Coverage Summary for Class: GlobalApp (debug.com.greybox.projectmesh)

 package com.greybox.projectmesh
 
 import android.annotation.SuppressLint
 import android.app.Application
 import android.content.Context
 import android.content.SharedPreferences
 import android.os.Build
 import android.util.Log
 import androidx.datastore.preferences.core.edit
 import androidx.datastore.preferences.core.intPreferencesKey
 import androidx.room.Room
 import androidx.room.migration.Migration
 import androidx.sqlite.db.SupportSQLiteDatabase
 import com.greybox.projectmesh.db.MeshDatabase
 import com.greybox.projectmesh.extension.deviceInfo
 import com.greybox.projectmesh.messaging.repository.ConversationRepository
 import com.greybox.projectmesh.extension.networkDataStore
 import com.greybox.projectmesh.server.AppServer
 import com.ustadmobile.meshrabiya.ext.addressToDotNotation
 import com.ustadmobile.meshrabiya.ext.asInetAddress
 import com.ustadmobile.meshrabiya.vnet.AndroidVirtualNode
 import com.ustadmobile.meshrabiya.vnet.randomApipaAddr
 import kotlinx.coroutines.GlobalScope
 import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.runBlocking
 import kotlinx.serialization.json.Json
 import okhttp3.OkHttpClient
 import org.kodein.di.DI
 import org.kodein.di.DIAware
 import org.kodein.di.bind
 import org.kodein.di.instance
 import org.kodein.di.singleton
 import java.io.File
 import java.net.InetAddress
 import java.time.Duration
 
 import com.greybox.projectmesh.user.UserRepository
 import com.greybox.projectmesh.messaging.data.entities.Message
 import com.greybox.projectmesh.messaging.utils.MessageMigrationUtils
 import com.greybox.projectmesh.testing.TestDeviceService
 import com.greybox.projectmesh.user.UserEntity
 import com.ustadmobile.meshrabiya.log.MNetLogger
 import java.text.SimpleDateFormat
 import java.util.Date
 
 /*
 initialize global variables and DI(dependency injection) container
 why use DI?
 All dependencies are defined in one place, which makes it easier to manage and test.
  */
 class GlobalApp : Application(), DIAware {
     // it is an instance of Preferences.key<Int>, used to interact with "DataStore"
     private val addressKey = intPreferencesKey("virtual_node_address")
     /*data object DeviceInfoManager {
         // Global HashMap to store IP-DeviceName mapping
         private val deviceNameMap = ConcurrentHashMap<String, String?>()
 
         // Helper method to add/update a device name
         fun addDevice(ipAddress: String, name: String?) {
             deviceNameMap[ipAddress] = name
         }
 
         fun removeDevice(ipAddress: String) {
             deviceNameMap.remove(ipAddress)
         }
 
         fun getDeviceName(inetAddress: String): String? {
             return deviceNameMap[inetAddress]
         }
 
         fun getDeviceName(inetAddress: InetAddress): String? {
             return deviceNameMap[inetAddress.hostAddress]
         }
 
         fun getChatName(inetAddress: InetAddress): String {
             return inetAddress.hostAddress
         }
     }*/
     object GlobalUserRepo {
         // Lateinit or lazy property
         lateinit var userRepository: UserRepository
         lateinit var prefs: SharedPreferences
         lateinit var conversationRepository: ConversationRepository
     }
     override fun onCreate() {
         super.onCreate()
         val sharedPrefs: SharedPreferences by di.instance(tag = "settings")
         val uuid = sharedPrefs.getString("UUID", null)
         if (uuid == null) {
             // Generate a new UUID if one doesn't exist
             val newUuid = java.util.UUID.randomUUID().toString()
             sharedPrefs.edit().putString("UUID", newUuid).apply()
             Log.d("GlobalApp", "Generated new UUID: $newUuid")
         }
 
         //get the repositories from DI
         val repo: UserRepository by di.instance()
         GlobalUserRepo.userRepository = repo
         GlobalUserRepo.prefs = sharedPrefs
 
         val convRepo: ConversationRepository by di.instance()
         GlobalUserRepo.conversationRepository = convRepo
 
         //initialize deviceStatus Manager:
         val appServer: AppServer by di.instance()
         DeviceStatusManager.initialize(appServer)
 
         //version checking migrating messages
         val hasMigratedMessages = sharedPrefs.getBoolean("has_migrated_messages", false)
         if (!hasMigratedMessages) {
             GlobalScope.launch {
                 try {
                     Log.d("GlobalApp", "Starting message migration...")
                     val migrationUtils = MessageMigrationUtils(di)
                     migrationUtils.migrateMessagesToChatIds()
                     // Mark migration as complete
                     sharedPrefs.edit().putBoolean("has_migrated_messages", true).apply()
                     Log.d("GlobalApp", "Message migration completed and marked as done")
                 } catch (e: Exception) {
                     Log.e("GlobalApp", "Error during message migration", e)
                     // Don't mark as complete if there was an error
                 }
             }
         } else {
             Log.d("GlobalApp", "Message migration already performed, skipping")
         }
 
         //add test convos
         insertTestConversations()
     }
 
     fun insertTestConversations() {
         GlobalScope.launch {
             try {
                 //get database instance
                 val db: MeshDatabase by di.instance()
 
                 // Check if any messages exist first
                 val existingMessages = db.messageDao().getAll()
                 Log.d("GlobalApp", "Found ${existingMessages.size} existing messages")
 
                 if (existingMessages.isEmpty()) {
                     Log.d("GlobalApp", "No messages found, creating test messages...")
 
