Initial import

app/src/main/java/com/iiyh/emoneyinfo/data/Models.kt

@@ -0,0 +1,78 @@
+package com.iiyh.emoneyinfo.data
+
+import androidx.annotation.StringRes
+import com.iiyh.emoneyinfo.R
+import java.text.NumberFormat
+import java.text.SimpleDateFormat
+import java.util.Date
+import java.util.Locale
+import kotlin.math.abs
+
+enum class CardType(@param:StringRes val labelRes: Int) {
+    UNKNOWN(R.string.card_unknown),
+    MANDIRI(R.string.card_mandiri),
+    FLAZZ(R.string.card_flazz),
+    BRIZZI(R.string.card_brizzi),
+    TAPCASH(R.string.card_tapcash),
+    JACKCARD(R.string.card_jackcard),
+    MEGACASH(R.string.card_megacash),
+    KMT(R.string.card_kmt)
+}
+
+data class TransactionItem(
+    val title: String,
+    val date: Date,
+    val amount: Long,
+    val isCredit: Boolean,
+    val locationName: String = ""
+) {
+    fun formattedAmount(): String {
+        val formatter = NumberFormat.getCurrencyInstance(Locale.forLanguageTag("id-ID")).apply {
+            maximumFractionDigits = 0
+            currency = java.util.Currency.getInstance("IDR")
+        }
+        val raw = formatter.format(abs(amount)).replace("IDR", "Rp")
+        return if (isCredit) "+$raw" else "-$raw"
+    }
+
+    fun formattedDate(): String = SimpleDateFormat("dd MMM yyyy · HH:mm", Locale.forLanguageTag("id-ID")).format(date)
+
+    fun subtitle(): String = buildString {
+        append(formattedDate())
+        if (locationName.isNotBlank()) {
+            append(" · ")
+            append(locationName)
+        }
+    }
+}
+
+data class EmoneyUiState(
+    val cardType: CardType = CardType.UNKNOWN,
+    val balance: Long = 0,
+    val cardNumber: String = "",
+    val transactions: List<TransactionItem> = emptyList(),
+    val scanMessage: String = "",
+    val isNfcSupported: Boolean = true
+) {
+    fun formattedBalance(): String {
+        val formatter = NumberFormat.getCurrencyInstance(Locale.forLanguageTag("id-ID")).apply {
+            maximumFractionDigits = 0
+            currency = java.util.Currency.getInstance("IDR")
+        }
+        return formatter.format(balance).replace("IDR", "Rp")
+    }
+
+    fun hasCardData(): Boolean = cardType != CardType.UNKNOWN || cardNumber.isNotBlank() || balance > 0 || transactions.isNotEmpty()
+}
+
+fun String.formatCardNumber(): String {
+    val digits = filter { it.isDigit() }
+    if (digits.isEmpty()) return this
+    return digits.chunked(4).joinToString(" ")
+}
+
+fun String.maskFirst12(): String {
+    val digits = filter { it.isDigit() }
+    if (digits.length != 16) return formatCardNumber()
+    return "**** **** **** ${digits.takeLast(4)}"
+}