// Copyright (c) 2012- PPSSPP 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 or later versions.

// 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 git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.

#pragma once

#include "InputDevice.h"

struct RawInputState
{
	UINT button;
	UINT prevButton;
	RawInputState() {
		button = 0;
		prevButton = 0;
	}
};

#define POV_CODE_UP 0x0100
#define POV_CODE_DOWN 0x0200
#define POV_CODE_LEFT 0x0400
#define POV_CODE_RIGHT 0x0800
#define XBOX_CODE_LEFTTRIGER  0x00010000
#define XBOX_CODE_RIGHTTRIGER 0x00020000

#define CONTROLS_KEYBOARD_INDEX        0
#define CONTROLS_DIRECT_INPUT_INDEX    1
#define CONTROLS_XINPUT_INDEX          2
#define CONTROLS_KEYBOARD_ANALOG_INDEX 3
#define CONTROLS_DEVICE_NUM            4


extern bool saveControlsToFile();
extern bool loadControlsFromFile();

extern const unsigned int  xinput_ctrl_map_size;
extern const unsigned int key_pad_map_size;
extern const unsigned int analog_ctrl_map_size;
extern const unsigned int dinput_ctrl_map_size;

struct RawInputState;
class DinputDevice;
class XinputDevice;

class ControlMapping
{
public:
	static ControlMapping * CreateInstance(UINT nButtons);
	virtual ~ControlMapping();
	void UpdateState();
	void BindToDevices();
	void SetTargetDevice(UINT deviceIdx);
	UINT  GetTargetDevice();
	void SetTargetButton(UINT buttonIdx);
	UINT  GetTargetButton();
	void  SetBindCode(UINT newCode);
	void SetBindCode(UINT newCode, UINT buttonIdx);
	void SetBindCode(UINT newCode, UINT deviceIdx, UINT buttonIdx);
	UINT  GetBindCode();
	UINT  GetBindCode(UINT buttonIdx);
	UINT  GetBindCode(UINT deviceIdx, UINT buttonIdx);
	void SetDisableBind();
	void SetDisableBind(UINT buttonIdx);
	void SetDisableBind(UINT deviceIdx, UINT buttonIdx);

private:
	ControlMapping(UINT nButtons);
	ControlMapping();
	inline UINT* GetDeviceButtonsMap(UINT curDevice);

private:
	std::shared_ptr<DinputDevice> dinput;
	std::shared_ptr<XinputDevice> xinput;
	UINT  currentDevicePage;
	UINT  currentButtonIndex;
	UINT  buttonsCount;
	RawInputState rawState;
	UINT *pButtonsMap;
};