pulizia da file superflui

.gitignore

@@ -0,0 +1,4 @@
+build/
+.vscode/
+productManager
+test

.vscode/settings.json

@@ -1,11 +0,0 @@
-{
-    "makefile.configureOnOpen": false,
-    "files.associations": {
-        "ncurses.h": "c",
-        "logic.h": "c",
-        "stdio.h": "c",
-        "globals.h": "c",
-        "windows.h": "c",
-        "stdlib.h": "c"
-    }
-}

README.md

@@ -0,0 +1,12 @@
+# Product Manager
+Un gestore di inventario e vendite minimale
+
+## Scaricarlo
+Disponibile solo per linux.
+Scarica l'ultima versione dalla pagina delle releases!
+Avvia l'eseguibile da un terminale.
+
+***questo codice molto probabilmente NON è sicuro, utilizzarlo a propria indiscrezione***
+
+## Troubleshooting
+wip

build/globals.d

@@ -1,2 +0,0 @@
-build/globals.o: src/globals.c src/../include/globals.h
-src/../include/globals.h:

build/logic.d

@@ -1,4 +0,0 @@
-build/logic.o: src/logic.c src/../include/logic.h \
- src/../include/globals.h
-src/../include/logic.h:
-src/../include/globals.h:

build/main.d

@@ -1,3 +0,0 @@
-build/main.o: src/main.c include/windows.h include/logic.h
-include/windows.h:
-include/logic.h:

build/testLogic.d

@@ -1,4 +0,0 @@
-build/testLogic.o: src/testLogic.c src/../include/logic.h \
- src/../include/globals.h
-src/../include/logic.h:
-src/../include/globals.h:

build/windows.d

@@ -1,5 +0,0 @@
-build/windows.o: src/windows.c src/../include/windows.h \
- src/../include/logic.h src/../include/globals.h
-src/../include/windows.h:
-src/../include/logic.h:
-src/../include/globals.h:

include/globals.h

@@ -6,5 +6,7 @@
 #include <string.h>
 
 extern char productPricesFileLocation[64];  // Dichiarazione extern
+extern char countFileLocation[64];
+extern char configFileLocation[64];
 
 #endif

include/jsonFile.h

@@ -0,0 +1,17 @@
+#ifndef JSONFILE_H
+#define JSONFILE_H
+
+#include <json-c/json.h>
+
+int existsFile(const char *fname);
+int createFile(const char *fname);
+int renameDataFile(const char *oldName, const char *newName);
+
+json_object *loadJsonArray(const char *fname);
+int saveJsonArray(const char *fname, json_object *arr);
+
+json_object *findItemByName(json_object *arr, const char *name);
+int removeItemByName(json_object *arr, const char *name);
+int renameItemByName(json_object *arr, const char *oldName, const char *newName);
+
+#endif

include/logic.h

@@ -1,19 +1,48 @@
 #ifndef LOGIC_H
 #define LOGIC_H
 
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <ncurses.h>
+#include "jsonFile.h"
+
+#define PRODUCT_STOCK_UNLIMITED (-1)
 
 struct product {
-	float cost;
-	int numberSold;
-	char name;
+        float cost;
+        int numberSold;
+        char name;
 };
 
-int getCount();
-int existsFile(const char *fname);
-void createFile(const char *fname);
+/* Prodotti */
+json_object *getProducts(const char *fname);
+void listProducts(const char *fname);
+int addProduct(const char *fname, const char *name, double price);
+int addProductWithInventory(const char *fname, const char *name, double price, int stock);
+int addBundleProduct(const char *fname, const char *name, double price, json_object *components);
+double getPrice(const char *fname, const char *name);
+int updateProduct(const char *productsFile, const char *soldFile, const char *oldName, const char *newName, double price);
+int updateProductWithInventory(const char *productsFile, const char *soldFile, const char *oldName, const char *newName, double price, int stock);
+int getProductInventory(const char *fname, const char *name, int *stock, int *tracked);
+int setProductInventory(const char *fname, const char *name, int stock, int tracked);
+int consumeProductInventory(const char *fname, const char *name, int qty);
+
+/* Copie vendute */
+int getCount(const char *fname, const char *name);
+void listSold(const char *fname);
+int addSold(const char *fname, const char *name, int qty);
+int updateSold(const char *fname, const char *name, int qty);
+int deleteSold(const char *fname, const char *name);
+int recordSale(const char *productsFile, const char *soldFile, const char *name, int qty);
+
+/* Entrate */
+double getTotalRevenue(const char *productsFile, const char *soldFile);
+
+/* Config */
+int ensureAppConfig(const char *fname);
+int loadAppConfig(const char *fname);
+int saveAppConfig(const char *fname);
 
 #endif

include/windowsBack.h

@@ -1,20 +1,23 @@
-#ifndef WINDOWS_H
-#define WINDOWS_H
+#ifndef WINDOWSBACK_H
+#define WINDOWSBACK_H
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <ncurses.h>
 
-int runMainMenu();
-void runOptionsMenu();
+WINDOW *create_newwin(int height, int width, int starty, int startx);
+void destroy_win(WINDOW *local_win);
+
+void wwrap_print(WINDOW *win, int start_y, int start_x, const char *str);
+int uiToggleSwitch(WINDOW *win, int y, int x, int state);
+void uiTextInput(WINDOW *win, int y, int x, char *input, int max_len);
+int uiSelectMenu(WINDOW *win, int start_y, int start_x, char **options, int n_options);
+void print_menu(WINDOW *menu_win, int y, int x, int highlight);
+
 void warningf(const char *fmt, ...);
 void warning(char *string);
 void statusf(const char *fmt, ...);
 void status(char *msg);
-WINDOW *create_newwin(int height, int width, int starty, int startx);
-void destroy_win(WINDOW *local_win);
-void print_menu(WINDOW *menu_win, int y, int x, int highlight);
-void wwrap_print(WINDOW *win, int start_y, int start_x, const char *str);
 
 #endif

include/windowsDeclaration.h

@@ -0,0 +1,19 @@
+#ifndef WINDOWSDECLARATION_H
+#define WINDOWSDECLARATION_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ncurses.h>
+
+int runMainMenu();
+void runOptionsMenu();
+void runSellWindow();
+void runCreateBundleWindow();
+void runAboutWindow();
+void runViewSalesWindow();
+void runViewProductsWindow();
+void runAddProductWindow();
+void example_window();
+
+#endif

makefile

@@ -1,17 +1,21 @@
-CC = gcc
-CFLAGS = -I./include -Wall -Wextra -MMD -MP
-LDLIBS = -lncurses
+CC ?= gcc
+PKG_CONFIG ?= pkg-config
+
+CFLAGS = -I./include -Wall -Wextra -MMD -MP $(shell $(PKG_CONFIG) --cflags json-c ncurses)
+LDLIBS = $(shell $(PKG_CONFIG) --libs json-c ncurses)
+
+BUNDLE_LDFLAGS = -Wl,--dynamic-linker=/lib64/ld-linux-x86-64.so.2 -Wl,-rpath,'$$ORIGIN/lib'
+
 SRC_DIR = src
 BUILD_DIR = build
-SOURCES = $(wildcard $(SRC_DIR)/*.c)
+SOURCES = $(filter-out $(SRC_DIR)/testLogic.c, $(wildcard $(SRC_DIR)/*.c))
 OBJECTS = $(patsubst $(SRC_DIR)/%.c,$(BUILD_DIR)/%.o,$(SOURCES))
 EXEC = productManager
-EXECTEST = test
-
 DEPS = $(OBJECTS:.o=.d)
 
 all: $(EXEC)
 
