display outstanding and unbilled credit card values and also fix 00.00 values on credit card statement

app/src/main/java/sh/sar/basedbank/util/HistoryFetcher.kt

@@ -35,6 +35,21 @@ class HistoryFetcher(private val account: BankAccount) {
 
     // BML card pagination (month-based)
     private var cardMonthOffset = 0
+    private var pendingCardOutstanding: List<BankTransaction>? = null
+    private var pendingCardUnbilled: List<BankTransaction>? = null
+
+    /**
+     * Returns and clears the card outstanding + unbilled lists captured on the first card
+     * fetch. Each list is only ever returned once.
+     */
+    fun takeCardPendingSections(): Pair<List<BankTransaction>, List<BankTransaction>>? {
+        val o = pendingCardOutstanding
+        val u = pendingCardUnbilled
+        if (o == null && u == null) return null
+        pendingCardOutstanding = null
+        pendingCardUnbilled = null
+        return Pair(o ?: emptyList(), u ?: emptyList())
+    }
 
     // Fahipay pagination
     private var fahipayNextStart = 0
@@ -90,16 +105,22 @@ class HistoryFetcher(private val account: BankAccount) {
     private fun fetchBmlCard(app: BasedBankApp): List<BankTransaction> {
         val session = app.bmlSessionFor(account) ?: return emptyList()
         val cal = Calendar.getInstance()
+        val isFirstFetch = cardMonthOffset == 0
         cal.add(Calendar.MONTH, -cardMonthOffset)
         val month = SimpleDateFormat("yyyyMM", Locale.US).format(cal.time)
         cardMonthOffset++
-        return BmlHistoryClient().fetchCardHistory(
+        val result = BmlHistoryClient().fetchCardHistory(
             session            = session,
             cardId             = account.internalId,
             accountDisplayName = account.accountBriefName,
             accountNumber      = account.accountNumber,
             month              = month
         )
+        if (isFirstFetch) {
+            pendingCardOutstanding = result.outstanding
+            pendingCardUnbilled = result.unbilled
+        }
+        return result.statement
     }
 
     private fun fetchBmlCasa(app: BasedBankApp): List<BankTransaction> {