/*
  Copyright 2013 Statoil ASA.

  This file is part of the Open Porous Media project (OPM).

  OPM 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.

  OPM 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 OPM.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <stdexcept>
#include <iostream>
#include <boost/filesystem.hpp>

#define BOOST_TEST_MODULE GroupTests
#include <boost/test/unit_test.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>

#include <opm/parser/eclipse/Deck/Deck.hpp>
#include <opm/parser/eclipse/Parser/Parser.hpp>
#include <opm/parser/eclipse/Parser/ParseContext.hpp>
#include <opm/parser/eclipse/EclipseState/Util/Value.hpp>
#include <opm/parser/eclipse/EclipseState/Grid/EclipseGrid.hpp>
#include <opm/parser/eclipse/EclipseState/Schedule/Schedule.hpp>
#include <opm/parser/eclipse/EclipseState/Schedule/Group/Group2.hpp>
#include <opm/parser/eclipse/EclipseState/Schedule/SummaryState.hpp>

#include <opm/parser/eclipse/EclipseState/Schedule/Well/WellProductionProperties.hpp>
#include <opm/parser/eclipse/EclipseState/Schedule/Well/WellInjectionProperties.hpp>

using namespace Opm;



BOOST_AUTO_TEST_CASE(CreateGroup_CorrectNameAndDefaultValues) {
    Opm::Group2 group("G1" , 1, 0, 0, UnitSystem::newMETRIC());
    BOOST_CHECK_EQUAL( "G1" , group.name() );
}


BOOST_AUTO_TEST_CASE(CreateGroupCreateTimeOK) {
    Opm::Group2 group("G1" , 1, 5, 0, UnitSystem::newMETRIC());
    BOOST_CHECK_EQUAL( false, group.defined( 4 ));
    BOOST_CHECK_EQUAL( true, group.defined( 5 ));
    BOOST_CHECK_EQUAL( true, group.defined( 6 ));
}



BOOST_AUTO_TEST_CASE(CreateGroup_SetInjectorProducer_CorrectStatusSet) {
    Opm::Group2 group1("IGROUP" , 1,  0, 0, UnitSystem::newMETRIC());
    Opm::Group2 group2("PGROUP" , 2,  0, 0, UnitSystem::newMETRIC());

    group1.setProductionGroup();
    BOOST_CHECK(group1.isProductionGroup());
    BOOST_CHECK(!group1.isInjectionGroup());

    group2.setInjectionGroup();
    BOOST_CHECK(!group2.isProductionGroup());
    BOOST_CHECK(group2.isInjectionGroup());
}



BOOST_AUTO_TEST_CASE(ControlModeOK) {
    Opm::Group2 group("G1" , 1, 0, 0, UnitSystem::newMETRIC());
    Opm::SummaryState st;
    const auto& prod = group.productionControls(st);
    BOOST_CHECK_EQUAL( Opm::GroupInjection::NONE , prod.cmode);
}



BOOST_AUTO_TEST_CASE(GroupChangePhaseSameTimeThrows) {
    Opm::Group2 group("G1" , 1, 0, 0, UnitSystem::newMETRIC());
    Opm::SummaryState st;
    const auto& inj = group.injectionControls(st);
    BOOST_CHECK_EQUAL( Opm::Phase::WATER , inj.phase); // Default phase - assumed WATER
}





BOOST_AUTO_TEST_CASE(GroupDoesNotHaveWell) {
    Opm::Group2 group("G1" , 1, 0, 0, UnitSystem::newMETRIC());

    BOOST_CHECK_EQUAL(false , group.hasWell("NO"));
    BOOST_CHECK_EQUAL(0U , group.numWells());
}




BOOST_AUTO_TEST_CASE(createDeckWithGEFAC) {
    Opm::Parser parser;
    std::string input =
            "START             -- 0 \n"
            "19 JUN 2007 / \n"
            "SCHEDULE\n"

	    "WELSPECS\n"
     	     " 'B-37T2' 'PRODUC'  9  9   1*     'OIL' 1*      1*  1*   1*  1*   1*  1*  / \n"
	     " 'B-43A'  'PRODUC'  8  8   1*     'OIL' 1*      1*  1*   1*  1*   1*  1*  / \n"
	     "/\n"

	     "COMPDAT\n"
	     " 'B-37T2'  9  9   1   1 'OPEN' 1*   32.948   0.311  3047.839 1*  1*  'X'  22.100 / \n"
             " 'B-43A'   8  8   2   2 'OPEN' 1*   46.825   0.311  4332.346 1*  1*  'X'  22.123 / \n"
	     "/\n"

            "GEFAC\n"
            " 'PRODUC' 0.85   / \n"
            "/\n";

    auto deck = parser.parseString(input);
    EclipseGrid grid(10,10,10);
    TableManager table ( deck );
    Eclipse3DProperties eclipseProperties ( deck , table, grid);
    Runspec runspec (deck );
    Opm::Schedule schedule(deck,  grid, eclipseProperties, runspec);

    auto group_names = schedule.groupNames("PRODUC");
    BOOST_CHECK_EQUAL(group_names.size(), 1);
    BOOST_CHECK_EQUAL(group_names[0], "PRODUC");

    const auto& group1 = schedule.getGroup2("PRODUC", 0);
    BOOST_CHECK_EQUAL(group1.getGroupEfficiencyFactor(), 0.85);
    BOOST_CHECK(group1.getTransferGroupEfficiencyFactor());
}



BOOST_AUTO_TEST_CASE(createDeckWithWGRUPCONandWCONPROD) {

    /* Test deck with well guide rates for group control:
       GRUPCON (well guide rates for group control)
       WCONPROD (conrol data for production wells) with GRUP control mode */

