--- a/irccdctl/cli.cpp	Fri Aug 03 20:09:00 2018 +0200
+++ b/irccdctl/cli.cpp	Sun Aug 05 11:47:00 2018 +0200
@@ -16,17 +16,212 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include <iostream>
+
 #include <irccd/json_util.hpp>
 #include <irccd/options.hpp>
 #include <irccd/string_util.hpp>
 
 #include <irccd/ctl/controller.hpp>
 
+#include <irccd/daemon/service/rule_service.hpp>
+
 #include "cli.hpp"
 
-namespace irccd {
+namespace irccd::ctl {
+
+// {{{ helpers
+
+namespace {
+
+auto format(std::vector<std::string> args) -> std::string
+{
+    auto result = option::read(args, {
+        { "-f",         true },
+        { "--format",   true }
+    });
+
+    if (result.count("-f") > 0)
+        return result.find("-f")->second;
+    if (result.count("--format") > 0)
+        return result.find("--format")->second;
+
+    return "native";
+}
+
+void onConnect(const nlohmann::json &v)
+{
+    std::cout << "event:       onConnect\n";
+    std::cout << "server:      " << json_util::pretty(v.value("server", "(unknown)")) << "\n";
+}
+
+void onInvite(const nlohmann::json &v)
+{
+    std::cout << "event:       onInvite\n";
+    std::cout << "server:      " << json_util::pretty(v.value("server", "(unknown)")) << "\n";
+    std::cout << "origin:      " << json_util::pretty(v.value("origin", "(unknown)")) << "\n";
+    std::cout << "channel:     " << json_util::pretty(v.value("channel", "(unknown)")) << "\n";
+}
+
+void onJoin(const nlohmann::json &v)
+{
+    std::cout << "event:       onJoin\n";
+    std::cout << "server:      " << json_util::pretty(v.value("server", "(unknown)")) << "\n";
+    std::cout << "origin:      " << json_util::pretty(v.value("origin", "(unknown)")) << "\n";
+    std::cout << "channel:     " << json_util::pretty(v.value("channel", "(unknown)")) << "\n";
+}
+
+void onKick(const nlohmann::json &v)
+{
+    std::cout << "event:       onKick\n";
+    std::cout << "server:      " << json_util::pretty(v.value("server", "(unknown)")) << "\n";
+    std::cout << "origin:      " << json_util::pretty(v.value("origin", "(unknown)")) << "\n";
+    std::cout << "channel:     " << json_util::pretty(v.value("channel", "(unknown)")) << "\n";
+    std::cout << "target:      " << json_util::pretty(v.value("target", "(unknown)")) << "\n";
+    std::cout << "reason:      " << json_util::pretty(v.value("reason", "(unknown)")) << "\n";
+}
+
+void onMessage(const nlohmann::json &v)
+{
+    std::cout << "event:       onMessage\n";
+    std::cout << "server:      " << json_util::pretty(v.value("server", "(unknown)")) << "\n";
+    std::cout << "origin:      " << json_util::pretty(v.value("origin", "(unknown)")) << "\n";
+    std::cout << "channel:     " << json_util::pretty(v.value("channel", "(unknown)")) << "\n";
+    std::cout << "message:     " << json_util::pretty(v.value("message", "(unknown)")) << "\n";
+}
+
+void onMe(const nlohmann::json &v)
+{
+    std::cout << "event:       onMe\n";
+    std::cout << "server:      " << json_util::pretty(v.value("server", "(unknown)")) << "\n";
+    std::cout << "origin:      " << json_util::pretty(v.value("origin", "(unknown)")) << "\n";
+    std::cout << "target:      " << json_util::pretty(v.value("target", "(unknown)")) << "\n";
+    std::cout << "message:     " << json_util::pretty(v.value("message", "(unknown)")) << "\n";
+}
+
+void onMode(const nlohmann::json &v)
+{
+    std::cout << "event:       onMode\n";
+    std::cout << "server:      " << json_util::pretty(v.value("server", "(unknown)")) << "\n";
+    std::cout << "origin:      " << json_util::pretty(v.value("origin", "(unknown)")) << "\n";
+    std::cout << "mode:        " << json_util::pretty(v.value("mode", "(unknown)")) << "\n";
+}
+
+void onNames(const nlohmann::json &v)
