using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using WeifenLuo.WinFormsUI.Docking;

namespace friction
{
	public partial class PanelMaterial : DockContent
	{
		MainForm m_Owner = null;

		ListViewItem m_SelectedSpring = null;
		ListViewItem m_SelectedTable = null;

		public PanelMaterial(MainForm owner)
		{
			InitializeComponent();

			m_Owner = owner;
			this.ApplyTheme();

			Theme.Apply(this);
			Theme.Apply(lvSpring);
			Theme.Apply(lvTable);

			lvSpring.ListViewItemSorter = new ListViewItemCheckboxComparer();
			lvSpring.ItemChecked += Listview_ItemChecked;
			lvTable.ListViewItemSorter = new ListViewItemCheckboxComparer();
			lvTable.ItemChecked += Listview_ItemChecked;
		}

		public void UpdateData(DataHandler data)
		{
			m_SelectedSpring = null;
			m_SelectedTable = null;

			var SpringList = data.GetSpringList();
			var TableList = data.GetTableList();

			lvSpring.Items.Clear();
			foreach (var x in SpringList)
			{
				ListViewItem item = lvSpring.Items.Add(x);
				item.Checked = true;
			}
				
			lvTable.Items.Clear();
			lvTable.Items.Add("All");
			foreach (var x in TableList)
			{
				ListViewItem item = lvTable.Items.Add(x);
				item.Checked = true;
			}

			lvSpring.AutoResizeColumns(ColumnHeaderAutoResizeStyle.ColumnContent);
			lvTable.AutoResizeColumns(ColumnHeaderAutoResizeStyle.ColumnContent);

			lbFileName.Text = data.GetFileName();

			SelectSpring(0);
			SelectTable(0);
		}

		private void lvSpring_SizeChanged(object sender, EventArgs e)
		{
			Theme.ResizeFullColumn(lvSpring);
		}

		private void lvTable_SizeChanged(object sender, EventArgs e)
		{
			Theme.ResizeFullColumn(lvTable);
		}

		#region select
		private void SelectSpring(int iIdx)
		{
			if (m_SelectedSpring != null)
			{
				m_SelectedSpring.Font = lvSpring.Font;
				m_SelectedSpring.ForeColor = Theme.Forecolor;
			}

			m_SelectedSpring = lvSpring.Items[iIdx];
			m_SelectedSpring.Font = new Font(lvSpring.Font, FontStyle.Bold);
			m_SelectedSpring.ForeColor = Theme.Orange;

			if(m_SelectedSpring != null && m_SelectedTable != null)
				m_Owner.OnApplyData(this, m_SelectedSpring.Text, m_SelectedTable.Text);
		}

		public void SelectSpring(string strSpring)
		{
			if (m_SelectedSpring != null)
			{
				m_SelectedSpring.Font = lvSpring.Font;
				m_SelectedSpring.ForeColor = Theme.Forecolor;
			}

			foreach (ListViewItem item in lvSpring.Items)
			{
				if (item.Text == strSpring)
				{
					m_SelectedSpring = item;
					item.Font = new Font(lvSpring.Font, FontStyle.Bold);
					item.ForeColor = Theme.Orange;
					break;
				}
			}
		}

		private void SelectTable(int iIdx)
		{
			if (m_SelectedTable != null)
			{
				m_SelectedTable.Font = lvTable.Font;
				m_SelectedTable.ForeColor = Theme.Forecolor;
			}

			m_SelectedTable = lvTable.Items[iIdx];
			m_SelectedTable.Font = new Font(lvTable.Font, FontStyle.Bold);
			m_SelectedTable.ForeColor = Theme.Orange;

			if (m_SelectedSpring != null && m_SelectedTable != null)
				m_Owner.OnApplyData(this, m_SelectedSpring.Text, m_SelectedTable.Text);
		}

		public void SelectTable(string strTable)
		{
			if (m_SelectedTable != null)
			{
				m_SelectedTable.Font = lvTable.Font;
				m_SelectedTable.ForeColor = Theme.Forecolor;
			}

			foreach(ListViewItem item in lvTable.Items)
			{
				if(item.Text == strTable)
				{
					m_SelectedTable = item;
					item.Font = new Font(lvTable.Font, FontStyle.Bold);
					item.ForeColor = Theme.Orange;
					break;
				}
			}
		}

		private void lvSpring_MouseDoubleClick(object sender, MouseEventArgs e)
		{
			if(lvSpring.SelectedIndices.Count == 1)
				SelectSpring(lvSpring.SelectedIndices[0]);
		}

		private void lvTable_MouseDoubleClick(object sender, MouseEventArgs e)
		{
			if (lvTable.SelectedIndices.Count == 1)
				SelectTable(lvTable.SelectedIndices[0]);
		}
		#endregion select

