Merge pull request #15 from nacabaro/ui/home_screen

A few things, again...

app/src/main/java/com/github/nacabaro/vbhelper/daos/CharacterDao.kt

@@ -5,6 +5,7 @@ import androidx.room.Insert
 import androidx.room.Query
 import com.github.nacabaro.vbhelper.domain.Character
 import com.github.nacabaro.vbhelper.domain.Sprites
+import com.github.nacabaro.vbhelper.dtos.CharacterDtos
 
 @Dao
 interface CharacterDao {
@@ -25,4 +26,15 @@ interface CharacterDao {
 
     @Query("SELECT * FROM Sprites")
     suspend fun getAllSprites(): List<Sprites>
+
+    @Query("""
+        SELECT 
+            d.dimId as cardId,
+            c.monIndex as charId
+        FROM Character c
+        JOIN UserCharacter uc ON c.id = uc.charId
+        JOIN Dim d ON c.dimId = d.id
+        WHERE uc.id = :charId
+    """)
+    suspend fun getCharacterInfo(charId: Long): CharacterDtos.DiMInfo
 }

app/src/main/java/com/github/nacabaro/vbhelper/daos/UserCharacterDao.kt

@@ -21,7 +21,7 @@ interface UserCharacterDao {
     fun insertTransformationHistory(vararg transformationHistory: TransformationHistory)
 
     @Query("SELECT * FROM TransformationHistory WHERE monId = :monId")
-    fun getTransformationHistory(monId: Int): List<TransformationHistory>
+    fun getTransformationHistory(monId: Long): List<TransformationHistory>
 
     @Query("""
         SELECT
@@ -36,4 +36,7 @@ interface UserCharacterDao {
 
     @Query("SELECT * FROM UserCharacter WHERE id = :id")
     suspend fun getCharacter(id: Long): UserCharacter
+
+    @Query("SELECT * FROM BECharacterData WHERE id = :id")
+    suspend fun getBeData(id: Long): BECharacterData
 }

app/src/main/java/com/github/nacabaro/vbhelper/dtos/CharacterDtos.kt

@@ -1,6 +1,5 @@
 package com.github.nacabaro.vbhelper.dtos
 
-import androidx.room.PrimaryKey
 import com.github.cfogrady.vbnfc.data.NfcCharacter
 import com.github.nacabaro.vbhelper.domain.DeviceType
 
@@ -29,4 +28,9 @@ object CharacterDtos {
         val spriteWidth: Int,
         val spriteHeight: Int
     )
+
+    data class DiMInfo(
+        val cardId: Int,
+        val charId: Int
+    )
 }

app/src/main/java/com/github/nacabaro/vbhelper/navigation/AppNavigation.kt

@@ -35,45 +35,51 @@ fun AppNavigation(
     ) { contentPadding ->
         NavHost(
             navController = navController,
-            startDestination = BottomNavItem.Home.route,
+            startDestination = NavigationItems.Home.route,
             modifier = Modifier
                 .padding(contentPadding)
         ) {
-            composable(BottomNavItem.Battles.route) {
+            composable(NavigationItems.Battles.route) {
                 BattlesScreen()
             }
-            composable(BottomNavItem.Home.route) {
+            composable(NavigationItems.Home.route) {
                 HomeScreen(
                     navController = navController
                 )
             }
-            composable(BottomNavItem.Storage.route) {
+            composable(NavigationItems.Storage.route) {
-                StorageScreen()
+                StorageScreen(
+                    navController = navController
+                )
             }
-            composable(BottomNavItem.Scan.route) {
+            composable(NavigationItems.Scan.route) {
+                val characterIdString = it.arguments?.getString("characterId")
+                val characterId = characterIdString?.toLongOrNull()
+
                 ScanScreen(
                     navController = navController,
                     scanScreenController = applicationNavigationHandlers.scanScreenController,
+                    characterId = characterId
                 )
             }
-            composable(BottomNavItem.Dex.route) {
+            composable(NavigationItems.Dex.route) {
                 DexScreen(
                     navController = navController
                 )
             }
-            composable(BottomNavItem.Settings.route) {
+            composable(NavigationItems.Settings.route) {
                 SettingsScreen(
                     navController = navController,
                     settingsScreenController = applicationNavigationHandlers.settingsScreenController,
                     onClickImportCard = onClickImportCard
                 )
             }
-            composable(BottomNavItem.Viewer.route) {
+            composable(NavigationItems.Viewer.route) {
                 SpriteViewer(
                     navController = navController
                 )
             }
-            composable(BottomNavItem.CardView.route) {
+            composable(NavigationItems.CardView.route) {
                 val dimId = it.arguments?.getString("dimId")
                 Log.d("dimId", dimId.toString())
                 if (dimId != null) {

