migration

PediFoods/Views/Main/CartView.swift

@@ -0,0 +1,407 @@
+import Foundation
+import SwiftUI
+
+struct CartView: View {
+    @Binding var appState: AppState
+    @Binding var selectedTab: MainTab
+    let enterAuth: () -> Void
+    @State var openCheckout = false
+    @State var couponCode = ""
+    @State var appliedCouponCode: String? = nil
+    @State var deliveryFee: Double? = nil
+    @State var selectedCustomerAddress: CustomerAddress? = nil
+    @State var isLoadingDeliveryFee = false
+
+    var body: some View {
+        ScrollView(showsIndicators: false) {
+            VStack(spacing: 16) {
+                Text("Meu Carrinho")
+                    .font(AppTypography.heading1)
+                    .foregroundStyle(AppColors.textPrimary)
+                    .frame(maxWidth: .infinity, alignment: .center)
+                    .padding(.top, 20)
+
+                if appState.cart.items.isEmpty {
+                    VStack(spacing: 10) {
+                        Text("Seu carrinho está vazio")
+                            .font(AppTypography.heading3)
+                            .foregroundStyle(AppColors.textPrimary)
+                        Text("Adicione produtos para continuar.")
+                            .font(AppTypography.body)
+                            .foregroundStyle(AppColors.textMuted)
+                    }
+                    .frame(maxWidth: .infinity, minHeight: 280, alignment: .center)
+                } else {
+                    VStack(spacing: 12) {
+                        ForEach(appState.cart.items) { item in
+                            cartItemRow(item)
+                        }
+                    }
+                    .padding(.horizontal, 20)
+
+//                    couponSection
+//                        .padding(.horizontal, 20)
+
+                    summarySection
+                        .padding(.horizontal, 20)
+                }
+            }
+            .padding(.bottom, 120)
+        }
+        .frame(maxWidth: .infinity, maxHeight: .infinity)
+        .background(AppColors.backgroundLight)
+        .navigationDestination(isPresented: $openCheckout) {
+            CheckoutView(appState: $appState, selectedTab: $selectedTab)
+        }
+        .task(id: deliveryFeeWatchKey) {
+            await refreshDeliveryFee()
+        }
+    }
+
+    private var subtotalValue: Double {
+        appState.cart.items.reduce(0) { $0 + (Double($1.quantity) * $1.unitPrice) }
+    }
+
+    private var totalValue: Double {
+        max(0, subtotalValue + (deliveryFee ?? 0) - effectiveDiscountValue)
+    }
+
+    private var effectiveDiscountValue: Double {
+        let normalizedCoupon = (appliedCouponCode ?? "")
+            .trimmingCharacters(in: .whitespacesAndNewlines)
+            .uppercased()
+
+        if normalizedCoupon == "DESCONTO10" {
+            return min(subtotalValue, subtotalValue * 0.1)
+        }
+        return 0
+    }
+
+    private var discountLabelValue: String {
+        if effectiveDiscountValue <= 0.0001 {
+            return formatCurrency(0)
+        }
+        return "-\(formatCurrency(effectiveDiscountValue))"
+    }
+
+    private var deliveryFeeWatchKey: String {
+        let storeId = appState.cart.storeId ?? "nil"
+        let selectedId = appState.address.selectedId ?? "nil"
+        let display = appState.address.display.trimmingCharacters(in: .whitespacesAndNewlines).lowercased()
+        let lat = appState.address.latitude.map { String(format: "%.5f", $0) } ?? "nil"
