#include "common.h"

void disp_help()
{
	cout<<"surfer2dat 0.5 - convert surfer's grid file into .dat & .fie files"<<endl<<endl
	<<"usage: surfer2dat input-file -e<input-file2>|-f<elevation|radius>|-d [-r<xmin>/<xmax>/<ymin>/<ymax>] [-o<output-file>]"<<endl
	<<"       -e specify each point's elevation or radius by input-file2 which should be as the same size as input-file"<<endl
	<<"       -f convert to .fie file, elevation or radius of the input data must be given"<<endl
	<<"       -d convert to .dat file"<<endl
	<<"       -r specify the interest area"<<endl
	<<"       -o specify the ouput-name, the input-file's name will be used if -o is absent"<<endl<<endl
	<<"example: surfer2dat in.grd -d example_out"<<endl;
}

int main(int argc, char* argv[])
{
	if (argc==1)
	{
		disp_help();
	}
	else if (argc==2)
	{
		cout<<"too few arguments, program stopped..."<<endl;
	}
	else
	{
		CON c;
		int space_num;
		string temp = "";
		string input_name = "";
		string input_name2 = "";
		string output_name = "";
		stringstream stemp;
		int out_type = -1;
		double range[4] = {MAX,MAX,MAX,MAX};
		double topo = MAX;

		input_name = argv[1];

		for (int i = 2; i < argc; i++)
		{
			if (typeget(argv[i],OUTPUT,temp))//取得输出名
			{
				output_name = temp;
				temp = "";
			}

			if (typeget(argv[i],ELE,temp))
			{
				if (temp=="")
				{
					cout<<"no input_name for '-e' command, program stopped..."<<endl;
					return 0;
				}
				else
				{
					input_name2 = temp;
					temp = "";
					out_type = 1;
				}
			}

			if (typeget(argv[i],FIE,temp))
			{
				if (temp=="")
				{
					cout<<"no input for '-f' command, program stopped..."<<endl;
					return 0;
				}
				else
				{
					stemp.clear();
					stemp.str(temp);
					stemp>>topo;
					out_type = 1;
				}
			}

			if (!strcmp(argv[i],DAT)) out_type = 2;

			if (typeget(argv[i],RANGE,temp))
			{
				replace_all(temp,"/"," ",space_num);
				stemp.clear();
				stemp.str(temp);
				if (space_num==3)
				{
					stemp>>range[0]>>range[1]>>range[2]>>range[3];
					if (range[0]>range[1])
					{
						cout<<"wrong x range, program stopped..."<<endl;
						return 0;
					}
					else if (range[2]>range[3])
					{
						cout<<"wrong y range, program stopped..."<<endl;
						return 0;
					}
				}
				else
				{
					cout<<"insufficient attributes information, program stoped..."<<endl;
					return 0;
				}
			}
		}


		if(output_name=="")
		{
			char* fullname;
			int len = input_name.length();
			fullname=(char *)malloc((len+1)*sizeof(char));
			input_name.copy(fullname,len,0);
			nameget(fullname,GRD,output_name);
		}
		if(c.run(input_name,input_name2,output_name,out_type,topo,range)) return 0;
	}
	return 0;
}