app/src/main/java/com/github/nacabaro/vbhelper/navigation/BottomNavItem.kt

@@ -1,18 +0,0 @@
-package com.github.nacabaro.vbhelper.navigation
-
-import com.github.nacabaro.vbhelper.R
-
-sealed class BottomNavItem (
-    var route: String,
-    var icon: Int,
-    var label: String
-) {
-    object Scan : BottomNavItem("Scan", R.drawable.baseline_nfc_24, "Scan")
-    object Battles : BottomNavItem("Battle", R.drawable.baseline_swords_24, "Battle")
-    object Home : BottomNavItem("Home", R.drawable.baseline_cottage_24, "Home")
-    object Dex : BottomNavItem("Dex", R.drawable.baseline_menu_book_24, "Dex")
-    object Storage : BottomNavItem("Storage", R.drawable.baseline_catching_pokemon_24, "Storage")
-    object Settings : BottomNavItem("Settings", R.drawable.baseline_settings_24, "Settings")
-    object Viewer : BottomNavItem("Viewer", R.drawable.baseline_image_24, "Viewer")
-    object CardView : BottomNavItem("Card/{dimId}", R.drawable.baseline_image_24, "Card")
-}

app/src/main/java/com/github/nacabaro/vbhelper/navigation/BottomNavigationBar.kt

@@ -13,11 +13,11 @@ import androidx.navigation.compose.currentBackStackEntryAsState
 @Composable
 fun BottomNavigationBar(navController: NavController) {
     val items = listOf(
-        BottomNavItem.Scan,
+        NavigationItems.Scan,
-        BottomNavItem.Battles,
+        NavigationItems.Battles,
-        BottomNavItem.Home,
+        NavigationItems.Home,
-        BottomNavItem.Dex,
+        NavigationItems.Dex,
-        BottomNavItem.Storage,
+        NavigationItems.Storage,
     )
     NavigationBar {
         val currentBackStackEntry = navController.currentBackStackEntryAsState()

app/src/main/java/com/github/nacabaro/vbhelper/navigation/NavigationItems.kt

@@ -0,0 +1,18 @@
+package com.github.nacabaro.vbhelper.navigation
+
+import com.github.nacabaro.vbhelper.R
+
+sealed class NavigationItems (
+    var route: String,
+    var icon: Int,
+    var label: String
+) {
+    object Scan : NavigationItems("Scan/{characterId}", R.drawable.baseline_nfc_24, "Scan")
+    object Battles : NavigationItems("Battle", R.drawable.baseline_swords_24, "Battle")
+    object Home : NavigationItems("Home", R.drawable.baseline_cottage_24, "Home")
+    object Dex : NavigationItems("Dex", R.drawable.baseline_menu_book_24, "Dex")
+    object Storage : NavigationItems("Storage", R.drawable.baseline_catching_pokemon_24, "Storage")
+    object Settings : NavigationItems("Settings", R.drawable.baseline_settings_24, "Settings")
+    object Viewer : NavigationItems("Viewer", R.drawable.baseline_image_24, "Viewer")
+    object CardView : NavigationItems("Card/{dimId}", R.drawable.baseline_image_24, "Card")
+}

app/src/main/java/com/github/nacabaro/vbhelper/screens/DexScreen.kt

@@ -19,7 +19,7 @@ import com.github.nacabaro.vbhelper.components.DexDiMEntry
 import com.github.nacabaro.vbhelper.components.TopBanner
 import com.github.nacabaro.vbhelper.di.VBHelper
 import com.github.nacabaro.vbhelper.domain.Dim
-import com.github.nacabaro.vbhelper.navigation.BottomNavItem
+import com.github.nacabaro.vbhelper.navigation.NavigationItems
 import com.github.nacabaro.vbhelper.source.DexRepository
 import kotlinx.coroutines.launch
 
