prep support for transfers for bml business accounts)

app/src/main/java/sh/sar/basedbank/api/bml/BmlAccountClient.kt

@@ -81,6 +81,27 @@ class BmlAccountClient {
         } catch (_: Exception) { null }
     }
 
+    fun fetchTransferChannels(session: BmlSession): List<BmlOtpChannel> {
+        val resp = client.newCall(bmlApiRequest(session, "$BML_BASE_URL/api/mobile/transfer")).execute()
+        val json = resp.body?.string() ?: run { resp.close(); return emptyList() }
+        resp.close()
+        return try {
+            val root = JSONObject(json)
+            if (!root.optBoolean("success")) return emptyList()
+            val arr = root.optJSONObject("payload")
+                ?.optJSONObject("transfer")
+                ?.optJSONArray("otpChannel") ?: return emptyList()
+            (0 until arr.length()).map { i ->
+                val ch = arr.getJSONObject(i)
+                BmlOtpChannel(
+                    channel     = ch.optString("channel"),
+                    description = ch.optString("description"),
+                    masked      = ch.optString("masked")
+                )
+            }
+        } catch (_: Exception) { emptyList() }
+    }
+
     private fun parseDashboard(
         json: String,
         loginTag: String,

app/src/main/java/sh/sar/basedbank/api/bml/BmlTransferClient.kt

@@ -17,7 +17,8 @@ class BmlTransferClient {
         amount: Double,
         transferType: String,
         currency: String,
-        bank: String? = null
+        bank: String? = null,
+        channel: String = "token"
     ): Boolean {
         val jo = JSONObject().apply {
             put("debitAccount", debitAccount)
@@ -25,7 +26,7 @@ class BmlTransferClient {
             put("debitAmount", amount)
             put("transfertype", transferType)
             put("currency", currency)
-            put("channel", "token")
+            put("channel", channel)
             if (bank != null) put("bank", bank)
         }
         val request = Request.Builder()
@@ -55,7 +56,8 @@ class BmlTransferClient {
         currency: String,
         otp: String,
         remarks: String = "",
-        bank: String? = null
+        bank: String? = null,
+        channel: String = "token"
     ): BmlTransferResult {
         val jo = JSONObject().apply {
             put("debitAccount", debitAccount)
@@ -63,7 +65,7 @@ class BmlTransferClient {
             put("debitAmount", amount)
             put("transfertype", transferType)
             put("currency", currency)
-            put("channel", "token")
+            put("channel", channel)
             put("otp", otp)
             if (remarks.isNotBlank()) put("remarks", remarks)
             if (bank != null) put("bank", bank)

app/src/main/java/sh/sar/basedbank/ui/home/TransferFragment.kt

@@ -15,6 +15,8 @@ import android.widget.BaseAdapter
 import android.widget.Filter
 import android.widget.Filterable
 import android.graphics.Typeface
+import android.view.Gravity
+import android.widget.ImageView
 import android.widget.LinearLayout
 import android.widget.TextView
 import android.widget.Toast
@@ -36,6 +38,8 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import sh.sar.basedbank.BasedBankApp
 import sh.sar.basedbank.R
+import sh.sar.basedbank.api.bml.BmlAccountClient
+import sh.sar.basedbank.api.bml.BmlOtpChannel
 import sh.sar.basedbank.api.bml.BmlTransferClient
 import sh.sar.basedbank.api.bml.BmlTransferResult
 import sh.sar.basedbank.api.bml.BmlValidateClient
@@ -83,6 +87,28 @@ class TransferFragment : Fragment() {
     // Values: "FAHIPAY_TRANSFER", "RAASTAS", "OOREDOO_BILL"
     private var selectedFahipayService: String? = null
 
