// Copyright (C) 2003-2008 Dolphin Project.

// This program 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, version 2.0.

// 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 2.0 for more details.

// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/

// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/


// Includes
#include <iostream> // System

#include "wiiuse.h" // Externals

#include "ConsoleWindow.h" // Common
#include "StringUtil.h"
#include "Timer.h"
#include "pluginspecs_wiimote.h"

#include "wiimote_real.h" // Local
#include "wiimote_hid.h"
#include "EmuDefinitions.h"
#include "EmuMain.h"
#include "main.h"
#if defined(HAVE_WX) && HAVE_WX
	#include "ConfigDlg.h"
#endif
#include "Config.h"
////////////////////////////////////////

namespace WiiMoteReal
{
int GetReportSize(struct wiimote_t* wm)
{
	// The report size is 0x33 = 18, 0x37 = 22 withouth the leading (a1) byte
	if(WIIUSE_USING_EXP(wm)) return 22; else return 18;
}

void handle_ctrl_status(struct wiimote_t* wm)
{
	Console::Print("\n\n--- CONTROLLER STATUS [wiimote id %i] ---\n", wm->unid);

	Console::Print("attachment:      %i\n", wm->exp.type);
	Console::Print("speaker:         %i\n", WIIUSE_USING_SPEAKER(wm));
	Console::Print("ir:              %i\n", WIIUSE_USING_IR(wm));
	Console::Print("leds:            %i %i %i %i\n", WIIUSE_IS_LED_SET(wm, 1), WIIUSE_IS_LED_SET(wm, 2), WIIUSE_IS_LED_SET(wm, 3), WIIUSE_IS_LED_SET(wm, 4));
	Console::Print("battery:         %f %%\n", wm->battery_level);
}

bool IRDataOK(struct wiimote_t* wm)
{
	//Console::Print("IRDataOK: ");
	// The report size is 0x33 = 18, 0x37 = 22 withouth the leading (a1) byte
	int ReportSize = GetReportSize(wm);
	for(int i = 0; i < ReportSize; i++)
	{
		//Console::Print("%02x ", wm->event_buf[i]);
		if (wm->event_buf[i] > 0)
		{
			//Console::Print("\n");
			return true;
		}
	}
	return false;
}

void handle_event(struct wiimote_t* wm)
{
	//Console::Print("\n\n--- EVENT [id %i] ---\n", wm->unid);

	/* if a button is pressed, report it */
	if (IS_PRESSED(wm, WIIMOTE_BUTTON_A))		Console::Print("A pressed\n");
	if (IS_PRESSED(wm, WIIMOTE_BUTTON_B))		Console::Print("B pressed\n");
	if (IS_PRESSED(wm, WIIMOTE_BUTTON_UP))		Console::Print("UP pressed\n");
	if (IS_PRESSED(wm, WIIMOTE_BUTTON_DOWN))	Console::Print("DOWN pressed\n");
	if (IS_PRESSED(wm, WIIMOTE_BUTTON_LEFT))	Console::Print("LEFT pressed\n");
	if (IS_PRESSED(wm, WIIMOTE_BUTTON_RIGHT))	Console::Print("RIGHT pressed\n");
	if (IS_PRESSED(wm, WIIMOTE_BUTTON_MINUS))	Console::Print("MINUS pressed\n");
	if (IS_PRESSED(wm, WIIMOTE_BUTTON_PLUS))	Console::Print("PLUS pressed\n");
	if (IS_PRESSED(wm, WIIMOTE_BUTTON_ONE))		Console::Print("ONE pressed\n");
	//if (IS_PRESSED(wm, WIIMOTE_BUTTON_ONE))		g_Run = false;
	if (IS_PRESSED(wm, WIIMOTE_BUTTON_TWO))		Console::Print("TWO pressed\n");
	if (IS_PRESSED(wm, WIIMOTE_BUTTON_HOME))	Console::Print("HOME pressed\n");

