#include <stdlib.h>
#include <stdio.h>    
#include <string.h>

char* copyString(char s[])
{
    char* s2;
    s2 = (char*)malloc(20);
 
    strcpy(s2, s);
    return (char*)s2;
}

int daynum (int m, int d, int y) {
// some files include the day # in the file name so we need to calculate it here
	int num = 0;
	int IsLeapYear = 0;
	if ((y % 4 == 0 && y % 100 !=0) || (y % 400 == 0)) {
		IsLeapYear = 1;
	}
	
	//takes month int and uses it to calculate how many days have passed prior to current months start
	//now calculates leap year!
	switch(m) {
		case 1 :
			break;
		case 2 :
			num = num + 31;
			break;
		case 3 :
			num = num + IsLeapYear + 59;
			break;
		case 4 :
			num = num + IsLeapYear + 90;
			break;
		case 5 :
			num = num + IsLeapYear + 120;
			break;
		case 6 :
			num = num + IsLeapYear + 151;
			break;
		case 7 :
			num = num + IsLeapYear + 181;
			break;
		case 8 :
			num = num + IsLeapYear + 212;
			break;
		case 9 :
			num = num + IsLeapYear + 243;
			break;
		case 10 :
			num = num + IsLeapYear + 273;
			break;
		case 11 :
			num = num + IsLeapYear + 304;
			break;
		case 12 :
			num = num + IsLeapYear + 334;
			break;
		default :
			printf("Invalid date\n");
			//printf(m, d, y, IsLeapYear);
			exit(0);
	}
	
	//adds the amount of days in each previous month and the day selected.
	num = num + d;	
	return num;
}

int main() { 

	int startdate;
	int enddate;
	char station[2];
	
	//thought it would look cool, got bored
	printf("+========================================+\n"); 
	printf("||                                      ||\n"); 
	printf("||      __  __          _____ _____     ||\n");
	printf("||     |  \\/  |   /\\   / ____|_   _|    ||\n");
 	printf("||     | \\  / |  /  \\ | |  __  | |      ||\n");
	printf("||     | |\\/| | / /\\ \\| | |_ | | |      ||\n");
	printf("||     | |  | |/ ____ \\ |__| |_| |_     ||\n");
	printf("||     |_|  |_/_/    \\_\\_____|_____|    ||\n");
	printf("||                                      ||\n"); 
	printf("|| Refer to xxxxxxxxx for documentation ||\n"); 
	printf("||______________________________________||\n"); 
	printf("||                                      ||\n"); 
	printf("||  ----------------------------------  ||\n"); 
	printf("|| All dates MUST be in MMDDYYYY format ||\n"); 
	printf("||  ----------------------------------  ||\n"); 
	printf("||                                      ||\n");
	printf("+========================================+\n");
	printf("\n       Please enter desired station\n");
	printf("\n            > ");
	scanf("%s", station);
	printf("\n       Please enter the start date\n");
	printf("\n            > ");
	scanf("%d", &startdate);
	printf("\n \n       Please enter the end date  \n");
	printf("\n            > ");
	scanf("%d", &enddate);
	printf("\n");



//split up the dates into individiual ints 
int startmonth = startdate / 1000000;
int startday = (startdate / 10000) % 100;
int startyear = startdate % 10000;

int endmonth = enddate / 1000000;
int endday = (enddate / 10000) % 100;
int endyear = enddate % 10000;


//debug
//printf("%02d\n", startmonth);
//printf("%02d\n", startday);
//printf("%02d\n", startyear);
//printf("%02d\n", daynum(startmonth, startday, startyear));

char st1[50];
char strr1[50];

// checking for invalid inputs.
if ((strcmp(station, "LYR") == 0) ||
(strcmp(station, "NAL") == 0) ||
(strcmp(station, "UNH") == 0) ||
(strcmp(station, "IQA") == 0))
{
  strcpy(st1, "bash Process_Old_DAQ.sh ");
}
else if (strcmp(station, "SPA") == 0)
{
  strcpy(st1, "bash snag_dat_spa.sh ");
  strcpy(strr1, "bash spaconverttest.sh ");
}
else if (strcmp(station, "MCM") == 0)
{
  strcpy(st1, "bash snag_dat_mcm.sh ");
  strcpy(strr1, "bash mcmconverttest.sh ");
}
else if (strcmp(station, "VNA") == 0)
{
  strcpy(st1, "bash snag_dat_vna.sh ");
}
else if (strcmp(station, "JBS") == 0) //write "elligeble" script for terminal command formatting
{
  // do something else
}
else if (strcmp(station, "KSS") == 0)
{
  // do something else
}
else if (strcmp(station, "AAL") == 0)
{
  // do something else
}
else /* default: */
{
	printf("Invalid station ");
	exit(0);
}

if (startmonth > 12) {
	printf("Invalid date\n");
	exit(0);
}
if (endmonth > 12) {
	printf("Invalid date\n");
	exit(0);
}