+    // BML business profile OTP flow state
+    private enum class BmlOtpState { NONE, SELECTING_CHANNEL, AWAITING_OTP }
+    private var bmlOtpState = BmlOtpState.NONE
+    private var bmlOtpChannel: String? = null
+
+    private data class PendingBmlTransfer(
+        val src: BankAccount,
+        val debitAccount: String,
+        val creditAccount: String,
+        val amount: Double,
+        val amountStr: String,
+        val remarks: String,
+        val transferType: String,
+        val currency: String,
+        val bank: String?,
+        val destDisplay: String,
+        val destAccount: String,
+        val toBank: String,
+        val toAvatar: Bitmap?
+    )
+    private var pendingBmlTransfer: PendingBmlTransfer? = null
+
     private val qrLauncher = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
         if (result.resultCode != Activity.RESULT_OK) return@registerForActivityResult
         val raw = result.data?.getStringExtra(QrScannerActivity.EXTRA_QR_CONTENT) ?: return@registerForActivityResult
@@ -171,7 +197,10 @@ class TransferFragment : Fragment() {
         }
 
         binding.btnTransfer.isEnabled = false
-        binding.btnTransfer.setOnClickListener { initiateTransfer() }
+        binding.btnTransfer.setOnClickListener {
+            if (bmlOtpState == BmlOtpState.AWAITING_OTP) verifyBmlOtp()
+            else initiateTransfer()
+        }
 
         binding.etAmount.addTextChangedListener { updateTransferButton() }
 
@@ -602,6 +631,7 @@ class TransferFragment : Fragment() {
         val remarks = binding.etRemarks.text?.toString()?.trim() ?: ""
 
         val isSrcBml = src.bank == "BML"
+        val isBmlBusiness = isSrcBml && isBusinessProfile(src)
         val isSrcCard = src.profileType == "BML_PREPAID" || src.profileType == "BML_CREDIT"
         val isDestMib = AccountInputParser.detect(resolvedAccountNumber) == AccountInputParser.InputType.MIB_ACCOUNT
         val currency = src.currencyName.ifBlank { "MVR" }
@@ -636,26 +666,34 @@ class TransferFragment : Fragment() {
         val mainMsg = "Send $currency $amountStr to $destDisplay?\n\nFrom: ${src.accountBriefName} · ${src.accountNumber}"
 
         val doTransfer: () -> Unit = {
-            binding.btnTransfer.isEnabled = false
-            (activity as? HomeActivity)?.setRefreshing(true)
-            viewLifecycleOwner.lifecycleScope.launch {
-                val (ok, msg, receipt) = withContext(Dispatchers.IO) {
-                    if (!isSrcBml) {
-                        doMibTransfer(src, resolvedAccountNumber, resolvedRecipientName, destDisplay, amountStr, remarks, bankNameCapture)
-                    } else {
-                        doBmlTransfer(src, resolvedAccountNumber, destDisplay, amount, amountStr, remarks, isSrcCard, isDestMib, currency, allAccounts, allContacts)
+            if (isBmlBusiness) {
+                // Business profile: async OTP channel selection flow
+                startBmlBusinessOtpFlow(
+                    src, resolvedAccountNumber, destDisplay, amount, amountStr, remarks,
+                    isSrcCard, isDestMib, currency, allAccounts, allContacts, capturedToAvatar
+                )
+            } else {
+                binding.btnTransfer.isEnabled = false
+                (activity as? HomeActivity)?.setRefreshing(true)
+                viewLifecycleOwner.lifecycleScope.launch {
+                    val (ok, msg, receipt) = withContext(Dispatchers.IO) {
+                        if (!isSrcBml) {
+                            doMibTransfer(src, resolvedAccountNumber, resolvedRecipientName, destDisplay, amountStr, remarks, bankNameCapture)
+                        } else {
+                            doBmlTransfer(src, resolvedAccountNumber, destDisplay, amount, amountStr, remarks, isSrcCard, isDestMib, currency, allAccounts, allContacts)
+                        }
+                    }
+                    binding.btnTransfer.isEnabled = true
+                    (activity as? HomeActivity)?.setRefreshing(false)
+                    if (ok && receipt != null) {
+                        ReceiptStore.save(requireContext(), receipt)
+                        clearForm()
+                        val activity = requireActivity() as HomeActivity
+                        activity.triggerRefresh()
+                        activity.showWithBackStack(TransferReceiptFragment.newInstance(receipt, capturedToAvatar))
+                    } else if (!ok) {
+                        Toast.makeText(requireContext(), msg, Toast.LENGTH_LONG).show()
                     }
-                }
-                binding.btnTransfer.isEnabled = true
-                (activity as? HomeActivity)?.setRefreshing(false)
-                if (ok && receipt != null) {
-                    ReceiptStore.save(requireContext(), receipt)
-                    clearForm()
-                    val activity = requireActivity() as HomeActivity
-                    activity.triggerRefresh()
-                    activity.showWithBackStack(TransferReceiptFragment.newInstance(receipt, capturedToAvatar))
-                } else if (!ok) {
-                    Toast.makeText(requireContext(), msg, Toast.LENGTH_LONG).show()
                 }
             }
         }
@@ -884,12 +922,300 @@ class TransferFragment : Fragment() {
         }
     }
 
