/*!
 * Copyright (C) 2020 by Savoir-faire Linux
 * Author: Mingrui Zhang   <mingrui.zhang@savoirfairelinux.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#include "lrcinstance.h"
#include "qmladapterbase.h"
#include "api/chatview.h"

#include <QObject>
#include <QString>

class AppSettingsManager;

class MessagesAdapter final : public QmlAdapterBase
{
    Q_OBJECT
    Q_PROPERTY(QVariantMap chatviewTranslatedStrings MEMBER chatviewTranslatedStrings_ CONSTANT)

public:
    explicit MessagesAdapter(AppSettingsManager* settingsManager,
                             LRCInstance* instance,
                             QObject* parent = nullptr);
    ~MessagesAdapter() = default;

protected:
    void safeInit() override;

    Q_INVOKABLE void setupChatView(const QString& convUid);
    Q_INVOKABLE void connectConversationModel();
    Q_INVOKABLE void sendContactRequest();
    Q_INVOKABLE void updateConversationForAddedContact();
    Q_INVOKABLE void removeConversation(const QString& accountId,
                                        const QString& convUid,
                                        bool banContact = false);
    Q_INVOKABLE void clearConversationHistory(const QString& accountId, const QString& convUid);

    // JS Q_INVOKABLE.
    Q_INVOKABLE void acceptInvitation(const QString& convUid = "");
    Q_INVOKABLE void refuseInvitation(const QString& convUid = "");
    Q_INVOKABLE void blockConversation(const QString& convUid = "");
    Q_INVOKABLE void setNewMessagesContent(const QString& path);
    Q_INVOKABLE void setDisplayLinks();
    Q_INVOKABLE void sendMessage(const QString& message);
    Q_INVOKABLE void sendImage(const QString& message);
    Q_INVOKABLE void sendFile(const QString& message);
    Q_INVOKABLE void retryInteraction(const QString& interactionId);
    Q_INVOKABLE void deleteInteraction(const QString& interactionId);
    Q_INVOKABLE void openUrl(const QString& url);
    Q_INVOKABLE void openFile(const QString& arg);
    Q_INVOKABLE void acceptFile(const QString& arg);
    Q_INVOKABLE void refuseFile(const QString& arg);
    Q_INVOKABLE void pasteKeyDetected();
    Q_INVOKABLE void onComposing(bool isComposing);
    Q_INVOKABLE void loadMessages(int n);

    // Manually update draft when hiding message web view (Back to welcome page).
    Q_INVOKABLE void updateDraft();

    // Run corrsponding js functions, c++ to qml.
    void setMessagesVisibility(bool visible);
    void requestSendMessageContent();
    void setInvitation(bool show,
                       const QString& contactUri = {},
                       const QString& contactId = {},
                       bool isSwarm = false,
                       bool needsSyncing = false);
    void setIsSwarm(bool isSwarm);
    void clear();
    void printHistory(ConversationModel& conversationModel, MessagesList interactions);
    void updateHistory(ConversationModel& conversationModel,
                       MessagesList interactions,
                       bool allLoaded);
    void setSenderImage(const QString& sender, const QString& senderImage);
    void printNewInteraction(lrc::api::ConversationModel& conversationModel,
                             const QString& msgId,
                             const lrc::api::interaction::Info& interaction);
    void updateInteraction(lrc::api::ConversationModel& conversationModel,
                           const QString& msgId,
                           const lrc::api::interaction::Info& interaction);
    void setMessagesImageContent(const QString& path, bool isBased64 = false);
    void setMessagesFileContent(const QString& path);
    void removeInteraction(const QString& interactionId);
    void setSendMessageContent(const QString& content);
    void contactIsComposing(const QString& convUid, const QString& contactUri, bool isComposing);

Q_SIGNALS:
    void contactBanned();
    void navigateToWelcomePageRequested();
    void invitationAccepted();
    void newInteraction(int type);

public Q_SLOTS:
    void slotSendMessageContentSaved(const QString& content);
    void slotUpdateDraft(const QString& content);
    void slotMessagesCleared();
    void slotMessagesLoaded();

private:
    void setConversationProfileData(const lrc::api::conversation::Info& convInfo);
    void newInteraction(const QString& accountId,
                        const QString& convUid,
                        const QString& interactionId,
                        const interaction::Info& interaction);

    QString LastConvUid_;
    QString currentConvUid_;

    const QVariantMap chatviewTranslatedStrings_ {lrc::api::chatview::getTranslatedStrings()};

    // Interaction connections.
    QMetaObject::Connection newInteractionConnection_;
    QMetaObject::Connection interactionStatusUpdatedConnection_;
    QMetaObject::Connection interactionRemovedConnection_;
    QMetaObject::Connection newMessagesAvailableConnection_;

    AppSettingsManager* settingsManager_;
};