/*
 * Copyright (c) 2016-2016, Roland Bock
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <iostream>
#include <set>
#include <MockDb.h>
#include "AssertTables.h"
#include <sqlpp11/sqlpp11.h>

namespace
{
  constexpr auto t = test::TabAllTypes{};

  template <typename T>
  void print_type_on_error(std::true_type)
  {
  }

  template <typename T>
  void print_type_on_error(std::false_type)
  {
    T::_print_me_;
  }

  template <typename Assert, typename Expr, typename... Operands>
  void static_check_in(const Expr& expr, const Operands&... operands)
  {
    using CheckResult = sqlpp::check_in_t<Expr, Operands...>;
    using ExpectedCheckResult = std::is_same<CheckResult, Assert>;
    static_assert(ExpectedCheckResult::value, "Unexpected check result");
    print_type_on_error<CheckResult>(ExpectedCheckResult{});

    using ReturnType =
        sqlpp::detail::make_type_set_t<decltype(expr.in(operands...)), decltype(expr.not_in(operands...))>;
    using ExpectedReturnType = sqlpp::logic::all<
        Assert::value xor
        std::is_same<ReturnType, sqlpp::detail::type_set<sqlpp::bad_expression<sqlpp::boolean>>>::value>;
    static_assert(ExpectedReturnType::value, "Unexpected return type");
    print_type_on_error<ReturnType>(ExpectedReturnType{});
  }

  void checks()
  {
    // OK
    static_check_in<sqlpp::consistent_t>(t.someString);
    static_check_in<sqlpp::consistent_t>(t.someString, "");
    static_check_in<sqlpp::consistent_t>(t.someString, "", "");
    static_check_in<sqlpp::consistent_t>(t.someString, select(sqlpp::value("").as(sqlpp::alias::x)));
    static_check_in<sqlpp::consistent_t>(t.someString, sqlpp::value_list(std::vector<std::string>{}));
    static_check_in<sqlpp::consistent_t>(t.someString, sqlpp::value_list(std::set<std::string>{}));

    // Try non-expressions
    static_check_in<sqlpp::assert_comparison_rhs_is_expression_t>(t.someString, t);
    static_check_in<sqlpp::assert_comparison_rhs_is_expression_t>(t.someString, t, t);
    static_check_in<sqlpp::assert_comparison_rhs_is_expression_t>(t.someString, "", t, t, "");

    // Try multi-expressions
    static_check_in<sqlpp::assert_comparison_rhs_is_expression_t>(t.someString,
                                                                  any(select(sqlpp::value("").as(sqlpp::alias::x))));
  }
}

int main(int, char* [])
{
  checks();
}