@@ -45,7 +45,7 @@ fun DexScreen(
             TopBanner(
                 text = "Discovered Digimon",
                 onGearClick = {
-                    navController.navigate(BottomNavItem.Viewer.route)
+                    navController.navigate(NavigationItems.Viewer.route)
                 }
             )
         }
@@ -65,7 +65,7 @@ fun DexScreen(
                     onClick = {
                         navController
                             .navigate(
-                                BottomNavItem
+                                NavigationItems
                                     .CardView.route
                                     .replace("{dimId}", "${it.id}")
                             )

app/src/main/java/com/github/nacabaro/vbhelper/screens/HomeScreen.kt

@@ -8,7 +8,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.navigation.NavController
 import com.github.nacabaro.vbhelper.components.TopBanner
-import com.github.nacabaro.vbhelper.navigation.BottomNavItem
+import com.github.nacabaro.vbhelper.navigation.NavigationItems
 
 @Composable
 fun HomeScreen(
@@ -19,7 +19,7 @@ fun HomeScreen(
             TopBanner(
                 text = "VB Helper",
                 onGearClick = {
-                    navController.navigate(BottomNavItem.Settings.route)
+                    navController.navigate(NavigationItems.Settings.route)
                 }
             )
         }

app/src/main/java/com/github/nacabaro/vbhelper/screens/StorageScreen.kt

@@ -1,11 +1,11 @@
 package com.github.nacabaro.vbhelper.screens
 
 import android.util.Log
-import androidx.compose.foundation.Image
 import androidx.compose.foundation.gestures.Orientation
 import androidx.compose.foundation.gestures.scrollable
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
@@ -21,11 +21,9 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateListOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
-import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -34,18 +32,22 @@ import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.window.Dialog
 import androidx.compose.ui.window.DialogProperties
+import androidx.navigation.NavController
 import com.github.nacabaro.vbhelper.components.CharacterEntry
 import com.github.nacabaro.vbhelper.components.TopBanner
 import com.github.nacabaro.vbhelper.di.VBHelper
 import com.github.nacabaro.vbhelper.domain.device_data.UserCharacter
 import com.github.nacabaro.vbhelper.dtos.CharacterDtos
+import com.github.nacabaro.vbhelper.navigation.NavigationItems
 import com.github.nacabaro.vbhelper.source.StorageRepository
 import com.github.nacabaro.vbhelper.utils.BitmapData
 import kotlinx.coroutines.launch
 
 
 @Composable
-fun StorageScreen() {
+fun StorageScreen(
+    navController: NavController
+) {
     val coroutineScope = rememberCoroutineScope()
     val application = LocalContext.current.applicationContext as VBHelper
     val storageRepository = StorageRepository(application.container.db)
@@ -96,14 +98,24 @@ fun StorageScreen() {
                     ),
                     modifier = Modifier
                         .padding(8.dp)
-                        .size(96.dp)
+                        .size(96.dp),
-
+                    onClick = {
+                        selectedCharacter = index.id
+                    }
                 )
 
                 if (selectedCharacter != null) {
                     StorageDialog(
                         characterId = selectedCharacter!!,
-                        onDismissRequest = { selectedCharacter = null }
+                        onDismissRequest = { selectedCharacter = null },
+                        onSendToBracelet = {
+                            navController.navigate(
+                                NavigationItems.Scan.route.replace(
+                                    "{characterId}",
+                                    selectedCharacter.toString()
+                                )
+                            )
+                        }
                     )
                 }
             }
@@ -114,7 +126,8 @@ fun StorageScreen() {
 @Composable
 fun StorageDialog(
     characterId: Long,
-    onDismissRequest: () -> Unit
+    onDismissRequest: () -> Unit,
+    onSendToBracelet: () -> Unit
 ) {
     val coroutineScope = rememberCoroutineScope()
     val application = LocalContext.current.applicationContext as VBHelper
@@ -149,10 +162,17 @@ fun StorageDialog(
                             .padding(8.dp)
                     )
                 }
-                Button(
+                Row {
-                    onClick = onDismissRequest
+                    Button(
-                ) {
+                        onClick = onSendToBracelet
-                    Text(text = "Close")
+                    ) {
+                        Text(text = "Send to bracelet")
+                    }
+                    Button(
+                        onClick = onDismissRequest
+                    ) {
+                        Text(text = "Close")
+                    }
                 }
             }
         }

app/src/main/java/com/github/nacabaro/vbhelper/screens/scanScreen/ReadingCharacter.kt

