/**
 * SPDX-FileCopyrightText: 2018 Aleix Pol Gonzalez <aleixpol@kde.org>
 * SPDX-FileCopyrightText: 2018 Simon Redman <simon@ergotech.com>
 *
 * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 */

#ifndef CONVERSATIONMODEL_H
#define CONVERSATIONMODEL_H

#include <QStandardItemModel>
#include <QSet>

#include "interfaces/conversationmessage.h"
#include "interfaces/dbusinterfaces.h"
#include "thumbnailsprovider.h"

#define INVALID_THREAD_ID -1

class ConversationModel
    : public QStandardItemModel
{
    Q_OBJECT
    Q_PROPERTY(qint64 threadId READ threadId WRITE setThreadId)
    Q_PROPERTY(QString deviceId READ deviceId WRITE setDeviceId)
    Q_PROPERTY(QList<ConversationAddress> addressList READ addressList WRITE setAddressList)

public:
    ConversationModel(QObject* parent = nullptr);
    ~ConversationModel();

    enum Roles {
        FromMeRole = Qt::UserRole,
        SenderRole,     // The sender of the message. Undefined if this is an outgoing message
        DateRole,
        AvatarRole,     // URI to the avatar of the sender of the message. Undefined if outgoing.
        AttachmentsRole, // The list of attachments. Undefined if there is no attachment in a message
    };

    Q_ENUM(Roles)

    qint64 threadId() const;
    void setThreadId(const qint64& threadId);

    QString deviceId() const { return m_deviceId; }
    void setDeviceId(const QString &/*deviceId*/);

    QList<ConversationAddress> addressList() const { return m_addressList; }
    void setAddressList(const QList<ConversationAddress>& addressList);

    Q_INVOKABLE void sendReplyToConversation(const QString& message);
    Q_INVOKABLE void startNewConversation(const QString& message, const QList<ConversationAddress>& addressList);
    Q_INVOKABLE void requestMoreMessages(const quint32& howMany = 10);

    Q_INVOKABLE QString getCharCountInfo(const QString& message) const;

    Q_INVOKABLE void requestAttachmentPath(const qint64& partID, const QString& UniqueIdentifier);

Q_SIGNALS:
    void loadingFinished();
    void filePathReceived(QString filePath, QString fileName);

private Q_SLOTS:
    void handleConversationUpdate(const QDBusVariant &message);
    void handleConversationLoaded(qint64 threadID, quint64 numMessages);
    void handleConversationCreated(const QDBusVariant &message);

private:
    void createRowFromMessage(const ConversationMessage &message, int pos);

    DeviceConversationsDbusInterface* m_conversationsInterface;
    ThumbnailsProvider* m_thumbnailsProvider;
    QString m_deviceId;
    qint64 m_threadId = INVALID_THREAD_ID;
    QList<ConversationAddress> m_addressList;
    QSet<qint32> knownMessageIDs; // Set of known Message uIDs
};

#endif // CONVERSATIONMODEL_H