feat(direct-send): wire contact selection -> amount entry -> send flow

apps/flipcash/core/src/main/kotlin/com/flipcash/app/core/send/SendStep.kt

@@ -2,6 +2,7 @@ package com.flipcash.app.core.send
 
 import android.os.Parcelable
 import com.getcode.navigation.flow.FlowStep
+import com.getcode.opencode.model.financial.Fiat
 import kotlinx.parcelize.Parcelize
 import kotlinx.serialization.Serializable
 
@@ -22,7 +23,18 @@ sealed interface SendStep : FlowStep, Parcelable {
     @Parcelize
     @Serializable
     data object ContactList : SendStep
+
+    @Parcelize
+    @Serializable
+    data class AmountEntry(
+        val e164: String,
+        val displayName: String,
+    ) : SendStep
 }
 
 @Serializable
-sealed interface SendResult : Parcelable
+sealed interface SendResult : Parcelable {
+    @Parcelize
+    @Serializable
+    data class Sent(val amount: Fiat) : SendResult
+}

apps/flipcash/core/src/main/res/values/strings.xml

@@ -52,6 +52,9 @@
     <string name="subtitle_giveCashHint">Enter up to %1$s</string>
     <string name="subtitle_giveCashHintLimitExceeded">You can only give up to %1$s</string>
 
+    <string name="subtitle_sendHint">Enter up to %1$s</string>
+    <string name="subtitle_sendHintLimitExceeded">You can only send up to %1$s</string>
+
     <string name="error_title_sendLimitReached">Transaction Limit Reached</string>
     <string name="error_description_sendLimitReached">Flipcash is designed for small, every day transactions. Send limits reset daily</string>
 
@@ -731,4 +734,14 @@
         <item quantity="other">%1$s Contacts Already On Flipcash</item>
     </plurals>
     <string name="prompt_description_contactsAlreadyOnFlipcash">Send them money, or invite other contacts to sign up for Flipcash</string>
+
+    <string name="error_title_contactNotOnFlipcash">Something Went Wrong</string>
+    <string name="error_description_contactNotOnFlipcash">This contact isn\'t on Flipcash. Pick someone else to send cash</string>
+
+    <string name="prompt_title_fundsSentToContact">Cash Sent Successfully</string>
+    <string name="prompt_description_fundsSentToContact">%1$s is on its way to %2$s</string>
+
+    <string name="error_title_cashFailedToSend">Something Went Wrong</string>
+    <string name="error_description_cashFailedToSend">We were unable to send your cash. Please try again</string>
+    <string name="action_swipeToSend">Swipe to Send</string>
 </resources>

apps/flipcash/features/direct-send/src/main/kotlin/com/flipcash/app/directsend/SendFlowScreen.kt

@@ -3,23 +3,43 @@ package com.flipcash.app.directsend
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.hilt.navigation.compose.hiltViewModel
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.navigation3.runtime.NavEntry
 import androidx.navigation3.runtime.NavKey
 import androidx.navigation3.runtime.entryProvider
+import com.flipcash.app.contacts.device.DeviceContact
+import com.flipcash.app.core.AppRoute
 import com.flipcash.app.core.send.SendResult
 import com.flipcash.app.core.send.SendStep
+import com.flipcash.app.core.tokens.TokenPurpose
+import com.flipcash.app.core.ui.ConfirmationStyle
+import com.flipcash.app.core.ui.TokenSelectionPill
 import com.flipcash.app.directsend.internal.SendFlowViewModel
+import com.flipcash.app.directsend.internal.screens.AmountEntryResult
+import com.flipcash.app.directsend.internal.screens.AmountEntryScreen
 import com.flipcash.app.directsend.internal.screens.ContactListScreen
 import com.flipcash.app.directsend.internal.screens.ContactsPermissionGateScreen
 import com.flipcash.app.directsend.internal.screens.PhoneGateLandingScreen
+import com.flipcash.features.directsend.R
+import com.getcode.manager.BottomBarManager
 import com.getcode.navigation.annotatedEntry
 import com.getcode.navigation.flow.FlowExitReason
 import com.getcode.navigation.flow.FlowHost
-import com.getcode.navigation.results.NavResultStateRegistry
+import com.getcode.navigation.flow.LocalOuterCodeNavigator
 import com.getcode.navigation.flow.flowSharedViewModel
+import com.getcode.navigation.flow.rememberFlowNavigator
+import com.getcode.navigation.results.NavResultStateRegistry
 import com.getcode.navigation.scenes.LocalBottomSheetDismissDispatcher
+import com.getcode.opencode.model.financial.Fiat
+import com.getcode.solana.keys.PublicKey
+import com.getcode.util.resources.LocalResources
+import kotlinx.coroutines.flow.filterIsInstance
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
 