    Opm::Parser parser;
    std::string input =
            "START             -- 0 \n"
            "19 JUN 2007 / \n"
            "SCHEDULE\n"

	    "WELSPECS\n"
     	     " 'B-37T2' 'PRODUC'  9  9   1*     'OIL' 1*      1*  1*   1*  1*   1*  1*  / \n"
	     " 'B-43A'  'PRODUC'  8  8   1*     'OIL' 1*      1*  1*   1*  1*   1*  1*  / \n"
	     "/\n"

	     "COMPDAT\n"
	     " 'B-37T2'  9  9   1   1 'OPEN' 1*   32.948   0.311  3047.839 1*  1*  'X'  22.100 / \n"
             " 'B-43A'   8  8   2   2 'OPEN' 1*   46.825   0.311  4332.346 1*  1*  'X'  22.123 / \n"
	     "/\n"


             "WGRUPCON\n"
             " 'B-37T2'  YES 30 OIL / \n"
             " 'B-43A'   YES 30 OIL / \n"
             "/\n"

             "WCONPROD\n"
             " 'B-37T2'    'OPEN'     'GRUP'  1000  2*   2000.000  2* 1*   10 200000.000  5* /  / \n"
             " 'B-43A'     'OPEN'     'GRUP'  1200  2*   3000.000  2* 1*   11  0.000      5* /  / \n"
             "/\n";



    auto deck = parser.parseString(input);
    EclipseGrid grid(10,10,10);
    TableManager table ( deck );
    Eclipse3DProperties eclipseProperties ( deck , table, grid);
    Runspec runspec (deck );
    Opm::Schedule schedule(deck,  grid, eclipseProperties, runspec);
    const auto& currentWell = schedule.getWell2("B-37T2", 0);
    const Opm::WellProductionProperties& wellProductionProperties = currentWell.getProductionProperties();
    BOOST_CHECK_EQUAL(wellProductionProperties.controlMode, Opm::WellProducer::ControlModeEnum::GRUP);

    BOOST_CHECK_EQUAL(currentWell.isAvailableForGroupControl(), true);
    BOOST_CHECK_EQUAL(currentWell.getGuideRate(), 30);
    BOOST_CHECK_EQUAL(currentWell.getGuideRatePhase(), Opm::GuideRate::OIL);
    BOOST_CHECK_EQUAL(currentWell.getGuideRateScalingFactor(), 1.0);


}





BOOST_AUTO_TEST_CASE(createDeckWithGRUPNET) {
        Opm::Parser parser;
        std::string input =
        "START             -- 0 \n"
        "31 AUG 1993 / \n"
        "SCHEDULE\n"

        "GRUPNET \n"
        " 'FIELD'     20.000  5* / \n"
        " 'PROD'     20.000  5* / \n"
        " 'MANI-B2'  1*    8  1*        'NO'  2* / \n"
        " 'MANI-B1'  1*    8  1*        'NO'  2* / \n"
        " 'MANI-K1'  1* 9999  4* / \n"
        " 'B1-DUMMY'  1* 9999  4* / \n"
        " 'MANI-D1'  1*    8  1*        'NO'  2* / \n"
        " 'MANI-D2'  1*    8  1*        'NO'  2* / \n"
        " 'MANI-K2'  1* 9999  4* / \n"
        " 'D2-DUMMY'  1* 9999  4* / \n"
        " 'MANI-E1'  1*    9  1*        'NO'  2* / \n"
        " 'MANI-E2'  1*    9  4* / \n"
        "/\n";

        auto deck = parser.parseString(input);
        EclipseGrid grid(10,10,10);
        TableManager table ( deck );
        Eclipse3DProperties eclipseProperties ( deck , table, grid);
        Runspec runspec (deck );
        Opm::Schedule schedule(deck,  grid, eclipseProperties, runspec);

        const auto& group1 = schedule.getGroup2("PROD", 0);
        const auto& group2 = schedule.getGroup2("MANI-E2", 0);
        const auto& group3 = schedule.getGroup2("MANI-K1", 0);
        BOOST_CHECK_EQUAL(group1.getGroupNetVFPTable(), 0);
        BOOST_CHECK_EQUAL(group2.getGroupNetVFPTable(), 9);
        BOOST_CHECK_EQUAL(group3.getGroupNetVFPTable(), 9999);
}


BOOST_AUTO_TEST_CASE(Group2Create) {
    Opm::Group2 g1("NAME", 1, 1, 0, UnitSystem::newMETRIC());
    Opm::Group2 g2("NAME", 1, 1, 0, UnitSystem::newMETRIC());

    BOOST_CHECK( g1.addWell("W1") );
    BOOST_CHECK( !g1.addWell("W1") );
    BOOST_CHECK( g1.addWell("W2") );
    BOOST_CHECK( g1.hasWell("W1"));
    BOOST_CHECK( g1.hasWell("W2"));
    BOOST_CHECK( !g1.hasWell("W3"));
    BOOST_CHECK_EQUAL( g1.numWells(), 2);
    BOOST_CHECK_THROW(g1.delWell("W3"), std::invalid_argument);
    BOOST_CHECK_NO_THROW(g1.delWell("W1"));
    BOOST_CHECK_EQUAL( g1.numWells(), 1);


    BOOST_CHECK( g2.addGroup("G1") );
    BOOST_CHECK( !g2.addGroup("G1") );
    BOOST_CHECK( g2.addGroup("G2") );

    // The children must be either all wells - or all groups.
    BOOST_CHECK_THROW(g1.addGroup("G1"), std::logic_error);
    BOOST_CHECK_THROW(g2.addWell("W1"), std::logic_error);
}