#include <settings/dns/dns.hpp>
#include <colors.h>
#include <json.hpp>
#include <types.hpp>
#include <syslog.h>
#include <auth/auth.hpp>
#include <helpers.hpp>
#include <config/config.hpp>

#define DNS_REQUIRED_STRING R"({"required":"[token,enabled]"})"

namespace api
{
    namespace settings
    {
        namespace dns
        {
            void get_dns(const httplib::Request& request, httplib::Response& response)
            {
                std::cout << GREEN << request.path << RESET << "  " << request.method << std::endl;
                response.set_header("Access-Control-Allow-Origin", "*");
                if (!check_body(request))
                {
                    response.set_content(ACCESS_REQUIRED_STRING, JSON_TYPE);
                    return;
                }
                nlohmann::json json_body = nlohmann::json::parse(request.body);

                if (!authenticate(json_body["token"]))
                {
                    response.set_content(R"({"access":"reject"})", JSON_TYPE);
                    return;
                }
                config::config.setConfig(std::string("../config.json"));
                int dns_enabled = config::config.getConfig()["settings"]["dns"]["enabled"];
                std::stringstream responsedata;
                responsedata << R"({"enabled":")" << dns_enabled << R"("})";
                response.set_content(responsedata.str(), JSON_TYPE);
            }

            void set_dns(const httplib::Request& request, httplib::Response& response)
            {
                std::cout << GREEN << request.path << RESET << "  " << request.method << std::endl;
                response.set_header("Access-Control-Allow-Origin", "*");
                if (!check_body(request))
                {
                    response.set_content(ACCESS_REQUIRED_STRING, JSON_TYPE);
                    return;
                }
                nlohmann::json json_body = nlohmann::json::parse(request.body);

                if (json_body["enabled"] == nullptr)
                {
                    response.set_content(DNS_REQUIRED_STRING, JSON_TYPE);
                    return;
                }

                if (!authenticate(json_body["token"]))
                {
                    response.set_content(R"({"access":"reject"})", JSON_TYPE);
                    return;
                }
                bool new_dns_enabled = json_body["enabled"];
                if (!new_dns_enabled)
                {
                    system("rc stop dnsmasq");
                    system("rc del dnsmasq");
                    syslog(LOG_INFO, "%s", "DNS is disabled");
                }
                else
                {
                    system("rc restart dnsmasq");
                    system("rc add dnsmasq");
                    syslog(LOG_INFO, "%s", "DNS is enabled");
                }
                config::config.setConfig(std::string("../config.json"));
                nlohmann::json new_config = config::config.getConfig();
                new_config["settings"]["dns"]["enabled"] = new_dns_enabled;
                config::config.setConfig(new_config);
                config::config.saveConfig();
                int dns_enabled = config::config.getConfig()["settings"]["dns"]["enabled"];
                std::stringstream responsedata;
                responsedata << R"({"enabled":")" << dns_enabled << R"("})";
                response.set_content(responsedata.str(), JSON_TYPE);
            }
        }
    }
}