// Copyright (C) Stichting Deltares 2016. All rights reserved.
//
// This file is part of Ringtoets.
//
// Ringtoets 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, either version 3 of the License, or
// (at your option) any later version.
// 
// 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, see <http://www.gnu.org/licenses/>.
//
// All names, logos, and references to "Deltares" are registered trademarks of
// Stichting Deltares and remain full property of Stichting Deltares at all times.
// All rights reserved.

using System;
using System.Drawing;
using System.Windows.Forms;
using Core.Common.Base.Data;
using Core.Common.Base.Geometry;
using NUnit.Extensions.Forms;
using NUnit.Framework;
using Rhino.Mocks;
using Ringtoets.Common.Data.FailureMechanism;
using Ringtoets.Common.Data.TestUtil;
using Ringtoets.Common.Forms.Properties;
using Ringtoets.Integration.Forms.Views;

namespace Ringtoets.Integration.Forms.Test.Views
{
    [TestFixture]
    public class SimpleFailureMechanismResultViewTest
    {
        [Test]
        public void GivenFormWithSimpleFailureMechanismResultView_WhenAlways_ThenExpectedColumnsAreVisible()
        {
            // Setup
            using (var form = new Form())
            {
                using (var view = new SimpleFailureMechanismResultView())
                {
                    form.Controls.Add(view);
                    // Call

                    form.Show();

                    // Assert
                    var dataGridView = (DataGridView) new ControlTester("dataGridView").TheObject;

                    Assert.AreEqual(5, dataGridView.ColumnCount);

                    Assert.IsInstanceOf<DataGridViewCheckBoxColumn>(dataGridView.Columns[assessmentLayerOneIndex]);
                    Assert.IsInstanceOf<DataGridViewComboBoxColumn>(dataGridView.Columns[assessmentLayerTwoAIndex]);
                    Assert.IsInstanceOf<DataGridViewTextBoxColumn>(dataGridView.Columns[assessmentLayerTwoBIndex]);
                    Assert.IsInstanceOf<DataGridViewTextBoxColumn>(dataGridView.Columns[assessmentLayerThreeIndex]);

                    Assert.AreEqual(Resources.FailureMechanismResultView_InitializeDataGridView_Assessment_layer_one, dataGridView.Columns[assessmentLayerOneIndex].HeaderText);
                    Assert.AreEqual(Resources.FailureMechanismResultView_InitializeDataGridView_Assessment_layer_two_a, dataGridView.Columns[assessmentLayerTwoAIndex].HeaderText);
                    Assert.AreEqual(Resources.FailureMechanismResultView_InitializeDataGridView_Assessment_layer_two_b, dataGridView.Columns[assessmentLayerTwoBIndex].HeaderText);
                    Assert.AreEqual(Resources.FailureMechanismResultView_InitializeDataGridView_Assessment_layer_three, dataGridView.Columns[assessmentLayerThreeIndex].HeaderText);

                    Assert.AreEqual(DataGridViewAutoSizeColumnsMode.AllCells, dataGridView.AutoSizeColumnsMode);
                    Assert.AreEqual(DataGridViewContentAlignment.MiddleCenter, dataGridView.ColumnHeadersDefaultCellStyle.Alignment);
                }
            }
        }

        [Test]
        public void GivenFormWithSimpleFailureMechanismResultView_WhenDataSourceWithSimpleFailureMechanismSectionResultAssigned_ThenSectionsAddedAsRows()
        {
            // Given
            var section1 = new FailureMechanismSection("Section 1", new[]
            {
                new Point2D(0, 0)
            });
            var section2 = new FailureMechanismSection("Section 2", new[]
            {
                new Point2D(0, 0)
            });
            Random random = new Random(21);
            var result1 = new SimpleFailureMechanismSectionResult(section1)
            {
                AssessmentLayerOne = true,
                AssessmentLayerTwoA = AssessmentLayerTwoAResult.Failed,
                AssessmentLayerTwoB = (RoundedDouble) random.NextDouble(),
                AssessmentLayerThree = (RoundedDouble) random.NextDouble()
            };
            var result2 = new SimpleFailureMechanismSectionResult(section2)
            {
                AssessmentLayerOne = false,
                AssessmentLayerTwoA = AssessmentLayerTwoAResult.Successful,
                AssessmentLayerTwoB = (RoundedDouble) random.NextDouble(),
                AssessmentLayerThree = (RoundedDouble) random.NextDouble()
            };

            using (var form = new Form())
            {
                using (var view = new SimpleFailureMechanismResultView())
                {
                    form.Controls.Add(view);
                    form.Show();

                    // When
                    view.Data = new[]
                    {
                        result1,
                        result2
                    };

                    // Then
                    var dataGridView = (DataGridView) new ControlTester("dataGridView").TheObject;

                    var rows = dataGridView.Rows;
                    Assert.AreEqual(2, rows.Count);

                    var cells = rows[0].Cells;
                    Assert.AreEqual(5, cells.Count);
                    Assert.AreEqual("Section 1", cells[nameColumnIndex].FormattedValue);
                    Assert.AreEqual(result1.AssessmentLayerOne, cells[assessmentLayerOneIndex].Value);
                    Assert.AreEqual(result1.AssessmentLayerTwoA, cells[assessmentLayerTwoAIndex].Value);
                    Assert.AreEqual(string.Format("{0}", result1.AssessmentLayerTwoB), cells[assessmentLayerTwoBIndex].FormattedValue);
                    Assert.AreEqual(string.Format("{0}", result1.AssessmentLayerThree), cells[assessmentLayerThreeIndex].FormattedValue);

