#pragma once

// hyperion includes
#include <utils/Logger.h>
#include <utils/Components.h>
#include <hyperion/Hyperion.h>
#include <hyperion/HyperionIManager.h>
// auth manager
#include <hyperion/AuthManager.h>

#include <utils/ColorRgb.h>
#include <utils/ColorSys.h>

// qt includes
#include <QString>

class QTimer;
class JsonCB;
class HyperionIManager;

const QString NO_AUTH = "No Authorization";

///
/// @brief API for Hyperion to be inherted from a child class with specific protocol implementations
/// Workflow:
/// 1. create the class
/// 2. connect the forceClose signal, as the api might to close the connection for security reasons
/// 3. call Initialize()
/// 4. proceed as usual
///

class API : public QObject
{
    Q_OBJECT

public:
#include <api/apiStructs.h>
    // workaround Q_ARG std::map template issues
    typedef std::map<int, registerData> MapRegister;
    typedef QMap<QString, AuthManager::AuthDefinition> MapAuthDefs;

    ///
    /// Constructor
    ///
    ///@ param The parent Logger
    /// @param localConnection Is this a local network connection? Use utils/NetOrigin to check that
    /// @param parent          Parent QObject
    ///
    API(Logger *log, bool localConnection, QObject *parent);

protected:
    ///
    /// @brief Initialize the API
    /// This call is REQUIRED!
    ///
    void init();

    ///
    /// @brief Set a single color
    /// @param[in] priority The priority of the written color
    /// @param[in] ledColor The color to write to the leds
    /// @param[in] timeout_ms The time the leds are set to the given color [ms]
    /// @param[in] origin   The setter
    ///
    void setColor(int priority, const std::vector<uint8_t> &ledColors, int timeout_ms = -1, const QString &origin = "API", hyperion::Components callerComp = hyperion::COMP_INVALID);

    ///
    /// @brief Set a image
    /// @param[in]  data      The command data
    /// @param[in]  comp      The component that should be used
    /// @param[out] replyMsg  The replyMsg on failure
    /// @param      callerComp The HYPERION COMPONENT that calls this function! e.g. PROT/FLATBUF
    /// @return True on success
    ///
    bool setImage(ImageCmdData &data, hyperion::Components comp, QString &replyMsg, hyperion::Components callerComp = hyperion::COMP_INVALID);

    ///
    /// @brief Clear a priority in the Muxer, if -1 all priorities are cleared
    /// @param priority   The priority to clear
    /// @param replyMsg   the message on failure
    /// @param callerComp The HYPERION COMPONENT that calls this function! e.g. PROT/FLATBUF
    /// @return  True on success
    ///
    bool clearPriority(int priority, QString &replyMsg, hyperion::Components callerComp = hyperion::COMP_INVALID);

    ///
    /// @brief Set a new component state
    /// @param comp       The component name
    /// @param compState  The new state of the comp
    /// @param replyMsg   The reply on failure
    /// @param callerComp The HYPERION COMPONENT that calls this function! e.g. PROT/FLATBUF
    /// @ return True on success
    ///
    bool setComponentState(const QString &comp, bool &compState, QString &replyMsg, hyperion::Components callerComp = hyperion::COMP_INVALID);

    ///
    /// @brief Set a ledToImageMapping type
    /// @param type       mapping type string
    /// @param callerComp The HYPERION COMPONENT that calls this function! e.g. PROT/FLATBUF
    ///
    void setLedMappingType(int type, hyperion::Components callerComp = hyperion::COMP_INVALID);

    ///
    /// @brief Set the 2D/3D modes type
    /// @param mode       The VideoMode
    /// @param callerComp The HYPERION COMPONENT that calls this function! e.g. PROT/FLATBUF
    ///
    void setVideoMode(VideoMode mode, hyperion::Components callerComp = hyperion::COMP_INVALID);

    ///
    /// @brief Set an effect
    /// @param dat        The effect data
    /// @param callerComp The HYPERION COMPONENT that calls this function! e.g. PROT/FLATBUF
    /// REQUIRED dat fields: effectName, priority, duration, origin
	/// @return  True on success else false
    ///
    bool setEffect(const EffectCmdData &dat, hyperion::Components callerComp = hyperion::COMP_INVALID);

    ///
    /// @brief Set source auto select enabled or disabled
    /// @param sate       The new state
    /// @param callerComp The HYPERION COMPONENT that calls this function! e.g. PROT/FLATBUF
    ///
    void setSourceAutoSelect(bool state, hyperion::Components callerComp = hyperion::COMP_INVALID);