+{
+    std::cout << "event:       onNames\n";
+    std::cout << "server:      " << json_util::pretty(v.value("server", "(unknown)")) << "\n";
+    std::cout << "channel:     " << json_util::pretty(v.value("channel", "(unknown)")) << "\n";
+    std::cout << "names:       " << json_util::pretty(v.value("names", "(unknown)")) << "\n";
+}
+
+void onNick(const nlohmann::json &v)
+{
+    std::cout << "event:       onNick\n";
+    std::cout << "server:      " << json_util::pretty(v.value("server", "(unknown)")) << "\n";
+    std::cout << "origin:      " << json_util::pretty(v.value("origin", "(unknown)")) << "\n";
+    std::cout << "nickname:    " << json_util::pretty(v.value("nickname", "(unknown)")) << "\n";
+}
 
-namespace ctl {
+void onNotice(const nlohmann::json &v)
+{
+    std::cout << "event:       onNotice\n";
+    std::cout << "server:      " << json_util::pretty(v.value("server", "(unknown)")) << "\n";
+    std::cout << "origin:      " << json_util::pretty(v.value("origin", "(unknown)")) << "\n";
+    std::cout << "message:     " << json_util::pretty(v.value("message", "(unknown)")) << "\n";
+}
+
+void onPart(const nlohmann::json &v)
+{
+    std::cout << "event:       onPart\n";
+    std::cout << "server:      " << json_util::pretty(v.value("server", "(unknown)")) << "\n";
+    std::cout << "origin:      " << json_util::pretty(v.value("origin", "(unknown)")) << "\n";
+    std::cout << "channel:     " << json_util::pretty(v.value("channel", "(unknown)")) << "\n";
+    std::cout << "reason:      " << json_util::pretty(v.value("reason", "(unknown)")) << "\n";
+}
+
+void onTopic(const nlohmann::json &v)
+{
+    std::cout << "event:       onTopic\n";
+    std::cout << "server:      " << json_util::pretty(v.value("server", "(unknown)")) << "\n";
+    std::cout << "origin:      " << json_util::pretty(v.value("origin", "(unknown)")) << "\n";
+    std::cout << "channel:     " << json_util::pretty(v.value("channel", "(unknown)")) << "\n";
+    std::cout << "topic:       " << json_util::pretty(v.value("topic", "(unknown)")) << "\n";
+}
+
+void onWhois(const nlohmann::json &v)
+{
+    std::cout << "event:       onWhois\n";
+    std::cout << "server:      " << json_util::pretty(v.value("server", "(unknown)")) << "\n";
+    std::cout << "nickname:    " << json_util::pretty(v.value("nickname", "(unknown)")) << "\n";
+    std::cout << "username:    " << json_util::pretty(v.value("username", "(unknown)")) << "\n";
+    std::cout << "host:        " << json_util::pretty(v.value("host", "(unknown)")) << "\n";
+    std::cout << "realname:    " << json_util::pretty(v.value("realname", "(unknown)")) << "\n";
+}
+
+const std::unordered_map<std::string_view, std::function<void (const nlohmann::json&)>> events{
+    { "onConnect",          onConnect       },
+    { "onInvite",           onInvite        },
+    { "onJoin",             onJoin          },
+    { "onKick",             onKick          },
+    { "onMessage",          onMessage       },
+    { "onMe",               onMe            },
+    { "onMode",             onMode          },
+    { "onNames",            onNames         },
+    { "onNick",             onNick          },
+    { "onNotice",           onNotice        },
+    { "onPart",             onPart          },
+    { "onTopic",            onTopic         },
+    { "onWhois",            onWhois         }
+};
+
+void get_event(ctl::controller& ctl, std::string fmt)
+{
+    ctl.read([&ctl, fmt] (auto code, auto message) {
+        if (code)
+            throw std::system_error(code);
+
+        const auto event = json_util::document(message).get<std::string>("event");
+        const auto it = events.find(event ? *event : "");
+
+        if (it != events.end()) {
+            if (fmt == "json")
