From d19f3fd4cc08a1aba44aa61f8d657363fbb5d720 Mon Sep 17 00:00:00 2001
From: Andy Spencer <andy753421@gmail.com>
Date: Sun, 27 Nov 2016 04:39:06 +0000
Subject: [PATCH] Add day and week output flags

---
 src/args.c | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
 src/args.h |  1 +
 src/main.c |  3 +++
 3 files changed, 76 insertions(+), 1 deletion(-)

diff --git a/src/args.c b/src/args.c
index afc0b48..1fceff6 100644
--- a/src/args.c
+++ b/src/args.c
@@ -21,18 +21,26 @@
 
 #include "args.h"
 #include "util.h"
+#include "conf.h"
+#include "date.h"
+#include "cal.h"
 
 /* Setup info */
 static int    argc;
 static char **argv;
 
 /* Options */
-const char *short_options = "h";
+const char *short_options = "hdw";
 
 struct option long_options[] = {
 	{"help", 0, NULL, 'h'},
+	{"day",  2, NULL, 'd'},
+	{"week", 2, NULL, 'w'},
 };
 
+static int print_day  = 0;
+static int print_week = 0;
+
 /* Usage */
 static void usage(char *name)
 {
@@ -41,6 +49,8 @@ static void usage(char *name)
 	printf("\n");
 	printf("Options:\n");
 	printf("  -h, --help  Print usage information\n");
+	printf("  -d, --day   Show today's events\n");
+	printf("  -w, --week  Show this week's events\n");
 }
 
 /* Initialize */
@@ -53,6 +63,7 @@ void args_setup(int _argc, char **_argv)
 /* Initialize */
 void args_init(void)
 {
+	/* Parse arguments */
 	while (1) {
 		int c = getopt_long(argc, argv,
 				short_options, long_options, NULL);
@@ -63,6 +74,66 @@ void args_init(void)
 				usage(argv[0]);
 				exit(0);
 				break;
+			case 'd':
+				print_day = 1;
+				break;
+			case 'w':
+				print_week = 1;
+				break;
+		}
+	}
+
+	/* Validate arguments */
+	if (print_day && print_week)
+		error("Cannot print both day and week");
+}
+
+void args_main(void)
+{
+	if (print_day || print_week) {
+		event_t *event = EVENTS;
+		for (int d = 0; d < (print_day ? 1 : 7); d++) {
+			/* Get start and end of the day */
+			date_t start = {SEL.year, SEL.month, SEL.day,  0, 0};
+			date_t end   = {SEL.year, SEL.month, SEL.day, 24, 0};
+
+			add_days(&start.year, &start.month, &start.day, d);
+			add_days(&end.year,   &end.month,   &end.day,   d);
+
+
+			/* Print day header */
+			wday_t wday = day_of_week(start.year, start.month, start.day);
+			printf("%s%s, %s %d, %d\n",
+				d ? "\n" : "",
+				day_to_string(wday),
+				month_to_string(start.month),
+				start.day+1,
+				start.year);
+
+			/* Skip forward to the day */
+			while (event && compare(&start, &event->start) > 0)
+				event = event->next;
+
+			/* Print event info */
+			int printed = 0;
+			while (event && compare(&end, &event->start) > 0) {
+				printf("%s  %02d:%02d",
+					printed ? "\n" : "",
+					event->start.hour,
+					event->start.min);
+				if (event->name)
+					printf("  %s\n", event->name);
+				if (event->desc)
+					printf("\n  %s\n", event->desc);
+				printed++;
+				event = event->next;
+			}
+
+			/* Print no events */
+			if (!printed)
+				printf("  No events\n");
 		}
+
+		exit(0);
 	}
 }
diff --git a/src/args.h b/src/args.h
index cca1b5e..8b327df 100644
--- a/src/args.h
+++ b/src/args.h
@@ -18,3 +18,4 @@
 /* Functions */
 void args_setup(int argc, char **argv);
 void args_init(void);
+void args_main(void);
diff --git a/src/main.c b/src/main.c
index f957575..99816b1 100644
--- a/src/main.c
+++ b/src/main.c
@@ -56,6 +56,9 @@ int main(int argc, char **argv)
 	date_init();
 	cal_init();
 
+	/* Run args main */
+	args_main();
+
 	/* Run view main */
 	view_init();
 	view_main();
-- 
2.43.2