#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include "nms.h"

int main(void) {
	int termCols, spaces = 0;
	char input;
	char display[2000];
	char *head1Left      = "DATANET PROC RECORD:  45-3456-W-3452";
	char *head1Right     = "Transnet on/xc-3";
	char *head2Center    = "FEDERAL RESERVE TRANSFER NODE";
	char *head3Center    = "National Headquarters";
	char *head4Center    = "************  Remote Systems Network Input Station  ************";
	char *head5Center    = "================================================================";
	char *menu1          = "[1] Interbank Funds Transfer  (Code Prog: 485-GWU)";
	char *menu2          = "[2] International Telelink Access  (Code Lim: XRP-262)";
	char *menu3          = "[3] Remote Facsimile Send/Receive  (Code Tran:  2LZP-517)";
	char *menu4          = "[4] Regional Bank Interconnect  (Security Code:  47-B34)";
	char *menu5          = "[5] Update System Parameters  (Entry Auth. Req.)";
	char *menu6          = "[6] Remote Operator Logon/Logoff";
	char *foot1Center    = "================================================================";
	char *foot2Center    = "[ ] Select Option or ESC to Abort";
	NmsArgs args = INIT_NMSARGS;

	// Get terminal dimentions (needed for centering)
	struct winsize w;
	ioctl(0, TIOCGWINSZ, &w);
	termCols = w.ws_col;

	// Start building the display string
	strcpy(display, head1Left);

	spaces = termCols - strlen(head1Left) - strlen(head1Right);
	while (spaces > 0) {
		strcat(display, " ");
		--spaces;
	}
	strcat(display, head1Right);

	strcat(display, "\n");

	spaces = (termCols - strlen(head2Center)) / 2;
	while (spaces > 0) {
		strcat(display, " ");
		--spaces;
	}
	strcat(display, head2Center);

	strcat(display, "\n");
	strcat(display, "\n");

	spaces = (termCols - strlen(head3Center)) / 2;
	while (spaces > 0) {
		strcat(display, " ");
		--spaces;
	}
	strcat(display, head3Center);

	strcat(display, "\n");
	strcat(display, "\n");

	spaces = (termCols - strlen(head4Center)) / 2;
	while (spaces > 0) {
		strcat(display, " ");
		--spaces;
	}
	strcat(display, head4Center);

	strcat(display, "\n");

	spaces = (termCols - strlen(head5Center)) / 2;
	while (spaces > 0) {
		strcat(display, " ");
		--spaces;
	}
	strcat(display, head5Center);

	strcat(display, "\n");
	strcat(display, "\n");

	spaces = ((termCols - strlen(head5Center)) / 2) + 3;
	while (spaces > 0) {
		strcat(display, " ");
		--spaces;
	}
	strcat(display, menu1);

	strcat(display, "\n");

	spaces = ((termCols - strlen(head5Center)) / 2) + 3;
	while (spaces > 0) {
		strcat(display, " ");
		--spaces;
	}
	strcat(display, menu2);

	strcat(display, "\n");

	spaces = ((termCols - strlen(head5Center)) / 2) + 3;
	while (spaces > 0) {
		strcat(display, " ");
		--spaces;
	}
	strcat(display, menu3);

	strcat(display, "\n");

	spaces = ((termCols - strlen(head5Center)) / 2) + 3;
	while (spaces > 0) {
		strcat(display, " ");
		--spaces;
	}
	strcat(display, menu4);

	strcat(display, "\n");

	spaces = ((termCols - strlen(head5Center)) / 2) + 3;
	while (spaces > 0) {
		strcat(display, " ");
		--spaces;
	}
	strcat(display, menu5);

	strcat(display, "\n");

	spaces = ((termCols - strlen(head5Center)) / 2) + 3;
	while (spaces > 0) {
		strcat(display, " ");
		--spaces;
	}
	strcat(display, menu6);

	strcat(display, "\n");
	strcat(display, "\n");

	spaces = (termCols - strlen(foot1Center)) / 2;
	while (spaces > 0) {
		strcat(display, " ");
		--spaces;
	}
	strcat(display, foot1Center);

	strcat(display, "\n");
	strcat(display, "\n");

	spaces = (termCols - strlen(foot2Center)) / 2;
	while (spaces > 0) {
		strcat(display, " ");
		--spaces;
	}
	strcat(display, foot2Center);

	// Set needed args
	args.src = display;
	args.return_opts = "123456";
	args.input_cursor_y = 18;
	args.input_cursor_x = ((termCols - strlen(foot2Center)) / 2) + 1;

	// Display characters
	input = nms_exec(&args);

	switch (input) {
		case '1':
			printf("User chose 1\n");
			break;
		case '2':
			printf("User chose 2\n");
			break;
		case '3':
			printf("User chose 3\n");
			break;
		case '4':
			printf("User chose 4\n");
			break;
		case '5':
			printf("User chose 5\n");
			break;
		case '6':
			printf("User chose 6\n");
			break;
		default:
			printf("Unrecognized selection: %c\n", input);
			break;
	}

	return 0;
}