/* Copyright (C) 2014 InfiniDB, Inc.

   This program 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; version 2 of
   the License.

   This program 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 this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
   MA 02110-1301, USA. */

#include <string>
#include <stdexcept>
#include <typeinfo>
using namespace std;

#include <cppunit/extensions/HelperMacros.h>

#include <sstream>
#include <exception>
#include <iostream>
#include <unistd.h>

#include "messagequeue.h"
#include "bytestream.h"
using namespace messageqcpp;

#include "calpontselectexecutionplan.h"
#include "simplefilter.h"
#include "simplecolumn.h"
#include "expressionparser.h"
#include "constantcolumn.h"
#include "treenode.h"
#include "operator.h"
#include "arithmeticcolumn.h"
#include "aggregatecolumn.h"
#include "selectfilter.h"

extern "C" char* cplus_demangle_with_style(const char*, int, int);
extern "C" void init_demangler(int, int, int);

using namespace execplan;

class ExecPlanTest : public CppUnit::TestFixture
{
  CPPUNIT_TEST_SUITE(ExecPlanTest);

  CPPUNIT_TEST(selectExecutionPlan_15);

  CPPUNIT_TEST_SUITE_END();

 private:
 public:
  static void walkfnString(const ParseTree* n)
  {
    char* r;
    static bool is_init = false;
    const char* mname = typeid(*(n->data())).name();

    if (!is_init)
    {
      ::init_demangler(0, 0, 0);
      is_init = true;
    }

    r = ::cplus_demangle_with_style(mname, 7, 27);

    if (r != 0)
    {
      // cout << "mangle: " << mname << " demangle: " << r << endl;
      ::free(r);
    }

    if (typeid(*(n->data())) == typeid(SimpleFilter))
    {
      cout << "SimpleFilter: " << endl;
      const SimpleFilter* sf = dynamic_cast<SimpleFilter*>(n->data());
      const ReturnedColumn* lhs = sf->lhs();
      const ReturnedColumn* rhs = sf->rhs();
      const Operator* op = sf->op();
      cout << '\t' << lhs->data() << ' ' << op->data() << ' ' << rhs->data();
      cout << endl << "\t\t";

      if (typeid(*lhs) == typeid(SimpleColumn))
      {
        cout << "SimpleColumn: " << lhs->data() << " / ";
      }
      else if (typeid(*lhs) == typeid(ConstantColumn))
      {
        cout << "ConstantColumn: " << lhs->data() << " / ";
      }
      else
      {
        cout << "UNK: " << lhs->data() << " / ";
      }

      cout << "Operator: " << op->data() << " / ";

      if (typeid(*rhs) == typeid(SimpleColumn))
      {
        cout << "SimpleColumn: " << rhs->data();
      }
      else if (typeid(*rhs) == typeid(ConstantColumn))
      {
        cout << "ConstantColumn: " << rhs->data();
      }
      else
      {
        cout << "UNK: " << rhs->data();
      }
    }
    else if (typeid(*(n->data())) == typeid(Operator))
    {
      cout << "Operator: ";
      const Operator* op = dynamic_cast<Operator*>(n->data());
      cout << '\t' << op->data();
    }
    else
    {
      cout << mname << " -x-: ";
    }

    cout << endl;
  }

  void setUp()
  {
  }

  void tearDown()
  {
  }

  void selectExecutionPlan_15()
  {
    cout << "SQL: \
create view revenue:s (supplier_no, total_revenue) as \
	select \
		l_suppkey, \
		sum(l_extendedprice * (1 - l_discount)) \
	from \
		lineitem \
	where \
		l_shipdate >= date ':1' \
		and l_shipdate < date ':1' + interval '3' month \
	group by \
		l_suppkey; \
 \
select \
	s_suppkey, \
	s_name, \
	s_address, \
	s_phone, \
	total_revenue \
from \
	supplier, \
	revenue:s \
where \
	s_suppkey = supplier_no \
	and total_revenue = ( \
		select \
			max(total_revenue) \
		from \
			revenue:s \
	) \
order by \
	s_suppkey; \
 \
drop view revenue:s; \
  " << endl;

    /* ------------The create view statement is being re-written as an inline view  ----- */
    /* ------------ (dynamic table) to be used in a from cluase.                    ----- */

