overlay/etc/vm.args", "etc/vm.args"},
            {template, "rel/files/couchdb.in", "bin/couchdb"},
            {template, "rel/files/couchdb.cmd.in", "bin/couchdb.cmd"}
        ]}
    ]}
].

lists:foldl(fun({K, V}, CfgAcc) ->
    case lists:keyfind(K, 1, CfgAcc) of
        {K, Existent} when is_list(Existent) andalso is_list(V) ->
            lists:keystore(K, 1, CfgAcc, {K, Existent ++ V});
        false ->
            lists:keystore(K, 1, CfgAcc, {K, V})
    end
end, CONFIG, AddConfig).