From 14dd3ef4196af7c2269d80931dfcdcd1c3068857 Mon Sep 17 00:00:00 2001
From: David Vazgenovich Shakaryan <dvshakaryan@gmail.com>
Date: Tue, 24 May 2022 16:42:19 -0700
Subject: calculate suggested checkouts in lib code

---
 checkouts.c | 30 +++++++++++++++++++++++++-----
 1 file changed, 25 insertions(+), 5 deletions(-)

(limited to 'checkouts.c')

diff --git a/checkouts.c b/checkouts.c
index 5062ecf..a0bfaf2 100644
--- a/checkouts.c
+++ b/checkouts.c
@@ -1,7 +1,29 @@
-#ifndef CHECKOUT_H
-#define CHECKOUT_H
+#include "board.h"
+#include "checkouts.h"
 
-#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+
+char *checkouts_suggested(int rem)
+{
+	if (rem < 2 || rem > 170)
+		return NULL;
+
+	char *str = NULL, *p = NULL;
+	char *target;
+	int i = 3, trem = rem;
+	while (i && trem && (target = CHECKOUTS[--i][trem - 1])) {
+		if (i == 2)
+			p = str = malloc(3 * SEGMENT_MAX_LEN);
+		else
+			*p++ = '-';
+		p = stpcpy(p, target);
+
+		trem -= segment_points(segment_from_name(target));
+	}
+
+	return str;
+}
 
 char *CHECKOUTS[][170] = {
 	{
@@ -715,5 +737,3 @@ char *SETUP_SHOTS[191] = {
 		"T20", // 190
 		"T19", // 191
 };
-
-#endif
-- 
cgit v1.2.3-70-g09d2