+# 1. Per testare in locale su NixOS
 $(EXEC): $(OBJECTS)
 	$(CC) $^ -o $@ $(LDLIBS)
 
@@ -21,10 +25,17 @@ $(BUILD_DIR)/%.o: $(SRC_DIR)/%.c
 
 -include $(DEPS)
 
-test:
-	$(CC) $(CFLAGS) src/logic.c src/testLogic.c -o $(EXECTEST)
+# 2. Per creare il pacchetto portabile da inviare
+bundle: $(OBJECTS)
+	@mkdir -p dist/lib
+	$(CC) $^ -o dist/$(EXEC) $(BUNDLE_LDFLAGS) $(LDLIBS)
+	@cp -L $$( $(PKG_CONFIG) --variable=libdir json-c )/libjson-c.so* dist/lib/
+	@cp -L $$( $(PKG_CONFIG) --variable=libdir ncurses )/libncurses*.so* dist/lib/
+	@tar czf productManager.tar.gz --directory dist/ .
+	@echo "=== Pacchetto portabile creato con successo in productManager.tar.gz ==="
+	@rm -fr dist/
 
 clean:
-	rm -rf $(BUILD_DIR) $(EXEC)
+	rm -rf $(BUILD_DIR) $(EXEC) dist *.json
 
-.PHONY: all clean
+.PHONY: all clean bundle

shell.nix

@@ -1,8 +1,12 @@
 { pkgs ? import <nixpkgs> {} }:
 pkgs.mkShell {
-  buildInputs = [
-    pkgs.gcc
-    pkgs.gnumake
-    pkgs.ncurses
-  ];
+    nativeBuildInputs = [
+        pkgs.gcc
+        pkgs.gnumake
+        pkgs.pkgconf
+    ];
+    buildInputs = [
+        pkgs.ncurses
+        pkgs.json_c
+    ];
 }

src/globals.c

@@ -1,4 +1,6 @@
 #include "../include/globals.h"
 
-char productPricesFileLocation[64]="./productPricesSettings.fpm";
-char countFileLocation[64]="./count.fpm";
+char productPricesFileLocation[64]="./pm-item-price-default.json";
+char countFileLocation[64]="./pm-item-sold-count-default.json";
+char configFileLocation[64]=".fpm";
+

src/jsonFile.c

@@ -0,0 +1,113 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <json-c/json.h>
+
+#include "../include/jsonFile.h"
+
+int existsFile(const char *fname) {
+    FILE *file = fopen(fname, "r");
+    if (file) {
+        fclose(file);
+        return 1;
+    }
+    return 0;
+}
+
+int createFile(const char *fname) {
+    json_object *arr = json_object_new_array();
+    if (!arr)
+        return -1;
+
+    int res = json_object_to_file_ext(fname, arr, JSON_C_TO_STRING_PRETTY);
+    json_object_put(arr);
+    return (res == 0) ? 0 : -1;
+}
+
+int renameDataFile(const char *oldName, const char *newName) {
+    return (rename(oldName, newName) == 0) ? 0 : -1;
+}
+
+static json_object *loadRawArray(const char *fname) {
+    if (!existsFile(fname) && createFile(fname) != 0)
+        return NULL;
+
+    FILE *f = fopen(fname, "r");
+    if (!f)
+        return NULL;
+
+    int empty = (fgetc(f) == EOF);
+    fclose(f);
+    if (empty)
+        return json_object_new_array();
+
+    json_object *arr = json_object_from_file(fname);
+    if (!arr)
+        return NULL;
+
+    if (!json_object_is_type(arr, json_type_array)) {
+        json_object_put(arr);
+        return NULL;
+    }
+
+    return arr;
+}
+
+json_object *loadJsonArray(const char *fname) {
+    return loadRawArray(fname);
+}
+
+int saveJsonArray(const char *fname, json_object *arr) {
+    if (!arr)
+        return -1;
+    return (json_object_to_file_ext(fname, arr, JSON_C_TO_STRING_PRETTY) == 0) ? 0 : -1;
+}
+
+json_object *findItemByName(json_object *arr, const char *name) {
+    if (!arr || !name)
+        return NULL;
+
+    size_t n = json_object_array_length(arr);
+    for (size_t i = 0; i < n; i++) {
+        json_object *item = json_object_array_get_idx(arr, i);
+        json_object *jname = NULL;
+
+        if (json_object_object_get_ex(item, "name", &jname) &&
+            strcmp(json_object_get_string(jname), name) == 0)
+            return item;
+    }
+
+    return NULL;
+}
+
+int removeItemByName(json_object *arr, const char *name) {
+    if (!arr || !name)
+        return -1;
+
+    size_t n = json_object_array_length(arr);
+    for (size_t i = 0; i < n; i++) {
+        json_object *item = json_object_array_get_idx(arr, i);
+        json_object *jname = NULL;
+
+        if (json_object_object_get_ex(item, "name", &jname) &&
+            strcmp(json_object_get_string(jname), name) == 0) {
+            json_object_array_del_idx(arr, (int)i, 1);
+            return 0;
+        }
+    }
+
+    return 1;
+}
+
+int renameItemByName(json_object *arr, const char *oldName, const char *newName) {
+    if (!arr || !oldName || !newName)
+        return -1;
+
+    json_object *item = findItemByName(arr, oldName);
+    if (!item)
+        return 1;
+
+    json_object_object_add(item, "name", json_object_new_string(newName));
+    return 0;
+}

src/logic.c

@@ -2,61 +2,809 @@
 #include <stdlib.h>
 #include <string.h>
 #include <ncurses.h>
+#include <json-c/json.h>
 
 #include "../include/logic.h"
 #include "../include/globals.h"
+#include "../include/jsonFile.h"
 
-/*
-*	TODO: Listare prodotti con prezzo da file
-*	TODO: Aggiungere prodotto con prezzo a file
-*	TODO: Listare copie vendute di prodotto da file
-*	TODO: Aggiungere copie venduto di prodotto a file
-*	TODO: Cambiare nome dei file con interagisce
-*	TODO: Calcolare la somma delle entrate dati i file
-*/
+static int isBundleItem(json_object *item);
 
-char *products;
+static int readInventory(json_object *item, int *stock, int *tracked) {
+    json_object *jstock = NULL;
 
-int existsFile(const char *fname) {
-    FILE *file;
-    if ((file = fopen(fname, "r")))
-    {
-        fclose(file);
-        return 1;
+    if (!item || !stock || !tracked)
+        return -1;
+
+    if (isBundleItem(item)) {
+        *stock = PRODUCT_STOCK_UNLIMITED;
+        *tracked = 0;
+        return 0;
     }
+
+    if (!json_object_object_get_ex(item, "stock", &jstock) || !jstock) {
+        *stock = PRODUCT_STOCK_UNLIMITED;
+        *tracked = 0;
+        return 0;
+    }
+
+    *stock = json_object_get_int(jstock);
+    if (*stock < 0) {
+        *stock = PRODUCT_STOCK_UNLIMITED;
+        *tracked = 0;
+    } else {
+        *tracked = 1;
+    }
+
     return 0;
 }
 
-void createFile(const char *fname) {
-	FILE *file;
-	file = fopen(fname, "w");
-	fclose(file);
+static void writeInventory(json_object *item, int stock, int tracked) {
+    if (!item)
+        return;
+
+    json_object_object_add(item, "stock",
+                           json_object_new_int(tracked ? stock : PRODUCT_STOCK_UNLIMITED));
 }
 