+    // ── BML business profile OTP flow ─────────────────────────────────────────
+
+    private fun isBusinessProfile(account: BankAccount): Boolean {
+        val app = requireActivity().application as BasedBankApp
+        val loginId = account.loginTag.removePrefix("bml_")
+        val profiles = app.bmlProfilesMap[loginId] ?: return false
+        return profiles.firstOrNull { it.profileId == account.profileId }?.profileType == "business"
+    }
+
+    private fun startBmlBusinessOtpFlow(
+        src: BankAccount,
+        destAccount: String,
+        destDisplay: String,
+        amount: Double,
+        amountStr: String,
+        remarks: String,
+        isSrcCard: Boolean,
+        isDestMib: Boolean,
+        currency: String,
+        allAccounts: List<BankAccount>,
+        allContacts: List<BankContact>,
+        toAvatar: Bitmap?
+    ) {
+        val debitAccount = src.internalId.ifBlank {
+            Toast.makeText(requireContext(), getString(R.string.transfer_missing_internal_id), Toast.LENGTH_SHORT).show()
+            return
+        }
+        val isDestMyCard = allAccounts.any {
+            (it.profileType == "BML_PREPAID" || it.profileType == "BML_CREDIT") && it.accountNumber == destAccount
+        }
+        val (transferType, creditAccount, bank) = when {
+            isSrcCard -> {
+                val destBml = allAccounts.firstOrNull { it.accountNumber == destAccount && it.profileType == "BML" }
+                Triple("CAD", destBml?.internalId?.ifBlank { destAccount } ?: destAccount, null as String?)
+            }
+            isDestMyCard -> {
+                val card = allAccounts.first {
+                    (it.profileType == "BML_PREPAID" || it.profileType == "BML_CREDIT") && it.accountNumber == destAccount
+                }
+                Triple("CPA", card.internalId.ifBlank { destAccount }, null as String?)
+            }
+            isDestMib && currency == "MVR" -> Triple("DOT", destAccount, "MIB")
+            isDestMib -> {
+                val contact = allContacts.firstOrNull { it.benefCategoryId == "BML" && it.benefAccount == destAccount }
+                if (contact == null) {
+                    Toast.makeText(requireContext(), "BML contact not found for this account", Toast.LENGTH_SHORT).show()
+                    return
+                }
+                Triple("DOT", contact.benefNo.removePrefix("bml_"), null as String?)
+            }
+            else -> Triple("IAT", destAccount, null as String?)
+        }
+        val toBank = bank ?: if (isDestMib) "MIB" else "BML"
+
+        pendingBmlTransfer = PendingBmlTransfer(
+            src          = src,
+            debitAccount  = debitAccount,
+            creditAccount = creditAccount,
+            amount        = amount,
+            amountStr     = amountStr,
+            remarks       = remarks,
+            transferType  = transferType,
+            currency      = currency,
+            bank          = bank,
+            destDisplay   = destDisplay,
+            destAccount   = destAccount,
+            toBank        = toBank,
+            toAvatar      = toAvatar
+        )
+
+        bmlOtpState = BmlOtpState.SELECTING_CHANNEL
+        binding.btnTransfer.isEnabled = false
+        (activity as? HomeActivity)?.setRefreshing(true)
+
+        viewLifecycleOwner.lifecycleScope.launch {
+            val sess = bmlSessionFor(src)
+            val channels = if (sess != null) {
+                withContext(Dispatchers.IO) {
+                    try { BmlAccountClient().fetchTransferChannels(sess) }
+                    catch (_: Exception) { emptyList() }
+                }
+            } else emptyList<BmlOtpChannel>()
+
+            (activity as? HomeActivity)?.setRefreshing(false)
+
+            if (channels.isEmpty()) {
+                Toast.makeText(requireContext(), "Could not load OTP channels", Toast.LENGTH_SHORT).show()
+                resetBmlOtpState()
+                updateTransferButton()
+                return@launch
+            }
+
+            showBmlChannelSelection(channels)
+        }
+    }
+
+    private fun showBmlChannelSelection(channels: List<BmlOtpChannel>) {
+        val ctx = requireContext()
+        val dp = ctx.resources.displayMetrics.density
