/**
	rexbacklight
	Copyright (C) 2018 rexy712

	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, either version 3 of the License, or
	(at your option) any later version.

	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 for more details.

	You should have received a copy of the GNU General Public License
	along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef RECBACKLIGHT_CMD_H
#define REXBACKLIGHT_CMD_H

#define OP_SET 4
#define OP_LIST 8
#define OP_GET 128
#define OP_NONE 0

#define GET_LONG_OPT "--get"
#define GET_SHORT_OPT "-g"
#define FADE_LONG_OPT "--fade"
#define FADE_SHORT_OPT "-f"
#define DEVICE_LONG_OPT "--device"
#define DEVICE_SHORT_OPT "-d"
#define LIST_LONG_OPT "--list"
#define LIST_SHORT_OPT "-l"
#define HELP_LONG_OPT "--help"
#define HELP_SHORT_OPT "-h"

struct cmd_arg{
	const char* lopt;
	const char* sopt;
	const char* desc;
};

extern struct cmd_arg rexbacklight_args[];
extern int rexbacklight_args_length;

struct arg_values{
	struct arg_values* next;

	//Specific device to control
	//NULL means all devices
	const char* device;

	//What value to put in the backlight file
	char* delta;

	//How many seconds to transition
	int fade_duration;

	unsigned char operation;
};



void free_cmd_args(struct arg_values* a);
struct arg_values process_cmd_args(int argc, char** argv);
int process_op(char* arg, float min, float current, float max);

#endif