-char* getProducts(const char *fname) {
-/*	FILE *file;
-	
-	if((file=fopen(fname, "r"))==NULL) {
-		printf("Errore nell'apertura del file");
-		exit(1);
-	}
+static int loadProductItem(const char *fname, const char *name, json_object **arr_out, json_object **item_out) {
+    json_object *arr = loadJsonArray(fname);
+    if (!arr)
+        return -1;
 
-// TODO QUESTO CODICE NON E' MIO, RICONTROLLARE FUNZIONAMENTO fread()
+    json_object *item = findItemByName(arr, name);
+    if (!item) {
+        json_object_put(arr);
+        return 1;
+    }
 
- 	while(!feof(file)){
-	   	n = fread(buffer, sizeof(char), sizeof(buffer), file);
-	   	for (i=0; i<n; i++)
-	      	         if (buffer[i] == c)
-		   		count++;
-      }
-	fclose(file);
-*/
+    *arr_out = arr;
+    *item_out = item;
+    return 0;
 }
 
-int getCount(){
+static json_object *buildAppConfigObject(void) {
+    json_object *obj = json_object_new_object();
+    if (!obj)
+        return NULL;
 
-	return 0;
+    json_object_object_add(obj, "productsFile", json_object_new_string(productPricesFileLocation));
+    json_object_object_add(obj, "salesFile", json_object_new_string(countFileLocation));
+    return obj;
 }
 
+static int writeAppConfigObject(const char *fname, json_object *obj) {
+    if (!obj)
+        return -1;
+    return (json_object_to_file_ext(fname, obj, JSON_C_TO_STRING_PRETTY) == 0) ? 0 : -1;
+}
 
+static int readConfigString(json_object *obj, const char *key, char *out, size_t outSize) {
+    json_object *v = NULL;
+    const char *s = NULL;
 