+        binding.containerBmlChannels.removeAllViews()
+
+        for (channel in channels) {
+            val iconRes = when (channel.channel) {
+                "email"  -> R.drawable.ic_channel_email
+                "mobile" -> R.drawable.ic_channel_sms
+                else     -> R.drawable.ic_channel_sms
+            }
+            val iconSize = (24 * dp).toInt()
+
+            val textCol = LinearLayout(ctx).apply {
+                orientation = LinearLayout.VERTICAL
+                gravity = Gravity.CENTER_VERTICAL
+                layoutParams = LinearLayout.LayoutParams(0, LinearLayout.LayoutParams.WRAP_CONTENT, 1f).apply {
+                    marginStart = (12 * dp).toInt()
+                }
+            }
+            textCol.addView(TextView(ctx).apply {
+                text = channel.description
+                setTextAppearance(com.google.android.material.R.style.TextAppearance_Material3_BodyLarge)
+            })
+            textCol.addView(TextView(ctx).apply {
+                text = channel.masked
+                setTextAppearance(com.google.android.material.R.style.TextAppearance_Material3_BodySmall)
+                alpha = 0.6f
+            })
+
+            val row = LinearLayout(ctx).apply {
+                orientation = LinearLayout.HORIZONTAL
+                gravity = Gravity.CENTER_VERTICAL
+                val ta = ctx.obtainStyledAttributes(intArrayOf(android.R.attr.selectableItemBackground))
+                background = ta.getDrawable(0); ta.recycle()
+                isClickable = true; isFocusable = true
+                val hp = (16 * dp).toInt(); val vp = (12 * dp).toInt()
+                setPadding(hp, vp, hp, vp)
+            }
+            row.addView(ImageView(ctx).apply { setImageResource(iconRes) },
+                LinearLayout.LayoutParams(iconSize, iconSize))
+            row.addView(textCol)
+            row.setOnClickListener { selectBmlOtpChannel(channel) }
+            binding.containerBmlChannels.addView(row)
+        }
+
+        binding.layoutBmlChannelSelection.visibility = View.VISIBLE
+    }
+
+    private fun selectBmlOtpChannel(channel: BmlOtpChannel) {
+        bmlOtpChannel = channel.channel
+        binding.layoutBmlChannelSelection.visibility = View.GONE
+
+        val pending = pendingBmlTransfer ?: return
+        val sess = bmlSessionFor(pending.src) ?: run {
+            Toast.makeText(requireContext(), getString(R.string.transfer_session_unavailable), Toast.LENGTH_SHORT).show()
+            resetBmlOtpState()
+            updateTransferButton()
+            return
+        }
+
+        binding.btnTransfer.isEnabled = false
+        (activity as? HomeActivity)?.setRefreshing(true)
+
+        viewLifecycleOwner.lifecycleScope.launch {
+            val initiated = withContext(Dispatchers.IO) {
+                try {
+                    BmlTransferClient().initiateTransfer(
+                        sess, pending.debitAccount, pending.creditAccount,
+                        pending.amount, pending.transferType, pending.currency,
+                        pending.bank, channel.channel
+                    )
+                } catch (_: Exception) { false }
+            }
+            (activity as? HomeActivity)?.setRefreshing(false)
+
+            if (!initiated) {
+                Toast.makeText(requireContext(), "Failed to initiate transfer — check your session", Toast.LENGTH_SHORT).show()
+                resetBmlOtpState()
+                updateTransferButton()
+                return@launch
+            }
+
+            bmlOtpState = BmlOtpState.AWAITING_OTP
+            disableTransferFields()
+            binding.tilBmlOtp.visibility = View.VISIBLE
+            binding.etBmlOtp.requestFocus()
+            binding.btnTransfer.text = getString(R.string.transfer_verify_payment)
+            binding.btnTransfer.isEnabled = true
+        }
+    }
+
+    private fun verifyBmlOtp() {
+        val otp = binding.etBmlOtp.text?.toString()?.trim() ?: ""
+        if (otp.isEmpty()) {
+            binding.tilBmlOtp.error = "Enter the verification code"
+            return
+        }
+        binding.tilBmlOtp.error = null
+        val pending = pendingBmlTransfer ?: return