+                std::cout << message.dump(4) << std::endl;
+            else {
+                it->second(message);
+                std::cout << std::endl;
+            }
+        }
+
+        get_event(ctl, std::move(fmt));
+    });
+}
+
+auto parse(std::vector<std::string> &args) -> option::result
+{
+    option::options options{
+        { "-c",             true    },
+        { "--command",      true    },
+        { "-n",             true    },
+        { "--nickname",     true    },
+        { "-r",             true    },
+        { "--realname",     true    },
+        { "-S",             false   },
+        { "--ssl-verify",   false   },
+        { "-s",             false   },
+        { "--ssl",          false   },
+        { "-u",             true    },
+        { "--username",     true    }
+    };
+
+    return option::read(args, options);
+}
+
+} // !namespace
+
+// }}}
+
+// {{{ cli
 
 void cli::recv_response(ctl::controller& ctl, nlohmann::json req, handler_t handler)
 {
@@ -56,6 +251,877 @@
     });
 }
 
-} // !cli
+// }}}
+
+// {{{ plugin_config_cli
+
+void plugin_config_cli::set(ctl::controller& ctl, const std::vector<std::string>&args)
+{
+    request(ctl, {
+        { "command",    "plugin-config" },
+        { "plugin",     args[0]         },
+        { "variable",   args[1]         },
+        { "value",      args[2]         }
+    });
+}
+
+void plugin_config_cli::get(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    auto json = nlohmann::json::object({
+        { "command",    "plugin-config" },
+        { "plugin",     args[0]         },
+        { "variable",   args[1]         }
+    });
+
+    request(ctl, std::move(json), [args] (auto result) {
+        if (result["variables"].is_object())
+            std::cout << json_util::pretty(result["variables"][args[1]]) << std::endl;
+    });
+}
+
+void plugin_config_cli::getall(ctl::controller& ctl, const std::vector<std::string> &args)
+{
+    const auto json = nlohmann::json::object({
+        { "command",    "plugin-config" },
+        { "plugin",     args[0]         }
+    });
+
+    request(ctl, json, [] (auto result) {
+        const auto variables = result["variables"];
+
+        for (auto v = variables.begin(); v != variables.end(); ++v)
+            std::cout << std::setw(16) << std::left << v.key() << " : " << json_util::pretty(v.value()) << std::endl;
+    });
+}
+
+auto plugin_config_cli::get_name() const noexcept -> std::string_view
+{
+    return "plugin-config";
+}
+
+void plugin_config_cli::exec(ctl::controller& ctl, const std::vector<std::string> &args)
+{
+    switch (args.size()) {
+    case 3:
+        set(ctl, args);
+        break;
+    case 2:
+        get(ctl, args);
+        break;
+    case 1:
+        getall(ctl, args);
+        break;
+    default:
+        throw std::invalid_argument("plugin-config requires at least 1 argument");
+    }
+}
+
+// }}}
+
+// {{{ plugin_info_cli
+
+auto plugin_info_cli::get_name() const noexcept -> std::string_view
+{
+    return "plugin-info";
+}
+
+void plugin_info_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    if (args.size() < 1)
+        throw std::invalid_argument("plugin-info requires 1 argument");
+
+    const auto json = nlohmann::json::object({
+        { "command",    "plugin-info"   },
+        { "plugin",     args[0]         }
+    });
+
+    request(ctl, json, [] (auto result) {
+        const json_util::document doc(result);
+
+        std::cout << std::boolalpha;
+        std::cout << "Author         : " <<
+            doc.get<std::string>("author").value_or("(unknown)") << std::endl;
+        std::cout << "License        : " <<
+            doc.get<std::string>("license").value_or("(unknown)") << std::endl;
