/*
 * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2.0,
 * as published by the Free Software Foundation.
 *
 * This program is also distributed with certain software (including
 * but not limited to OpenSSL) that is licensed under separate terms, as
 * designated in a particular file or component or in included license
 * documentation.  The authors of MySQL hereby grant you an additional
 * permission to link the program and your derivative works with the
 * separately licensed software that they have included with MySQL.
 * 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, version 2.0, 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 St, Fifth Floor, Boston, MA 02110-1301 USA 
 */

#include "testgrt.h"
#include "grt_test_utility.h"
#include "grt/grt_manager.h"
#include "grt.h"

#include "grts/structs.h"
#include "grts/structs.workbench.h"
#include "grts/structs.db.mgmt.h"
#include "grts/structs.db.mysql.h"
#include "grts/structs.db.mgmt.h"

#include "cppdbc.h"
#include "backend/db_rev_eng_be.h"

#include "db_mysql_diffsqlgen.h"

#include "diff/diffchange.h"
#include "diff/grtdiff.h"
#include "diff/changeobjects.h"
#include "diff/changelistobjects.h"
#include "db.mysql.sqlparser/src/mysql_sql_parser_fe.h"
#include "wb_helpers.h"

using namespace tut;

struct A {
  std::string _res;

  std::string convert(const char *s, int *err_count = 0) {
    _res = "";
    int _err_count = 0;

    _err_count = Mysql_sql_parser_fe(GRTManagerTest::get()->get_app_option_string("SqlMode"))
                   .parse_sql_script(s, &process_sql_statement_cb, this);

    if (err_count)
      *err_count = _err_count;

    return _res;
  }

private:
  static int process_sql_statement_cb(void *user_data, const MyxStatementParser *splitter, const char *sql,
                                      const SqlAstNode *tree, int stmt_begin_lineno, int stmt_begin_line_pos,
                                      int stmt_end_lineno, int stmt_end_line_pos, int err_tok_lineno,
                                      int err_tok_line_pos, int err_tok_len, const std::string &err_msg) {
    A &parser_be = *(reinterpret_cast<A *>(user_data));
    if (tree) {
      tree->build_sql(parser_be._res);
      //     std::ofstream("c:/1.xml") << *tree;
    }
    return (tree == 0) ? 1 : 0;
  }
};

BEGIN_TEST_DATA_CLASS(grtdiff_db_diff_test)
END_TEST_DATA_CLASS

TEST_MODULE(grtdiff_db_diff_test, "grtdiff_db_diff_test");

const char *sql =
  "DELIMITER //\n"
  "CREATE TRIGGER `sakila`.`ins_film` AFTER INSERT ON `film` FOR EACH ROW BEGIN\n"
  "    INSERT INTO film_text (film_id, title, description)\n"
  "        VALUES (new.film_id, new.title, new.description);\n"
  "  END//\n";

TEST_FUNCTION(1) {
  const char *sql_after_formatting_change =
    "DELIMITER //\n CREATE TRIGGER `sakila`.`ins_film` AFTER INSERT ON `film` FOR EACH ROW BEGIN INSERT INTO film_text "
    "(film_id, title, description) VALUES (new.film_id, new.title, new.description);\n"
    "  END//\n";
  const char *sql_after_expression_change =
    "DELIMITER //\n CREATE TRIGGER `sakila`.`ins_film` AFTER INSERT ON `film` FOR EACH ROW BEGIN INSERT INTO film_text "
    "(film_id, title, description) VALUES (new.film_id, new.title, 'new.description');\n"
    "  END//\n";
  const char *sql_after_same = sql;

  std::string before = A().convert(sql);

  // std::cout << before << std::endl;
  // std::cout << A().convert(sql_after_formatting_change) << std::endl;
  // std::cout << A().convert(sql_after_expression_change) << std::endl;
  // std::cout << A().convert(sql_after_same) << std::endl;

  assure(before == A().convert(sql_after_formatting_change));
  assure(before != A().convert(sql_after_expression_change));
  assure(before == A().convert(sql_after_same));
}

END_TESTS