@@ -15,11 +15,12 @@ import com.github.nacabaro.vbhelper.components.TopBanner
 
 @Composable
 fun ReadingCharacterScreen(
+    topBannerText: String,
     onClickCancel: () -> Unit,
 ) {
     Scaffold (
         topBar = {
-            TopBanner("Reading Character")
+            TopBanner(topBannerText)
         }
     ) { innerPadding ->
         Column (

app/src/main/java/com/github/nacabaro/vbhelper/screens/scanScreen/ScanScreen.kt

@@ -12,6 +12,7 @@ import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
@@ -25,25 +26,48 @@ import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.navigation.NavController
 import androidx.navigation.compose.rememberNavController
+import com.github.cfogrady.vbnfc.data.NfcCharacter
 import com.github.nacabaro.vbhelper.ActivityLifecycleListener
 import com.github.nacabaro.vbhelper.components.TopBanner
-import com.github.nacabaro.vbhelper.navigation.BottomNavItem
+import com.github.nacabaro.vbhelper.di.VBHelper
+import com.github.nacabaro.vbhelper.navigation.NavigationItems
+import com.github.nacabaro.vbhelper.source.StorageRepository
 import com.github.nacabaro.vbhelper.source.isMissingSecrets
 import com.github.nacabaro.vbhelper.source.proto.Secrets
+import com.github.nacabaro.vbhelper.utils.characterToNfc
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.withContext
 
 const val SCAN_SCREEN_ACTIVITY_LIFECYCLE_LISTENER = "SCAN_SCREEN_ACTIVITY_LIFECYCLE_LISTENER"
 
 @Composable
 fun ScanScreen(
     navController: NavController,
+    characterId: Long?,
     scanScreenController: ScanScreenController,
 ) {
     val secrets by scanScreenController.secretsFlow.collectAsState(null)
     var readingScreen by remember { mutableStateOf(false) }
+    var writingScreen by remember { mutableStateOf(false) }
     var isDoneReadingCharacter by remember { mutableStateOf(false) }
+    var isDoneSendingCard by remember { mutableStateOf(false) }
+    var isDoneWritingCharacter by remember { mutableStateOf(false) }
 
-    DisposableEffect(readingScreen) {
+    val application = LocalContext.current.applicationContext as VBHelper
+    val storageRepository = StorageRepository(application.container.db)
+    var nfcCharacter by remember { mutableStateOf<NfcCharacter?>(null) }
+
+    val context = LocalContext.current
+    LaunchedEffect(storageRepository) {
+        withContext(Dispatchers.IO) {
+            if(characterId != null) {
+                nfcCharacter = characterToNfc(context, characterId)
+            }
+        }
+    }
+
+    DisposableEffect(readingScreen || writingScreen) {
         if(readingScreen) {
             scanScreenController.registerActivityLifecycleListener(SCAN_SCREEN_ACTIVITY_LIFECYCLE_LISTENER, object: ActivityLifecycleListener {
                 override fun onPause() {
@@ -60,9 +84,39 @@ fun ScanScreen(
             scanScreenController.onClickRead(secrets!!) {
                 isDoneReadingCharacter = true
             }
+        } else if (writingScreen) {
+            scanScreenController.registerActivityLifecycleListener(
+                SCAN_SCREEN_ACTIVITY_LIFECYCLE_LISTENER,
+                object : ActivityLifecycleListener {
+                    override fun onPause() {
+                        scanScreenController.cancelRead()
+                    }
+
+                    override fun onResume() {
+                        if (!isDoneSendingCard) {
+                            scanScreenController.onClickCheckCard(secrets!!, nfcCharacter!!) {
+                                isDoneSendingCard = true
+                            }
+                        } else if (!isDoneWritingCharacter) {
+                            scanScreenController.onClickWrite(secrets!!, nfcCharacter!!) {
+                                isDoneWritingCharacter = true
+                            }
+                        }
+                    }
+                }
+            )
+            if (!isDoneSendingCard) {
+                scanScreenController.onClickCheckCard(secrets!!, nfcCharacter!!) {
+                    isDoneSendingCard = true
+                }
+            } else if (!isDoneWritingCharacter) {
+                scanScreenController.onClickWrite(secrets!!, nfcCharacter!!) {
+                    isDoneWritingCharacter = true
+                }
+            }
         }
         onDispose {
-            if(readingScreen) {
+            if(readingScreen || writingScreen) {
                 scanScreenController.unregisterActivityLifecycleListener(SCAN_SCREEN_ACTIVITY_LIFECYCLE_LISTENER)
                 scanScreenController.cancelRead()
             }
@@ -71,33 +125,68 @@ fun ScanScreen(
 
