using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Windows.Forms;
using CaeGlobals;
using CaeKnowledge.Data;
using CaeKnowledge.View;

namespace CPSO.Forms._92_Knowledge
{
    public partial class FrmSimpleMaterialLibrary : Form
    {
        public FrmSimpleMaterialLibrary()
        {
            InitializeComponent();
        }

        public void PrepareForm()
        {
            MakeColumns(typeof(CaeKnowledge.View.ViewElasticWithDensity));

            Text = @"材料定义";
            dataGridView1.DataSource = new BindingList<CaeKnowledge.View.ViewElasticWithDensity>();
        }

        private void MakeColumns(Type type)
        {
            var memberList = type.GetMembers(BindingFlags.Public | BindingFlags.Instance)
                .Where(m => m.MemberType == MemberTypes.Field ||
                            m.MemberType == MemberTypes.Property);

            List<DataGridViewColumn> columns = new List<DataGridViewColumn>();
            if (columns == null) throw new ArgumentNullException(nameof(columns));

            foreach (var member in memberList)
            {
                var attribute = member.GetCustomAttributes<DisplayNameAttribute>();

                var displayNameAttributes = attribute as DisplayNameAttribute[] ?? attribute.ToArray();

                if (displayNameAttributes.Any())
                {
                    var displayName = displayNameAttributes.First().DisplayName;

                    if (displayName != null)
                    {
                        var column = new DataGridViewTextBoxColumn
                        {
                            Name = member.Name,
                            HeaderText = displayName,
                            DataPropertyName = member.Name,
                        };

                        column.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
                        column.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter;

                        columns.Add(column);
                    }
                }
            }

            dataGridView1.Columns.Clear();
            dataGridView1.Columns.AddRange(columns.ToArray());
        }

        private void FrmSimpleMaterialLibrary_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (e.CloseReason == CloseReason.UserClosing)
            {
                e.Cancel = true;
                Hide();
            }
        }

        private void FrmSimpleMaterialLibrary_Load(object sender, EventArgs e)
        {
            dataGridView1.AutoGenerateColumns = false;
            dataGridView1.AllowUserToAddRows = false;
            dataGridView1.AllowUserToDeleteRows = false;
            dataGridView1.EditMode = DataGridViewEditMode.EditProgrammatically;

            dataGridView1.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
            dataGridView1.RowHeadersVisible = false;
            dataGridView1.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
        }

        private void toolAdd_Click(object sender, EventArgs e)
        {
            try
            {
                var dialog = new FrmAddCutter();

                var viewElastic = new ViewElasticWithDensity();

                dialog.Text = @"添加材料";
                dialog.SetMaterial(viewElastic);

                DialogResult result = dialog.ShowDialog();

                if (result == DialogResult.OK && viewElastic.IsValid()
                                              && dataGridView1.DataSource is BindingList<ViewElasticWithDensity> list)
                {
                    if (list.Any(mat => mat.Name == viewElastic.Name))
                    {
                        throw new CaeException("已有相同名称的材料定义，添加失败！");
                    }

                    list.Add(viewElastic);
                }
            }
            catch (Exception ex)
            {
                ExceptionTools.Show(this, ex);
            }
        }

        private void toolDelete_Click(object sender, EventArgs e)
        {
            if (dataGridView1.SelectedRows.Count > 0
                && MessageBox.Show(@"Are you sure you want to delete the selected row(s)?",
                    @"Confirm Deletion", MessageBoxButtons.YesNo,
                    MessageBoxIcon.Question) == DialogResult.Yes)
            {
                // Iterate in reverse to avoid issues with changing row indices
                for (int i = dataGridView1.SelectedRows.Count - 1; i >= 0; i--)
                {
                    DataGridViewRow row = dataGridView1.SelectedRows[i];
                    dataGridView1.Rows.RemoveAt(row.Index);
                }
            }
        }

        private void 打开OToolStripButton_Click(object sender, EventArgs e)
        {
            var fullPath = Tools.GetLiteDatabase();

            if (fullPath == null || !File.Exists(fullPath)) return;

            if (dataGridView1.DataSource is BindingList<ViewElasticWithDensity> list)
            {
                list.Clear();

                var listViewElasticWithDensities =
                    CaeKnowledge.KnowledgeTools.LoadElasticWithDensitiesFromDatabase(fullPath);

                listViewElasticWithDensities.ForEach( obj =>
                {
                    list.Add(obj);
                });
            }
        }

        private void 保存SToolStripButton_Click(object sender, EventArgs e)
        {
            string fullPath = Tools.GetLiteDatabase();

            if (fullPath == null) return;

            if (dataGridView1.DataSource is BindingList<ViewElasticWithDensity> list)
            {
                CaeKnowledge.KnowledgeTools.SaveDatabase(fullPath, list.ToList());
            }
        }
    }
}