+        std::cout << "Summary        : " <<
+            doc.get<std::string>("summary").value_or("(unknown)") << std::endl;
+        std::cout << "Version        : " <<
+            doc.get<std::string>("version").value_or("(unknown)") << std::endl;
+    });
+}
+
+// }}}
+
+// {{{ plugin_list_cli
+
+auto plugin_list_cli::get_name() const noexcept -> std::string_view
+{
+    return "plugin-list";
+}
+
+void plugin_list_cli::exec(ctl::controller& ctl, const std::vector<std::string>&)
+{
+    request(ctl, {{ "command", "plugin-list" }}, [] (auto result) {
+        for (const auto& value : result["list"])
+            if (value.is_string())
+                std::cout << value.template get<std::string>() << std::endl;
+    });
+}
+
+// }}}
+
+// {{{ plugin_load_cli
+
+auto plugin_load_cli::get_name() const noexcept -> std::string_view
+{
+    return "plugin-load";
+}
+
+void plugin_load_cli::exec(ctl::controller& ctl, const std::vector<std::string> &args)
+{
+    if (args.size() < 1)
+        throw std::invalid_argument("plugin-load requires 1 argument");
+
+    request(ctl, {
+        { "command",    "plugin-load"   },
+        { "plugin",     args[0]         }
+    });
+}
+
+// }}}
+
+// {{{ plugin_reload_cli
+
+auto plugin_reload_cli::get_name() const noexcept -> std::string_view
+{
+    return "plugin-reload";
+}
+
+void plugin_reload_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    if (args.size() < 1)
+        throw std::invalid_argument("plugin-reload requires 1 argument");
+
+    request(ctl, {
+        { "command",    "plugin-reload" },
+        { "plugin",     args[0]         }
+    });
+}
+
+// }}}
+
+// {{{ plugin_unload_cli
+
+auto plugin_unload_cli::get_name() const noexcept -> std::string_view
+{
+    return "plugin-unload";
+}
+
+void plugin_unload_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    if (args.size() < 1)
+        throw std::invalid_argument("plugin-unload requires 1 argument");
+
+    request(ctl, {
+        { "command",    "plugin-unload" },
+        { "plugin",     args[0]         }
+    });
+}
+
+// }}}
+
+// {{{ rule_add_cli
+
+auto rule_add_cli::get_name() const noexcept -> std::string_view
+{
+    return "rule-add";
+}
+
+void rule_add_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    static const option::options options{
+        { "-c",             true },
+        { "--add-channel",  true },
+        { "-e",             true },
+        { "--add-event",    true },
+        { "-i",             true },
+        { "--index",        true },
+        { "-p",             true },
+        { "--add-plugin",   true },
+        { "-s",             true },
+        { "--add-server",   true }
+    };
+
+    auto copy = args;
+    auto result = option::read(copy, options);
+
+    if (copy.size() < 1)
+        throw std::invalid_argument("rule-add requires at least 1 argument");
+
+    auto json = nlohmann::json::object({
+        { "command",    "rule-add"              },
+        { "channels",   nlohmann::json::array() },
+        { "events",     nlohmann::json::array() },
+        { "plugins",    nlohmann::json::array() },
+        { "servers",    nlohmann::json::array() }
+    });
+
+    // All sets.
+    for (const auto& pair : result) {
+        if (pair.first == "-c" || pair.first == "--add-channel")
+            json["channels"].push_back(pair.second);
+        if (pair.first == "-e" || pair.first == "--add-event")
+            json["events"].push_back(pair.second);
+        if (pair.first == "-p" || pair.first == "--add-plugin")
+            json["plugins"].push_back(pair.second);
+        if (pair.first == "-s" || pair.first == "--add-server")
+            json["servers"].push_back(pair.second);
+    }
+
+    // Index.
