/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Distributed under the Boost Software License, Version 1.0.
 * (See accompanying file LICENSE or copy at https://www.boost.org/LICENSE_1_0.txt)
 **********************************************************************/

#pragma once

#include <memory>
#include <QObject>
#include <QAction>
#include <interfaces/iinfo.h>
#include <interfaces/iplugin2.h>
#include <interfaces/iactionsexporter.h>
#include <interfaces/ihavetabs.h>
#include <interfaces/ihavesettings.h>
#include <interfaces/core/ihookproxy.h>
#include <interfaces/azoth/imessage.h>
#include <interfaces/azoth/ihistoryplugin.h>

namespace LC::Azoth
{
	class IProxyObject;
}

namespace LC::Azoth::ChatHistory
{
	class ChatHistoryWidget;
	class LoggingStateKeeper;
	class StorageThread;

	class Plugin final
		: public QObject
		, public IInfo
		, public IPlugin2
		, public IActionsExporter
		, public IHaveTabs
		, public IHaveSettings
		, public IHistoryPlugin
	{
		Q_OBJECT
		Q_INTERFACES (IInfo
				IPlugin2
				IActionsExporter
				IHaveTabs
				IHaveSettings
				LC::Azoth::IHistoryPlugin)

		LC_PLUGIN_METADATA ("org.LeechCraft.Azoth.ChatHistory")

		TabClassInfo TabClass_;

		Util::XmlSettingsDialog_ptr XSD_;

		std::unique_ptr<LoggingStateKeeper> LoggingStateKeeper_;
		std::unique_ptr<StorageThread> StorageThread_;
		QAction *ActionHistory_ = nullptr;
		QHash<QObject*, QAction*> Entry2ActionHistory_;
		QHash<QObject*, QAction*> Entry2ActionEnableHistory_;

		QAction *SeparatorAction_ = nullptr;

		IProxyObject *PluginProxy_ = nullptr;
	public:
		Plugin ();
		~Plugin ();

		void Init (ICoreProxy_ptr) override;
		void SecondInit () override;
		QByteArray GetUniqueID () const override;
		void Release () override;
		QString GetName () const override;
		QString GetInfo () const override;
		QIcon GetIcon () const override;

		// IPlugin2
		QSet<QByteArray> GetPluginClasses () const override;

		// IActionsExporter
		QList<QAction*> GetActions (ActionsEmbedPlace) const override;
		QMap<QString, QList<QAction*>> GetMenuActions () const override;

		// IHaveTabs
		TabClasses_t GetTabClasses () const override;
		void TabOpenRequested (const QByteArray&) override;

		// IHaveSettings
		Util::XmlSettingsDialog_ptr GetSettingsDialog () const override;

		// IHistoryPlugin
		bool IsHistoryEnabledFor (ICLEntry&) const override;
		Util::ContextTask<void> RequestLastMessages (ICLEntry&, int) override;
		Util::ContextTask<std::optional<QDateTime>> RequestMaxTimestamp (IAccount&) override;
		void AddMessages (const History::SomeEntryWithMessages&) override;
	private:
		void HandleHistoryRequested ();
		void HandleEntryHistoryRequested (ICLEntry*);
	public slots:
		void initPlugin (QObject*);

		void hookEntryActionAreasRequested (LC::IHookProxy_ptr proxy,
				QObject *action,
				QObject *entry);
		void hookEntryActionsRemoved (LC::IHookProxy_ptr proxy,
				QObject *entry);
		void hookEntryActionsRequested (LC::IHookProxy_ptr proxy,
				QObject *entryObj);
		void hookGotMessage2 (LC::IHookProxy_ptr proxy,
				QObject *msgObj);
	signals:
		void gotLastMessages (QObject*, const QList<QObject*>&) override;

		void gotActions (QList<QAction*>, LC::ActionsEmbedPlace) override;
	};
}
