#ifndef WSJTX_MESSAGE_CLIENT_HPP__
#define WSJTX_MESSAGE_CLIENT_HPP__

#include <QDateTime>
#include <QHostAddress>
#include <QObject>
#include <QString>
#include <QTime>

#include "JS8_Include/pimpl_h.h"
#include "JS8_Main/Radio.h"

class QByteArray;
class QHostAddress;
class QColor;

/**
 * @brief WSJT-X compatible message client for JS8Call
 *
 * This class implements the WSJT-X UDP binary protocol for inter-application
 * communication. It allows JS8Call to send and receive messages compatible
 * with WSJT-X and other applications that support the WSJT-X protocol.
 *
 * Based on WSJT-X MessageClient but adapted for JS8Call.
 */
class WSJTXMessageClient : public QObject {
    Q_OBJECT;

  public:
    using Frequency = Radio::Frequency;
    using port_type = quint16;

    /**
     * @brief Construct a WSJT-X message client
     *
     * Instantiates the client and initiates a host lookup on the server.
     *
     * @param id Application identifier (e.g., "JS8Call")
     * @param version Application version string
     * @param revision Application revision string
     * @param server_name Server hostname or IP address (supports multicast)
     * @param server_port UDP port number for communication
     * @param network_interface_names List of network interface names for
     * multicast
     * @param TTL Time-to-live for multicast packets
     * @param parent Parent QObject
     */
    WSJTXMessageClient(QString const &id, QString const &version,
                       QString const &revision, QString const &server_name,
                       port_type server_port,
                       QStringList const &network_interface_names, int TTL,
                       QObject *parent = nullptr);

    /**
     * @brief Get the server address
     * @return QHostAddress of the server, or null if not resolved
     */
    QHostAddress server_address() const;

    /**
     * @brief Get the server port
     * @return UDP port number
     */
    port_type server_port() const;

    /**
     * @brief Set the server address and network interfaces
     *
     * Initiates a new server host lookup and updates the network interfaces
     * used for multicast transmission.
     *
     * @param server_name Server hostname or IP address
     * @param network_interface_names List of network interface names for
     * multicast
     */
    Q_SLOT void set_server(QString const &server_name,
                           QStringList const &network_interface_names);

    /**
     * @brief Set the server port
     * @param server_port UDP port number (0 to disable)
     */
    Q_SLOT void set_server_port(port_type server_port = 0u);

    /**
     * @brief Set the TTL for multicast packets
     * @param TTL Time-to-live value
     */
    Q_SLOT void set_TTL(int TTL);

    /**
     * @brief Enable or disable incoming message processing
     * @param flag true to enable, false to disable
     */
    Q_SLOT void enable(bool);

    /**
     * @brief Send a Status message
     *
     * Sends the current station status including frequency, mode, callsigns,
     * and operational state.
     *
     * @param f Operating frequency (Hz)
     * @param mode Operating mode string
     * @param dx_call DX station callsign (selected station)
     * @param report Report string
     * @param tx_mode TX mode string
     * @param tx_enabled Whether TX is enabled
     * @param transmitting Whether currently transmitting
     * @param decoding Whether currently decoding
     * @param rx_df Receive frequency offset (Hz)
     * @param tx_df Transmit frequency offset (Hz)
     * @param de_call My callsign
     * @param de_grid My grid square
     * @param dx_grid DX station grid square
     * @param watchdog_timeout Whether watchdog has timed out
     * @param sub_mode Sub-mode string
     * @param fast_mode Whether fast mode is enabled
     * @param special_op_mode Special operating mode
     * @param frequency_tolerance Frequency tolerance (Hz)
     * @param tr_period Transmit/receive period (seconds)
     * @param configuration_name Configuration name
     * @param tx_message Current TX message text
     */
    Q_SLOT void status_update(
        Frequency, QString const &mode, QString const &dx_call,
        QString const &report, QString const &tx_mode, bool tx_enabled,
        bool transmitting, bool decoding, quint32 rx_df, quint32 tx_df,
        QString const &de_call, QString const &de_grid, QString const &dx_grid,
        bool watchdog_timeout, QString const &sub_mode, bool fast_mode,
        quint8 special_op_mode, quint32 frequency_tolerance, quint32 tr_period,
        QString const &configuration_name, QString const &tx_message);