+    if (!obj || !key || !out || outSize == 0)
+        return 0;
+
+    if (json_object_object_get_ex(obj, key, &v) && v)
+        s = json_object_get_string(v);
+    if (!s || s[0] == '\0')
+        return 0;
+
+    snprintf(out, outSize, "%s", s);
+    return 1;
+}
+
+static int isBundleItem(json_object *item) {
+    json_object *v = NULL;
+    return item && json_object_object_get_ex(item, "bundle", &v) && json_object_get_boolean(v);
+}
+
+static int getComponentQty(json_object *component) {
+    json_object *v = NULL;
+
+    if (!component)
+        return 1;
+
+    if (!json_object_object_get_ex(component, "qty", &v) || !v)
+        return 1;
+
+    return json_object_get_int(v);
+}
+
+static json_object *getBundleComponents(json_object *bundleItem) {
+    json_object *components = NULL;
+
+    if (!bundleItem)
+        return NULL;
+
+    if (!json_object_object_get_ex(bundleItem, "components", &components) || !components)
+        return NULL;
+
+    if (!json_object_is_type(components, json_type_array))
+        return NULL;
+
+    return components;
+}
+
+static const char *bundleTagText(json_object *item) {
+    return isBundleItem(item) ? " [BUNDLE]" : "";
+}
+
+static void formatProductLabel(json_object *item, char *buf, size_t size) {
+    json_object *v = NULL;
+    int tracked = 0;
+    int stock = PRODUCT_STOCK_UNLIMITED;
+
+    if (!buf || size == 0)
+        return;
+
+    if (isBundleItem(item)) {
+        snprintf(buf, size, "X");
+        return;
+    }
+
+    if (json_object_object_get_ex(item, "stock", &v) && v) {
+        stock = json_object_get_int(v);
+        tracked = stock >= 0;
+    }
+
+    if (tracked)
+        snprintf(buf, size, "%d", stock);
+    else
+        snprintf(buf, size, "X");
+}
+
+static json_object *findItemByNameExcluding(json_object *arr, const char *name, json_object *exclude) {
+    if (!arr || !name)
+        return NULL;
+
+    size_t n = json_object_array_length(arr);
+    for (size_t i = 0; i < n; i++) {
+        json_object *item = json_object_array_get_idx(arr, i);
+        json_object *jname = NULL;
+
+        if (item == exclude)
+            continue;
+
+        if (json_object_object_get_ex(item, "name", &jname) &&
+            strcmp(json_object_get_string(jname), name) == 0)
+            return item;
+    }
+
+    return NULL;
+}
+
+static int canConsumeTree(json_object *products, json_object *item, int qty) {
+    if (!products || !item || qty <= 0)
+        return -1;
+
+    if (!isBundleItem(item)) {
+        json_object *jstock = NULL;
+        int stock = PRODUCT_STOCK_UNLIMITED;
+
+        if (!json_object_object_get_ex(item, "stock", &jstock) || !jstock)
+            return 0;
+
+        stock = json_object_get_int(jstock);
+        if (stock < 0)
+            return 0;
+
+        return (stock >= qty) ? 0 : 2;
+    }
+
+    json_object *components = getBundleComponents(item);
+    if (!components)
+        return 0;
+
+    size_t count = json_object_array_length(components);
+    for (size_t i = 0; i < count; i++) {
+        json_object *component = json_object_array_get_idx(components, i);
+        json_object *jname = NULL;
+        json_object *child = NULL;
+        int componentQty = getComponentQty(component);
+
+        if (componentQty <= 0)
+            return -1;
+
+        if (!json_object_object_get_ex(component, "name", &jname) || !jname)
+            return -1;
+
+        child = findItemByName(products, json_object_get_string(jname));
+        if (!child)
+            return 1;
+
+        int res = canConsumeTree(products, child, qty * componentQty);
+        if (res != 0)
+            return res;
+    }
+
+    return 0;
+}
+
+static int consumeTree(json_object *products, json_object *item, int qty) {
+    if (!products || !item || qty <= 0)
+        return -1;
+
+    if (!isBundleItem(item)) {
+        json_object *jstock = NULL;
+        int stock = PRODUCT_STOCK_UNLIMITED;
+
+        if (!json_object_object_get_ex(item, "stock", &jstock) || !jstock)
+            return 0;
+
+        stock = json_object_get_int(jstock);
+        if (stock < 0)
+            return 0;
+
+        json_object_object_add(item, "stock", json_object_new_int(stock - qty));
+        return 0;
+    }
+
+    json_object *components = getBundleComponents(item);
+    if (!components)
+        return 0;
+
+    size_t count = json_object_array_length(components);
+    for (size_t i = 0; i < count; i++) {
+        json_object *component = json_object_array_get_idx(components, i);
+        json_object *jname = NULL;
+        json_object *child = NULL;
+        int componentQty = getComponentQty(component);
+
+        if (!json_object_object_get_ex(component, "name", &jname) || !jname)
+            return -1;
+
+        child = findItemByName(products, json_object_get_string(jname));
+        if (!child)
+            return 1;
+
+        int res = consumeTree(products, child, qty * componentQty);
+        if (res != 0)
+            return res;
+    }
+
+    return 0;
+}
+
+static char *loadFileText(const char *fname) {
+    FILE *f = fopen(fname, "rb");
+    long size;
+    char *buf;
+
+    if (!f)
+        return NULL;
+
+    if (fseek(f, 0, SEEK_END) != 0) {
+        fclose(f);
+        return NULL;
+    }
+
+    size = ftell(f);
+    if (size < 0) {
+        fclose(f);
+        return NULL;
+    }
+
+    rewind(f);
+    buf = malloc((size_t)size + 1);
+    if (!buf) {
+        fclose(f);
+        return NULL;
+    }
+
+    if (size > 0 && fread(buf, 1, (size_t)size, f) != (size_t)size) {
+        free(buf);
+        fclose(f);
+        return NULL;
+    }
+
+    buf[size] = '\0';
+    fclose(f);
+    return buf;
+}
+
+static int saveFileText(const char *fname, const char *text) {
+    FILE *f = fopen(fname, "wb");
+    size_t len;
+
+    if (!f)
+        return -1;
+
+    len = strlen(text);
+    if (len > 0 && fwrite(text, 1, len, f) != len) {
+        fclose(f);
+        return -1;
+    }
+
+    fclose(f);
+    return 0;
+}
+
+/*
+ *  Formato dei file (JSON):
+ *
+ *  File prodotti:  [ {"name": "Maglietta S", "price": 19.90, "stock": 12}, ... ]
+ *                   stock = numero intero, oppure -1 per inventario infinito
+ *                   bundle = 1, components = [ {"name": "...", "qty": 2}, ... ]
+ *  File vendite:   [ {"name": "Maglietta S", "sold": 12}, ... ]
+ *
+ *  Compilazione: aggiungere -ljson-c (e -lncurses) al linker.
+ *
+ *  TODO: Aggiungere la possibilità di registrare gli acquisti non compiuti
+ *        con intenzioni di acquisto.
+ *        e.g. persona vuole acquistare maglietta S ma non c'è la taglia
+ */
+
+/* ------------------------------------------------------------------ */
+/*  Prodotti                                                          */
+/* ------------------------------------------------------------------ */
+
+/*
+ * Ritorna l'array JSON dei prodotti (da liberare con json_object_put()),
+ * oppure NULL in caso di errore.
+ */
+json_object *getProducts(const char *fname) {
+    return loadJsonArray(fname);
+}
+
+/* Stampa a schermo (ncurses) la lista dei prodotti con il relativo prezzo. */
+void listProducts(const char *fname) {
+    json_object *arr = loadJsonArray(fname);
+    if (!arr) {
+        printw("Errore nella lettura del file %s\n", fname);
+        refresh();
+        return;
+    }
+
+    size_t n = json_object_array_length(arr);
+    if (n == 0)
+        printw("Nessun prodotto presente.\n");
+
+    for (size_t i = 0; i < n; i++) {
+        json_object *item = json_object_array_get_idx(arr, i);
+        json_object *jname, *jprice;
+        char stockBuf[16];
+
+        if (json_object_object_get_ex(item, "name", &jname) &&
+            json_object_object_get_ex(item, "price", &jprice))
+            formatProductLabel(item, stockBuf, sizeof stockBuf);
+
+        if (json_object_object_get_ex(item, "name", &jname) &&
+            json_object_object_get_ex(item, "price", &jprice))
+            printw("%zu) %-30s %8.2f  [%s]%s\n", i + 1,
+                   json_object_get_string(jname),
+                   json_object_get_double(jprice),
+                   stockBuf,
+                   bundleTagText(item));
+    }
+
+    refresh();
+    json_object_put(arr);
+}
+
+/*
+ * Aggiunge un prodotto con il suo prezzo.
+ * Ritorna 0 se ok, -1 se errore, 1 se il prodotto esiste già.
+ */
+int addProduct(const char *fname, const char *name, double price) {
+    return addProductWithInventory(fname, name, price, PRODUCT_STOCK_UNLIMITED);
+}
+
+int addProductWithInventory(const char *fname, const char *name, double price, int stock) {
+    json_object *arr = loadJsonArray(fname);
+    if (!arr)
+        return -1;
+
+    if (findItemByName(arr, name)) {
+        json_object_put(arr);
+        return 1;
+    }
+
+    json_object *item = json_object_new_object();
+    json_object_object_add(item, "name", json_object_new_string(name));
+    json_object_object_add(item, "price", json_object_new_double(price));
+    writeInventory(item, stock, stock != PRODUCT_STOCK_UNLIMITED);
+    json_object_array_add(arr, item);
+
+    int res = saveJsonArray(fname, arr);
+    json_object_put(arr);
+    return (res == 0) ? 0 : -1;
+}
+
+int addBundleProduct(const char *fname, const char *name, double price, json_object *components) {
+    json_object *arr = loadJsonArray(fname);
+    if (!arr)
+        return -1;
+
+    if (findItemByName(arr, name)) {
+        json_object_put(arr);
+        return 1;
+    }
+
+    if (!components || !json_object_is_type(components, json_type_array) || json_object_array_length(components) == 0) {
+        json_object_put(arr);
+        return -1;
+    }
+
+    json_object *item = json_object_new_object();
+    json_object_object_add(item, "name", json_object_new_string(name));
+    json_object_object_add(item, "price", json_object_new_double(price));
+    json_object_object_add(item, "bundle", json_object_new_int(1));
+    json_object_object_add(item, "stock", json_object_new_int(PRODUCT_STOCK_UNLIMITED));
+    json_object_object_add(item, "components", components);
+    json_object_array_add(arr, item);
+
+    int res = saveJsonArray(fname, arr);
+    json_object_put(arr);
+    return (res == 0) ? 0 : -1;
+}
+
+/* Ritorna il prezzo di un prodotto, oppure -1.0 se non trovato/errore. */
+double getPrice(const char *fname, const char *name) {
+    json_object *arr = loadJsonArray(fname);
