#include <models/controller_dbo.h>
#include <config.h>
#include <enums.h>
#include <mpack.h>
#include "api_v1_controllers.h"
using namespace api::v1;

void
controllers::get_all(const HttpRequestPtr &req, std::function<void(const HttpResponsePtr &)> &&callback)
{
    controller_dbo **all_controllers = controller_dbo::get_all();
    Json::Value all_controllers_json(Json::arrayValue);

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

    auto resp = HttpResponse::newHttpJsonResponse(all_controllers_json);

    callback(resp);

    controller_dbo::free_list(all_controllers);
}

void
controllers::get_one_by_id(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;
    }
    controller_dbo **controllers = controller_dbo::get_by_simple("id", controller_id, (intptr_t) &sqlite3_bind_blob, sizeof(uuid_t));

    if(controllers[0])
    {
        auto resp = HttpResponse::newHttpJsonResponse(controllers[0]->to_json());

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

        callback(resp);
    }
    controller_dbo::free_list(controllers);
}

void
controllers::get_one_by_tag(const HttpRequestPtr &req, std::function<void(const HttpResponsePtr &)> &&callback,
                            const std::string &controller_tag)
{
    controller_dbo **controllers = controller_dbo::get_by_simple("tag", controller_tag.c_str(), (intptr_t) &sqlite3_bind_text, -1);

    if(controllers[0])
    {
        auto resp = HttpResponse::newHttpJsonResponse(controllers[0]->to_json());

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

        callback(resp);
    }
    controller_dbo::free_list(controllers);
}

void
controllers::delete_one_by_id(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;
    }
    controller_dbo **controllers = controller_dbo::get_by_simple("id", controller_id, (intptr_t) &sqlite3_bind_blob, sizeof(uuid_t));

    if(controllers[0])
    {
        auto resp = HttpResponse::newHttpResponse();
        if(!controllers[0]->remove())
        {
            resp->setStatusCode(k500InternalServerError);
        }

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

        callback(resp);
    }
    controller_dbo::free_list(controllers);
}

void
controllers::put_one_by_id(const HttpRequestPtr &req, std::function<void(const HttpResponsePtr &)> &&callback,
                           const std::string &controller_id_str)
{
    Json::Value body = *req->getJsonObject();

    uuid_t controller_id;
    if(uuid_parse(controller_id_str.c_str(), controller_id))
    {
        auto resp = HttpResponse::newHttpResponse();
        resp->setStatusCode(k400BadRequest);
        callback(resp);
        return;
    }
    controller_dbo **controllers = controller_dbo::get_by_simple("id", controller_id, (intptr_t) &sqlite3_bind_blob, sizeof(uuid_t));

    if(controllers[0])
    {
        strncpy(controllers[0]->name, body["name"].asCString(), 127);
        strncpy(controllers[0]->ip, body["ip"].asCString(), 16);

        controllers[0]->name[127] = '\0';
        controllers[0]->ip[16] = '\0';

        auto resp = HttpResponse::newHttpResponse();
        if(controllers[0]->update())
        {
            char* data;
            size_t size;
            mpack_writer_t writer;
            mpack_writer_init_growable(&writer, &data, &size);

            // write the example on the msgpack homepage
            mpack_start_map(&writer, 2);

            mpack_write_uint(&writer, COMMAND_MAPPING_CODE);
            mpack_write_u8(&writer, config::command_code_set_name);

            mpack_write_uint(&writer, COMMAND_MAPPING_NAME);
            mpack_write_cstr(&writer, controllers[0]->name);

            mpack_finish_map(&writer);

            // finish writing
            if (mpack_writer_destroy(&writer) != mpack_ok) {
                LOG_ERROR << "an error occurred encoding the data";
                auto resp = HttpResponse::newHttpResponse();
                resp->setStatusCode(k500InternalServerError);
                callback(resp);
                return;
            }
            controllers[0]->command(config::command_code_set_name, data, size);
            resp = HttpResponse::newHttpJsonResponse(controllers[0]->to_json());
        }
        else
        {
            resp->setStatusCode(k500InternalServerError);
        }

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

        callback(resp);
    }
    controller_dbo::free_list(controllers);
}