     if (isDoneReadingCharacter) {
         readingScreen = false
-        navController.navigate(BottomNavItem.Home.route)
+        navController.navigate(NavigationItems.Home.route)
+    } else if (isDoneSendingCard && isDoneWritingCharacter) {
+        writingScreen = false
+        navController.navigate(NavigationItems.Home.route)
     }
 
     if (readingScreen) {
-        ReadingCharacterScreen {
+        ReadingCharacterScreen("Reading character") {
             readingScreen = false
             scanScreenController.cancelRead()
         }
+    } else if (writingScreen) {
+        if (!isDoneSendingCard) {
+            ReadingCharacterScreen("Sending card") {
+                isDoneSendingCard = true
+                scanScreenController.cancelRead()
+            }
+        } else if (!isDoneWritingCharacter) {
+            ReadingCharacterScreen("Writing character") {
+                isDoneWritingCharacter = true
+                writingScreen = false
+                scanScreenController.cancelRead()
+            }
+        }
     } else {
-        val context = LocalContext.current
         ChooseConnectOption(
-            onClickRead = {
+            onClickRead = when {
-                if(secrets == null) {
+                characterId != null -> null
-                    Toast.makeText(context, "Secrets is not yet initialized. Try again.", Toast.LENGTH_SHORT).show()
+                else -> {
-                } else if(secrets?.isMissingSecrets() == true) {
+                    {
-                    Toast.makeText(context, "Secrets not yet imported. Go to Settings and Import APK", Toast.LENGTH_SHORT).show()
+                        if(secrets == null) {
-                } else {
+                            Toast.makeText(context, "Secrets is not yet initialized. Try again.", Toast.LENGTH_SHORT).show()
-                    readingScreen = true // kicks off nfc adapter in DisposableEffect
+                        } else if(secrets?.isMissingSecrets() == true) {
+                            Toast.makeText(context, "Secrets not yet imported. Go to Settings and Import APK", Toast.LENGTH_SHORT).show()
+                        } else {
+                            readingScreen = true // kicks off nfc adapter in DisposableEffect
+                        }
+                    }
                 }
             },
+            onClickWrite = when {
+                nfcCharacter == null -> null
+                else -> {
+                    {
+                        if(secrets == null) {
+                            Toast.makeText(context, "Secrets is not yet initialized. Try again.", Toast.LENGTH_SHORT).show()
+                        } else if(secrets?.isMissingSecrets() == true) {
+                            Toast.makeText(context, "Secrets not yet imported. Go to Settings and Import APK", Toast.LENGTH_SHORT).show()
+                        } else {
+                            writingScreen = true // kicks off nfc adapter in DisposableEffect
+                        }
+                    }
+                }
+            }
         )
     }
 }
 
 @Composable
-private fun ChooseConnectOption(
+fun ChooseConnectOption(
-    onClickRead: () -> Unit,
+    onClickRead: (() -> Unit)? = null,
+    onClickWrite: (() -> Unit)? = null,
 ) {
     Scaffold(
         topBar = { TopBanner(text = "Scan a Vital Bracelet") }
@@ -111,12 +200,14 @@ private fun ChooseConnectOption(
         ) {
             ScanButton(
                 text = "Vital Bracelet to App",
-                onClick = onClickRead,
+                disabled = onClickRead == null,
+                onClick = onClickRead?: {  },
             )
             Spacer(modifier = Modifier.height(16.dp))
             ScanButton(
                 text = "App to Vital Bracelet",
-                onClick = {}
+                disabled = onClickWrite == null,
+                onClick = onClickWrite?: {  },
             )
         }
     }
@@ -127,11 +218,13 @@ private fun ChooseConnectOption(
 fun ScanButton(
     text: String,
     onClick: () -> Unit,
-    modifier: Modifier = Modifier
+    modifier: Modifier = Modifier,
+    disabled: Boolean = false,
 ) {
     Button(
         onClick = onClick,
-        modifier = modifier
+        modifier = modifier,
+        enabled = !disabled,
     ) {
         Text(
             text = text,
@@ -157,7 +250,10 @@ fun ScanScreenPreview() {
 