+        val channel = bmlOtpChannel ?: return
+        val sess = bmlSessionFor(pending.src) ?: run {
+            Toast.makeText(requireContext(), getString(R.string.transfer_session_unavailable), Toast.LENGTH_SHORT).show()
+            return
+        }
+
+        binding.btnTransfer.isEnabled = false
+        (activity as? HomeActivity)?.setRefreshing(true)
+
+        val capturedToAvatar = pending.toAvatar
+
+        viewLifecycleOwner.lifecycleScope.launch {
+            val (ok, msg, receipt) = withContext(Dispatchers.IO) {
+                try {
+                    val result = BmlTransferClient().confirmTransfer(
+                        sess, pending.debitAccount, pending.creditAccount,
+                        pending.amount, pending.transferType, pending.currency,
+                        otp, pending.remarks, pending.bank, channel
+                    )
+                    if (result.success) {
+                        val r = TransferReceiptData(
+                            bank         = "BML",
+                            amount       = "%.2f".format(pending.amount),
+                            currency     = pending.currency,
+                            fromLabel    = pending.src.accountBriefName,
+                            fromColorHex = "#0066A1",
+                            toLabel      = pending.destDisplay.ifBlank { pending.destAccount },
+                            toAccount    = pending.destAccount,
+                            toBank       = pending.toBank,
+                            remarks      = pending.remarks,
+                            bmlFromName  = pending.src.accountBriefName,
+                            bmlReference = result.reference,
+                            bmlTimestamp = result.timestamp,
+                            bmlMessage   = result.message
+                        )
+                        Triple(true, "", r)
+                    } else {
+                        Triple(false, result.errorMessage.ifBlank { "Transfer failed" }, null as TransferReceiptData?)
+                    }
+                } catch (e: Exception) {
+                    Triple(false, e.message ?: "Transfer failed", null as TransferReceiptData?)
+                }
+            }
+            (activity as? HomeActivity)?.setRefreshing(false)
+
+            if (ok && receipt != null) {
+                ReceiptStore.save(requireContext(), receipt)
+                resetBmlOtpState()
+                clearForm()
+                val activity = requireActivity() as HomeActivity
+                activity.triggerRefresh()
+                activity.showWithBackStack(TransferReceiptFragment.newInstance(receipt, capturedToAvatar))
+            } else {
+                binding.btnTransfer.isEnabled = true
+                binding.tilBmlOtp.error = msg
+            }
+        }
+    }
+
+    private fun disableTransferFields() {
+        binding.tilAmount.isEnabled = false
+        binding.tilRemarks.isEnabled = false
+        binding.cardFromInfo.alpha = 0.5f
+        binding.btnClearFromInfo.isEnabled = false
+        binding.cardToInfo.alpha = 0.5f
+        binding.btnClearToInfo.isEnabled = false
+    }
+
+    private fun enableTransferFields() {
+        binding.tilAmount.isEnabled = true
+        binding.tilRemarks.isEnabled = true
+        binding.cardFromInfo.alpha = 1f
+        binding.btnClearFromInfo.isEnabled = true
+        binding.cardToInfo.alpha = 1f
+        binding.btnClearToInfo.isEnabled = true
+    }
+
+    private fun resetBmlOtpState() {
+        bmlOtpState = BmlOtpState.NONE
+        bmlOtpChannel = null
+        pendingBmlTransfer = null
+        val b = _binding ?: return
+        b.layoutBmlChannelSelection.visibility = View.GONE
+        b.tilBmlOtp.visibility = View.GONE
+        b.etBmlOtp.setText("")
+        b.tilBmlOtp.error = null
+        enableTransferFields()
+        b.btnTransfer.text = getString(R.string.transfer)
+    }
+
     private fun updateTransferButton() {
+        if (bmlOtpState != BmlOtpState.NONE) return
         val amount = binding.etAmount.text?.toString()?.trim()?.toDoubleOrNull() ?: 0.0
         binding.btnTransfer.isEnabled = selectedAccount != null && resolvedAccountNumber.isNotBlank() && amount > 0
     }
 
