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/*
 * Copyright (c) 2010-2016 Isode Limited.
 * All rights reserved.
 * See the COPYING file for more information.
 */

#pragma once

#include <map>
#include <memory>
#include <string>
#include <vector>

#include <boost/signals2.hpp>

#include <Swiften/Elements/DiscoInfo.h>
#include <Swiften/Elements/DiscoItems.h>
#include <Swiften/Elements/ErrorPayload.h>
#include <Swiften/JID/JID.h>

#include <Swift/Controllers/ProfileSettingsProvider.h>
#include <Swift/Controllers/UIEvents/UIEvent.h>

namespace Swift {
    class UIEventStream;
    class MUCSearchWindow;
    class MUCSearchWindowFactory;
    class IQRouter;
    class DiscoServiceWalker;
    class NickResolver;

    class MUCService {
        public:
            class MUCRoom {
                public:
                    MUCRoom(const std::string& node, const std::string& name, int occupants) : node_(node), name_(name), occupants_(occupants) {}
                    std::string getNode() {return node_;}
                    std::string getName() {return name_;}
                    int getOccupantCount() {return occupants_;}
                private:
                    std::string node_;
                    std::string name_;
                    int occupants_;
            };

            MUCService() {error_ = false; complete_ = false;}

            void setComplete(bool complete) {
                complete_ = complete;
            }

            void setName(const std::string& name) {
                name_ = name;
            }

            void setJID(const JID& jid) {
                jid_ = jid;
            }

            bool getComplete() const {
                return complete_;
            }

            JID getJID() const {
                return jid_;
            }

            std::string getName() const {
                return name_;
            }

            void setError(const std::string& errorText) {error_ = true; errorText_ = errorText;}

            void clearRooms() {rooms_.clear();}

            void addRoom(const MUCRoom& room) {rooms_.push_back(room);}

            std::vector<MUCRoom> getRooms() const {return rooms_;}
        private:
            std::string name_;
            JID jid_;
            std::vector<MUCRoom> rooms_;
            bool complete_;
            bool error_;
            std::string errorText_;
    };

    class MUCSearchController {
        public:
            MUCSearchController(const JID& jid, MUCSearchWindowFactory* mucSearchWindowFactory, IQRouter* iqRouter, ProfileSettingsProvider* settings);
            ~MUCSearchController();

            void openSearchWindow();

        public:
            boost::signals2::signal<void (const JID&)> onMUCSelected;

        private:
            void handleSearchService(const JID& jid);
            void handleRoomsItemsResponse(std::shared_ptr<DiscoItems> items, ErrorPayload::ref error, const JID& jid);
            void handleDiscoError(const JID& jid, ErrorPayload::ref error);
            void handleDiscoServiceFound(const JID&, std::shared_ptr<DiscoInfo>);
            void handleDiscoWalkFinished();
            void handleMUCSearchFinished(const boost::optional<JID>& result);
            void removeService(const JID& jid);
            void refreshView();
            void loadSavedServices();
            void addToSavedServices(const JID& jid);
            void updateInProgressness();

        private:
            JID jid_;
            MUCSearchWindowFactory* factory_;
            IQRouter* iqRouter_;
            ProfileSettingsProvider* settings_;
            MUCSearchWindow* window_;
            DiscoServiceWalker* walker_;
            std::list<JID> services_;
            std::list<JID> savedServices_;
            std::map<JID, MUCService> serviceDetails_;
            std::vector<DiscoServiceWalker*> walksInProgress_;
            int itemsInProgress_;
    };
}