    ///
    /// @brief Set the visible priority to given priority
    /// @param priority   The priority to set
    /// @param callerComp The HYPERION COMPONENT that calls this function! e.g. PROT/FLATBUF
    ///
    void setVisiblePriority(int priority, hyperion::Components callerComp = hyperion::COMP_INVALID);

    ///
    /// @brief Register a input or update the meta data of a previous register call
    /// ATTENTION: Check unregisterInput() method description !!!
    /// @param[in] priority    The priority of the channel
    /// @param[in] component   The component of the channel
    /// @param[in] origin      Who set the channel (CustomString@IP)
    /// @param[in] owner       Specific owner string, might be empty
    /// @param[in] callerComp  The component that call this (e.g. PROTO/FLAT)
    ///
    void registerInput(int priority, hyperion::Components component, const QString &origin, const QString &owner, hyperion::Components callerComp);

    ///
    /// @brief Revoke a registerInput() call by priority. We maintain all registered priorities in this scope
    /// ATTENTION: This is MANDATORY if you change (priority change) or stop(clear/timeout) DURING lifetime. If this class destructs it's not needed
    /// @param priority  The priority to unregister
    ///
    void unregisterInput(int priority);

    ///
    /// @brief Handle the instance switching
    /// @param inst  The requested instance
    /// @return True on success else false
    ///
    bool setHyperionInstance(quint8 inst);

    ///
    /// @brief Get all contrable components and their state
    ///
    std::map<hyperion::Components, bool> getAllComponents();

    ///
    /// @brief Check if Hyperion ist enabled
    /// @return True when enabled else false
    ///
    bool isHyperionEnabled();

    ///
    /// @brief Get all instances data
    /// @return The instance data
    ///
    QVector<QVariantMap> getAllInstanceData();

    ///
    /// @brief Start instance
    /// @param index  The instance index
    /// @param tan    The tan
    /// @return  True on success else false
    ///
    bool startInstance(quint8 index, int tan = 0);

    ///
    /// @brief Stop instance
    /// @param index  The instance index
    ///
    void stopInstance(quint8 index);

    //////////////////////////////////
    /// AUTH / ADMINISTRATION METHODS
    //////////////////////////////////

    ///
    /// @brief Delete instance. Requires ADMIN ACCESS
    /// @param index  The instance index
    /// @param replyMsg The reply Msg
    /// @return False with reply
    ///
    bool deleteInstance(quint8 index, QString &replyMsg);

    ///
    /// @brief Create instance. Requires ADMIN ACCESS
    /// @param name  With given name
    /// @return False with reply
    ///
    QString createInstance(const QString &name);

    ///
    /// @brief Rename an instance. Requires ADMIN ACCESS
    /// @param index The instance index
    /// @param name  With given name
    /// @return False with reply
    ///
    QString setInstanceName(quint8 index, const QString &name);

    ///
    /// @brief Delete an effect. Requires ADMIN ACCESS
    /// @param name The effect name
    /// @return  True on success else false
    ///
    QString deleteEffect(const QString &name);

    ///
    /// @brief Delete an effect. Requires ADMIN ACCESS
    /// @param name The effect name
    /// @return  True on success else false
    ///
    QString saveEffect(const QJsonObject &data);

    ///
    /// @brief Save settings object. Requires ADMIN ACCESS
    /// @param data  The data object
    ///
	bool saveSettings(const QJsonObject &data);

	///
	/// @brief Restore settings object. Requires ADMIN ACCESS
	/// @param data  The data object
	///
	bool restoreSettings(const QJsonObject &data);

    ///
    /// @brief Test if we are authorized to use the interface
    /// @return The result
    ///
    bool isAuthorized() { return _authorized; };

    ///
    /// @brief Test if we are authorized to use the admin interface
    /// @return The result
    ///
    bool isAdminAuthorized() { return _adminAuthorized; };

    ///
    /// @brief Update the Password of Hyperion. Requires ADMIN ACCESS
    /// @param password    Old password
    /// @param newPassword New password
    /// @return True on success else false
    ///
    bool updateHyperionPassword(const QString &password, const QString &newPassword);

    ///
    /// @brief Get a new token from AuthManager. Requires ADMIN ACCESS
    /// @param comment   The comment of the request
    /// @param def       The final definition
    /// @return Empty string on success else error message
    ///
    QString createToken(const QString &comment, AuthManager::AuthDefinition &def);