     private fun clearForm() {
+        resetBmlOtpState()
         selectedAccount = null
         binding.actvFrom.setText("", false)
         binding.cardFromInfo.visibility = View.GONE

app/src/main/res/layout/fragment_transfer.xml

@@ -336,6 +336,51 @@
 
                 </com.google.android.material.textfield.TextInputLayout>
 
+                <!-- BML business OTP: channel selection (shown after confirmation, before OTP entry) -->
+                <LinearLayout
+                    android:id="@+id/layoutBmlChannelSelection"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:orientation="vertical"
+                    android:layout_marginBottom="8dp"
+                    android:visibility="gone">
+
+                    <TextView
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:layout_marginBottom="4dp"
+                        android:text="@string/transfer_send_otp_via"
+                        android:textAppearance="?attr/textAppearanceLabelMedium"
+                        android:textColor="?attr/colorOnSurfaceVariant" />
+
+                    <LinearLayout
+                        android:id="@+id/containerBmlChannels"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:orientation="vertical" />
+
+                </LinearLayout>
+
+                <!-- BML business OTP: verification code input (shown after channel selection) -->
+                <com.google.android.material.textfield.TextInputLayout
+                    android:id="@+id/tilBmlOtp"
+                    style="@style/Widget.Material3.TextInputLayout.OutlinedBox"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:hint="@string/transfer_otp_code_hint"
+                    android:layout_marginBottom="16dp"
+                    android:visibility="gone">
+
+                    <com.google.android.material.textfield.TextInputEditText
+                        android:id="@+id/etBmlOtp"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:inputType="number"
+                        android:maxLines="1"
+                        android:maxLength="6" />
+
+                </com.google.android.material.textfield.TextInputLayout>
+
                 <com.google.android.material.button.MaterialButton
                     android:id="@+id/btnTransfer"
                     android:layout_width="match_parent"

app/src/main/res/values/strings.xml

@@ -232,6 +232,9 @@
     <string name="transfer_bml_contact_required_title">Contact Required</string>
     <string name="transfer_bml_contact_required_msg">To send USD to a MIB account from BML, the recipient must be saved as a BML contact first. This is required by BML\'s API.\n\nPlease add this account as a BML contact, then try again.</string>
     <string name="transfer_missing_internal_id">Account data is incomplete — please re-login to refresh.</string>
+    <string name="transfer_verify_payment">Verify Payment</string>
+    <string name="transfer_send_otp_via">Send verification code via</string>
+    <string name="transfer_otp_code_hint">Verification code</string>
 
     <!-- Contacts -->
     <string name="contacts_empty">No contacts found</string>