+    std::optional<unsigned> index;
+
+    if (result.count("-i") > 0 && !(index = string_util::to_uint(result.find("-i")->second)))
+        throw std::invalid_argument("invalid index argument");
+    if (result.count("--index") > 0 && !(index = string_util::to_uint(result.find("--index")->second)))
+        throw std::invalid_argument("invalid index argument");
+
+    if (index)
+        json["index"] = *index;
+
+    json["action"] = copy[0];
+
+    request(ctl, json);
+}
+
+// }}}
+
+// {{{ rule_edit_cli
+
+auto rule_edit_cli::get_name() const noexcept -> std::string_view
+{
+    return "rule-edit";
+}
+
+void rule_edit_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    static const option::options options{
+        { "-a",                 true },
+        { "--action",           true },
+        { "-c",                 true },
+        { "--add-channel",      true },
+        { "-C",                 true },
+        { "--remove-channel",   true },
+        { "-e",                 true },
+        { "--add-event",        true },
+        { "-E",                 true },
+        { "--remove-event",     true },
+        { "-p",                 true },
+        { "--add-plugin",       true },
+        { "-P",                 true },
+        { "--remove-plugin",    true },
+        { "-s",                 true },
+        { "--add-server",       true },
+        { "-S",                 true },
+        { "--remove-server",    true },
+    };
+
+    auto copy = args;
+    auto result = option::read(copy, options);
+
+    if (copy.size() < 1)
+        throw std::invalid_argument("rule-edit requires at least 1 argument");
+
+    auto json = nlohmann::json::object({
+        { "command",    "rule-edit"             },
+        { "channels",   nlohmann::json::array() },
+        { "events",     nlohmann::json::array() },
+        { "plugins",    nlohmann::json::array() },
+        { "servers",    nlohmann::json::array() }
+    });
+
+    for (const auto& pair : result) {
+        // Action.
+        if (pair.first == "-a" || pair.first == "--action")
+            json["action"] = pair.second;
+
+        // Additions.
+        if (pair.first == "-c" || pair.first == "--add-channel")
+            json["add-channels"].push_back(pair.second);
+        if (pair.first == "-e" || pair.first == "--add-event")
+            json["add-events"].push_back(pair.second);
+        if (pair.first == "-p" || pair.first == "--add-plugin")
+            json["add-plugins"].push_back(pair.second);
+        if (pair.first == "-s" || pair.first == "--add-server")
+            json["add-servers"].push_back(pair.second);
+
+        // Removals.
+        if (pair.first == "-C" || pair.first == "--remove-channel")
+            json["remove-channels"].push_back(pair.second);
+        if (pair.first == "-E" || pair.first == "--remove-event")
+            json["remove-events"].push_back(pair.second);
+        if (pair.first == "-P" || pair.first == "--remove-plugin")
+            json["remove-plugins"].push_back(pair.second);
+        if (pair.first == "-S" || pair.first == "--remove-server")
+            json["remove-servers"].push_back(pair.second);
+    }
+
+    // Index.
+    const auto index = string_util::to_uint(copy[0]);
+
+    if (!index)
+        throw rule_error(rule_error::invalid_index);
+
+    json["index"] = *index;
+
+    request(ctl, json);
+}
+
+// }}}
+
+// {{{ rule_info_cli
+
+void rule_info_cli::print(const nlohmann::json& json, int index)
+{
+    assert(json.is_object());
+
+    const auto unjoin = [] (auto array) {
+        std::ostringstream oss;
+
+        for (auto it = array.begin(); it != array.end(); ++it) {
+            if (!it->is_string())
+                continue;
+
+            oss << it->template get<std::string>() << " ";
+        }
+
+        return oss.str();
+    };
+    const auto unstr = [] (auto action) {
+        if (action.is_string() && action == "accept")
+            return "accept";
+        else
+            return "drop";
+    };
+
+    std::cout << "rule:        " << index << std::endl;
+    std::cout << "servers:     " << unjoin(json["servers"]) << std::endl;
+    std::cout << "channels:    " << unjoin(json["channels"]) << std::endl;
+    std::cout << "plugins:     " << unjoin(json["plugins"]) << std::endl;
+    std::cout << "events:      " << unjoin(json["events"]) << std::endl;