    CalpontSelectExecutionPlan* csep = new CalpontSelectExecutionPlan();
    CalpontSelectExecutionPlan::ReturnedColumnList colList;
    CalpontSelectExecutionPlan::GroupByColumnList groupbyList;
    CalpontSelectExecutionPlan::OrderByColumnList orderbyList;
    ParseTree* filterList;

    // returned columns
    // SimpleColumn l_suppkey("tpch.lineitem.l_suppkey");
    SimpleColumn* l_suppkey = new SimpleColumn("tpch.lineitem.l_suppkey");
    AggregateColumn* total_revenue = new AggregateColumn();
    total_revenue->functionName("sum");
    total_revenue->alias("total_revenue");
    ArithmeticColumn* a1 = new ArithmeticColumn("l_extenedprice * (1 - l_discount)");
    total_revenue->functionParms(a1);

    // Create the Projection
    colList.push_back(l_suppkey);
    colList.push_back(total_revenue);

    // Filter columns
    SimpleColumn l_shipdate("tpch.lineitem.l_shipdate");
    // SimpleColumn l_shipmode0("tpch.lineitem.l_shipmode");
    // SimpleColumn l_shipmode1("tpch.lineitem.l_shipmode");
    // SimpleColumn l_commitdate("tpch.lineitem.l_commitdate");
    // SimpleColumn l_receiptdate("tpch.lineitem.l_receiptdate");
    // SimpleColumn l_receiptdate1("tpch.lineitem.l_receiptdate");

    // filters
    CalpontSelectExecutionPlan::Parser parser;
    std::vector<Token> tokens;

    // tokens.push_back(Token(new Operator("(")));
    // tokens.push_back(Token(new Operator(")")));

    tokens.push_back(Token(new SimpleFilter(new Operator(">="), new SimpleColumn(l_shipdate),
                                            new ConstantColumn("06/01/2005"))));

    tokens.push_back(Token(new Operator("and")));

    tokens.push_back(Token(
        new SimpleFilter(new Operator("<"), new SimpleColumn(l_shipdate), new ConstantColumn("07/01/2005"))));

    // old below
    filterList = parser.parse(tokens.begin(), tokens.end());

    // draw filterList tree
    filterList->drawTree("selectExecutionPlan_15sub.dot");

    // Build Group By List
    SimpleColumn* l_suppkey2 = new SimpleColumn("tpch.lineitem.l_suppkey");
    groupbyList.push_back(l_suppkey2);

    // calpont execution plan
    csep->returnedCols(colList);
    csep->filters(filterList);

    csep->location(CalpontSelectExecutionPlan::FROM);  // Use scope resolution to use enum.

    cout << "\nCalpont Execution Plan:" << endl;
    cout << *csep << endl;
    cout << " --- end of test 15 ---" << endl;

    /*  ------ This is the begining of the outer query  ---------------------- */
    /*  ------ This is the begining of the outer query  ---------------------- */

    CalpontSelectExecutionPlan* csep_parent = new CalpontSelectExecutionPlan();
    cout << "********* I'm ok to here 01 ***************" << endl;
    CalpontSelectExecutionPlan::ReturnedColumnList colList2;
    CalpontSelectExecutionPlan::GroupByColumnList groupbyList2;
    cout << "********* I'm ok to here 02 ***************" << endl;
    CalpontSelectExecutionPlan::OrderByColumnList orderbyList2;
    CalpontSelectExecutionPlan::SelectList subSelectList2;
    //`ParseTree* filterList2;

    cout << "********* I'm ok to here 1 ***************" << endl;
    // returned columns
    SimpleColumn* s_suppkey = new SimpleColumn("tpch.supplier.s_suppkey");
    SimpleColumn* s_name = new SimpleColumn("tpch.supplier.s_name");
    SimpleColumn* s_address = new SimpleColumn("tpch.supplier.s_address");
    SimpleColumn* s_phone = new SimpleColumn("tpch.supplier.s_phone");
    cout << "********* I'm ok to here 1a ***************" << endl;
    AggregateColumn* s_total_revenue = new AggregateColumn();
    cout << "********* I'm ok to here 1b ***************" << endl;
    s_total_revenue->functionName("sum");
    ArithmeticColumn* a5 = new ArithmeticColumn("o_orderpriority = '2-HIGH' THEN 1 ELSE 0  END )");
    cout << "********* I'm ok to here 1c ***************" << endl;
    s_total_revenue->functionParms(a5);

