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/*
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  Stockfish, a UCI chess playing engine derived from Glaurung 2.1
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  Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
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  Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
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  Copyright (C) 2015-2016 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
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  Stockfish is free software: you can redistribute it and/or modify
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  it under the terms of the GNU General Public License as published by
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  the Free Software Foundation, either version 3 of the License, or
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  (at your option) any later version.
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  Stockfish is distributed in the hope that it will be useful,
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  but WITHOUT ANY WARRANTY; without even the implied warranty of
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  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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  GNU General Public License for more details.
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  You should have received a copy of the GNU General Public License
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  along with this program.  If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef TIMEMAN_H_INCLUDED
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#define TIMEMAN_H_INCLUDED
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#include "misc.h"
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#include "search.h"
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#include "thread.h"
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/// The TimeManagement class computes the optimal time to think depending on
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/// the maximum available time, the game move number and other parameters.
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class TimeManagement {
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public:
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  void init(Search::LimitsType& limits, Color us, int ply);
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  int optimum() const { return optimumTime; }
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  int maximum() const { return maximumTime; }
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  int elapsed() const { return int(Search::Limits.npmsec ? Threads.nodes_searched() : now() - startTime); }
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  int64_t availableNodes; // When in 'nodes as time' mode
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private:
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  TimePoint startTime;
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  int optimumTime;
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  int maximumTime;
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};
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extern TimeManagement Time;
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#endif // #ifndef TIMEMAN_H_INCLUDED