                    AssertCellIsDisabled(cells[assessmentLayerTwoAIndex]);
                    AssertCellIsDisabled(cells[assessmentLayerTwoBIndex]);
                    AssertCellIsDisabled(cells[assessmentLayerThreeIndex]);

                    cells = rows[1].Cells;
                    Assert.AreEqual(5, cells.Count);
                    Assert.AreEqual("Section 2", cells[nameColumnIndex].FormattedValue);
                    Assert.AreEqual(result2.AssessmentLayerOne, cells[assessmentLayerOneIndex].Value);
                    Assert.AreEqual(result2.AssessmentLayerTwoA, cells[assessmentLayerTwoAIndex].Value);
                    Assert.AreEqual(string.Format("{0}", result2.AssessmentLayerTwoB), cells[assessmentLayerTwoBIndex].FormattedValue);
                    Assert.AreEqual(string.Format("{0}", result2.AssessmentLayerThree), cells[assessmentLayerThreeIndex].FormattedValue);

                    AssertCellIsEnabled(cells[assessmentLayerTwoAIndex]);
                    AssertCellIsEnabled(cells[assessmentLayerTwoBIndex]);
                    AssertCellIsEnabled(cells[assessmentLayerThreeIndex]);
                }
            }
        }

        [Test]
        public void GivenFormWithSimpleFailureMechanismResultView_WhenSectionPassesLevel0AndListenersNotified_ThenRowsForSectionBecomesDisabled()
        {
            // Given
            var section = new FailureMechanismSection("Section 1", new[]
            {
                new Point2D(0, 0)
            });
            Random random = new Random(21);
            var result = new SimpleFailureMechanismSectionResult(section)
            {
                AssessmentLayerOne = false,
                AssessmentLayerTwoA = AssessmentLayerTwoAResult.Failed,
                AssessmentLayerTwoB = (RoundedDouble) random.NextDouble(),
                AssessmentLayerThree = (RoundedDouble) random.NextDouble()
            };
            using (var form = new Form())
            {
                using (var view = new SimpleFailureMechanismResultView())
                {
                    form.Controls.Add(view);
                    form.Show();

                    view.Data = new[]
                    {
                        result
                    };

                    // When
                    result.AssessmentLayerOne = true;
                    result.NotifyObservers();

                    // Then
                    var dataGridView = (DataGridView)new ControlTester("dataGridView").TheObject;
                    var rows = dataGridView.Rows;
                    Assert.AreEqual(1, rows.Count);

                    var cells = rows[0].Cells;
                    Assert.AreEqual(5, cells.Count);

                    AssertCellIsDisabled(cells[assessmentLayerTwoAIndex]);
                    AssertCellIsDisabled(cells[assessmentLayerTwoBIndex]);
                    AssertCellIsDisabled(cells[assessmentLayerThreeIndex]);
                }
            }
        }

        [Test]
        public void GivenFormWithSimpleFailureMechanismResultView_WhenDataSourceWithOtherFailureMechanismSectionResultAssigned_ThenSectionsNotAdded()
        {
            // Given
            var section1 = new FailureMechanismSection("Section 1", new[]
            {
                new Point2D(0, 0)
            });
            var section2 = new FailureMechanismSection("Section 2", new[]
            {
                new Point2D(0, 0)
            });
            var result1 = new TestFailureMechanismSectionResult(section1);
            var result2 = new TestFailureMechanismSectionResult(section2);

            using (var form = new Form())
            {
                using (var view = new SimpleFailureMechanismResultView())
                {
                    form.Controls.Add(view);
                    form.Show();

                    // When
                    view.Data = new[]
                    {
                        result1,
                        result2
                    };

                    // Then
                    var dataGridView = (DataGridView)new ControlTester("dataGridView").TheObject;
                    var rows = dataGridView.Rows;
                    Assert.AreEqual(0, rows.Count);
                }
            }
        }

        private const int nameColumnIndex = 0;
        private const int assessmentLayerOneIndex = 1;
        private const int assessmentLayerTwoAIndex = 2;
        private const int assessmentLayerTwoBIndex = 3;
        private const int assessmentLayerThreeIndex = 4;

        private void AssertCellIsDisabled(DataGridViewCell dataGridViewCell)
        {
            Assert.AreEqual(true, dataGridViewCell.ReadOnly);
            Assert.AreEqual(Color.FromKnownColor(KnownColor.GrayText), dataGridViewCell.Style.ForeColor);
            Assert.AreEqual(Color.FromKnownColor(KnownColor.DarkGray), dataGridViewCell.Style.BackColor);
        }

        private void AssertCellIsEnabled(DataGridViewCell dataGridViewCell)
        {
            Assert.AreEqual(false, dataGridViewCell.ReadOnly);
            Assert.AreEqual(Color.FromKnownColor(KnownColor.ControlText), dataGridViewCell.Style.ForeColor);
            Assert.AreEqual(Color.FromKnownColor(KnownColor.White), dataGridViewCell.Style.BackColor);
        }
    }
}