// **************************************************************************
//
//  (C) Copyright 2009   Swiss SIMTEC AG
//
// **************************************************************************
//
//  $HeadURL$
//  $LastChangedBy$
//  $LastChangedDate$
//  $LastChangedRevision$
//
//  Implementation of the Class PrtCnvApplication
// **************************************************************************

#pragma once

#include <QObject>
#include "AppComponent.hpp"
#include "logger.h"
#include <nglsettings/nglsettings_settings.h>
#include <QtCore/QMutex>
#include <PrtCnv/prtcnvlib_export.h>
#include <TrainingAreaBase/training_area_telegrams.h>

/**
 * Here are all project specific classes of protocol-converter implemented.
 */
namespace PrtCnv
{
  class PrtCnvThreadStarter;
  /**
   * The main-application of protocol-converter. It is responsible for starting and
   * controlling the threads of this application.
   * 
   * @author alois.wismer
   * @version 1.0
   * @created 23-Jun-2009 17:48:47
   */
  class PRTCNVLIB_EXPORT PrtCnvApplication : public QObject, public N_AppComponent::AppComponent
  {
    Q_OBJECT
  public:

    /**
     * This enum will be used to unique identify the threads
     * 
     * @author alois.wismer
     * @version 1.0
     * @created 19-Jan-2010 17:09:00
     */
    enum E_ThreadId
    {
      e_Central,
      e_Radio,
      e_Db,
      e_Log,
      e_Injection,
      e_RadioTraffic,
      e_ThreadIdMax
    };
    PrtCnvApplication();
    ~PrtCnvApplication();

    /**
     * Starts the main-application
     */
    void startApp();
    void shutdownApp();
    static void setCleanDb(bool bCleanDb);
    void setExerciseId(int exerciseId);
    int exerciseId() const { return m_exerciseId; }
    void setConfigFile(const QString &configFile);

    /**
     * Starts the childs and then the main application
     */
    int32_t start() override;


    /**
     * Synchronisation of threads before init().
     * 
     * @param a_threadId    id of the calling thread
     */
    void waitForInit(E_ThreadId a_threadId);

    /**
     * Synchronisation of threads before start().
     * 
     * @param a_threadId    id of the calling thread
     */
    void waitForStart(E_ThreadId a_threadId);

    /**
     * Synchronisation of threads before create().
     * 
     * @param a_threadId    Id of the calling thread
     */
    void waitForCreate(const E_ThreadId a_threadId);

    /**
     * Synchronisation of threads before execution of thread.
     * 
     * @param a_threadId    id of the calling thread
     */
    void waitForExec(E_ThreadId a_threadId);

    /**
     * Returns the desired thread-starter
     * 
     * @param a_threadId    Id of the desired thread-started (corresponding thread has
     * the same id)
     */
    PrtCnvThreadStarter* getThreadStarter(const E_ThreadId a_threadId);

    /**
     * @brief Set the database connection parameter when used as library
     */
    void setDatabaseConnectionParams(const QString &driver,
                                     const QString &hostName,
                                     const QString &database,
                                     const QString &schemaName,
                                     const QString &userName,
                                     const QString &password);
    QString databaseDriver() const { return m_dbDriver; }
    QString databaseHostName() const { return m_dbHostName; }
    QString databaseName() const { return m_dbDatabaseName; }
    QString databaseSchemaName() const { return m_dbSchemaName; }
    QString databaseUserName() const { return m_dbUserName; }
    QString databasePassword() const { return m_dbPassword; }

public slots:
    void logWlsTelegram(const TrainingAreaBase::TetraIcd::TrainingAreaTelegram *tele, bool bIsSend);

signals:
    void textMessageFromPrtCnvToCentral(const QByteArray &ba);
    void textMessageFromCentralToPrtCnv(const QByteArray &ba);
    void outgoingBroadcastTelegramsRequest(int equipmentNumber, int broadcastIndex, int resetCounter);
    void warehouseMessageFromPtrCnv(const QByteArray &jsonData);
protected:
    /**
     * Creates the childs
     */
    int32_t createApplication();

    /**
      * Returns true when the specified thread is
      * already constructed
      */
    bool isConstructed(const E_ThreadId a_threadId) const;

    /**
      * The specifed thread is now constructed
      */
    void setConstructed(const E_ThreadId a_threadId);

    /**
      * Returns true when the specified thread is
      * already initialized
      */
    bool isInitialized(const E_ThreadId a_threadId) const;

    /**
      * The specifed thread is now initialized
      */
    void setInitialized(const E_ThreadId a_threadId);

    /**
      * Returns true when the specified thread is
      * already created
      */
    bool isCreated(const E_ThreadId a_threadId) const;

    /**
      * The specifed thread is now created
      */
    void setCreated(const E_ThreadId a_threadId);

    /**
      * Returns true when the specified thread is
      * already started
      */
    bool isStarted(const E_ThreadId a_threadId) const;

    /**
      * The specifed thread is now started
      */
    void setStarted(const E_ThreadId a_threadId);

protected:
    /**
     * Used to get configuration-parameter
     */
    NGL::Settings *m_Config;

    struct ThreadInfo
    {
      PrtCnvThreadStarter *thread = nullptr;
      bool isConstructed = false;
      bool isCreated = false;
      bool isInitialized = false;
      bool isStarted = false;
    } m_threadInfo[e_ThreadIdMax];
    /**
     * The name of the config-file
     */
    QString m_ConfigFileName;
    /**
      * The exerciseId (or zero if not set)
      */
    int m_exerciseId;

    /**
      * Access Mutex
      */
    mutable QMutex m_accessMutex;

    QString m_dbDriver;
    QString m_dbHostName;
    QString m_dbDatabaseName;
    QString m_dbSchemaName;
    QString m_dbUserName;
    QString m_dbPassword;

    NGL::INGLLogger &m_logger;
};

}