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#include "handlers.hpp"
#include <algorithm>
#include <exception>
#include <memory>
#include <optional>
#include <random>
#include <regex>
#include <string>
#include <vector>
#include "bundle.hpp"
#include "commands/command.hpp"
#include "commands/request.hpp"
#include "commands/response.hpp"
#include "commands/response_error.hpp"
#include "constants.hpp"
#include "cpr/api.h"
#include "cpr/multipart.h"
#include "cpr/response.h"
#include "database.hpp"
#include "irc/message.hpp"
#include "localization/line_id.hpp"
#include "logger.hpp"
#include "nlohmann/json.hpp"
#include "schemas/channel.hpp"
#include "utils/string.hpp"
namespace bot::handlers {
std::optional<command::Response> run_command(
const InstanceBundle &bundle, command::CommandLoader &command_loader,
const irc::Message<irc::MessageType::Privmsg> &message,
const command::Requester &requester,
std::unique_ptr<db::BaseDatabase> &conn) {
std::optional<command::Request> request =
command::generate_request(command_loader, message, requester, conn);
if (request.has_value()) {
try {
auto response = command_loader.run(bundle, request.value());
return response;
} catch (const std::exception &e) {
bundle.irc_client.say(message.source.login, e.what());
log::error("PrivMsg/" + request->command_id, e.what());
}
}
return std::nullopt;
}
std::optional<std::string> handle_custom_commands(
const InstanceBundle &bundle, command::CommandLoader &command_loader,
std::unique_ptr<db::BaseDatabase> &conn,
const command::Requester &requester,
const irc::Message<irc::MessageType::Privmsg> &message) {
std::vector<std::string> parts =
utils::string::split_text(message.message, ' ');
if (parts.empty()) {
return std::nullopt;
}
std::string cid = parts[0];
std::string cid_without_prefix =
"{prefix}" +
cid.substr(requester.channel_preferences.get_prefix().size(),
cid.size());
db::DatabaseRows cmds = conn->exec(
"SELECT name, message FROM custom_commands WHERE (name = $1 OR name "
"LIKE $2) "
"AND (channel_id "
"= $3 OR is_global = TRUE)",
{cid, cid_without_prefix, std::to_string(requester.channel.get_id())});
if (cmds.empty()) {
return std::nullopt;
}
db::DatabaseRow cmd = cmds[0];
std::string cmd_name = cmd.at("name");
if (cmd_name.length() > 8 && cmd_name.substr(0, 8) == "{prefix}" &&
cid.substr(0, requester.channel_preferences.get_prefix().size()) !=
requester.channel_preferences.get_prefix()) {
return std::nullopt;
}
parts.erase(parts.begin());
std::string initial_message = utils::string::join_vector(parts, ' ');
std::string msg = cmd.at("message");
// parsing values
std::regex pattern(R"(\{([^}]*)\})");
std::string output;
std::sregex_iterator iter(msg.begin(), msg.end(), pattern);
std::sregex_iterator end;
int last_pos = 0;
for (; iter != end; ++iter) {
auto m = *iter;
output += msg.substr(last_pos, m.position() - last_pos);
std::string inside = m[1].str();
int placeholder_pos = inside.find("$1");
if (placeholder_pos != std::string::npos) {
inside.replace(placeholder_pos, 3, initial_message);
}
irc::Message<irc::MessageType::Privmsg> msg2 = message;
msg2.message = requester.channel_preferences.get_prefix() + inside;
std::optional<command::Response> response =
run_command(bundle, command_loader, msg2, requester, conn);
std::string answer = inside;
if (response.has_value()) {
if (response->is_single()) {
answer = response->get_single();
} else if (response->is_multiple()) {
answer = "[multiple strings]";
}
}
output += answer;
last_pos = m.position() + m.length();
}
output += msg.substr(last_pos);
return output;
}
void handle_private_message(
const InstanceBundle &bundle, command::CommandLoader &command_loader,
const irc::Message<irc::MessageType::Privmsg> &message) {
std::unique_ptr<db::BaseDatabase> conn =
db::create_connection(bundle.configuration);
std::optional<command::Requester> requester =
command::get_requester(message, conn, bundle.configuration);
if (!requester.has_value()) {
return;
}
std::optional<command::Response> response =
run_command(bundle, command_loader, message, *requester, conn);
if (response.has_value()) {
if (response->is_single()) {
bundle.irc_client.say(message.source.login, response->get_single());
} else if (response->is_multiple()) {
for (const std::string &msg : response->get_multiple()) {
bundle.irc_client.say(message.source.login, msg);
}
}
return;
}
std::optional<std::string> custom_command_response = handle_custom_commands(
bundle, command_loader, conn, *requester, message);
if (custom_command_response.has_value()) {
bundle.irc_client.say(message.source.login, *custom_command_response);
return;
}
conn->close();
}
void make_markov_response(
const InstanceBundle &bundle,
const irc::Message<irc::MessageType::Privmsg> &message,
const schemas::Channel &channel,
const schemas::ChannelPreferences &preference) {
bool are_markov_responses_enabled =
std::any_of(preference.get_features().begin(),
preference.get_features().end(), [](const int &x) {
return (schemas::ChannelFeature)x ==
schemas::ChannelFeature::MARKOV_RESPONSES;
});
if (!are_markov_responses_enabled) return;
bool are_random_markov_responses_enabled =
std::any_of(preference.get_features().begin(),
preference.get_features().end(), [](const int &x) {
return (schemas::ChannelFeature)x ==
schemas::ChannelFeature::RANDOM_MARKOV_RESPONSES;
});
std::string prefix = "@" + bundle.irc_client.get_bot_username() + ",";
bool intended_call = message.message.substr(0, prefix.length()) == prefix;
int random = -1;
std::string question;
if (are_random_markov_responses_enabled && !intended_call) {
std::random_device dev;
std::mt19937 rng(dev());
std::uniform_int_distribution<std::mt19937::result_type> dist(0, 100);
random = dist(rng);
if (random > MARKOV_RESPONSE_CHANCE) return;
question = message.message;
} else {
question =
message.message.substr(prefix.length(), message.message.length());
}
if (random == -1 && !intended_call) return;
cpr::Response response =
cpr::Post(cpr::Url{"https://markov.ilotterytea.kz/api/v1/generate"},
cpr::Multipart{{"question", question}, {"max_length", 200}});
if (response.status_code != 200) return;
nlohmann::json j = nlohmann::json::parse(response.text);
std::string answer;
auto answer_field = j["data"]["answer"];
if (answer_field.is_null())
answer = "...";
else
answer = answer_field;
bundle.irc_client.say(message.source.login,
message.sender.login + ": " + answer);
}
}
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