+        let lng = appState.address.longitude.map { String(format: "%.5f", $0) } ?? "nil"
+        return "\(storeId)|\(selectedId)|\(display)|\(lat)|\(lng)"
+    }
+
+    private var couponSection: some View {
+        VStack(alignment: .leading, spacing: 10) {
+            Text("Cupom de Desconto")
+                .font(AppTypography.heading2)
+                .foregroundStyle(AppColors.textPrimary)
+
+            HStack(spacing: 10) {
+                HStack(spacing: 8) {
+                    Image(systemName: "ticket")
+                        .foregroundStyle(AppColors.textMuted)
+                    TextField("Inserir cupom", text: $couponCode)
+                        .appNoAutoCap()
+                }
+                .padding(.horizontal, 12)
+                .frame(height: 50)
+                .background(AppColors.surface)
+                .overlay(
+                    RoundedRectangle(cornerRadius: AppLayout.radiusLG, style: .continuous)
+                        .stroke(AppColors.brandSoft, lineWidth: 1)
+                )
+                .clipShape(RoundedRectangle(cornerRadius: AppLayout.radiusLG, style: .continuous))
+
+                Button("Aplicar") {
+                    applyCoupon()
+                }
+                .font(AppTypography.heading3)
+                .foregroundStyle(AppColors.textInverse)
+                .frame(width: 120, height: 50)
+                .background(AppColors.brandDark)
+                .clipShape(RoundedRectangle(cornerRadius: AppLayout.radiusLG, style: .continuous))
+                .buttonStyle(.plain)
+            }
+
+            if let appliedCouponCode {
+                Text("Cupom aplicado: \(appliedCouponCode)")
+                    .font(.caption)
+                    .foregroundStyle(AppColors.primary)
+            }
+        }
+    }
+
+    private var summarySection: some View {
+        VStack(alignment: .leading, spacing: 12) {
+            Text("Resumo de Valores")
+                .font(AppTypography.heading2)
+                .foregroundStyle(AppColors.textPrimary)
+
+            summaryRow(title: "Subtotal", value: formatCurrency(subtotalValue))
+            summaryRow(title: "Taxa de Entrega", value: deliveryFeeLabel)
+            summaryRow(title: "Desconto", value: discountLabelValue, valueColor: effectiveDiscountValue > 0 ? Color.red : AppColors.textMuted)
+
+            Divider()
+
+            summaryRow(title: "Total", value: formatCurrency(totalValue), highlighted: true)
+
+            Button {
+                guard appState.session.isAuthenticated else {
+                    enterAuth()
+                    return
+                }
+                openCheckout = true
+            } label: {
+                HStack(spacing: 10) {
+                    Text("Ir para o Pagamento")
+                        .font(AppTypography.heading2)
+                    Image(systemName: "arrow.right")
+                        .font(.system(size: 18, weight: .bold))
+                }
+                .foregroundStyle(AppColors.textInverse)
+                .frame(maxWidth: .infinity, minHeight: 54)
+                .background(AppColors.primary)
+                .clipShape(RoundedRectangle(cornerRadius: AppLayout.radiusLG, style: .continuous))
+            }
+            .buttonStyle(.plain)
+        }
+        .padding(16)
+        .background(AppColors.surface)
+        .clipShape(RoundedRectangle(cornerRadius: AppLayout.radiusXL, style: .continuous))
+    }
+
+    private var deliveryFeeLabel: String {
+        if isLoadingDeliveryFee {
+            return "Calculando..."