+    std::cout << "action:      " << unstr(json["action"]) << std::endl;
+    std::cout << std::endl;
+}
+
+auto rule_info_cli::get_name() const noexcept -> std::string_view
+{
+    return "rule-info";
+}
+
+void rule_info_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    if (args.size() < 1)
+        throw std::invalid_argument("rule-info requires 1 argument");
+
+    const auto index = string_util::to_int(args[0]);
+
+    if (!index)
+        throw rule_error(rule_error::invalid_index);
+
+    const auto json = nlohmann::json::object({
+        { "command",    "rule-info" },
+        { "index",      *index      }
+    });
+
+    request(ctl, json, [index] (auto result) {
+        print(result, *index);
+    });
+}
+
+// }}}
+
+// {{{ rule_list_cli
+
+auto rule_list_cli::get_name() const noexcept -> std::string_view
+{
+    return "rule-list";
+}
+
+void rule_list_cli::exec(ctl::controller& ctl, const std::vector<std::string>&)
+{
+    request(ctl, {{ "command", "rule-list" }}, [] (auto result) {
+        auto pos = 0;
+
+        for (const auto& obj : result["list"]) {
+            if (obj.is_object())
+                rule_info_cli::print(obj, pos++);
+        }
+    });
+}
+
+// }}}
+
+// {{{ rule_move_cli
+
+auto rule_move_cli::get_name() const noexcept -> std::string_view
+{
+    return "rule-move";
+}
+
+void rule_move_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    if (args.size() < 2)
+        throw std::invalid_argument("rule-move requires 2 arguments");
+
+    const auto from = string_util::to_int<int>(args[0]);
+    const auto to = string_util::to_int<int>(args[1]);
+
+    if (!from)
+        throw rule_error(rule_error::invalid_index);
+    if (!to)
+        throw rule_error(rule_error::invalid_index);
+
+    request(ctl, {
+        { "command",    "rule-move" },
+        { "from",       *from       },
+        { "to",         *to         }
+    });
+}
 
-} // !irccd
+// }}}
+
+// {{{ rule_remove_cli
+
+auto rule_remove_cli::get_name() const noexcept -> std::string_view
+{
+    return "rule-remove";
+}
+
+void rule_remove_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    if (args.size() < 1)
+        throw std::invalid_argument("rule-remove requires 1 argument");
+
+    const auto index = string_util::to_int(args[0]);
+
+    if (!index)
+        throw rule_error(rule_error::invalid_index);
+
+    request(ctl, {
+        { "command",    "rule-remove"   },
+        { "index",      *index          }
+    });
+}
+
+// }}}
+
+// {{{ server_connect_cli
+
+auto server_connect_cli::get_name() const noexcept -> std::string_view
+{
+    return "server-connect";
+}
+
+void server_connect_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    std::vector<std::string> copy(args);
+
+    option::result result = parse(copy);
+    option::result::const_iterator it;
+
+    if (copy.size() < 2)
+        throw std::invalid_argument("server-connect requires at least 2 arguments");
+
+    auto object = nlohmann::json::object({
+        { "command",    "server-connect"    },
+        { "name",       copy[0]             },
+        { "host",       copy[1]             }
+    });
+
+    if (copy.size() == 3) {
+        const auto port = string_util::to_int(copy[2]);
+
+        if (!port)
+            throw std::invalid_argument("invalid port given");
+
+        object["port"] = *port;
+    }
+
+    if (result.count("-S") > 0 || result.count("--ssl-verify") > 0)
+        object["sslVerify"] = true;
+    if (result.count("-s") > 0 || result.count("--ssl") > 0)
+        object["ssl"] = true;
+    if ((it = result.find("-n")) != result.end() || (it = result.find("--nickname")) != result.end())
+        object["nickname"] = it->second;
+    if ((it = result.find("-r")) != result.end() || (it = result.find("--realname")) != result.end())
+        object["realname"] = it->second;
+    if ((it = result.find("-u")) != result.end() || (it = result.find("--username")) != result.end())
+        object["username"] = it->second;
+
+    request(ctl, object);
+}
+
+// }}}
+
+// {{{ server_disconnect_cli
+
+auto server_disconnect_cli::get_name() const noexcept -> std::string_view
+{
+    return "server-disconnect";
+}
+
+void server_disconnect_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    auto object = nlohmann::json::object({
+        { "command", "server-disconnect" }
+    });
+
