#include <stdio.h>
#include <math.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "nrutil.h"
#include "nrutil.c"
#include "UVStruct.c"
#include "UVCommon.c"

void main(void)

{
	int i, j;
	int n_col, n_file, n_row, record, ok;
	int hh, mm, ss, dd, yy;
	int day, year;
	double fraction, integer;
	float **data, *Utime, *temp;
	float x_in;
	char st[128], ch[2];
	char sch_file[20], in_file[20], out_file[20], sum_file[20];
	char start_time[10], stop_time[10], iii[8];
	
	struct tm date;
	struct scan_header USDA;
	
	FILE *fp_sch, *fp_in, *fp_out, *fp_data;
	
	Utime = vector(1, 10);
	data = matrix(1, 10, 1, 8);
	temp = vector(1, 10);
	
	printf("Line Schedule File: ");			// schedule of scans
	scanf("%s", &sch_file);	
	sscanf(sch_file, "96Ln_Sch.%s", &iii);
	
	fp_sch = fopen(sch_file, "r");
	
	sprintf(sum_file, "96FL.%s", iii);
	fp_data = fopen(sum_file, "w");		// compilation of header data
	fprintf(fp_data, "Header:\n");
	fprintf(fp_data, "Number_of_columns\t19\n");
	fprintf(fp_data, "Labels:\n");
	fprintf(fp_data, "File\tInstrument\tSource\tLocation\tEnvironment\t");
	fprintf(fp_data, "Year\tDay\tDate\tOperation\tMeasurement_type\t");
	fprintf(fp_data, "Measurement_purpose\tNumber_of_scans\tNumber_of_columns\t");
	fprintf(fp_data, "Number_of_rows\tStart_time\tStop_time\t");
	fprintf(fp_data, "Comments\tData_file\tAnalysis_file\n");
	fprintf(fp_data, "\t\t\t\t\t\t\t\t\t\t\t\t\t\t");
	fprintf(fp_data, "[UTC]\t[UTC]\n");
	fprintf(fp_data, "Data:\n");
	
	fscanf(fp_sch, "%s %s %d", &st, &st, &n_col);
	do{
		fscanf(fp_sch, "%s", &st);
	} while(strcmp(st, "Data:") != 0);
	
	while(fscanf(fp_sch, "%s", &in_file) != EOF){		// read scan schedule info.
		strcpy(USDA.data_file, in_file);
		fscanf(fp_sch, "%d", &i);
		fscanf(fp_sch, "%s", USDA.inst);
		fscanf(fp_sch, "%s", USDA.source);
		fscanf(fp_sch, "%s", USDA.locat);
		fscanf(fp_sch, "%s", USDA.envir);
		fscanf(fp_sch, "%s", USDA.operat);
		fscanf(fp_sch, "%s", USDA.meas_type);
		fscanf(fp_sch, "%s", USDA.meas_purp);
		fscanf(fp_sch, "%s", start_time);
		fscanf(fp_sch, "%s", stop_time);
		fscanf(fp_sch, "%s", USDA.comments);
		printf("%s\t%s\n", USDA.inst, start_time);
		
		fp_in = fopen(in_file, "r");
		
		printf("%s\t", in_file);
		
		n_row = 1;
		record = 0;							
		while(fscanf(fp_in, "%s", &st) != EOF){					// read data
			if(strcmp(start_time, st) == 0) record = 1;
			for(i = 1; i <= 8; i++){	
				fscanf(fp_in, "%f", &x_in);
				if(record == 1){ 
					data[n_row][i] = x_in;
					sscanf(st, "%2d:%2d:%2d", &hh, &mm, &ss);
					Utime[n_row] = hh + (float)mm/60.0 + (float)ss/3600.0;
				}
			}
			if(record == 1) n_row++;
			if(strcmp(stop_time, st) == 0) break;
		}
		n_row--;
		fclose(fp_in);
		
		sscanf(start_time, "%2d:%2d:%2d", &hh, &mm, &ss);		// convert times
		USDA.start_time = hh + (float)mm/60.0 + (float)ss/3600.0;
		sscanf(stop_time, "%2d:%2d:%2d", &hh, &mm, &ss);
		USDA.stop_time = hh + (float)mm/60.0 + (float)ss/3600.0;
		
