#include "Config.h"
#include "Core/Base/Check.h"
#include "Core/Net_Adapter/Net_Adapter.h"
#include "Global.h"
#include <filesystem>
#include <string_view>
#undef interface

std::string default_config_path;

std::string get_config_path() {
  // #ifdef WIN32
  //   get_exe_dir()
  //   return "D:/ae/proj/projects/ECAP_Server/config/config.json";
  // #endif
  static bool first = true;
  if (!default_config_path.empty())
    return default_config_path;
  std::string ret;
  std::ostringstream oss;
  std::string file_name = "config.json";
  ret = get_exe_dir() + "/" + file_name;
  if (first) {
    std::cout << oss.str() << std::endl;
    first = false;
  }
  return ret;
}

void Mode_ACS_Config::server(Global *g) {
  auto &svr = g->svr;
  auto &api = g->api;
  data_source_config.server(g);
  data_feed_config.server(g);
  source_feed_relation_config.server(g);

  svr.Post(api + "get_mode_s_basic_config", [this](HTTP_Param) {
    CHECK_JSON_PARAM
    res->setBody(warp(to_base_json()).to_json_string());
  });
  svr.Post(api + "set_mode_s_basic_config", [this](HTTP_Param) {
    CHECK_JSON_PARAM
    auto &j = o_params.value();
    init_base_json(&j);
    res->setBody(warp(to_base_json()).to_json_string());
  });
}

void Device_Config::server(Global *g) {
  auto &svr = g->svr;
  auto &api = g->api;
  svr.Post(api + "get_device_config", [this](HTTP_Param) {
    res->setBody(warp(to_base_json()).to_json_string());
  });

  svr.Post(api + "get_net_adapter_list", [this](HTTP_Param) {
    JSON ret = JSON::object();
    auto arr = JSON::array();
    for (auto &it: Psc::get_net_adapter_info_map()) {
      arr.append(it.second.to_Json());
    }
    ret.append({"list", arr});
    res->setBody(warp(ret).to_json_string());
  });

  svr.Post(api + "set_device_config", [this](HTTP_Param) {
    CHECK_JSON_PARAM
    JSON old_device_config;
    {
      old_device_config = to_base_json();
    }
    HTTP_REQUIRE_PTR(net, params.get("net"))
    Net_Config device, wifi;
    bool has_device = false;
    bool has_wifi = false;
    for (const auto &it: net->children) {
      HTTP_REQUIRE_VALUE(net_key, it.try_get_string("key"))
      if (net_key == "device") {
        device.from_base_json(&it);
        has_device = true;
      }
      if (net_key == "wifi") {
        wifi.from_base_json(&it);
        has_wifi = true;
      }
    }
    HTTP_REQUIRE_TRUE(has_device && has_wifi, "net")

    bool it1 =
        check_ip_netmask_gateway(device.ip, device.netmask, device.gateway);
    bool it2 = check_ip_netmask_gateway(wifi.ip, wifi.netmask, wifi.gateway);
    bool p1 = check_port(device.port);
    bool p2 = check_port(wifi.port);
    if (!it1 || !it2 || !p1 || !p2) {
      server_logger->error("", {},
                           LOG_POS + "  ip port! " + device.ip + ":" +
                           std::to_string(device.port));
      res->setBody(warp(old_device_config).to_json_string());
      return;
    }

#if WIN32
    bool use = false;
#else
    bool use = true;
#endif
    {
      auto &w = *this;
      *w.list.get("device").value() = device;
      *w.list.get("wifi").value() = wifi;
    }
    Global::save();
    if (use) {
      std::string interface;
      {
        std::string path = get_exe_dir() + "/interface";
        std::ifstream ifs(path);
        if (!ifs.is_open()) {
          server_logger->error("", {}, LOG_POS + "  无法打开文件! " + path);
          res->setBody(warp(old_device_config).to_json_string());
          return;
        }
        std::stringstream buffer;
        buffer << ifs.rdbuf();
        interface = buffer.str();
      }
      static auto set = [](std::string &interface, std::string_view token,
                           std::string_view value) {
        std::string var_name = "${" + std::string(token) + "}";
        auto size = var_name.size();
        size_t pos = interface.find(var_name);
        while (pos != std::string::npos) {
          interface.replace(pos, size, value);
          pos = interface.find(var_name);
        }
      };
      set(interface, "ip", device.ip);
      set(interface, "gateway", device.gateway);
      set(interface, "netmask", device.netmask);
      set(interface, "wifi_ip", wifi.ip);
      set(interface, "wifi_gateway", wifi.gateway);
      set(interface, "wifi_netmask", wifi.netmask);
      std::cout << interface << std::endl;
      std::string path = "/etc/network/interfaces";
      std::ofstream outfile(path);
      if (!outfile.is_open()) {
        server_logger->error("", {}, LOG_POS + "  无法打开文件!" + path);
        res->setBody(warp(old_device_config).to_json_string());
        return;
      }
      outfile << interface;
      outfile.close();
      std::string bash_path = get_exe_dir() + "/restart_net_service.sh";
      if (!std::filesystem::exists(bash_path)) {
        server_logger->error("", {}, LOG_POS + "  !" + bash_path);
        res->setBody(warp(old_device_config).to_json_string());
        return;
      }
      int result = system(bash_path.c_str());
      if (result != 0) {
        server_logger->error("", {}, LOG_POS + "  脚本执行失败!" + bash_path);
        res->setBody(warp(old_device_config).to_json_string());
        return;
      }
    }
    res->setBody(warp(params).to_json_string());
  });
}

void Config::save() {
  std::ofstream config_file;
  config_file.open(get_config_path());
  std::string json = Global::instance()->toJson().to_json_string();
  config_file.write(json.c_str(), static_cast<long long>(json.size()));
  config_file.close();
}