             }
             override fun onClickRead(secrets: Secrets, onComplete: ()->Unit) {}
+            override fun onClickCheckCard(secrets: Secrets, nfcCharacter: NfcCharacter, onComplete: () -> Unit) {}
+            override fun onClickWrite(secrets: Secrets, nfcCharacter: NfcCharacter, onComplete: () -> Unit) {}
             override fun cancelRead() {}
-        }
+        },
+        characterId = null
     )
 }

app/src/main/java/com/github/nacabaro/vbhelper/screens/scanScreen/ScanScreenController.kt

@@ -1,5 +1,6 @@
 package com.github.nacabaro.vbhelper.screens.scanScreen
 
+import com.github.cfogrady.vbnfc.data.NfcCharacter
 import com.github.nacabaro.vbhelper.ActivityLifecycleListener
 import com.github.nacabaro.vbhelper.source.proto.Secrets
 import kotlinx.coroutines.flow.Flow
@@ -7,6 +8,9 @@ import kotlinx.coroutines.flow.Flow
 interface ScanScreenController {
     val secretsFlow: Flow<Secrets>
     fun onClickRead(secrets: Secrets, onComplete: ()->Unit)
+    fun onClickCheckCard(secrets: Secrets, nfcCharacter: NfcCharacter, onComplete: () -> Unit)
+    fun onClickWrite(secrets: Secrets, nfcCharacter: NfcCharacter, onComplete: () -> Unit)
+
     fun cancelRead()
 
     fun registerActivityLifecycleListener(key: String, activityLifecycleListener: ActivityLifecycleListener)

app/src/main/java/com/github/nacabaro/vbhelper/screens/scanScreen/ScanScreenControllerImpl.kt

@@ -109,6 +109,30 @@ class ScanScreenControllerImpl(
         }
     }
 
+    override fun onClickWrite(
+        secrets: Secrets,
+        nfcCharacter: NfcCharacter,
+        onComplete: () -> Unit
+    ) {
+        handleTag(secrets) { tagCommunicator ->
+            tagCommunicator.sendCharacter(nfcCharacter)
+            onComplete.invoke()
+            "Sent character successfully!"
+        }
+    }
+
+    override fun onClickCheckCard(
+        secrets: Secrets,
+        nfcCharacter: NfcCharacter,
+        onComplete: () -> Unit
+    ) {
+        handleTag(secrets) { tagCommunicator ->
+            tagCommunicator.prepareDIMForCharacter(nfcCharacter.dimId)
+            onComplete.invoke()
+            "Sent DIM successfully!"
+        }
+    }
+
     // EXTRACTED DIRECTLY FROM EXAMPLE APP
     private fun showWirelessSettings() {
         Toast.makeText(context, "NFC must be enabled", Toast.LENGTH_SHORT).show()

app/src/main/java/com/github/nacabaro/vbhelper/source/StorageRepository.kt

@@ -1,6 +1,8 @@
 package com.github.nacabaro.vbhelper.source
 
 import com.github.nacabaro.vbhelper.database.AppDatabase
+import com.github.nacabaro.vbhelper.domain.device_data.BECharacterData
+import com.github.nacabaro.vbhelper.domain.device_data.TransformationHistory
 import com.github.nacabaro.vbhelper.domain.device_data.UserCharacter
 import com.github.nacabaro.vbhelper.dtos.CharacterDtos
 
@@ -14,4 +16,16 @@ class StorageRepository (
     suspend fun getSingleCharacter(id: Long): UserCharacter {
         return db.userCharacterDao().getCharacter(id)
     }
+
+    suspend fun getCharacterBeData(id: Long): BECharacterData {
+        return db.userCharacterDao().getBeData(id)
+    }
+
+    fun getTransformationHistory(characterId: Long): List<TransformationHistory> {
+        return db.userCharacterDao().getTransformationHistory(characterId)
+    }
+
+    suspend fun getCharacterData(id: Long): CharacterDtos.DiMInfo {
+        return db.characterDao().getCharacterInfo(id)
+    }
 }