+    if (!arr)
+        return -1.0;
+
+    double price = -1.0;
+    json_object *item = findItemByName(arr, name);
+    json_object *jprice;
+
+    if (item && json_object_object_get_ex(item, "price", &jprice))
+        price = json_object_get_double(jprice);
+
+    json_object_put(arr);
+    return price;
+}
+
+int updateProduct(const char *productsFile, const char *soldFile, const char *oldName, const char *newName, double price) {
+    json_object *products = NULL;
+    json_object *item = NULL;
+    int stock = PRODUCT_STOCK_UNLIMITED;
+    int tracked = 0;
+
+    if (loadProductItem(productsFile, oldName, &products, &item) != 0)
+        return -1;
+
+    readInventory(item, &stock, &tracked);
+    json_object_put(products);
+
+    return updateProductWithInventory(productsFile, soldFile, oldName, newName, price,
+                                      tracked ? stock : PRODUCT_STOCK_UNLIMITED);
+}
+
+int updateProductWithInventory(const char *productsFile, const char *soldFile, const char *oldName, const char *newName, double price, int stock) {
+    json_object *products = loadJsonArray(productsFile);
+    if (!products)
+        return -1;
+
+    json_object *item = findItemByName(products, oldName);
+    if (!item) {
+        json_object_put(products);
+        return 1;
+    }
+
+    if (strcmp(oldName, newName) != 0 && findItemByNameExcluding(products, newName, item)) {
+        json_object_put(products);
+        return 2;
+    }
+
+    json_object_object_add(item, "name", json_object_new_string(newName));
+    json_object_object_add(item, "price", json_object_new_double(price));
+    writeInventory(item, stock, stock != PRODUCT_STOCK_UNLIMITED);
+
+    if (saveJsonArray(productsFile, products) != 0) {
+        json_object_put(products);
+        return -1;
+    }
+    json_object_put(products);
+
+    if (strcmp(oldName, newName) != 0) {
+        json_object *sales = loadJsonArray(soldFile);
+        if (!sales)
+            return -1;
+
+        if (renameItemByName(sales, oldName, newName) != 0) {
+            json_object_put(sales);
+            return 1;
+        }
+
+        if (saveJsonArray(soldFile, sales) != 0) {
+            json_object_put(sales);
+            return -1;
+        }
+        json_object_put(sales);
+    }
+
+    return 0;
+}
+
+int getProductInventory(const char *fname, const char *name, int *stock, int *tracked) {
+    json_object *arr = loadJsonArray(fname);
+    if (!arr)
+        return -1;
+
+    json_object *item = findItemByName(arr, name);
+    if (!item) {
+        json_object_put(arr);
+        return 1;
+    }
+
+    int res = readInventory(item, stock, tracked);
+    json_object_put(arr);
+    return res;
+}
+
+int setProductInventory(const char *fname, const char *name, int stock, int tracked) {
+    json_object *arr = loadJsonArray(fname);
+    if (!arr)
+        return -1;
+
+    json_object *item = findItemByName(arr, name);
+    if (!item) {
+        json_object_put(arr);
+        return 1;
+    }
+
+    writeInventory(item, stock, tracked);
+
+    int res = saveJsonArray(fname, arr);
+    json_object_put(arr);
+    return (res == 0) ? 0 : -1;
+}
+
+int consumeProductInventory(const char *fname, const char *name, int qty) {
+    json_object *arr = loadJsonArray(fname);
+    if (!arr)
+        return -1;
+
+    json_object *item = findItemByName(arr, name);
+    if (!item) {
+        json_object_put(arr);
+        return 1;
+    }
+
+    int check = canConsumeTree(arr, item, qty);
+    if (check != 0) {
+        json_object_put(arr);
+        return check;
+    }
+
+    int res = consumeTree(arr, item, qty);
+    if (res != 0) {
+        json_object_put(arr);
+        return res;
+    }
+
+    res = saveJsonArray(fname, arr);
+    json_object_put(arr);
+    return (res == 0) ? 0 : -1;
+}
+
+/* ------------------------------------------------------------------ */
+/*  Copie vendute                                                     */
+/* ------------------------------------------------------------------ */
+
+/* Ritorna le copie vendute di un prodotto (0 se non presente, -1 se errore). */
+int getCount(const char *fname, const char *name) {
+    json_object *arr = loadJsonArray(fname);
+    if (!arr)
+        return -1;
+
+    int count = 0;
+    json_object *item = findItemByName(arr, name);
+    json_object *jsold;
+
+    if (item && json_object_object_get_ex(item, "sold", &jsold))
+        count = json_object_get_int(jsold);
+
+    json_object_put(arr);
+    return count;
+}
+
+/* Stampa a schermo (ncurses) le copie vendute di ogni prodotto. */
+void listSold(const char *fname) {
+    json_object *arr = loadJsonArray(fname);
+    if (!arr) {
+        printw("Errore nella lettura del file %s\n", fname);
+        refresh();
+        return;
+    }
+
+    size_t n = json_object_array_length(arr);
+    if (n == 0)
+        printw("Nessuna vendita registrata.\n");
+
+    for (size_t i = 0; i < n; i++) {
+        json_object *item = json_object_array_get_idx(arr, i);
+        json_object *jname, *jsold;
+
+        if (json_object_object_get_ex(item, "name", &jname) &&
+            json_object_object_get_ex(item, "sold", &jsold))
+            printw("%zu) %-30s %5d\n", i + 1,
+                   json_object_get_string(jname),
+                   json_object_get_int(jsold));
+    }
+
+    refresh();
+    json_object_put(arr);
+}
+
+/*
+ * Aggiunge "qty" copie vendute al prodotto indicato
+ * (crea la voce se non esiste ancora).
+ * Ritorna 0 se ok, -1 se errore.
+ */
+int addSold(const char *fname, const char *name, int qty) {
+    json_object *arr = loadJsonArray(fname);
+    if (!arr)
+        return -1;
+
+    json_object *item = findItemByName(arr, name);
+
+    if (item) {
+        json_object *jsold;
+        int current = 0;
+
+        if (json_object_object_get_ex(item, "sold", &jsold))
+            current = json_object_get_int(jsold);
+
+        json_object_object_add(item, "sold", json_object_new_int(current + qty));
+    } else {
+        item = json_object_new_object();
+        json_object_object_add(item, "name", json_object_new_string(name));
+        json_object_object_add(item, "sold", json_object_new_int(qty));
+        json_object_array_add(arr, item);
+    }
+
+    int res = saveJsonArray(fname, arr);
+    json_object_put(arr);
+    return (res == 0) ? 0 : -1;
+}
+
+int recordSale(const char *productsFile, const char *soldFile, const char *name, int qty) {
+    char *backup = NULL;
+    int consumeRes;
+
+    if (qty <= 0)
+        return -1;
+
+    if (!existsFile(productsFile) && createFile(productsFile) != 0)
+        return -1;
+
+    backup = loadFileText(productsFile);
+    if (!backup)
+        return -1;
+
+    consumeRes = consumeProductInventory(productsFile, name, qty);
+    if (consumeRes != 0) {
+        free(backup);
+        return consumeRes;
+    }
+
+    if (addSold(soldFile, name, qty) != 0) {
+        saveFileText(productsFile, backup);
+        free(backup);
+        return -1;
+    }
+
+    free(backup);
+    return 0;
+}
+
+int updateSold(const char *fname, const char *name, int qty) {
+    json_object *arr = loadJsonArray(fname);
+    if (!arr)
+        return -1;
+
+    json_object *item = findItemByName(arr, name);
+    if (!item) {
+        json_object_put(arr);
+        return 1;
+    }
+
+    json_object_object_add(item, "sold", json_object_new_int(qty));
+
+    int res = saveJsonArray(fname, arr);
+    json_object_put(arr);
+    return (res == 0) ? 0 : -1;
+}
+
+int deleteSold(const char *fname, const char *name) {
+    json_object *arr = loadJsonArray(fname);
+    if (!arr)
+        return -1;
+
+    int res = removeItemByName(arr, name);
+    if (res != 0) {
+        json_object_put(arr);
+        return res;
+    }
+
+    res = saveJsonArray(fname, arr);
+    json_object_put(arr);
+    return (res == 0) ? 0 : -1;
+}
+
+/* ------------------------------------------------------------------ */
+/*  Entrate                                                           */
+/* ------------------------------------------------------------------ */
+
+/*
+ * Calcola le entrate totali: somma di (prezzo * copie vendute)
+ * per ogni prodotto. Ritorna -1.0 in caso di errore.
+ */
+double getTotalRevenue(const char *productsFile, const char *soldFile) {
+    json_object *products = loadJsonArray(productsFile);
+    if (!products)
+        return -1.0;
+
+    json_object *sales = loadJsonArray(soldFile);
+    if (!sales) {
+        json_object_put(products);
+        return -1.0;
+    }
+
+    double total = 0.0;
+    size_t n = json_object_array_length(sales);
+
+    for (size_t i = 0; i < n; i++) {
+        json_object *sale = json_object_array_get_idx(sales, i);
+        json_object *jname, *jsold, *jprice;
+
+        if (!json_object_object_get_ex(sale, "name", &jname) ||
+            !json_object_object_get_ex(sale, "sold", &jsold))
+            continue;
+
+        json_object *prod = findItemByName(products, json_object_get_string(jname));
+        if (prod && json_object_object_get_ex(prod, "price", &jprice))
+            total += json_object_get_double(jprice) * json_object_get_int(jsold);
+    }
+
+    json_object_put(products);
+    json_object_put(sales);
+    return total;
+}
+
+int saveAppConfig(const char *fname) {
+    json_object *obj = buildAppConfigObject();
+    if (!obj)
+        return -1;
+
+    int res = writeAppConfigObject(fname, obj);
+    json_object_put(obj);
+    return res;
+}
+
+int ensureAppConfig(const char *fname) {
+    if (!existsFile(fname))
+        return saveAppConfig(fname);
+    return 0;
+}
+
+int loadAppConfig(const char *fname) {
+    json_object *obj = NULL;
+    json_object *loaded = NULL;
+
+    if (ensureAppConfig(fname) != 0)
+        return -1;
+
+    loaded = json_object_from_file(fname);
+    if (!loaded || !json_object_is_type(loaded, json_type_object)) {
+        if (loaded)
+            json_object_put(loaded);
+        return saveAppConfig(fname);
+    }
+
+    readConfigString(loaded, "productsFile", productPricesFileLocation, sizeof productPricesFileLocation);
+    readConfigString(loaded, "salesFile", countFileLocation, sizeof countFileLocation);
+
+    obj = buildAppConfigObject();
+    if (!obj) {
+        json_object_put(loaded);
+        return -1;
+    }
+    json_object_put(obj);
+    json_object_put(loaded);
+    return 0;
+}

