#include "DumpSource.h"

#include <ctime>
#include <sstream>
#include <string>
#include <utility>
#include <vector>

#include <nlohmann/json.hpp>
#include <raylib.h>

#include "Killmail.h"


using json = nlohmann::json;
using tm = std::tm;


void from_json(const json& j, tm& d);
void from_json(const json& j, Killmail& km);


NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(LongVector3, x, y, z)


DumpSource::DumpSource(const char* filename) :
    m_killmails {}
{
    if (!FileExists(filename))
        throw "File does not exist";
    char* text = LoadFileText(filename);
    auto dump = json::parse(text);
    dump.at("killmails").get_to(m_killmails);
    UnloadFileText(text);
}


std::vector<Killmail>
DumpSource::killmails() const
{
    return m_killmails;
}


void
from_json(const json& j, tm& d)
{
    std::istringstream str(j.get<std::string>());
    str >> std::get_time(&d, "%Y-%m-%dT%H:%M:%SZ");
}


void
from_json(const json& j, Killmail& km)
{
    j.at("victim").at("position").get_to(km.position);
    j.at("killmail_time").get_to(km.time);
}