using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

using BizHawk.Common;
using BizHawk.Emulation.Cores.Sony.PSX;
using BizHawk.Client.Common;
using BizHawk.Client.EmuHawk.WinFormExtensions;
using BizHawk.Common.ReflectionExtensions;

namespace BizHawk.Client.EmuHawk
{
	public partial class PSXControllerConfigNew : Form
	{
		public PSXControllerConfigNew()
		{
			InitializeComponent();
		}

		private void PSXControllerConfigNew_Load(object sender, EventArgs e)
		{
			//populate combo boxes
			foreach(var combo in new[]{combo_1_1,combo_1_2,combo_1_3,combo_1_4,combo_2_1,combo_2_2,combo_2_3,combo_2_4})
			{
				combo.Items.Add("-Nothing-");
				combo.Items.Add("Gamepad");
				combo.Items.Add("Dual Shock");
				combo.Items.Add("Dual Analog");
				combo.Items.Add("neGcon");
				combo.SelectedIndex = 0;
			}

			var psxSettings = ((Octoshock)Global.Emulator).GetSyncSettings();
			GuiFromUserConfig(psxSettings.FIOConfig);

			RefreshLabels();
		}

		void GuiFromUserConfig(OctoshockFIOConfigUser user)
		{
			cbMemcard_1.Checked = user.Memcards[0];
			cbMemcard_2.Checked = user.Memcards[1];
			cbMultitap_1.Checked = user.Multitaps[0];
			cbMultitap_2.Checked = user.Multitaps[1];

			var combos = new[] { combo_1_1, combo_1_2, combo_1_3, combo_1_4, combo_2_1, combo_2_2, combo_2_3, combo_2_4 };
			for (int i = 0; i < 8; i++)
			{
				var combo = combos[i];
				if (user.Devices8[i] == OctoshockDll.ePeripheralType.None) combo.SelectedIndex = 0;
				if (user.Devices8[i] == OctoshockDll.ePeripheralType.Pad) combo.SelectedIndex = 1;
				if (user.Devices8[i] == OctoshockDll.ePeripheralType.DualShock) combo.SelectedIndex = 2;
				if (user.Devices8[i] == OctoshockDll.ePeripheralType.DualAnalog) combo.SelectedIndex = 3;
				if (user.Devices8[i] == OctoshockDll.ePeripheralType.NegCon) combo.SelectedIndex = 4;
			}
		}

		OctoshockFIOConfigUser UserConfigFromGui()
		{
			OctoshockFIOConfigUser uc = new OctoshockFIOConfigUser();

			uc.Memcards[0] = cbMemcard_1.Checked;
			uc.Memcards[1] = cbMemcard_2.Checked;

			uc.Multitaps[0] = cbMultitap_1.Checked;
			uc.Multitaps[1] = cbMultitap_2.Checked;

			var combos = new[] { combo_1_1, combo_1_2, combo_1_3, combo_1_4, combo_2_1, combo_2_2, combo_2_3, combo_2_4 };
			for (int i = 0; i < 8; i++)
			{
				var combo = combos[i];
				if (combo.SelectedIndex == 0) uc.Devices8[i] = OctoshockDll.ePeripheralType.None;
				if (combo.SelectedIndex == 1) uc.Devices8[i] = OctoshockDll.ePeripheralType.Pad;
				if (combo.SelectedIndex == 2) uc.Devices8[i] = OctoshockDll.ePeripheralType.DualShock;
				if (combo.SelectedIndex == 3) uc.Devices8[i] = OctoshockDll.ePeripheralType.DualAnalog;
				if (combo.SelectedIndex == 4) uc.Devices8[i] = OctoshockDll.ePeripheralType.NegCon;
			}

			return uc;
		}

		void RefreshLabels()
		{
			var uc = UserConfigFromGui();

			bool b1 = uc.Multitaps[0];
			lbl_1_1.Visible = b1;
			lbl_1_2.Visible = b1;
			lbl_1_3.Visible = b1;
			lbl_1_4.Visible = b1;
			combo_1_2.Enabled = b1;
			combo_1_3.Enabled = b1;
			combo_1_4.Enabled = b1;
			lbl_p_1_2.Visible = b1;
			lbl_p_1_3.Visible = b1;
			lbl_p_1_4.Visible = b1;

			bool b2 = uc.Multitaps[1];
			lbl_2_1.Visible = b2;
			lbl_2_2.Visible = b2;
			lbl_2_3.Visible = b2;
			lbl_2_4.Visible = b2;
			combo_2_2.Enabled = b2;
			combo_2_3.Enabled = b2;
			combo_2_4.Enabled = b2;
			lbl_p_2_2.Visible = b2;
			lbl_p_2_3.Visible = b2;
			lbl_p_2_4.Visible = b2;

			var LC = uc.ToLogical();

			var p_labels = new[] { lbl_p_1_1,lbl_p_1_2,lbl_p_1_3,lbl_p_1_4,lbl_p_2_1,lbl_p_2_2,lbl_p_2_3,lbl_p_2_4};
			for (int i = 0; i < 8; i++)
			{
				var lbl = p_labels[i];
				if (LC.PlayerAssignments[i] == -1)
					lbl.Visible = false;
				else
				{
					lbl.Text = "P" + LC.PlayerAssignments[i];
					lbl.Visible = true;
				}
			}
		}

		private void cb_changed(object sender, EventArgs e)
		{
			RefreshLabels();
		}

		private void combo_SelectedIndexChanged(object sender, EventArgs e)
		{
			RefreshLabels();
		}

		private void btnOK_Click(object sender, EventArgs e)
		{
			var psxSettings = ((Octoshock)Global.Emulator).GetSyncSettings();

			psxSettings.FIOConfig = UserConfigFromGui();
			GlobalWin.MainForm.PutCoreSyncSettings(psxSettings);
			
			DialogResult = DialogResult.OK;
			
			Close();
		}
	}
}