// this was made with StringBuilder in mind. too bad this is C!
// sorry for whoever needs to clean this up in the future. It just works!
//todo: optimize bit allocation for the "stringbuilder" so it doesnt cause a memory leak.
 
	char st2[10]; //nth day of year
	
	//printf(station[2]);
	
	char* prestat;
	prestat = copyString(station);
	//printf("%s", prestat);


	sprintf(st2, "%d", daynum(startmonth, startday, startyear));
	//replaces element station[2] with "1", SOMEHOW.


	char st3[10] = " "; 
	char st4[10]; //start month
	sprintf(st4, "%d", startmonth);
	char st5[10] = " ";
	char st6[10]; //end month
	sprintf(st6, "%d", endmonth);
	char st7[10] = " ";
	char st8[10]; // year
	char st9[10] = " ";
	sprintf(st8, "%d", endyear);



// "SCRIPT NAME"   $1        $2        $3      $4      $5
//       st1     daynum  startmonth endmonth endyear station

	strcat(st1, st2);
	strcat(st1, st3);
	strcat(st1, st4);
	strcat(st1, st5);
	strcat(st1, st6);
	strcat(st1, st7);
	strcat(st1, st8);
	strcat(st1, st9);
	strcat(st1, prestat);

	//debug. st1 is what goes straight to the terminal
	//printf(st1);
	//printf("%s", prestat); 
	system(st1);



if ~((strcmp(station, "LYR") == 0) ||
(strcmp(station, "NAL") == 0) ||
(strcmp(station, "UNH") == 0) ||
(strcmp(station, "IQA") == 0))
{
//1ST convert 

//i just copied the same code because it works fine
//char strr1[40] = "bash spaconverttest.sh ";    //CONVERSION SCRIPT NAME. MAKE SURE THIS IS CORRECT!	
	char strr2[10]; //nth day of year
	sprintf(strr2, "%d", daynum(startmonth, startday, startyear));
	char strr3[10] = " "; 
	char strr4[10]; //start month
	sprintf(strr4, "%d", startmonth);
	char strr5[10] = " ";
	char strr6[10]; //end month
	sprintf(strr6, "%d", endmonth);
	char strr7[10] = " ";
	char strr8[10]; // year
	sprintf(strr8, "%d", endyear);

	strcat(strr1, strr2);
	strcat(strr1, strr3);
	strcat(strr1, strr4);
	strcat(strr1, strr5);
	strcat(strr1, strr6);
	strcat(strr1, strr7);
	strcat(strr1, strr8);

	//debug. str1 is what goes straight to the terminal
	//printf(strr1); 
	system(strr1);
 }
	return 1;
}
/*make cdfs
	char str1[40] = "bash make_cdfstest.sh ";    //CONVERSION SCRIPT NAME. MAKE SURE THIS IS CORRECT!	
	char str2[10]; //nth day of year
	sprintf(str2, "%d", daynum(startmonth, startday, startyear));
	char str3[10] = " "; 
	char str4[10]; //start month
	sprintf(str4, "%d", startmonth);
	char str5[10] = " ";
	char str6[10]; //end month
	sprintf(str6, "%d", endmonth);
	char str7[10] = " ";
	char str8[10]; // year
	sprintf(str8, "%d", endyear);
	
	strcat(str1, str2);
	strcat(str1, str3);
	strcat(str1, str4);
	strcat(str1, str5);
	strcat(str1, str6);
	strcat(str1, str7);
	strcat(str1, str8);
	
	//debug. str1 is what goes straight to the terminal
	//printf(str1); 
	system(str1);
	
	
//make plots
	char s1[40] = "bash make_batchtest.sh ";    //CONVERSION SCRIPT NAME. MAKE SURE THIS IS CORRECT!	
	char s2[10]; //nth day of year
	sprintf(s2, "%d", daynum(startmonth, startday, startyear));
	char s3[10] = " "; 
	char s4[10]; //start month
	sprintf(s4, "%d", startmonth);
	char s5[10] = " ";
	char s6[10]; //end month
	sprintf(s6, "%d", endmonth);
	char s7[10] = " ";
	char s8[10]; // year
	sprintf(s8, "%d", endyear);
	
	strcat(s1, s2);
	strcat(s1, s3);
	strcat(s1, s4);
	strcat(s1, s5);
	strcat(s1, s6);
	strcat(s1, s7);
	strcat(s1, s8);
	
	//debug. s1 is what goes straight to the terminal
	//printf(s1); 
	system(s1);


    return 0;   
} */