	/*
	 *	Pressing minus will tell the wiimote we are no longer interested in movement.
	 *	This is useful because it saves battery power.
	 */
	if (IS_JUST_PRESSED(wm, WIIMOTE_BUTTON_MINUS))
	{
		wiiuse_motion_sensing(wm, 0);
		wiiuse_set_ir(wm, 0);
		g_MotionSensing = false;
	}
	// Turn aceelerometer and IR reporting on, there is some kind of bug that prevents us from turing these on
	// directly after each other, so we have to wait for another wiiuse_poll() this way
	if (IS_JUST_PRESSED(wm, WIIMOTE_BUTTON_PLUS))
	{
		wiiuse_motion_sensing(wm, 1);
		g_MotionSensing = true;
	}
	// Turn IR reporting on
	if (g_MotionSensing && !WIIUSE_USING_IR(wm))
		wiiuse_set_ir(wm, 1);

	/* Print battery status */
	if(frame && g_Config.bUpdateRealWiimote)
		frame->m_GaugeBattery->SetValue((int)floor((wm->battery_level * 100) + 0.5));

	/* Create shortcut to the nunchuck */
	struct nunchuk_t* nc = NULL;
	if (wm->exp.type == EXP_NUNCHUK)
		nc = (nunchuk_t*)&wm->exp.nunchuk;

	/* If the accelerometer is turned on then print angles */
	if (WIIUSE_USING_ACC(wm) && WIIUSE_USING_IR(wm))
	{
		std::string Tmp;
		Tmp += StringFromFormat("Roll: %2.1f  ", wm->orient.roll);
		Tmp += StringFromFormat("Pitch: %2.1f  ", wm->orient.pitch);
		Tmp += StringFromFormat("Battery: %1.2f\n", wm->battery_level);
		Tmp += StringFromFormat("G-Force x, y, z: %1.2f %1.2f %1.2f\n", wm->gforce.x, wm->gforce.y, wm->gforce.z);
		Tmp += StringFromFormat("Accel x, y, z: %03i %03i %03i\n", wm->accel.x, wm->accel.y, wm->accel.z);

		// The report size is 0x33 = 18, 0x37 = 22
		int ReportSize; if(WIIUSE_USING_EXP(wm)) ReportSize = 22; else ReportSize = 18;

		// wm->event_buf is cleared at the end of all wiiuse_poll(), so wm->event_buf will always be zero
		// after that. To get the raw IR data we need to read the wiimote again. This seems to work most of the time,
		// it seems to fails with a regular interval about each tenth read.
		if(wiiuse_io_read(wm))
		{
			// Check that it's not zero
			if (IRDataOK(wm)) memcpy(g_EventBuffer, wm->event_buf, ReportSize);
		}

		// Go through each of the 4 possible IR sources
		for (int i = 0; i < 4; ++i)
		{
			// Check if the source is visible
			if (wm->ir.dot[i].visible)
				Tmp += StringFromFormat("IR source %i: (%u, %u)\n", i, wm->ir.dot[i].x, wm->ir.dot[i].y);
		}

		Tmp += "\n";
		Tmp += StringFromFormat("IR cursor: (%u, %u)\n", wm->ir.x, wm->ir.y);
		Tmp += StringFromFormat("IR z distance: %f\n", wm->ir.z);

		if(wm->exp.type == EXP_NUNCHUK)
		{
			Tmp += "\n";
			Tmp += StringFromFormat("Nunchuck accel x, y, z: %03i %03i %03i\n", nc->accel.x, nc->accel.y, nc->accel.z);
		}

		//Tmp += "\n";
		//std::string TmpData = ArrayToString(g_EventBuffer, ReportSize, 0, 30);
		//Tmp += "Data: " + TmpData;

