/**
* Sigstoped
* Copyright (C) 2020 Carl Klemm
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 3 as published by the Free Software Foundation.
*
* 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, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA  02110-1301, USA.
*/

#pragma once
#include<argp.h>
#include<string>

struct Config
{
	char** inFileNames = NULL;
	std::string norm = "";
	std::string maps = "";
	std::string bg = "";
	int blockSize = 5;
	int apature = 5; 
	float detectorParameter = 0.01; 
	float minSize = 7;  
	bool verbose = false;
	bool quiet = false;
};

const char *argp_program_version = "0.2";
const char *argp_program_bug_address = "<carl@uvos.xyz>";
static char doc[] = "Program to determine the lubricant thikness on a curved surface";
static char args_doc[] = "";

static struct argp_option options[] = 
{
{"verbose",  'v', 0,      0,  "Enable verbose logging" },
{"quiet",  'q', 0,      0,  "Disable info messages" },
{"map", 'm', "File Name",      0,  "remap maps file" },
{"bg", 'b', "File Name",      0,  "background image file" },
{"normalize", 'n', "File Name",      0,  "image to use as a normalization source" },
{"apature", 'a', "Value",      0,  "Sobel size" },
{"block-size", 't', "Value",      0,  "Harris neighborhood size " },
{"detector-arameter", 'd', "Value",      0,  "Harris detector parameter" },
{"min-size", 's', "Value",      0,  "Smallest feature accepted as a corner" },
{ 0 }
};


error_t parse_opt (int key, char *arg, struct argp_state *state)
{
	Config* config = reinterpret_cast<Config*>(state->input);
	switch (key)
	{
		case 'v':
			config->verbose = true;
		break;
		case 'q':
			config->quiet = true;
		break;
		case 'm':
			config->maps.assign(arg);
		break;
		case 'b':
			config->bg.assign(arg);
		break;
		case 'n':
			config->norm.assign(arg);
		break;
		case 'a':
			config->apature=atol(arg);
			if(config->apature % 2 == 0) ++config->apature;
		break;
		case 't':
			config->blockSize=atol(arg);
			if(config->blockSize % 2 == 0) ++config->blockSize;
		break;
		case 'd':
			config->detectorParameter=atol(arg);
		break;
		case 's':
			config->minSize=atol(arg);
		break;
		case ARGP_KEY_NO_ARGS:
			argp_usage(state);
		case ARGP_KEY_ARG:
			config->inFileNames = &state->argv[state->next-1];
			state->next = state->argc;
			break;
		default:
		return ARGP_ERR_UNKNOWN;
	}
	return 0;
}
static struct argp argp = { options, parse_opt, args_doc, doc };