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using MySql.Data.MySqlClient;
using MySqlX.XDevAPI.Relational;
using NUnit.Framework;
using System.Linq;

namespace MySqlX.Data.Tests.RelationalTests
{
  public class TableInsertTests : BaseTest
  {
    [TearDown]
    public void TearDown() => ExecuteSQL("DROP TABLE IF EXISTS test");
    public TableInsertTests()
    {
    }

    [Test]
    public void InsertMultipleValues()
    {
      ExecuteSQL("CREATE TABLE test.test(name VARCHAR(40), age INT)");
      Table table = testSchema.GetTable("test");

      var result = ExecuteInsertStatement(table.Insert("name", "age")
        .Values("Henry", "22")
        .Values("Patric", 30)
        );
      Assert.AreEqual(2, result.AffectedItemsCount);

      var selectResult = ExecuteSelectStatement(table.Select());
      while (selectResult.Next()) ;
      Assert.AreEqual(2, selectResult.Rows.Count);
      Assert.AreEqual("Henry", selectResult.Rows.ToArray()[0][0]);
      Assert.AreEqual(22, selectResult.Rows.ToArray()[0][1]);
      Assert.AreEqual("Patric", selectResult.Rows.ToArray()[1][0]);
      Assert.AreEqual(30, selectResult.Rows.ToArray()[1][1]);

      Assert.AreEqual(2, table.Count());
    }

    [Test]
    public void InsertExpressions()
    {
      ExecuteSQL("CREATE TABLE test.test(name VARCHAR(40), age INT)");
      Table table = testSchema.GetTable("test");

      var result = ExecuteInsertStatement(table.Insert("name", "age").Values("MARK", "34"));
      Assert.AreEqual(1, result.AffectedItemsCount);

      var selectResult = ExecuteSelectStatement(table.Select());
      while (selectResult.Next()) ;
      Assert.That(selectResult.Rows, Has.One.Items);
      Assert.AreEqual("MARK", selectResult.Rows.ToArray()[0][0]);
      Assert.AreEqual(34, selectResult.Rows.ToArray()[0][1]);
    }

    [Test]
    public void ReuseStatement()
    {
      ExecuteSQL("CREATE TABLE test(name VARCHAR(40), age INT)");
      Table table = testSchema.GetTable("test");

      var stmt = table.Insert("name", "age");
      var result = ExecuteInsertStatement(stmt.Values("MARK", "34"));
      Assert.AreEqual(1, result.AffectedItemsCount);
      // error 5014 - Wrong number of fields in row being inserted
      Assert.AreEqual(5014u, Assert.Throws<MySqlException>(() => result = ExecuteInsertStatement(stmt.Values("George", 34, 1))).Code);
      Assert.AreEqual(5014u, Assert.Throws<MySqlException>(() => ExecuteInsertStatement(stmt.Values("George", 34))).Code);
      Assert.That(ExecuteSelectStatement(table.Select()).FetchAll(), Has.One.Items);
    }

    /// <summary>
    /// Bug#31692694 - TABLEINSERTSTATEMENT STRING SPECIAL CARAC VALUES OBJECT ARE UNCORRECTLY MANAGED
    /// </summary>
    [TestCase("-")]
    [TestCase("+")]
    [TestCase("*")]
    [TestCase("/")]
    [TestCase("\\")]
    [TestCase("=")]
    [TestCase("(")]
    [TestCase(")")]
    public void InsertWithExpressionsAlikeValues(string specialChar)
    {
      ExecuteSQL("CREATE TABLE test(ID INT, COLUMN_TEST VARCHAR(40))");
      string value = $"ImproperFieldNameBug {specialChar} Bug";

      Table table = testSchema.GetTable("test");
      var insertResult = table.Insert("ID", "COLUMN_TEST").Values("1", value).Execute();
      var selectResult = ExecuteSelectStatement(table.Select());
      while (selectResult.Next()) ;

      Assert.AreEqual(1, insertResult.AffectedItemsCount);
      Assert.That(selectResult.Rows, Has.One.Items);
      StringAssert.AreEqualIgnoringCase("1", selectResult.Rows.ToArray()[0][0].ToString());
      StringAssert.AreEqualIgnoringCase(value, selectResult.Rows.ToArray()[0][1].ToString());
    }
  }
}
