feat: complete website implementation

2026-06-21 21:53:15 +02:00
parent b147112bdc
commit dfd3888517
110 changed files with 18276 additions and 217 deletions
@@ -0,0 +1,120 @@
+import { create } from 'zustand';
+import { persist } from 'zustand/middleware';
+
+export interface CartItem {
+  id: string; // Unikalne ID, połączenie slug + wybrane opcje
+  slug: string;
+  name: string;
+  brand: string;
+  image: string;
+  power?: number;
+  label?: string; // Np. "2.5 kW" z wariantu
+  price: number; // Podstawowa cena za 1 szt. bez montażu
+  priceWithInstall: number; // Cena za 1 szt. z montażem
+  withInstall: boolean;
+  quantity: number;
+}
+
+interface CartState {
+  items: CartItem[];
+  addItem: (item: Omit<CartItem, 'id' | 'quantity'>) => void;
+  removeItem: (id: string) => void;
+  updateQuantity: (id: string, quantity: number) => void;
+  toggleInstall: (id: string) => void;
+  clearCart: () => void;
+  getTotals: () => { subtotal: number; vat: number; total: number };
+}
+
+export const useCartStore = create<CartState>()(
+  persist(
+    (set, get) => ({
+      items: [],
+
+      addItem: (newItem) => {
+        set((state) => {
+          const id = `${newItem.slug}-${newItem.label || 'base'}-${newItem.withInstall}`;
+          const existingItem = state.items.find((item) => item.id === id);
+
+          if (existingItem) {
+            return {
+              items: state.items.map((item) =>
+                item.id === id ? { ...item, quantity: item.quantity + 1 } : item
+              ),
+            };
+          }
+
+          return { items: [...state.items, { ...newItem, id, quantity: 1 }] };
+        });
+      },
+
+      removeItem: (id) => {
+        set((state) => ({
+          items: state.items.filter((item) => item.id !== id),
+        }));
+      },
+
+      updateQuantity: (id, quantity) => {
+        if (quantity < 1) return;
+        set((state) => ({
+          items: state.items.map((item) =>
+            item.id === id ? { ...item, quantity } : item
+          ),
+        }));
+      },
+
+      toggleInstall: (id) => {
+        set((state) => {
+          const itemToUpdate = state.items.find(item => item.id === id);
+          if (!itemToUpdate) return state;
+
+          const newWithInstall = !itemToUpdate.withInstall;
+          const newId = `${itemToUpdate.slug}-${itemToUpdate.label || 'base'}-${newWithInstall}`;
+
+          const targetExists = state.items.find(item => item.id === newId);
+
+          if (targetExists) {
+             return {
+               items: state.items
+                .map(item => item.id === newId ? { ...item, quantity: item.quantity + itemToUpdate.quantity } : item)
+                .filter(item => item.id !== id)
+             }
+          }
+
+          return {
+            items: state.items.map((item) =>
+              item.id === id ? { ...item, withInstall: newWithInstall, id: newId } : item
+            ),
+          };
+        });
+      },
+
+      clearCart: () => set({ items: [] }),
+
+      getTotals: () => {
+        const { items } = get();
+        let subtotal = 0;
+        let vat = 0;
+        
+        items.forEach((item) => {
+          const itemPrice = item.withInstall ? item.priceWithInstall : item.price;
+          const itemTotalGross = itemPrice * item.quantity;
+          const vatRate = item.withInstall ? 0.08 : 0.23;
+          const itemTotalNet = itemTotalGross / (1 + vatRate);
+          const itemVat = itemTotalGross - itemTotalNet;
+
+          subtotal += itemTotalNet;
+          vat += itemVat;
+        });
+
+        return {
+          subtotal,
+          vat,
+          total: subtotal + vat
+        };
+      },
+    }),
+    {
+      name: 'air-project-cart',
+    }
+  )
+);