 @Composable
 fun SendFlowScreen(resultStateRegistry: NavResultStateRegistry) {
@@ -42,19 +62,107 @@ fun SendFlowScreen(resultStateRegistry: NavResultStateRegistry) {
     )
 }
 
-private fun sendEntryProvider(): (NavKey) -> NavEntry<NavKey> = entryProvider {
-    annotatedEntry<SendStep.PhoneGate> {
-        SyncStep(it)
-        PhoneGateLandingScreen()
+@Composable
+private fun sendEntryProvider(): (NavKey) -> NavEntry<NavKey> {
+    return entryProvider {
+        annotatedEntry<SendStep.PhoneGate> {
+            SyncStep(it)
+            PhoneGateLandingScreen()
+        }
+        annotatedEntry<SendStep.ContactsGate> {
+            SyncStep(it)
+            ContactsPermissionGateScreen()
+        }
+        annotatedEntry<SendStep.ContactList> {
+            SyncStep(it)
+            ContactListScreen()
+        }
+        annotatedEntry<SendStep.AmountEntry> { step ->
+            SyncStep(step)
+            SendAmountEntryScreen()
+        }
     }
-    annotatedEntry<SendStep.ContactsGate> {
-        SyncStep(it)
-        ContactsPermissionGateScreen()
+}
+
+@Composable
+private fun SendAmountEntryScreen() {
+    val flowNavigator = rememberFlowNavigator<SendStep, SendResult>()
+    val sharedVm = flowSharedViewModel<SendFlowViewModel>()
+    val sharedState by sharedVm.stateFlow.collectAsStateWithLifecycle()
+    val resources = LocalResources.current
+
+    var contact by remember {
+        mutableStateOf<DeviceContact?>(null)
     }
-    annotatedEntry<SendStep.ContactList> {
-        SyncStep(it)
-        ContactListScreen()
+
+    var resolvedAuthority by remember {
+        mutableStateOf<PublicKey?>(null)
     }
+
+    LaunchedEffect(Unit) {
+        sharedVm.eventFlow
+            .filterIsInstance<SendFlowViewModel.Event.ResolveCompleted>()
+            .onEach {
+                contact = it.contact
+                resolvedAuthority = it.authority
+            }
+            .launchIn(this)
+    }
+
+    LaunchedEffect(sharedVm) {
+        sharedVm.eventFlow
+            .filterIsInstance<SendFlowViewModel.Event.SendComplete>()
+            .onEach { event ->
+                BottomBarManager.showInfo(
+                    title = resources.getString(R.string.prompt_title_fundsSentToContact),
+                    message = resources.getString(
+                        R.string.prompt_description_fundsSentToContact,
+                        event.amount.formatted(rule = Fiat.FormattingRule.Truncated),
+                        contact?.displayName ?: "your selected recipient"
+                    ),
+                    onDismiss = { flowNavigator.back() }
+                )
+            }.launchIn(this)
+    }
+
+    AmountEntryScreen(
+        title = { token ->
+            TokenSelectionPill(token) {
+                flowNavigator.navigate(
+                    AppRoute.Sheets.TokenSelection(TokenPurpose.Select)
+                )
+            }
+        },
+        // region lives outside the flow
+        // flow replaces LocalCodeNavigator for the flow as the "inner" navigator
+        navigator = LocalOuterCodeNavigator.current,
+        canChangeCurrency = true,
+        confirmationStyle = ConfirmationStyle.Slide,
+        confirmationState = sharedState.sendProgress,
+        onResult = { result ->
+            when (result) {
+                AmountEntryResult.Cancelled -> flowNavigator.back()
+                is AmountEntryResult.Confirmed -> {
+                    val destination = resolvedAuthority
+                    if (destination == null) {
+                        BottomBarManager.showAlert(
+                            title = resources.getString(R.string.error_title_contactNotOnFlipcash),
+                            message = resources.getString(R.string.error_description_contactNotOnFlipcash),
+                            onDismiss = { flowNavigator.back() }
+                        )
+                    } else {
+                        sharedVm.dispatchEvent(
+                            SendFlowViewModel.Event.OnSendRequested(
+                                amount = result.amount,
+                                token = result.token,
+                                destinationOwner = destination,
+                            )
+                        )
+                    }
+                }
+            }
+        },
+    )
 }
 
 @Composable