+        }
+        if let deliveryFee {
+            return formatCurrency(deliveryFee)
+        }
+        return "Indisponível"
+    }
+
+    private func summaryRow(title: String, value: String, valueColor: Color? = nil, highlighted: Bool = false) -> some View {
+        HStack {
+            Text(title)
+                .font(highlighted ? AppTypography.heading2 : AppTypography.body)
+                .foregroundStyle(AppColors.textMuted)
+            Spacer()
+            Text(value)
+                .font(highlighted ? AppTypography.heading1 : AppTypography.heading3)
+                .foregroundStyle(valueColor ?? AppColors.textPrimary)
+        }
+    }
+
+    private func cartItemRow(_ item: CartItemState) -> some View {
+        HStack(spacing: 14) {
+            AsyncStoreImage(imageURL: item.imageURL)
+                .frame(width: 78, height: 78)
+                .clipShape(RoundedRectangle(cornerRadius: AppLayout.radiusLG, style: .continuous))
+
+            VStack(alignment: .leading, spacing: 6) {
+                Text(item.name)
+                    .font(AppTypography.heading3)
+                    .foregroundStyle(AppColors.textPrimary)
+                    .lineLimit(1)
+                if let details = item.details, details.isEmpty == false {
+                    Text(details)
+                        .font(.caption)
+                        .foregroundStyle(AppColors.textMuted)
+                        .lineLimit(2)
+                }
+                Text(formatCurrency(item.unitPrice))
+                    .font(AppTypography.body)
+                    .foregroundStyle(AppColors.textMuted)
+            }
+
+            Spacer()
+
+            HStack(spacing: 10) {
+                Button(action: { appState.cart.decrement(itemId: item.id) }) {
+                    Image(systemName: "minus")
+                        .font(.system(size: 13, weight: .bold))
+                        .foregroundStyle(AppColors.textPrimary)
+                        .frame(width: 32, height: 32)
+                        .background(AppColors.backgroundLight)
+                        .clipShape(Circle())
+                }
+                .buttonStyle(.plain)
+
+                Text("\(item.quantity)")
+                    .font(AppTypography.heading3)
+                    .foregroundStyle(AppColors.textPrimary)
+                    .frame(minWidth: 18)
+
+                Button(action: { appState.cart.increment(itemId: item.id) }) {
+                    Image(systemName: "plus")
+                        .font(.system(size: 13, weight: .bold))
+                        .foregroundStyle(AppColors.textPrimary)
+                        .frame(width: 32, height: 32)
+                        .background(AppColors.tertiary)
+                        .clipShape(Circle())
+                }
+                .buttonStyle(.plain)
+            }
+            .padding(.horizontal, 8)
+            .padding(.vertical, 6)
+            .background(AppColors.backgroundLight)
+            .clipShape(Capsule())
+        }
+        .padding(.horizontal, 12)
+        .padding(.vertical, 12)
+        .background(AppColors.surface)
+        .clipShape(RoundedRectangle(cornerRadius: AppLayout.radiusLG, style: .continuous))
+    }
+
+    private func applyCoupon() {
+        let normalized = couponCode.trimmingCharacters(in: .whitespacesAndNewlines).uppercased()
+        guard normalized.isEmpty == false else {
+            appliedCouponCode = nil
+            return
+        }
+
+        if normalized == "DESCONTO10" {
+            appliedCouponCode = normalized
+            return
+        }
+
+        appliedCouponCode = nil
+    }
+
+    private func formatCurrency(_ value: Double) -> String {
+        String(format: "R$ %.2f", value).replacingOccurrences(of: ".", with: ",")
+    }
+
+    @MainActor
+    private func refreshDeliveryFee() async {
+        guard appState.cart.items.isEmpty == false else {
+            deliveryFee = nil
+            selectedCustomerAddress = nil
+            return
+        }
+        guard let storeId = appState.cart.storeId, storeId.isEmpty == false else {
+            deliveryFee = nil
+            selectedCustomerAddress = nil
+            return
+        }
+
+        isLoadingDeliveryFee = true
+        defer { isLoadingDeliveryFee = false }
+
+        do {
+            let profileResponse = try await ApiService().profile(forceRefresh: true)
+            let addresses = profileResponse.result?.addressBook ?? []
+
+            if let selectedId = appState.address.selectedId, selectedId.isEmpty == false {
+                selectedCustomerAddress = addresses.first(where: { $0.id == selectedId })
+            } else {
+                selectedCustomerAddress = nil
+            }
+
+            // id can be nil for some address book entries — lat/lng is set
+            // immediately and reliably at selection time (AddressesView.
+            // selectAddress), so it's a stronger signal than the label match
+            // below, which silently collides whenever two addresses share an
+            // empty/duplicate label. Without this, an id-less address falls
+            // through to addresses.first and never actually "changes".
