//////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2004-2021 musikcube team
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//////////////////////////////////////////////////////////////////////////////

#pragma once

#include <musikcore/config.h>
#include <musikcore/db/Connection.h>

#include <musikcore/library/ILibrary.h>
#include <musikcore/library/IIndexer.h>
#include <musikcore/library/IQuery.h>
#include <musikcore/library/QueryBase.h>

#include <mutex>

#include <sigslot/sigslot.h>

namespace musik { namespace core { namespace library {

    class MasterLibrary: public ILibrary, public sigslot::has_slots<> {
        public:
            sigslot::signal2<ILibraryPtr, ILibraryPtr> LibraryChanged;

            MasterLibrary();
            virtual ~MasterLibrary();

            int Enqueue(QueryPtr query, Callback cb = Callback()) override;
            int EnqueueAndWait(QueryPtr query, size_t timeoutMs = kWaitIndefinite, Callback cb = Callback()) override;
            musik::core::IIndexer *Indexer() override;
            int Id() override;
            const std::string& Name() override;
            void SetMessageQueue(musik::core::runtime::IMessageQueue& queue) override;
            musik::core::runtime::IMessageQueue& GetMessageQueue() override;
            IResourceLocator& GetResourceLocator() override;
            bool IsConfigured() override;
            ConnectionState GetConnectionState() const override;
            Type GetType() const override;
            void Close() override;

            ILibraryPtr Wrapped() const noexcept { return this->wrappedLibrary; }

            void LoadDefaultLibrary();

        private:

            void OnQueryCompleted(musik::core::db::IQuery* query);
            void OnConectionStateChanged(ConnectionState state);

            ILibraryPtr wrappedLibrary;
            mutable std::recursive_mutex libraryMutex;
    };

} } }