    ///
    /// @brief Rename a token by given id. Requires ADMIN ACCESS
    /// @param id  The id of the token
    /// @param comment The new comment
    /// @return Empty string on success else error message
    ///
    QString renameToken(const QString &id, const QString &comment);

    ///
    /// @brief Delete a token by given id. Requires ADMIN ACCESS
    /// @param id  The id of the token
    /// @return Empty string on success else error message
    ///
    QString deleteToken(const QString &id);

    ///
    /// @brief Set a new token request
    /// @param comment  The comment
    /// @param id       The id
	/// @param tan      The tan
    ///
    void setNewTokenRequest(const QString &comment, const QString &id, const int &tan);

    ///
    /// @brief Cancel new token request
    /// @param comment  The comment
    /// @param id       The id
    ///
    void cancelNewTokenRequest(const QString &comment, const QString &id);

    ///
    /// @brief Handle a pending token request. Requires ADMIN ACCESS
    /// @param id     The id fo the request
    /// @param accept True when it should be accepted, else false
    /// @return True on success
    bool handlePendingTokenRequest(const QString &id, bool accept);

    ///
    /// @brief Get the current List of Tokens. Requires ADMIN ACCESS
    /// @param def returns the defintions
    /// @return True on success
    ///
    bool getTokenList(QVector<AuthManager::AuthDefinition> &def);

    ///
    /// @brief Get all current pending token requests. Requires ADMIN ACCESS
    /// @return True on success
    ///
    bool getPendingTokenRequests(QVector<AuthManager::AuthDefinition> &map);

    ///
    /// @brief Is User Token Authorized. On success this will grant acces to API and ADMIN API
    /// @param userToken   The user Token
    /// @return True on succes
    ///
    bool isUserTokenAuthorized(const QString &userToken);

    ///
    /// @brief Get the current User Token (session token). Requires ADMIN ACCESS
    /// @param userToken   The user Token
    /// @return True on success
    ///
    bool getUserToken(QString &userToken);

    ///
    /// @brief Is a token authrized. On success this will grant acces to the API (NOT ADMIN API)
    /// @param token   The user Token
    /// @return True on succes
    ///
    bool isTokenAuthorized(const QString &token);

    ///
    /// @brief Is User authorized. On success this will grant acces to the API and ADMIN API
    /// @param password  The password of the User
    /// @return True if authorized
    ///
    bool isUserAuthorized(const QString &password);

    ///
    /// @brief Test if Hyperion has the default PW
    /// @return The result
    ///
    bool hasHyperionDefaultPw();

    ///
    /// @brief Logout revokes all authorizations
    ///
    void logout();

    /// Reflect auth status of this client
    bool _authorized;
    bool _adminAuthorized;

    /// Is this a local connection
    bool _localConnection;

    AuthManager *_authManager;
    HyperionIManager *_instanceManager;

    Logger *_log;
    Hyperion *_hyperion;

signals:
    ///
    /// @brief The API might decide to block connections for security reasons, this emitter should close the socket
    ///
    void forceClose();

    ///
    /// @brief Emits whenever a new Token request is pending. This signal is just active when ADMIN ACCESS has been granted
    /// @param id      The id of the request
    /// @param comment The comment of the request; If the commen is EMPTY the request has been revoked by the caller. So remove it from the pending list
    ///
    void onPendingTokenRequest(const QString &id, const QString &comment);

    ///
    /// @brief Handle emits from AuthManager of accepted/denied/timeouts token request, just if QObject matches with this instance it will emit.
    /// @param  success If true the request was accepted else false and no token was created
    /// @param  token   The new token that is now valid
    /// @param  comment The comment that was part of the request
    /// @param  id      The id that was part of the request
    /// @param  tan     The tan that was part of the request
    ///
    void onTokenResponse(bool success, const QString &token, const QString &comment, const QString &id, const int &tan);

    ///
    /// @brief Handle emits from HyperionIManager of startInstance request, just if QObject matches with this instance it will emit.
    /// @param  tan     The tan that was part of the request
    ///
    void onStartInstanceResponse(const int &tan);

private slots:
    ///
    /// @brief Is called whenever a Hyperion instance wants the current register list
    /// @param callerInstance  The instance should be returned in the answer call
    ///
    void requestActiveRegister(QObject *callerInstance);

private:
    void stopDataConnectionss();

    // Contains all active register call data
    std::map<int, registerData> _activeRegisters;

    // current instance index
    quint8 _currInstanceIndex;
};