src/main.c

@@ -19,8 +19,10 @@
 #include <string.h>
 #include <ncurses.h>
 
-#include <windows.h>
-#include <logic.h>
+#include "../include/windowsDeclaration.h"
+#include "../include/windowsBack.h"
+#include "../include/logic.h"
+#include "../include/globals.h"
 
 void printLogoBG();
 
@@ -42,31 +44,15 @@ int main(){
 	noecho();
 	curs_set(0);
 	raw();
+	if (loadAppConfig(configFileLocation) != 0)
+		warningf("Impossibile caricare la config '%s', uso i valori di default.", configFileLocation);
 	printLogoBG();
 	statusf(" ");
 	refresh();
 
-	
-	int running = 0;
-	while(running != 6){
+	while (runMainMenu()) {
+	    printLogoBG();
 		refresh();
-		running = runMainMenu();
-		switch(running) {
-			case 1:
-				warning("Questa e' una stringa molto lunga . . . Ma anche un test, che ti devo dire, ci proviamo a fare cose che non sono mai state fatte, oltretutto che divertimento ci sarebbe senza esperienze nuove?");
-				break;
-			case 2:
-				break;
-			case 3:
-				break;
-			case 4:
-				break;
-			case 5:
-				runOptionsMenu();
-				break;
-			case 6:
-				break;
-		}
 	}
 
 	endwin();

src/testLogic.c

@@ -6,12 +6,78 @@
 #include "../include/logic.h"
 #include "../include/globals.h"
 
-int main() {
-	/* Working
-	printf("%d", existsFile("qwestoeuntest"));
-	createFile("qwestoeuntest");
-	printf("%d", existsFile("qwestoeuntest"));
-	*/
-	
-	return 0;
+#define PRODUCTS_FILE "test_products.fpm"
+#define SOLD_FILE     "test_sold.fpm"
+#define RENAMED_FILE  "test_renamed.fpm"
+
+static int passed = 0;
+static int failed = 0;
+
+#define CHECK(cond, desc) do {                              \
+        if (cond) { passed++; printf("  [ OK ] %s\n", desc); } \
+        else      { failed++; printf("  [FAIL] %s  (riga %d)\n", desc, __LINE__); } \
+    } while (0)
+
+static int near(double a, double b) {
+    return (a - b) < 1e-9 && (b - a) < 1e-9;
+}
+
+static void cleanup(void) {
+    remove(PRODUCTS_FILE);
+    remove(SOLD_FILE);
+    remove(RENAMED_FILE);
+}
+
+int main(void) {
+    cleanup();
+
+    printf("== File ==\n");
+    CHECK(existsFile(PRODUCTS_FILE) == 0, "il file non esiste all'inizio");
+    CHECK(createFile(PRODUCTS_FILE) == 0, "createFile ritorna 0");
+    CHECK(existsFile(PRODUCTS_FILE) == 1, "il file esiste dopo createFile");
+
+    /* File completamente vuoto (non JSON): deve essere trattato come array vuoto */
+    FILE *f = fopen(SOLD_FILE, "w");
+    if (f) fclose(f);
+    CHECK(getCount(SOLD_FILE, "Qualsiasi") == 0, "file vuoto trattato come lista vuota");
+
+    printf("== Prodotti ==\n");
+    CHECK(addProduct(PRODUCTS_FILE, "Maglietta S", 20.00) == 0, "aggiunta Maglietta S");
+    CHECK(addProduct(PRODUCTS_FILE, "Pantaloni", 35.50) == 0, "aggiunta Pantaloni");
+    CHECK(addProduct(PRODUCTS_FILE, "Maglietta S", 99.99) == 1, "duplicato rifiutato (ritorna 1)");
+    CHECK(near(getPrice(PRODUCTS_FILE, "Maglietta S"), 20.00), "prezzo Maglietta S = 20.00");
+    CHECK(near(getPrice(PRODUCTS_FILE, "Pantaloni"), 35.50), "prezzo Pantaloni = 35.50");
+    CHECK(near(getPrice(PRODUCTS_FILE, "Inesistente"), -1.0), "prodotto inesistente -> -1.0");
+
+    json_object *arr = getProducts(PRODUCTS_FILE);
+    CHECK(arr != NULL && json_object_array_length(arr) == 2, "getProducts ritorna 2 prodotti");
+    if (arr) json_object_put(arr);
+
+    printf("== Copie vendute ==\n");
+    CHECK(getCount(SOLD_FILE, "Maglietta S") == 0, "nessuna vendita all'inizio");
+    CHECK(addSold(SOLD_FILE, "Maglietta S", 2) == 0, "addSold Maglietta S +2");
+    CHECK(addSold(SOLD_FILE, "Maglietta S", 1) == 0, "addSold Maglietta S +1");
+    CHECK(addSold(SOLD_FILE, "Pantaloni", 2) == 0, "addSold Pantaloni +2");
+    CHECK(getCount(SOLD_FILE, "Maglietta S") == 3, "Maglietta S: 3 copie");
+    CHECK(getCount(SOLD_FILE, "Pantaloni") == 2, "Pantaloni: 2 copie");
+    CHECK(getCount(SOLD_FILE, "Inesistente") == 0, "prodotto mai venduto: 0 copie");
+
+    printf("== Entrate ==\n");
+    /* 3 * 20.00 + 2 * 35.50 = 131.00 */
+    CHECK(near(getTotalRevenue(PRODUCTS_FILE, SOLD_FILE), 131.00), "entrate totali = 131.00");
+
+    /* Una vendita di un prodotto non presente nel listino non deve contare */
+    addSold(SOLD_FILE, "Fantasma", 10);
+    CHECK(near(getTotalRevenue(PRODUCTS_FILE, SOLD_FILE), 131.00), "vendite senza prezzo ignorate");
+
+    printf("== Rinomina ==\n");
+    CHECK(renameDataFile(PRODUCTS_FILE, RENAMED_FILE) == 0, "renameDataFile ritorna 0");
+    CHECK(existsFile(PRODUCTS_FILE) == 0 && existsFile(RENAMED_FILE) == 1, "vecchio nome sparito, nuovo presente");
+    CHECK(near(getPrice(RENAMED_FILE, "Pantaloni"), 35.50), "i dati sopravvivono alla rinomina");
+    CHECK(renameDataFile("non_esiste.fpm", "altro.fpm") == -1, "rinomina di file inesistente fallisce");
+
+    cleanup();
+
+    printf("\nRisultato: %d ok, %d falliti\n", passed, failed);
+    return failed == 0 ? 0 : 1;
 }