+            if selectedCustomerAddress == nil,
+               let lat = appState.address.latitude, let lng = appState.address.longitude {
+                selectedCustomerAddress = addresses.first { address in
+                    guard let addrLat = address.latLong?.first,
+                          let addrLng = address.latLong?.dropFirst().first else { return false }
+                    return abs(addrLat - lat) < 0.00001 && abs(addrLng - lng) < 0.00001
+                }
+            }
+
+            if selectedCustomerAddress == nil {
+                let display = appState.address.display
+                    .trimmingCharacters(in: .whitespacesAndNewlines)
+                    .lowercased()
+                if display.isEmpty == false, display != "defina seu endereco" {
+                    selectedCustomerAddress = addresses.first {
+                        ($0.label ?? "").trimmingCharacters(in: .whitespacesAndNewlines).lowercased() == display
+                    }
+                }
+            }
+
+            if selectedCustomerAddress == nil {
+                selectedCustomerAddress = addresses.first
+            }
+
+            if let selected = selectedCustomerAddress {
+                // appState.address reflects the address the user just picked —
+                // authoritative. Only fill in gaps from the address book here,
+                // never overwrite a live selection with a (possibly stale)
+                // cached record, or the fee/validation payload below can end
+                // up built against the wrong coordinates.
+                if appState.address.selectedId == nil || appState.address.selectedId?.isEmpty == true {
+                    appState.address.selectedId = selected.id
+                }
+                if appState.address.display.isEmpty || appState.address.display == "Defina seu endereco" {
+                    let label = (selected.label ?? "").trimmingCharacters(in: .whitespacesAndNewlines)
+                    if label.isEmpty == false {
+                        appState.address.display = label
+                    }
+                }
+                if appState.address.latitude == nil || appState.address.longitude == nil,
+                   let lat = selected.latLong?.first, let lng = selected.latLong?.dropFirst().first {
+                    appState.address.latitude = lat
+                    appState.address.longitude = lng
+                }
+                SessionStateStore.saveAddress(appState.address)
+            }
+
+            var payloadLat = appState.address.latitude ?? selectedCustomerAddress?.latLong?.first
+            var payloadLng = appState.address.longitude ?? selectedCustomerAddress?.latLong?.dropFirst().first
+
+            // Some saved addresses have no lat/long (CEP lookup at creation
+            // time didn't return coordinates). Without coordinates the
+            // backend can't tell this address apart from any other, so the
+            // fee silently never changes. Geocode locally as a fallback.
+            if payloadLat == nil || payloadLng == nil {
+                if let coordinate = await LocationService.geocodeAddress(
+                    street: selectedCustomerAddress?.address,
+                    number: selectedCustomerAddress?.number,
+                    neighborhood: selectedCustomerAddress?.neighborhood,
+                    city: selectedCustomerAddress?.city,
+                    state: selectedCustomerAddress?.state,
+                    zip: selectedCustomerAddress?.zipCode
+                ) {
+                    payloadLat = coordinate.0
+                    payloadLng = coordinate.1
+                    appState.address.latitude = coordinate.0
+                    appState.address.longitude = coordinate.1
+                    SessionStateStore.saveAddress(appState.address)
+                }
+            }
+
+            let payload = ValidateDeliveryAddressPayload(
+                address: ValidateDeliveryAddressDataPayload(
+                    street: selectedCustomerAddress?.address,
+                    number: selectedCustomerAddress?.number,
+                    neighborhood: selectedCustomerAddress?.neighborhood,
+                    city: selectedCustomerAddress?.city,
+                    state: selectedCustomerAddress?.state,
+                    zip: selectedCustomerAddress?.zipCode,
+                    lat: payloadLat,
+                    lng: payloadLng
+                )
+            )
+
+            let validationResponse = try await ApiService().validateDeliveryAddress(storeId: storeId, payload: payload)
+            guard validationResponse.error == false,
+                  validationResponse.result?.deliveryAllowed == true,
+                  let fee = validationResponse.result?.deliveryFee else {
+                deliveryFee = nil
+                return
+            }
+
+            deliveryFee = fee
+        } catch {
+            deliveryFee = nil
+        }
+    }
+}