feat(payment): identify card brand and display logo dynamically

pedi-foods/Sources/PediFoods/Views/Main/CheckoutView.swift

@@ -760,6 +760,46 @@ struct PaymentCardView: View {
     @State var latestOrder: PublicOrderResult? = nil
     @State var hasOpenedTracking = false
 
+    private var detectedBrandLogo: String? {
+        let clean = cardNumber.filter(\.isNumber)
+        guard !clean.isEmpty else { return nil }
+
+        // Sodexo
+        if clean.hasPrefix("506766") || clean.hasPrefix("603389") {
+            return "sodexo_logo"
+        }
+        
+        // Alelo
+        if clean.hasPrefix("5067") || clean.hasPrefix("5078") || clean.hasPrefix("6278") || clean.hasPrefix("6367") {
+            return "alelocard_logo"
+        }
+
+        // Hipercard
+        if clean.hasPrefix("3841") || clean.hasPrefix("606282") || clean.hasPrefix("637095") || clean.hasPrefix("637568") {
+            return "hipercard_logo"
+        }
+
+        // Visa
+        if clean.hasPrefix("4") {
+            return "visacard_logo"
+        }
+
+        // Mastercard
+        if (51...55).contains(Int(clean.prefix(2)) ?? 0) {
+            return "mastercard_logo"
+        }
+        if let prefix4 = Int(clean.prefix(4)), (2221...2720).contains(prefix4) {
+            return "mastercard_logo"
+        }
+
+        // Amex
+        if clean.hasPrefix("34") || clean.hasPrefix("37") {
+            return "amexcard_logo"
+        }
+
+        return nil
+    }
+
     var body: some View {
         ScrollView(showsIndicators: false) {
             VStack(alignment: .leading, spacing: 14) {
@@ -786,11 +826,38 @@ struct PaymentCardView: View {
                     .foregroundStyle(AppColors.textPrimary)
 
                 VStack(spacing: 10) {
-                    labeledField("Número do Cartão", placeholder: "0000 0000 0000 0000", text: $cardNumber)
+                    labeledField("Número do Cartão", placeholder: "0000 0000 0000 0000", text: $cardNumber, brandLogo: detectedBrandLogo)
+                        .keyboardType(.numberPad)
+                        .onChange(of: cardNumber) { _, v in
+                            let d = String(v.filter(\.isNumber).prefix(16))
+                            let masked = stride(from: 0, to: d.count, by: 4)
+                                .map { i -> String in
+                                    let start = d.index(d.startIndex, offsetBy: i)
+                                    let end = d.index(start, offsetBy: min(4, d.count - i))
+                                    return String(d[start..<end])
+                                }.joined(separator: " ")
+                            if masked != v { cardNumber = masked }
+                        }
+
                     labeledField("Nome no Cartão", placeholder: "Como impresso no cartão", text: $cardHolderName)
+
                     HStack(spacing: 10) {
                         labeledField("Validade", placeholder: "MM/AA", text: $expiry)
+                            .keyboardType(.numberPad)
+                            .onChange(of: expiry) { _, v in
+                                let d = String(v.filter(\.isNumber).prefix(4))
+                                let masked: String
+                                if d.count <= 2 { masked = d }
+                                else { masked = "\(d.prefix(2))/\(d.dropFirst(2))" }
+                                if masked != v { expiry = masked }
+                            }
+
                         labeledField("CVV", placeholder: "•••", text: $cvv)
+                            .keyboardType(.numberPad)
+                            .onChange(of: cvv) { _, v in
+                                let d = String(v.filter(\.isNumber).prefix(4))
+                                if d != v { cvv = d }
+                            }
                     }
                 }
                 .padding(14)
@@ -847,17 +914,25 @@ struct PaymentCardView: View {
         onOpenTracking?()
     }
 
-    private func labeledField(_ label: String, placeholder: String, text: Binding<String>) -> some View {
+    private func labeledField(_ label: String, placeholder: String, text: Binding<String>, brandLogo: String? = nil) -> some View {
         VStack(alignment: .leading, spacing: 6) {
             Text(label)
                 .font(AppTypography.caption)
                 .foregroundStyle(AppColors.textMuted)
-            TextField(placeholder, text: text)
-                .appNoAutoCap()
-                .padding(.horizontal, 12)
-                .frame(height: 46)
-                .background(AppColors.backgroundLight)
-                .clipShape(RoundedRectangle(cornerRadius: 10, style: .continuous))
+            HStack(spacing: 8) {
+                TextField(placeholder, text: text)
+                    .appNoAutoCap()
+                if let brandLogo, brandLogo.isEmpty == false {
+                    Image(brandLogo)
+                        .resizable()
+                        .scaledToFit()
+                        .frame(width: 24, height: 24)
+                }
+            }
+            .padding(.horizontal, 12)
+            .frame(height: 46)
+            .background(AppColors.backgroundLight)
+            .clipShape(RoundedRectangle(cornerRadius: 10, style: .continuous))
         }
     }