		//Console::ClearScreen();
		//Console::Print("%s\n\n", Tmp.c_str());

		if(frame)
		{
			// Produce adjusted accelerometer values
			u8 AccelX = 0, AccelY = 0, AccelZ = 0;			
			if((wm->accel.x + g_Config.iAccNunNeutralX) <= 255) AccelX = wm->accel.x + g_Config.iAccNeutralX;
			if((wm->accel.y + g_Config.iAccNunNeutralY) <= 255) AccelY = wm->accel.y + g_Config.iAccNeutralY;
			if((wm->accel.z + g_Config.iAccNunNeutralZ) <= 255) AccelZ = wm->accel.z + g_Config.iAccNeutralZ;
			// And for the Nunchuck
			u8 AccelNX = 0, AccelNY = 0, AccelNZ = 0;
			if(wm->exp.type == EXP_NUNCHUK)
			{
				if((nc->accel.x + g_Config.iAccNunNeutralX) <= 255) AccelNX = nc->accel.x + g_Config.iAccNunNeutralX;
				if((nc->accel.y + g_Config.iAccNunNeutralY) <= 255) AccelNY = nc->accel.y + g_Config.iAccNunNeutralY;
				if((nc->accel.z + g_Config.iAccNunNeutralZ) <= 255) AccelNZ = nc->accel.z + g_Config.iAccNunNeutralZ;
			}

			if(g_Config.bUpdateRealWiimote)
			{
				// Update gauges
				frame->m_GaugeRoll[0]->SetValue(wm->orient.roll + 180);
				frame->m_GaugeRoll[1]->SetValue(wm->orient.pitch + 180);

				frame->m_GaugeGForce[0]->SetValue((int)floor((wm->gforce.x * 100) + 300.5));
				frame->m_GaugeGForce[1]->SetValue((int)floor((wm->gforce.y * 100) + 300.5));
				frame->m_GaugeGForce[2]->SetValue((int)floor((wm->gforce.z * 100) + 300.5));				

				frame->m_GaugeAccel[0]->SetValue(AccelX);
				frame->m_GaugeAccel[1]->SetValue(AccelY);
				frame->m_GaugeAccel[2]->SetValue(AccelZ);

				frame->m_TextIR->SetLabel(wxString::Format(
														   wxT("Cursor: %03u %03u\nDistance:%4.0f"), wm->ir.x, wm->ir.y, wm->ir.z));

				frame->m_TextAccNeutralCurrent->SetLabel(wxString::Format(
																		  wxT("Current: %03u %03u %03u"), AccelX, AccelY, AccelZ));

				if(frame->m_bRecording)
					Console::Print("Wiiuse Recorded accel x, y, z: %03i %03i %03i\n", wm->accel.x, wm->accel.y, wm->accel.z);
			}
	
			// Send the data to be saved
			//const u8* data = (const u8*)wm->event_buf;
			frame->DoRecordMovement(AccelX, AccelY, AccelZ, (g_EventBuffer + 6),
				(WIIUSE_USING_EXP(wm) ? 10 : 12));

			// Turn recording on and off
			if (IS_PRESSED(wm, WIIMOTE_BUTTON_A)) frame->DoRecordA(true);
				else frame->DoRecordA(false);
		}
	}
	// Otherwise remove the values
	else
	{
		if (frame)
		{
			
			frame->m_TextAccNeutralCurrent->SetLabel(wxT("Current: 000 000 000"));

			frame->m_GaugeRoll[0]->SetValue(0);
			frame->m_GaugeRoll[1]->SetValue(0);

			frame->m_GaugeGForce[0]->SetValue(0);
			frame->m_GaugeGForce[1]->SetValue(0);
			frame->m_GaugeGForce[2]->SetValue(0);	

			frame->m_GaugeAccel[0]->SetValue(0);
			frame->m_GaugeAccel[1]->SetValue(0);
			frame->m_GaugeAccel[2]->SetValue(0);

			frame->m_TextIR->SetLabel(wxT("Cursor:\nDistance:"));
		}
	}
}

void ReadWiimote()
{
	/* I place this outside wiiuse_poll() to produce a continous recording regardless of the status
	   change of the Wiimote, wiiuse_poll() is only true if the status has changed. However, this the
	   timing functions for recording playback that checks the time of the recording this should not
	   be needed. But I still use it becase it seemed like state_changed() or the threshold values or
	   something else might fail so that only huge status changed were reported. */
	handle_event(g_WiiMotesFromWiiUse[0]);

	// Declaration
	std::string Temp;

