using System.Windows.Forms;
using System;

namespace Dem41

    public partial class MainForm : Form
    {
        

        public MainForm()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        public void Save()
        {
            context.SaveChanges();
            dataGridView1.Refresh();
        }

        private void MainForm_Load(object sender, EventArgs e)
        {
            context = new();
            context.Database.EnsureCreated();

            context.Tovars.Include(x => x.Categoria)
                .Include(x => x.Proizvoditel).
                Include(x => x.Postavshick).
                Include(x => x.EdIzm).Load();

            context.Categories.Load();
            context.Proizvoditels.Load();
            context.Postovshiks.Load();
            context.EdenitsaIzmerenia.Load();

            tovarBindingSource.DataSource = context.Tovars.Local.ToBindingList();
            categoriaBindingSource.DataSource = context.Categories.Local.ToBindingList();
            postovshickBindingSource.DataSource = context.Postovshiks.Local.ToBindingList();
            proizvoditelBindingSource.DataSource = context.Proizvoditels.Local.ToBindingList();
            edenitsa_izmereniaBindingSource.DataSource = context.EdenitsaIzmerenia.Local.ToBindingList();

            Populate();
        }

        private void saveButton_Click(object sender, EventArgs e) => Save();

        private void addButton_Click(object sender, EventArgs e)
        {
            EditForm addForm = new EditForm();
            addForm.tovarBindingSource.DataSource = tovarBindingSource.AddNew();
            ((Tovar)addForm.tovarBindingSource.DataSource).CategoriaId = 0;
            ((Tovar)addForm.tovarBindingSource.DataSource).ProizvoditelId = 0;
            ((Tovar)addForm.tovarBindingSource.DataSource).EdIzmId = 0;

            addForm.proizvoditelBindingSource.DataSource = proizvoditelBindingSource.DataSource;
            addForm.postovshikBindingSource.DataSource = postovshickBindingSource.DataSource;
            addForm.edenitsaIzmereniumBindingSource.DataSource = edenitsa_izmereniaBindingSource.DataSource;

            addForm.onSave += () =>
            {
                Save();
            };

            addForm.ShowDialog();
        }

        private void editButton_Click(object sender, EventArgs e)
        {
            if (tovarBindingSource.Current == null)
            {
                MessageBox.Show("Выберите столбец"); return;
            }

            EditForm editForm = new EditForm();
            editForm.tovarBindingSource.DataSource = tovarBindingSource.Current;
            editForm.proizvoditelBindingSource.DataSource = proizvoditelBindingSource.DataSource;
            editForm.postovshikBindingSource.DataSource = postovshickBindingSource.DataSource;
            editForm.edenitsaIzmereniumBindingSource.DataSource = edenitsa_izmereniaBindingSource.DataSource;

            editForm.onSave += () =>
            {
                Save();
            };

            editForm.ShowDialog();
        }

        private void backButton_Click(object sender, EventArgs e)
        {
            new AutorizationForm().Show();
            Hide();
        }

        private void Populate()
        {
            foreach (var item in tovarBindingSource)
            {
                TovarCard tovarCard = new();
                tovarCard.tovarBindingSource.DataSource = item;
                flowLayoutPanel1.Controls.Add(tovarCard);
            }
        }

        private void nameFilterBox_TextChanged(object sender, EventArgs e)
        {
            tovarBindingSource.Filter = nameFilterBox.Text;
            dataGridView1.Refresh();
        }
    }
}