src/windows.c

@@ -1,276 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ncurses.h>
-
-#include "../include/windows.h"
-#include "../include/logic.h"
-#include "../include/globals.h"
-#define MAX_LEN 64
-
-char *mainMenu[] = {
-	"Segna vendita",
-	"Vedi vendite",
-	"Vedi prodotti",
-	"Gestisci prodotti",
-	"Opzioni",
-	"Exit"
-};
-int n_mainMenu = sizeof(mainMenu) / sizeof(char *);
-
-
-int runMainMenu(){
-	WINDOW *mainWin;
-	int startx, starty, width, height;
-	height = LINES / 2;
-	width = COLS / 2;
-	starty = 0;
-	startx = 0;
-	mainWin = create_newwin(height, width, starty, startx);
-
-	int highlight = 1;
-	int choice = 0;
-	int c;
-
-	keypad(mainWin, TRUE);
-	wwrap_print(mainWin, 1, 2, "Usa le FRECCETTE ed INVIO per scegliere un'opzione,\nin alternativa ci sono i movement di vim e SPAZIO.");
-	refresh();
-	print_menu(mainWin, height / 2 - 3, width / 2 - 9, highlight);
-	while(1)
-	{	c = wgetch(mainWin);
-		switch(c)
-		{	case KEY_UP:
-			case KEY_LEFT:
-			case 'h':
-			case 'k':
-				if(highlight == 1)
-					highlight = n_mainMenu;
-				else
-					--highlight;
-				break;
-			case KEY_DOWN:
-			case KEY_RIGHT:
-			case 'l':
-			case 'j':
-				if(highlight == n_mainMenu)
-					highlight = 1;
-				else
-					++highlight;
-				break;
-			case 10:
-			case 32:
-				choice = highlight;
-				break;
-			default:
-				statusf("Il tasto '%c' non e' un tasto valido", c);
-				refresh();
-				break;
-		}
-		print_menu(mainWin, height / 2 - 3, width / 2 - 9, highlight);
-		if(choice != 0)	/* User did a choice come out of the infinite loop */
-			break;
-	}
-	statusf("Avvio opzione '%s'", mainMenu[choice - 1]);
-	clrtoeol();
-	refresh();
-	destroy_win(mainWin);
-
-	return choice;
-}
-
-void runOptionsMenu(){
-	WINDOW *optionsWin;
-	int startx, starty, width, height;
-	height = LINES / 2;
-	width = COLS / 2; 
-	starty = 0; 
-	startx = COLS / 2;
-	optionsWin = create_newwin(height, width, starty, startx);
-
-	char input[MAX_LEN + 1];
-	strcpy(input, productPricesFileLocation);
-	int ch, pos = strlen(input);
-
-    mvwprintw(optionsWin, 1, 2, "Posizione file prodotti:");
-	wattron(optionsWin, COLOR_PAIR(2));
-	for (int i = 0; i < MAX_LEN; i++) {
-    	mvwaddch(optionsWin, 2, 2 + i, ' ');
-	}
-    mvwprintw(optionsWin, 2, 2, "%s", input);
-    wmove(optionsWin, 2, 2 + strlen(input));
-    wrefresh(optionsWin);
-
-    pos = strlen(input);
-
-    // Input nella finestra
-	curs_set(1);
-    while ((ch = wgetch(optionsWin)) != '\n') {
-        if (ch == KEY_BACKSPACE || ch == 127 || ch == '\b') {
-            if (pos > 0) {
-                pos--;
-                input[pos] = '\0';
-                mvwaddch(optionsWin, 2, 2 + pos, ' ');
-                wmove(optionsWin, 2, 2 + pos);
-            }
-        } else if (pos < MAX_LEN && ch >= 32 && ch <= 126) {
-            input[pos++] = ch;
-            input[pos] = '\0';
-            mvwaddch(optionsWin, 2, 2 + pos - 1, ch);
-        }
-        wrefresh(optionsWin);
-    }
-	curs_set(0);
-	wattroff(optionsWin, COLOR_PAIR(2));
-
-	if (exists(input)) {
-		statusf("Il file '%s' esiste e verra' utilizzato al posto di '%s'", input, productPricesFileLocation);
-		strcpy(productPricesFileLocation, input);
-	}
-	else {
-		warningf("Il file '%s' non esiste, utilizzo il vecchio file '%s'", input, productPricesFileLocation);
-	}
-
-	werase(optionsWin);
-	destroy_win(optionsWin);
-}
-
-void warningf(const char *fmt, ...) {
-    char buf[256];
-    va_list args;
-    va_start(args, fmt);
-    vsnprintf(buf, sizeof(buf), fmt, args);
-    va_end(args);
-    warning(buf);
-}
-
-void warning(char *string){
-	WINDOW *warningWin;
-	int startx, starty, width, height;
-	height = LINES / 2 - 2;
-	width = COLS / 2; 
-	starty = LINES / 2; 
-	startx = 0;
-	warningWin = create_newwin(height, width, starty, startx);
-	wbkgd(warningWin, COLOR_PAIR(1));
-	
-	mvwprintw(warningWin, 2, 2, "ATTENZIONE!!! E' avvenuto un errore! ");
-	wwrap_print(warningWin, 4, 3, string);
-	mvwprintw(warningWin, height - 1, 3, " Premi un tasto per continuare . . . ");
-
-	wrefresh(warningWin);
-	getch();
-	werase(warningWin);
-	destroy_win(warningWin);
-}
-
-
-void statusf(const char *fmt, ...) {
-    char buf[256];
-    va_list args;
-    va_start(args, fmt);
-    vsnprintf(buf, sizeof(buf), fmt, args);
-    va_end(args);
-    status(buf);
-}
-
-void status(char *msg) {
-    attron(COLOR_PAIR(3));
-    mvprintw(LINES -2, 0, "%-*s", COLS, msg);
-    attroff(COLOR_PAIR(3));
-	refresh();
-}
-
-
-WINDOW *create_newwin(int height, int width, int starty, int startx)
-{	WINDOW *local_win;
-
-	local_win = newwin(height, width, starty, startx);
-	box(local_win, 0 , 0);
-	wrefresh(local_win);
-
-	return local_win;
-}
-
-void destroy_win(WINDOW *local_win)
-{
-	wborder(local_win, ':', ':', '.', '.', '.', '.', '.', '.');
-	wrefresh(local_win);
-	delwin(local_win);
-}
-
-void print_menu(WINDOW *menu_win, int y, int x, int highlight)
-{
-	int i;
-	box(menu_win, 0, 0);
-	for(i = 0; i < n_mainMenu; ++i)
-	{	if(highlight == i + 1) /* High light the present choice */
-		{	wattron(menu_win, A_REVERSE);
-			mvwprintw(menu_win, y, x, "%s", mainMenu[i]);
-			wattroff(menu_win, A_REVERSE);
-		}
-		else
-			mvwprintw(menu_win, y, x, "%s", mainMenu[i]);
-		++y;
-	}
-	wrefresh(menu_win);
-}
-
-void wwrap_print(WINDOW *win, int start_y, int start_x, const char *str) {
-	int max_width = getmaxx(win) - (start_y + 1);
-    int y = start_y;
-    int x = start_x;
-    int line_length = 0;
-    int word_length = 0;
-    const char *word_start = str;
-
-    while (*str) {
-        // Trova la prossima parola
-        if (*str != ' ' && *str != '\n' && *str != '\t') {
-            str++;
-            continue;
-        }
-
-        // Calcola lunghezza parola corrente
-        word_length = str - word_start;
-        
-        // Gestione wrap
-        if (line_length + word_length > max_width) {
-            y++;
-            x = start_x;
-            line_length = 0;
-        }
-
-        // Stampa parola
-        for (int i = 0; i < word_length; i++) {
-            mvwaddch(win, y, x++, word_start[i]);
-        }
-        line_length += word_length;
-
-        // Gestione spazi
-        if (*str == ' ' || *str == '\t') {
-            if (line_length < max_width) {
-                mvwaddch(win, y, x++, ' ');
-                line_length++;
-            } else {
-                y++;
-                x = start_x;
-                line_length = 0;
-            }
-        } else if (*str == '\n') {
-            y++;
-            x = start_x;
-            line_length = 0;
-        }
-
-        word_start = ++str;
-    }
-
-    // Stampa ultima parola
-    word_length = strlen(word_start);
-    if (line_length + word_length > max_width) {
-        y++;
-        x = start_x;
-    }
-    mvwprintw(win, y, x, "%s", word_start);
-}
-