    // Create the Projection
    cout << "********* I'm ok to here 1d ***************" << endl;
    colList2.push_back(s_suppkey);
    colList2.push_back(s_name);
    colList2.push_back(s_address);
    colList2.push_back(s_phone);
    colList2.push_back(s_total_revenue);
    cout << "********* I'm ok to here 1e ***************" << endl;

    /*  ------ This is the begining of the query filter ---------------------- */
    /*  ------ This is the begining of the query filter ---------------------- */

    // std::vector<Token> tokens_n;
    CalpontSelectExecutionPlan::FilterTokenList regFilterTokenList;
    SimpleFilter* f1 = new SimpleFilter(new Operator("="), new SimpleColumn("tpch.supplier.s_suppkey"),
                                        new SimpleColumn("tpch.supplier.s_supplier_no"));

    regFilterTokenList.push_back(f1);
    regFilterTokenList.push_back(new Operator("and"));

    cout << "********* I'm ok to here 1 ***************" << endl;
    // Sub select filter
    CalpontSelectExecutionPlan* subcsep = new CalpontSelectExecutionPlan(CalpontSelectExecutionPlan::WHERE);

    // subselect return column(s)
    CalpontSelectExecutionPlan::ReturnedColumnList subColList;

    ArithmeticColumn* sc1 = new ArithmeticColumn("max(total_revenue)");
    // CalpontSelectExecutionPlan::SelectList  subSelectList;

    subColList.push_back(sc1);
    subcsep->returnedCols(subColList);
    cout << "********* I'm ok to here 2 ***************" << endl;

    // subselect Filters
    // CalpontSelectExecutionPlan::FilterTokenList subFilterTokenList;
    SelectFilter* f2 =
        new SelectFilter(new SimpleColumn("tpch.revenue.total_revenue"), new Operator("="), subcsep);

    regFilterTokenList.push_back(f2);

    cout << "********* I'm ok to here 3 ***************" << endl;
    // Filter columns
    // SimpleColumn l_shipmode0("tpch.lineitem.l_shipmode");
    // ***  Already creted via regFilterTokenList object ****

    // filters
    // CalpontSelectExecutionPlan::Parser parser;
    // std::vector<Token> tokens;
    // ***  Already creted via regFilterTokenList object ****

    // tokens.push_back(Token(new Operator("(")));
    // tokens.push_back(Token(new Operator(")")));

    // tokens.push_back(Token(new SimpleFilter(new Operator("="),
    //			new SimpleColumn(l_shipmode),
    //			new ConstantColumn("1"))));

    // tokens.push_back(Token(new Operator("and")));

    // tokens.push_back(Token(new SimpleFilter(new Operator("="),
    //			new SimpleColumn(l_shipmode),
    //			new ConstantColumn("2"))));

    // old below
    // filterList = parser.parse(tokens.begin(), tokens.end());

    // draw filterList tree
    // filterList->drawTree("selectExecutionPlan_15n.dot");

    // Build Group By List
    // SimpleColumn *l_shipmode2 = new SimpleColumn("tpch.lineitem.l_shipmode");
    // groupbyList.push_back(l_shipmode2);

    // Build Order By List
    SimpleColumn* s_suppkey3 = new SimpleColumn("tpch.supplier.s_suppkey");
    orderbyList.push_back(s_suppkey3);

    // calpont execution plan
    csep_parent->returnedCols(colList2);
    csep_parent->filterTokenList(regFilterTokenList);
    csep_parent->orderByCols(orderbyList);

    cout << "********* I'm ok to here 4 ***************" << endl;
    // draw filterList tree
    // csep_parent->filterTokenList->drawTree("selectExecutionPlan_15.dot");
    ParseTree* pt = const_cast<ParseTree*>(csep_parent->filters());
    pt->drawTree("selectExecutionPlan_15.dot");

    cout << "\nCalpont Execution Plan:" << endl;
    cout << csep << endl;
    cout << " --- end of test 15 ---" << endl;

    filterList->walk(walkfnString);
  }
};

CPPUNIT_TEST_SUITE_REGISTRATION(ExecPlanTest);

#include <cppunit/extensions/TestFactoryRegistry.h>
#include <cppunit/ui/text/TestRunner.h>

int main(int argc, char** argv)
{
  CppUnit::TextUi::TestRunner runner;
  CppUnit::TestFactoryRegistry& registry = CppUnit::TestFactoryRegistry::getRegistry();
  runner.addTest(registry.makeTest());
  bool wasSuccessful = runner.run("", false);
  return (wasSuccessful ? 0 : 1);
}
