#include <boost/optional.hpp>
#include <boost/lexical_cast.hpp>
#include <pqxx/connection.hxx>
#include <pqxx/transaction.hxx>
#include "json.hpp"
#include <fstream>

namespace trygvis {
namespace apps {

template<class T>
using o = boost::optional<T>;
using namespace std;
using json = nlohmann::json;

class sm_db_insert : public app {

public:
    sm_db_insert() : app("sm-db-insert") {
    }

    ~sm_db_insert() = default;

    void add_options(po::options_description_easy_init &options) override {
        options
                ("file", po::value<string>()->required(), "The file to read");
    }

    int main(app_execution &execution) override {
        auto file = execution.vm["file"].as<string>();
        cout << "reading from " << file << endl;

        fstream f(file);

        json j;

        j << f;

        pqxx::connection c("host=localhost dbname=soil-moisture");

        pqxx::work work(c);

        string mac = j["mac"]; // "aa:bb:cc:dd:ee:ff";

        auto rs = work.parameterized("select id from soil_moisture_device where mac=$1")(mac).exec();

        if (!rs.size()) {
            cout << "New device: " << mac << endl;

            rs = work.parameterized("insert into soil_moisture_device(mac) values($1) returning id")(mac).exec();
        }

        auto deviceId = rs.begin()["id"].as<int>();

        int sensor = j["sensor"];

        rs = work.parameterized("select id from soil_moisture_sensor where device=$1 and sensor=$2")(deviceId)(sensor).exec();

        if (!rs.size()) {
            cout << "New sensor: " << sensor << endl;

            rs = work.parameterized("insert into soil_moisture_sensor(device, sensor) values($1, $2) returning id")(deviceId)(sensor).exec();
        }
        auto sensorId = rs.begin()["id"].as<int>();

        unsigned long timestamp = get<unsigned long>(j, "timestamp");
        unsigned int value = get<unsigned int>(j, "value");

        work.parameterized("insert into soil_moisture_sample(sensor, timestamp, value) values($1, $2, $3)")(sensorId)(timestamp)(value).exec();

        cout << "Sample inserted" << endl;

        work.commit();

        return EXIT_SUCCESS;
    }
};

}
}