src/windowsBack.c

@@ -0,0 +1,205 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <ncurses.h>
+
+#include "../include/windowsBack.h"
+#include "../include/logic.h"
+#include "../include/globals.h"
+#define MAX_LEN 64
+
+// Scrivi in una finestra di warning
+void warningf(const char *fmt, ...) {
+    char buf[256];
+    va_list args;
+    va_start(args, fmt);
+    vsnprintf(buf, sizeof(buf), fmt, args);
+    va_end(args);
+    warning(buf);
+}
+
+// Dichiara una finestra di warning, avviato da warningf
+void warning(char *string){
+	WINDOW *warningWin;
+	int startx, starty, width, height;
+	height = LINES / 2 - 2;
+	width = COLS / 2; 
+	starty = LINES / 2; 
+	startx = 0;
+	warningWin = create_newwin(height, width, starty, startx);
+	wbkgd(warningWin, COLOR_PAIR(1));
+	
+	mvwprintw(warningWin, 2, 2, "ATTENZIONE!!! E' avvenuto un errore! ");
+	wwrap_print(warningWin, 4, 3, string);
+	mvwprintw(warningWin, height - 1, 3, " Premi un tasto per continuare . . . ");
+
+	wrefresh(warningWin);
+	getch();
+	werase(warningWin);
+	destroy_win(warningWin);
+}
+
+// Scrivi nella barra di status
+void statusf(const char *fmt, ...) {
+    char buf[256];
+    va_list args;
+    va_start(args, fmt);
+    vsnprintf(buf, sizeof(buf), fmt, args);
+    va_end(args);
+    status(buf);
+}
+
+// Posiziona il testo indicato in statusf nella barra di status
+void status(char *msg) {
+    attron(COLOR_PAIR(3));
+    mvprintw(LINES -2, 0, "%-*s", COLS, msg);
+    attroff(COLOR_PAIR(3));
+	refresh();
+}
+
+WINDOW *create_newwin(int height, int width, int starty, int startx)
+{	WINDOW *local_win;
+
+	local_win = newwin(height, width, starty, startx);
+	box(local_win, 0 , 0);
+	wrefresh(local_win);
+
+	return local_win;
+}
+
+void destroy_win(WINDOW *local_win)
+{
+	//wborder(local_win, ':', ':', '.', '.', '.', '.', '.', '.');
+	wrefresh(local_win);
+	delwin(local_win);
+}
+
+// Scrive in una finestra facendo il wrapping a parola del testo in modo che non esca dalla finestra
+void wwrap_print(WINDOW *win, int start_y, int start_x, const char *str) {
+	int max_width = getmaxx(win) - (start_y + 1);
+    int y = start_y;
+    int x = start_x;
+    int line_length = 0;
+    int word_length = 0;
+    const char *word_start = str;
+
+    while (*str) {
+        // Trova la prossima parola
+        if (*str != ' ' && *str != '\n' && *str != '\t') {
+            str++;
+            continue;
+        }
+
+        // Calcola lunghezza parola corrente
+        word_length = str - word_start;
+        
+        // Gestione wrap
+        if (line_length + word_length > max_width) {
+            y++;
+            x = start_x;
+            line_length = 0;
+        }
+
+        // Stampa parola
+        for (int i = 0; i < word_length; i++) {
+            mvwaddch(win, y, x++, word_start[i]);
+        }
+        line_length += word_length;
+
+        // Gestione spazi
+        if (*str == ' ' || *str == '\t') {
+            if (line_length < max_width) {
+                mvwaddch(win, y, x++, ' ');
+                line_length++;
+            } else {
+                y++;
+                x = start_x;
+                line_length = 0;
+            }
+        } else if (*str == '\n') {
+            y++;
+            x = start_x;
+            line_length = 0;
+        }
+
+        word_start = ++str;
+    }
+
+    // Stampa ultima parola
+    word_length = strlen(word_start);
+    if (line_length + word_length > max_width) {
+        y++;
+        x = start_x;
+    }
+    mvwprintw(win, y, x, "%s", word_start);
+}
+
+// Elemento di UI; Menu a scelta multipla
+int uiSelectMenu(WINDOW *win, int start_y, int start_x, char **options, int n_options) {
+    int highlight = 1, choice = 0, c;
+    keypad(win, TRUE);
+    while(1) {
+        for(int i = 0; i < n_options; ++i) {
+            if(highlight == i + 1) wattron(win, A_REVERSE);
+            mvwprintw(win, start_y + i, start_x, "%s", options[i]);
+            if(highlight == i + 1) wattroff(win, A_REVERSE);
+        }
+        wrefresh(win);
+        c = wgetch(win);
+        switch(c) {
+            case KEY_UP: case 'k': highlight = (highlight == 1) ? n_options : highlight - 1; break;
+            case KEY_DOWN: case 'j': highlight = (highlight == n_options) ? 1 : highlight + 1; break;
+            case 10: case 32: choice = highlight; break;
+        }
+        if(choice != 0) break;
+    }
+    return choice;
+}
+
+// Elemento di UI; Campo di inserimento del testo
+void uiTextInput(WINDOW *win, int y, int x, char *input, int max_len) {
+    int ch, pos = strlen(input);
+    wattron(win, COLOR_PAIR(2));
+    curs_set(1);
+    for(int i = 0; i < max_len; i++) mvwaddch(win, y, x + i, ' ');
+    mvwprintw(win, y, x, "%s", input);
+    wmove(win, y, x + pos);
+    wrefresh(win);
+    while ((ch = wgetch(win)) != '\n') {
+        if (ch == KEY_BACKSPACE || ch == 127 || ch == '\b') {
+            if (pos > 0) {
+                pos--;
+                input[pos] = '\0';
+                mvwaddch(win, y, x + pos, ' ');
+                wmove(win, y, x + pos);
+            }
+        } else if (pos < max_len && ch >= 32 && ch <= 126) {
+            input[pos++] = ch;
+            input[pos] = '\0';
+            mvwaddch(win, y, x + pos - 1, ch);
+        }
+        wrefresh(win);
+    }
+    curs_set(0);
+    wattroff(win, COLOR_PAIR(2));
+}
+
+// Elemento di UI; Tasto a 2 stati (ON/OFF)
+int uiToggleSwitch(WINDOW *win, int y, int x, int state) {
+    int c;
+    keypad(win, TRUE);
+    while(1) {
+        wattron(win, A_REVERSE);
+        mvwprintw(win, y, x, state ? "[ ON ] " : "[ OFF ]");
+        wattroff(win, A_REVERSE);
+        wrefresh(win);
+        c = wgetch(win);
+        if (c == 10 || c == 32) break;
+        if (c == KEY_LEFT || c == KEY_RIGHT || c == 'h' || c == 'j' || c == 'k' || c == 'l') state = !state;
+    }
+    mvwprintw(win, y, x, state ? "[ ON ] " : "[ OFF ]");
+    wrefresh(win);
+    return state;
+}
+