		USDA.year = 1996;
		USDA.day = 174;
		day_to_date(USDA.year, USDA.day, USDA.date); 
		
		n_file = 1;												// create formatted file
		do{
			sprintf(out_file, "96%03dFL%1d.%s", USDA.day, n_file, iii);
			ok = file_exist(out_file);
			n_file++;
		} while(ok == 1);
		
		fp_out = fopen(out_file, "w");						// store header info.
		printf("%s\n", out_file);
		fprintf(fp_data, "%s\t", out_file);
		fprintf(fp_out, "Header:\n");
		fprintf(fp_out, "Instrument\t%s\n", USDA.inst);
		fprintf(fp_data, "%s\t", USDA.inst);
		fprintf(fp_out, "Source\t%s\n", USDA.source);
		fprintf(fp_data, "%s\t", USDA.source);
		fprintf(fp_out, "Location\t%s\n", USDA.locat);
		fprintf(fp_data, "%s\t", USDA.locat);
		fprintf(fp_out, "Environment\t%s\n", USDA.envir);
		fprintf(fp_data, "%s\t", USDA.envir);
		fprintf(fp_out, "Year\t%d\n", USDA.year);
		fprintf(fp_data, "%d\t", USDA.year);
		fprintf(fp_out, "Day\t%d\n", USDA.day);
		fprintf(fp_data, "%d\t", USDA.day);
		fprintf(fp_out, "Date\t%s\n", USDA.date);
		fprintf(fp_data, "%s\t", USDA.date);
		fprintf(fp_out, "Operation\t%s\n", USDA.operat);
		fprintf(fp_data, "%s\t", USDA.operat);
		fprintf(fp_out, "Measurement_type\t%s\n", USDA.meas_type);
		fprintf(fp_data, "%s\t", USDA.meas_type);
		fprintf(fp_out, "Measurement_purpose\t%s\n", USDA.meas_purp);
		fprintf(fp_data, "%s\t", USDA.meas_purp);
		fprintf(fp_out, "Number_of_scans\t1\n");
		fprintf(fp_data, "1\t");
		fprintf(fp_out, "Number_of_columns\t8\n");
		fprintf(fp_data, "8\t");
		fprintf(fp_out, "Number_of_rows\t%d\n", n_row);
		fprintf(fp_data, "%d\t", n_row);
		fprintf(fp_out, "Start_time\t%.5f\t[UTC]\n", USDA.start_time);
		fprintf(fp_data, "%.5f\t", USDA.start_time);
		fprintf(fp_out, "Stop_time\t%.5f\t[UTC]\n", USDA.stop_time);
		fprintf(fp_data, "%.5f\t", USDA.stop_time);
		fprintf(fp_out, "Comments\t%s\n", USDA.comments);
		fprintf(fp_data, "%s\t", USDA.comments);
		fprintf(fp_out, "Data_file\t%s\n", USDA.data_file);
		fprintf(fp_data, "%s\t", USDA.data_file);
		fprintf(fp_out, "Analysis_program\tFmt_96USDA_Ln.c\n");
		fprintf(fp_data, "Fmt_96USDA_Ln.c\n");
		fprintf(fp_out, "Labels:\n");
		fprintf(fp_out, "Time\t");
		for(i = 1; i <= 7; i++){
			fprintf(fp_out, "Signal_Ch%1d\t", i);
		}
		fprintf(fp_out, "\n");
		fprintf(fp_out, "[UTC]\t");
		for(i = 1; i <= 7; i++){
			fprintf(fp_out, "[V]\t");
		}
		fprintf(fp_out, "\n");
		fprintf(fp_out, "Data:\n");
		for(i = 1; i <= n_row; i++){					// store data
			fprintf(fp_out, "%.5f\t", Utime[i]);
			for(j = 2; j <= 8; j++){
				fprintf(fp_out, "%.7f\t", data[i][j]);
			}
			fprintf(fp_out,"\n");
		}
		
		fclose(fp_out);
	}
	fclose(fp_sch);	
	fclose(fp_data);	
}