#include <netdb.h>
#include <models/relay_dbo.h>
#include <helpers.h>
#include <models/controller_dbo.h>
#include <models/schedule_dbo.h>
#include <config.h>
#include "api_v1_controllers.h"

using namespace api::v1;

void
controllers::get_relays_all(const HttpRequestPtr &req, std::function<void(const HttpResponsePtr &)> &&callback,
                        const std::string& controller_id_str)
{
    uuid_t controller_id;
    if(uuid_parse(controller_id_str.c_str(), controller_id))
    {
        auto resp = HttpResponse::newHttpResponse();
        resp->setStatusCode(k400BadRequest);
        callback(resp);
        return;
    }
    relay_dbo **all_controller_relays = relay_dbo::get_by_simple("controller_id", (void *) controller_id, (intptr_t) sqlite3_bind_blob, sizeof(uuid_t));
    Json::Value all_relays_json(Json::arrayValue);

    for(int i = 0; all_controller_relays[i] != nullptr; i++)
    {
        all_relays_json.append(all_controller_relays[i]->to_json());
    }

    auto resp = HttpResponse::newHttpJsonResponse(all_relays_json);

    callback(resp);

    relay_dbo::free_list(all_controller_relays);
}

void
controllers::get_relays_one_by_id_and_num(const HttpRequestPtr &req,
                                      std::function<void(const HttpResponsePtr &)> &&callback, const std::string& controller_id_str,
                                      int relay_num)
{
    uuid_t controller_id;
    if(uuid_parse(controller_id_str.c_str(), controller_id))
    {
        auto resp = HttpResponse::newHttpResponse();
        resp->setStatusCode(k400BadRequest);
        callback(resp);
        return;
    }
    relay_dbo *relay = relay_dbo::get_relay_for_controller(controller_id, relay_num);

    if(relay)
    {
        auto resp = HttpResponse::newHttpJsonResponse(relay->to_json());

        callback(resp);

        delete relay;
    }
    else
    {
        auto resp = HttpResponse::newHttpResponse();
        resp->setStatusCode(k404NotFound);

        callback(resp);
    }
}

void
controllers::put_relays_one_by_id_and_num(const HttpRequestPtr &req,
                                      std::function<void(const HttpResponsePtr &)> &&callback, const std::string& controller_id_str,
                                      int relay_num)
{
    uuid_t controller_id;
    if(uuid_parse(controller_id_str.c_str(), controller_id))
    {
        auto resp = HttpResponse::newHttpResponse();
        resp->setStatusCode(k400BadRequest);
        callback(resp);
        return;
    }
    if(!relay_dbo::valid_num_for_controller(controller_id, relay_num))
    {
        auto resp = HttpResponse::newHttpResponse();
        resp->setStatusCode(k400BadRequest);
        callback(resp);
        return;
    }

    Json::Value body = *req->getJsonObject();
    uuid_t active_schedule_id;
    if(!schedule_dbo::parse_id(body["active_schedule"].asCString(), active_schedule_id))
    {
        auto resp = HttpResponse::newHttpResponse();
        resp->setStatusCode(k400BadRequest);
        callback(resp);
        return;
    }

    relay_dbo *relay = relay_dbo::get_relay_for_controller(controller_id, relay_num);

    bool db_action_result;

    if(relay)
    {
        strncpy(relay->name, body["name"].asCString(), 127);
        uuid_copy(relay->active_schedule_id, active_schedule_id);

        db_action_result = relay->update();
    }
    else
    {
        relay = new relay_dbo();
        relay->number = relay_num;
        strncpy(relay->name, body["name"].asCString(), 127);

        uuid_copy(relay->active_schedule_id, active_schedule_id);
        uuid_copy(relay->controller_id, controller_id);

        relay->reload_active_schedule();

        db_action_result = relay->insert();
    }

    if(!db_action_result)
    {
        auto resp = HttpResponse::newHttpResponse();
        resp->setStatusCode(k500InternalServerError);
        callback(resp);
    }
    else
    {
        auto schedules = schedule_dbo::get_by_simple("id", active_schedule_id, (intptr_t)&sqlite3_bind_blob, sizeof(uuid_t));
        auto controllers = controller_dbo::get_by_simple("id", controller_id, (intptr_t)&sqlite3_bind_blob, sizeof(uuid_t));

        Json::Value payload;
        payload["target"] = relay_num;
        payload["schedule"] = schedules[0]->to_json();

        Json::StreamWriterBuilder json_writer;

        controllers[0]->command(config::command_code_set_schedule, Json::writeString(json_writer, payload).c_str());

        auto resp = HttpResponse::newHttpJsonResponse(relay->to_json());
        callback(resp);

        schedule_dbo::free_list(schedules);
        controller_dbo::free_list(controllers);
    }

    delete relay;
}