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

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("upper('mark')", "50-16")
        );
      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("upper('mark')", "50-16"));
      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);
    }
  }
}