    /**
     * @brief Send a Decode message
     *
     * Sends information about a decoded message.
     *
     * @param is_new Whether this is a new decode
     * @param time Decode time
     * @param snr Signal-to-noise ratio (dB)
     * @param delta_time Time offset from expected time (seconds)
     * @param delta_frequency Frequency offset from nominal (Hz)
     * @param mode Operating mode string
     * @param message Decoded message text
     * @param low_confidence Whether decode confidence is low
     * @param off_air Whether this is an off-air decode
     */
    Q_SLOT void decode(bool is_new, QTime time, qint32 snr, float delta_time,
                       quint32 delta_frequency, QString const &mode,
                       QString const &message, bool low_confidence,
                       bool off_air);

    /**
     * @brief Send a Clear Decodes message
     *
     * Notifies clients to clear the decode window.
     */
    Q_SLOT void decodes_cleared();

    /**
     * @brief Send a QSO Logged message
     *
     * Sends information about a logged QSO.
     *
     * @param time_off QSO end time
     * @param dx_call DX station callsign
     * @param dx_grid DX station grid square
     * @param dial_frequency Dial frequency (Hz)
     * @param mode Operating mode
     * @param report_sent Report sent to DX station
     * @param report_received Report received from DX station
     * @param tx_power Transmit power
     * @param comments QSO comments
     * @param name DX station name
     * @param time_on QSO start time
     * @param operator_call Operator callsign
     * @param my_call My callsign
     * @param my_grid My grid square
     * @param exchange_sent Exchange sent
     * @param exchange_rcvd Exchange received
     * @param propmode Propagation mode
     */
    Q_SLOT void qso_logged(QDateTime time_off, QString const &dx_call,
                           QString const &dx_grid, Frequency dial_frequency,
                           QString const &mode, QString const &report_sent,
                           QString const &report_received,
                           QString const &tx_power, QString const &comments,
                           QString const &name, QDateTime time_on,
                           QString const &operator_call, QString const &my_call,
                           QString const &my_grid, QString const &exchange_sent,
                           QString const &exchange_rcvd,
                           QString const &propmode);

    /**
     * @brief Send a Logged ADIF message
     *
     * Sends the ADIF record for a logged QSO. This is sent in addition to
     * the QSOLogged message and uses the WSJT-X LoggedADIF message format.
     *
     * @param ADIF_record ADIF formatted record for the logged QSO
     */
    Q_SLOT void logged_ADIF(QByteArray const &ADIF_record);

    /**
     * @name Signals for incoming messages
     * @{
     */

    /**
     * @brief Emitted when a Clear Decodes message is received
     * @param window Window number to clear (0 = all windows)
     */
    Q_SIGNAL void clear_decodes(quint8 window);

    /**
     * @brief Emitted when a Reply message is received
     * @param time Reply time
     * @param snr Signal-to-noise ratio (dB)
     * @param delta_time Time offset (seconds)
     * @param delta_frequency Frequency offset (Hz)
     * @param mode Operating mode
     * @param message_text Reply message text
     * @param low_confidence Whether decode confidence is low
     * @param modifiers Message modifiers
     */
    Q_SIGNAL void reply(QTime, qint32 snr, float delta_time,
                        quint32 delta_frequency, QString const &mode,
                        QString const &message_text, bool low_confidence,
                        quint8 modifiers);

    /**
     * @brief Emitted when a Close message is received
     */
    Q_SIGNAL void close();

    /**
     * @brief Emitted when a Replay message is received
     */
    Q_SIGNAL void replay();

    /**
     * @brief Emitted when a Halt TX message is received
     * @param auto_only If true, only halt auto sequences
     */
    Q_SIGNAL void halt_tx(bool auto_only);

    /**
     * @brief Emitted when a Free Text message is received
     * @param text Free text to send
     * @param send Whether to send immediately
     */
    Q_SIGNAL void free_text(QString const &, bool send);

    /**
     * @brief Emitted when a Location message is received
     * @param location Grid square or location string
     */
    Q_SIGNAL void location(QString const &);

    /**
     * @brief Emitted when an error occurs
     * @param message Error message
     */
    Q_SIGNAL void error(QString const &) const;

    /** @} */

  private:
    class impl;
    pimpl<impl> m_;
};

#endif