+    if (args.size() > 0)
+        object["server"] = args[0];
+
+    request(ctl, object);
+}
+
+// }}}
+
+// {{{ server_info_cli
+
+auto server_info_cli::get_name() const noexcept -> std::string_view
+{
+    return "server-info";
+}
+
+void server_info_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    if (args.size() < 1)
+        throw std::invalid_argument("server-info requires 1 argument");
+
+    auto json = nlohmann::json::object({
+        { "command",    "server-info"   },
+        { "server",     args[0]         }
+    });
+
+    request(ctl, std::move(json), [] (auto result) {
+        std::cout << std::boolalpha;
+        std::cout << "Name           : " << json_util::pretty(result["name"]) << std::endl;
+        std::cout << "Host           : " << json_util::pretty(result["host"]) << std::endl;
+        std::cout << "Port           : " << json_util::pretty(result["port"]) << std::endl;
+        std::cout << "Ipv6           : " << json_util::pretty(result["ipv6"]) << std::endl;
+        std::cout << "SSL            : " << json_util::pretty(result["ssl"]) << std::endl;
+        std::cout << "SSL verified   : " << json_util::pretty(result["sslVerify"]) << std::endl;
+        std::cout << "Channels       : ";
+
+        for (const auto& v : result["channels"])
+            if (v.is_string())
+                std::cout << v.template get<std::string>() << " ";
+
+        std::cout << std::endl;
+
+        std::cout << "Nickname       : " << json_util::pretty(result["nickname"]) << std::endl;
+        std::cout << "User name      : " << json_util::pretty(result["username"]) << std::endl;
+        std::cout << "Real name      : " << json_util::pretty(result["realname"]) << std::endl;
+    });
+}
+
+// }}}
+
+// {{{ server_invite_cli
+
+auto server_invite_cli::get_name() const noexcept -> std::string_view
+{
+    return "server-invite";
+}
+
+void server_invite_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    if (args.size() < 3)
+        throw std::invalid_argument("server-invite requires 3 arguments");
+
+    request(ctl, {
+        { "command",    "server-invite" },
+        { "server",     args[0]         },
+        { "target",     args[1]         },
+        { "channel",    args[2]         }
+    });
+}
+
+// }}}
+
+// {{{ server_join_cli
+
+auto server_join_cli::get_name() const noexcept -> std::string_view
+{
+    return "server-join";
+}
+
+void server_join_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    if (args.size() < 2)
+        throw std::invalid_argument("server-join requires at least 2 arguments");
+
+    auto object = nlohmann::json::object({
+        { "command",    "server-join"   },
+        { "server",     args[0]         },
+        { "channel",    args[1]         }
+    });
+
+    if (args.size() == 3)
+        object["password"] = args[2];
+
+    request(ctl, object);
+}
+
+// }}}
+
+// {{{ server_kick_cli
+
+auto server_kick_cli::get_name() const noexcept -> std::string_view
+{
+    return "server-kick";
+}
+
+void server_kick_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    if (args.size() < 3)
+        throw std::invalid_argument("server-kick requires at least 3 arguments ");
+
+    auto object = nlohmann::json::object({
+        { "command",    "server-kick"   },
+        { "server",     args[0]         },
+        { "target",     args[1]         },
+        { "channel",    args[2]         }
+    });
+
+    if (args.size() == 4)
+        object["reason"] = args[3];
+
+    request(ctl, object);
+}
+
+// }}}
+
+// {{{ server_list_cli
+
+auto server_list_cli::get_name() const noexcept -> std::string_view
+{
+    return "server-list";
+}
+
+void server_list_cli::exec(ctl::controller& ctl, const std::vector<std::string>&)
+{
+    request(ctl, {{ "command", "server-list" }}, [] (auto result) {
+        for (const auto& n : result["list"])
+            if (n.is_string())
+                std::cout << n.template get<std::string>() << std::endl;
+    });
+}
+
+// }}}
+
+// {{{ server_me_cli
+
+auto server_me_cli::get_name() const noexcept -> std::string_view
+{
+    return "server-me";
+}
+
+void server_me_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    if (args.size() < 3)
+        throw std::runtime_error("server-me requires 3 arguments");
+
+    request(ctl, {
+        { "command",    "server-me" },
+        { "server",     args[0]     },