app/src/main/java/com/github/nacabaro/vbhelper/utils/CharacterToNFCCharacter.kt

@@ -0,0 +1,86 @@
+package com.github.nacabaro.vbhelper.utils
+
+import android.content.Context
+import com.github.cfogrady.vbnfc.be.BENfcCharacter
+import com.github.cfogrady.vbnfc.be.FirmwareVersion
+import com.github.cfogrady.vbnfc.data.NfcCharacter
+import com.github.nacabaro.vbhelper.di.VBHelper
+import com.github.nacabaro.vbhelper.domain.DeviceType
+import com.github.nacabaro.vbhelper.source.StorageRepository
+
+suspend fun characterToNfc(context: Context, characterId: Long): NfcCharacter? {
+    val app = context.applicationContext as VBHelper
+    val database = app.container.db
+    val storageRepository = StorageRepository(database)
+    val userCharacter = storageRepository.getSingleCharacter(characterId)
+    val characterInfo = storageRepository.getCharacterData(characterId)
+
+    if (userCharacter.characterType == DeviceType.BEDevice) {
+        val beData = storageRepository.getCharacterBeData(characterId)
+        val transformationHistory = storageRepository
+            .getTransformationHistory(characterId)
+            .map {
+                NfcCharacter.Transformation(
+                    toCharIndex = it.toCharIndex.toUByte(),
+                    year = it.year.toUShort(),
+                    month = it.month.toUByte(),
+                    day = it.day.toUByte()
+                )
+            }.toTypedArray()
+
+        // Maybe this is the issue?
+        val dummyVitalHistory = arrayOf<NfcCharacter.DailyVitals>()
+
+        val nfcData = BENfcCharacter(
+            dimId = characterInfo.cardId.toUShort(),
+            charIndex = characterInfo.charId.toUShort(),
+            stage = userCharacter.stage.toByte(),
+            attribute = userCharacter.attribute,
+            ageInDays = userCharacter.ageInDays.toByte(),
+            nextAdventureMissionStage = userCharacter.nextAdventureMissionStage.toByte(),
+            mood = userCharacter.mood.toByte(),
+            vitalPoints = userCharacter.vitalPoints.toUShort(),
+            itemEffectMentalStateValue = beData.itemEffectMentalStateValue.toByte(),
+            itemEffectMentalStateMinutesRemaining = beData.itemEffectMentalStateMinutesRemaining.toByte(),
+            itemEffectActivityLevelValue = beData.itemEffectActivityLevelValue.toByte(),
+            itemEffectActivityLevelMinutesRemaining = beData.itemEffectActivityLevelMinutesRemaining.toByte(),
+            itemEffectVitalPointsChangeValue = beData.itemEffectVitalPointsChangeValue.toByte(),
+            itemEffectVitalPointsChangeMinutesRemaining = beData.itemEffectVitalPointsChangeMinutesRemaining.toByte(),
+            transformationCountdownInMinutes = userCharacter.transformationCountdown.toUShort(),
+            injuryStatus = userCharacter.injuryStatus,
+            trainingPp = userCharacter.trophies.toUShort(),
+            currentPhaseBattlesWon = userCharacter.currentPhaseBattlesWon.toUShort(),
+            currentPhaseBattlesLost = userCharacter.currentPhaseBattlesLost.toUShort(),
+            totalBattlesWon = userCharacter.totalBattlesWon.toUShort(),
+            totalBattlesLost = userCharacter.totalBattlesLost.toUShort(),
+            activityLevel = userCharacter.activityLevel.toByte(),
+            heartRateCurrent = userCharacter.heartRateCurrent.toUByte(),
+            transformationHistory = transformationHistory,
+            vitalHistory = arrayOf(),
+            appReserved1 = byteArrayOf(),
+            appReserved2 = Array(2, { 0u }),
+            trainingHp = beData.trainingHp.toUShort(),
+            trainingAp = beData.trainingAp.toUShort(),
+            trainingBp = beData.trainingBp.toUShort(),
+            remainingTrainingTimeInMinutes = beData.remainingTrainingTimeInMinutes.toUShort(),
+            abilityRarity = beData.abilityRarity,
+            abilityType = beData.abilityType.toUShort(),
+            abilityBranch = beData.abilityBranch.toUShort(),
+            abilityReset = beData.abilityReset.toByte(),
+            rank = beData.rank.toByte(),
+            itemType = beData.itemType.toByte(),
+            itemMultiplier = beData.itemMultiplier.toByte(),
+            itemRemainingTime = beData.itemRemainingTime.toByte(),
+            otp0 = byteArrayOf(8),
+            otp1 = byteArrayOf(8),
+            characterCreationFirmwareVersion = FirmwareVersion(
+                minorVersion = beData.minorVersion.toByte(),
+                majorVersion = beData.majorVersion.toByte()
+            )
+        )
+
+        return nfcData
+    }
+
+    return null
+}