	/* Timeout for data reading. This is used in Initialize() to read the Eeprom, if we have not gotten
	   what we wanted in the WIIUSE_READ_DATA case we stop this loop and enable the regular
	   wiiuse_io_read() and wiiuse_io_write() loop again. */
	if (g_RunTemporary)
	{
		// This holds if the update rate of wiiuse_poll() is kept at the default value of 10 ms
		static const int SecondsToWait = 2;
		g_RunTemporaryCountdown++;
		if(g_RunTemporaryCountdown > (SecondsToWait * 100))
		{
			g_RunTemporaryCountdown = 0;
			g_RunTemporary = false;
		}
	}

	// Read formatted Wiimote data
	if (wiiuse_poll(g_WiiMotesFromWiiUse, MAX_WIIMOTES))
	{
		/*
		 *	This happens if something happened on any wiimote.
		 *	So go through each one and check if anything happened.
		 */
		int i = 0;
		for (; i < MAX_WIIMOTES; ++i)
		{
			switch (g_WiiMotesFromWiiUse[i]->event)
			{
				case WIIUSE_EVENT:
					/* a generic event occured */
					//handle_event(g_WiiMotesFromWiiUse[i]);
					break;

				case WIIUSE_STATUS:
					/* a status event occured */
					//handle_ctrl_status(g_WiiMotesFromWiiUse[i]);
					break;

				case WIIUSE_DISCONNECT:
				case WIIUSE_UNEXPECTED_DISCONNECT:
					/* the wiimote disconnected */
					//handle_disconnect(wiimotes[i]);
					break;

				case WIIUSE_READ_DATA:
					/*
					 *	Data we requested to read was returned.
					 *	Take a look at wiimotes[i]->read_req
					 *	for the data.
					 */
					if(g_WiiMotesFromWiiUse[0]->read_req->size == sizeof(WiiMoteEmu::EepromData_0)
						&& g_WiiMotesFromWiiUse[0]->read_req->addr == 0)
					{				
						Temp = ArrayToString(g_WiiMotesFromWiiUse[0]->read_req->buf, sizeof(WiiMoteEmu::EepromData_0), 0, 30);
						memcpy(WiiMoteEmu::g_Eeprom, g_WiiMotesFromWiiUse[0]->read_req->buf, sizeof(WiiMoteEmu::EepromData_0));
						WiiMoteEmu::UpdateEeprom();
						Console::Print("EEPROM: %s\n", Temp.c_str());
						Console::Print("Got neutral values: %i %i %i\n",
							WiiMoteEmu::g_Eeprom[22],WiiMoteEmu::g_Eeprom[23], WiiMoteEmu::g_Eeprom[27]);
						g_RunTemporary = false;
					}
					break;

				case WIIUSE_NUNCHUK_INSERTED:
					/*
					 *	a nunchuk was inserted
					 *	This is a good place to set any nunchuk specific
					 *	threshold values.  By default they are the same
					 *	as the wiimote.
					 */
					 //wiiuse_set_nunchuk_orient_threshold((struct nunchuk_t*)&wiimotes[i]->exp.nunchuk, 90.0f);
					 //wiiuse_set_nunchuk_accel_threshold((struct nunchuk_t*)&wiimotes[i]->exp.nunchuk, 100);
					Console::Print("Nunchuk inserted.\n");
					break;

				case WIIUSE_CLASSIC_CTRL_INSERTED:
					Console::Print("Classic controller inserted.\n");
					break;

				case WIIUSE_GUITAR_HERO_3_CTRL_INSERTED:
					/* some expansion was inserted */
					//handle_ctrl_status(wiimotes[i]);
					Console::Print("Guitar Hero 3 controller inserted.\n");
					break;

				case WIIUSE_NUNCHUK_REMOVED:
				case WIIUSE_CLASSIC_CTRL_REMOVED:
				case WIIUSE_GUITAR_HERO_3_CTRL_REMOVED:
					/* some expansion was removed */
					//handle_ctrl_status(wiimotes[i]);
					Console::Print("An expansion was removed.\n");
					break;

				default:
					break;
			}
		}
	}
}


}; // end of namespace