From 831f9f01fbe4088eb6bd378c0e417d9996b676fd Mon Sep 17 00:00:00 2001
From: scratko <m@scratko.xyz>
Date: Fri, 30 Aug 2024 12:46:56 +0300
Subject: Final version v2.0

Added windows client.
SIGPIPE signal was being sent to the server when the client was disconnected.
Now there is handling of this signal.
Added a delay when displaying some informational messages.
---
 windows_client/verification_client_input.c | 116 +++++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 windows_client/verification_client_input.c

(limited to 'windows_client/verification_client_input.c')

diff --git a/windows_client/verification_client_input.c b/windows_client/verification_client_input.c
new file mode 100644
index 0000000..08b00fc
--- /dev/null
+++ b/windows_client/verification_client_input.c
@@ -0,0 +1,116 @@
+#include "verification_client_input.h"
+#include "card_handling.h"
+#include "printing_game_frames.h"
+
+#include <winsock2.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+
+enum {
+    output_buffer_size  = 1024
+};
+
+static char output_buffer[output_buffer_size];
+
+/*
+ * 1 - response received
+ * 0 - waiting for re-entry of data
+ */
+int vci_confirmation_waiting(int fd, char *buffer)
+{
+    if(buffer[0] == '\n') {
+        send(fd, buffer, 1, 0);
+        return 1;
+    }
+    else
+        printf("please press enter\n");
+    return 0;
+}
+
+/*
+ * example: A#\A^\Av\'\n'
+ * or (while tossing): '\n'
+ */
+int vci_attack_or_tossing(int fd, char *buffer, player_cards deck,
+                          enum client_states state)
+{
+    int rank = 0, i, free_pos = 0;
+    char * card = NULL;
+
+    if(state == tossing && buffer[0] == '\n') { /* cancel card tossing */
+        send(fd, buffer, 1, 0);
+        printf("skipping the card toss\n");
+        return 1;
+    }
+
+    for(i = 0; buffer[i] != '\n'; ++i) {
+        /* some symbols */
+        if(state == attack && buffer[1] != '\n') {
+            card = card_search_by_marked_letter(deck, buffer[i]);
+            if(card) {
+                if(!rank)
+                    rank = convert_rank_to_int(card);
+                if(rank != convert_rank_to_int(card)) {
+                    printf("incorrect input\n> ");
+                    fflush(stdout);
+                    return 0;
+                }
+            }
+        /* one symbol inputed? */
+        } else if(state == attack && buffer[1] == '\n')
+            card = card_search_by_unmarked_letter(deck, buffer[i]);
+        else if(state == tossing)
+            card = card_search_by_marked_letter(deck, buffer[i]);
+
+        if(!card) {
+            printf("incorrect input\n> ");
+            fflush(stdout);
+            return 0;
+        }
+        strncpy(output_buffer + free_pos, card, strlen(card));
+        free_pos += strlen(card);
+        output_buffer[free_pos] = '\\';
+        ++free_pos;
+    }
+    if(state == attack && buffer[0] == '\n') {
+        printf("incorrect input\n> ");
+        fflush(stdout);
+        return 0;
+    }
+    output_buffer[free_pos] = '\n';
+    send(fd, output_buffer, free_pos+1, 0);
+    return 1;
+}
+
+/*
+ * example: 5v'\n'
+ * or: '\n'
+ */
+int vci_defense(int fd, char *buffer, player_cards deck)
+{
+    int last_idx;
+    char *card = NULL;
+
+    if(buffer[0] == '\n') { /* the player does not want to keep the defense */
+        send(fd, buffer, 1, 0);
+        printf("accepting cards\n");
+        return 1;
+    }
+    if(buffer[1] != '\n') {
+        printf("incorrect input\n> ");
+        fflush(stdout);
+        return 0;
+    }
+    if((card = card_search_by_marked_letter(deck, buffer[0])) != NULL) {
+        strcpy(output_buffer, card);
+        last_idx = strlen(card);
+        output_buffer[last_idx] = '\n';
+        send(fd, output_buffer, last_idx+1, 0);
+        return 1;
+    }
+    /* card is not found in the deck or cannot be used */
+    printf("incorrect input\n> ");
+    fflush(stdout);
+    return 0;
+}
-- 
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