+        { "target",     args[1]     },
+        { "message",    args[2]     }
+    });
+}
+
+// }}}
+
+// {{{ server_message_cli
+
+auto server_message_cli::get_name() const noexcept -> std::string_view
+{
+    return "server-message";
+}
+
+void server_message_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    if (args.size() < 3)
+        throw std::invalid_argument("server-message requires 3 arguments");
+
+    request(ctl, {
+        { "command",    "server-message"    },
+        { "server",     args[0]             },
+        { "target",     args[1]             },
+        { "message",    args[2]             }
+    });
+}
+
+// }}}
+
+// {{{ server_mode_cli
+
+auto server_mode_cli::get_name() const noexcept -> std::string_view
+{
+    return "server-mode";
+}
+
+void server_mode_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    if (args.size() < 2)
+        throw std::invalid_argument("server-mode requires at least 3 arguments");
+
+    auto json = nlohmann::json({
+        { "command",    "server-mode"   },
+        { "server",     args[0]         },
+        { "channel",    args[1]         },
+        { "mode",       args[2]         }
+    });
+
+    if (args.size() >= 4)
+        json["limit"] = args[3];
+    if (args.size() >= 5)
+        json["user"] = args[4];
+    if (args.size() >= 6)
+        json["mask"] = args[5];
+
+    request(ctl, std::move(json));
+}
+
+// }}}
+
+// {{{ server_nick_cli
+
+auto server_nick_cli::get_name() const noexcept -> std::string_view
+{
+    return "server-nick";
+}
+
+void server_nick_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    if (args.size() < 2)
+        throw std::invalid_argument("server-nick requires 2 arguments");
+
+    request(ctl, {
+        { "command",    "server-nick"   },
+        { "server",     args[0]         },
+        { "nickname",   args[1]         }
+    });
+}
+
+// }}}
+
+// {{{ server_notice_cli
+
+auto server_notice_cli::get_name() const noexcept -> std::string_view
+{
+    return "server-notice";
+}
+
+void server_notice_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    if (args.size() < 3)
+        throw std::invalid_argument("server-notice requires 3 arguments");
+
+    request(ctl, {
+        { "command",    "server-notice" },
+        { "server",     args[0]         },
+        { "target",     args[1]         },
+        { "message",    args[2]         }
+    });
+}
+
+// }}}
+
+// {{{ server_part_cli
+
+auto server_part_cli::get_name() const noexcept -> std::string_view
+{
+    return "server-part";
+}
+
+void server_part_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    if (args.size() < 2)
+        throw std::invalid_argument("server-part requires at least 2 arguments");
+
+    auto object = nlohmann::json::object({
+        { "command",    "server-part"   },
+        { "server",     args[0]         },
+        { "channel",    args[1]         }
+    });
+
+    if (args.size() >= 3)
+        object["reason"] = args[2];
+
+    request(ctl, object);
+}
+
+// }}}
+
+// {{{ server_reconnect_cli
+
+auto server_reconnect_cli::get_name() const noexcept -> std::string_view
+{
+    return "server-reconnect";
+}
+
+void server_reconnect_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    auto object = nlohmann::json::object({
+        { "command", "server-reconnect" }
+    });
+
+    if (args.size() >= 1)
+        object["server"] = args[0];
+
+    request(ctl, object);
+}
+
+// }}}
+
+// {{{ server_topic_cli
+
+auto server_topic_cli::get_name() const noexcept -> std::string_view
+{
+    return "server-topic";
+}
+
+void server_topic_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    if (args.size() < 3)
+        throw std::invalid_argument("server-topic requires 3 arguments");
+
+    request(ctl, {
+        { "command",    "server-topic"  },
+        { "server",     args[0]         },
+        { "channel",    args[1]         },
+        { "topic",      args[2]         }
+    });
+}
+
+// }}}
+
+// {{{ watch_cli
+
+auto watch_cli::get_name() const noexcept -> std::string_view
+{
+    return "watch";
+}
+
+void watch_cli::exec(ctl::controller& ctl, const std::vector<std::string>& args)
+{
+    auto fmt = format(args);
+
+    if (fmt != "native" && fmt != "json")
+        throw std::invalid_argument("invalid format given: " + fmt);
+
+    get_event(ctl, fmt);
+}
+
+// }}}
+
+} // !irccd::ctl