		#region check
		public void LoadUncheckedMaterial(string strPrefName)
		{
			Config.UncheckedMaterial cm = Config.GetInstance().m_UncheckedMaterial[strPrefName];
			List<string> UncheckedSprings = new List<string>();
			List<string> UncheckedTables = new List<string>();

			foreach (string s in cm.m_Springs)
				UncheckedSprings.Add(s);
			foreach (string s in cm.m_Tables)
				UncheckedTables.Add(s);

			foreach (ListViewItem item in lvSpring.Items)
			{
				item.Checked = true;
			}

			foreach (string strSpring in UncheckedSprings)
			{
				foreach (ListViewItem item in lvSpring.Items)
				{
					if (item.Text == strSpring)
					{
						item.Checked = false;
						break;
					}
				}
			}


			foreach (ListViewItem item in lvTable.Items)
			{
				item.Checked = true;
			}

			foreach (string strTable in UncheckedTables)
			{
				foreach (ListViewItem item in lvTable.Items)
				{
					if (item.Text == strTable)
					{
						item.Checked = false;
						break;
					}
				}
			}
		}

		public void SaveUncheckedMaterial(string strPrefName)
		{
			Config.UncheckedMaterial cm = Config.GetInstance().m_UncheckedMaterial[strPrefName];

			cm.m_Springs.Clear();
			foreach (ListViewItem item in lvSpring.Items)
			{
				if (item.Checked == false)
					cm.m_Springs.Add(item.Text);
			}

			cm.m_Tables.Clear();
			foreach (ListViewItem item in lvTable.Items)
			{
				if (item.Checked == false)
					cm.m_Tables.Add(item.Text);
			}
		}

		private void Listview_ItemChecked(object sender, ItemCheckedEventArgs e)
		{
			ListView view = (ListView)sender;
			if (view == lvTable && e.Item.Text == "All")
				e.Item.Checked = true;

			List<string> UncheckedItems = new List<string>();
			foreach (ListViewItem item in view.Items)
			{
				if(item.Checked == false)
					UncheckedItems.Add(item.Text);
			}

			if (view == lvTable)
				Config.GetInstance().SetTableChecked(UncheckedItems);
			else
				Config.GetInstance().SetSpringChecked(UncheckedItems);

			view.Sort();


			if (view == lvSpring)
				m_Owner.OnSpringCheckChanged(e.Item.Text, e.Item.Checked);
			else
				m_Owner.OnTableCheckChanged(e.Item.Text, e.Item.Checked);
		}
		#endregion check


		private class ListViewItemCheckboxComparer : IComparer<ListViewItem>, System.Collections.IComparer
		{
			public int Compare(ListViewItem x, ListViewItem y)
			{
				if (x.Text == "All")
					return -1;
				else if (y.Text == "All")
					return 1;
				else if (x.Checked != y.Checked)
					return -(x.Checked ? 1 : 0).CompareTo(y.Checked ? 1 : 0);
				else
					return x.Text.CompareTo(y.Text);
			}

			public int Compare(object x, object y)
			{
				return Compare(x as ListViewItem, y as ListViewItem);
			}
		}

		private void lvSpring_KeyDown(object sender, KeyEventArgs e)
		{
			if (e.KeyCode == Keys.Enter)
				SelectSpring(lvSpring.SelectedIndices[0]);
		}

		private void lvTable_KeyDown(object sender, KeyEventArgs e)
		{
			if (e.KeyCode == Keys.Enter)
				SelectTable(lvTable.SelectedIndices[0]);
		}
	}


	public class NoDoubleClickAutoCheckListview : ListView
	{
		private bool checkFromDoubleClick = false;

		protected override void OnItemCheck(ItemCheckEventArgs ice)
		{
			if (this.checkFromDoubleClick)
			{
				ice.NewValue = ice.CurrentValue;
				this.checkFromDoubleClick = false;
			}
			else
				base.OnItemCheck(ice);
		}

		protected override void OnMouseDown(MouseEventArgs e)
		{
			// Is this a double-click?
			if ((e.Button == MouseButtons.Left) && (e.Clicks > 1))
			{
				this.checkFromDoubleClick = true;
			}
			base.OnMouseDown(e);
		}

		protected override void OnKeyDown(KeyEventArgs e)
		{
			this.checkFromDoubleClick = false;
			base.OnKeyDown(e);
		}
	}
}