#pragma once

#include <QDateTime>
#include <QJsonObject>
#include <QObject>
#include <QString>
#include <functional>

class QNetworkAccessManager;

struct AuthResult
{
    bool ok = false;
    bool twoFactorRequired = false;
    bool licenseMissing = false;
    QString error;

    QString playerName;     // ${auth_player_name}
    QString uuid;           // ${auth_uuid}, hex без дефисов
    QString accessToken;    // ${auth_access_token}
    QString clientToken;    // ${clientid}
    QString userType;       // ${user_type}: legacy / msa / ELYBY

    // Только для аккаунтов Microsoft.
    QString refreshToken;   // продлевает сессию без ввода пароля
    QString xuid;           // ${auth_xuid}
    QDateTime expiresAt;    // UTC-время, когда протухает accessToken
};

class AuthService : public QObject
{
    Q_OBJECT

public:
    using Callback = std::function<void(const AuthResult &)>;

    explicit AuthService(QObject *parent = nullptr);
    static AuthResult offline(const QString &nickname);
    static QString generateClientToken();

    void loginElyBy(const QString &login,
                    const QString &password,
                    const QString &clientToken,
                    const QString &accessToken,
                    Callback callback);

    void loginElyByWithTotp(const QString &login,
                            const QString &password,
                            const QString &totp,
                            const QString &clientToken,
                            Callback callback);

    void ensureAuthlibInjector(const QString &targetDir,
                               std::function<void(const QString &path, const QString &error)> callback);

signals:
    void progress(const QString &message);

private:
    void postJson(const QString &endpoint,
                  const QJsonObject &body,
                  std::function<void(int status, const QJsonObject &response, const QString &transportError)> handler);

    void authenticate(const QString &login,
                      const QString &password,
                      const QString &clientToken,
                      Callback callback);

    QNetworkAccessManager *m_network;
};