                     val localUuid = GlobalUserRepo.prefs.getString("UUID", null) ?: "local-user"
 
                     //insert test convo with online test device
                     val testDevice = TestDeviceService.getTestDeviceAddress()
                     val testUser = UserEntity(
                         uuid = "test-device-uuid",
                         name = TestDeviceService.TEST_DEVICE_NAME,
                         address = testDevice.hostAddress
                     )
 
                     //make sure the test user exists in the database
                     GlobalUserRepo.userRepository.insertOrUpdateUser(
                         testUser.uuid,
                         testUser.name,
                         testUser.address
                     )
 
                     //create convo with the test device
                     val onlineConversation =
                         GlobalUserRepo.conversationRepository.getOrCreateConversation(
                             localUuid = localUuid,
                             remoteUser = testUser
                         )
 
                     //create online test message
                     val onlineTestMessage = Message(
                         id = 0,
                         dateReceived = System.currentTimeMillis() - 3600000, // 1 hour ago
                         content = "Hello world! This is a test message.",
                         sender = TestDeviceService.TEST_DEVICE_NAME,
                         chat = "local-user-test-device-uuid"  // Use ONLY conversation ID format
                     )
 
                     //insert the message
                     db.messageDao().addMessage(onlineTestMessage)
 
                     Log.d(
                         "GlobalApp",
                         "Inserted online test message with chat name: local-user-test-device-uuid"
                     )
 
                     //update convo with a test message
                     GlobalUserRepo.conversationRepository.updateWithMessage(
                         conversationId = onlineConversation.id,
                         message = onlineTestMessage
                     )
 
                     //create offline test user and conversation
                     val offlineUser = UserEntity(
                         uuid = "offline-test-device-uuid",
                         name = TestDeviceService.TEST_DEVICE_NAME_OFFLINE,
                         address = null // null address means offline
                     )
 
                     //make sure the offline test user exists in the database
                     GlobalUserRepo.userRepository.insertOrUpdateUser(
                         offlineUser.uuid,
                         offlineUser.name,
                         offlineUser.address
                     )
 
                     //create convo with the offline test device
                     val offlineConversation =
                         GlobalUserRepo.conversationRepository.getOrCreateConversation(
                             localUuid = localUuid,
                             remoteUser = offlineUser
                         )
 
                     //create offline test message - use ONLY the conversation ID format
                     val offlineTestMessage = Message(
                         id = 0,
                         dateReceived = System.currentTimeMillis() - 3600000, // 1 hour ago
                         content = "I'm currently offline. Messages won't be delivered.",
                         sender = TestDeviceService.TEST_DEVICE_NAME_OFFLINE,
                         chat = "local-user-offline-test-device-uuid"  // Use ONLY conversation ID format
                     )
 
                     //update test device statuses
                     DeviceStatusManager.updateDeviceStatus(TestDeviceService.TEST_DEVICE_IP, true)
                     DeviceStatusManager.updateDeviceStatus(TestDeviceService.TEST_DEVICE_IP_OFFLINE, false)
 
                     // Insert the message
                     db.messageDao().addMessage(offlineTestMessage)
 
                     Log.d(
                         "GlobalApp",
                         "Inserted offline test message with chat name: local-user-offline-test-device-uuid"
                     )
 
                     //update convo with the message
                     GlobalUserRepo.conversationRepository.updateWithMessage(
                         conversationId = offlineConversation.id,
                         message = offlineTestMessage
                     )
                     Log.d("GlobalApp", "Test messages inserted successfully")
                 }else {
                     Log.d("GlobalApp", "Messages already exist, skipping insertion")
                 }
             }catch (e: Exception ) {
                 Log.e("GlobalApp", "Error inserting test conversation", e)
             }
         }
     }
     @SuppressLint("SimpleDateFormat")
     private val diModule = DI.Module("project_mesh") {
         // create a single instance of "InetAddress" for the entire lifetime of the application
         bind<InetAddress>(tag=TAG_VIRTUAL_ADDRESS) with singleton {
             // fetch an IP address from the data store or generate a random one
             // Run a coroutine in a blocking way, it will block the main thread
             runBlocking {
                 // fetch the address from the data store
                 val address = applicationContext.networkDataStore.data.map { preference ->
                     preference[addressKey] ?: 0
                 }.first()
 
                 // if the address is not 0, converted to an IP address
                 if(address != 0) {
                     address.asInetAddress()
                 }
                 else{
                     // if not, generate a random one,
                     // store it in the data store and converted to IP address
                     randomApipaAddr().also {
                             randomAddress -> applicationContext.networkDataStore.edit {
                         // "it" used to access the 'Preferences' object
                         it[addressKey] = randomAddress
                     }
                     }.asInetAddress()
                 }
             }
         }
         bind<MNetLogger>() with singleton {
             val logFileNameDateComp = SimpleDateFormat("yyyyMMdd_HHmmss").format(Date())
             val logDir: File = instance(tag = TAG_LOG_DIR)
             MNetLoggerAndroid(
                 deviceInfo = deviceInfo(),
                 minLogLevel = Log.DEBUG,
                 logFile = File(logDir, "${logFileNameDateComp}_${Build.MANUFACTURER}_${Build.MODEL}.log")
             )
         }
         bind <Json>() with singleton {
             Json {
                 encodeDefaults = true
             }
         }
 
         bind<File>(tag = TAG_LOG_DIR) with singleton {
             File(filesDir, "log")
         }
 
         /*
         Ensuring a directory named "www" was created
         */
         bind<File>(tag = TAG_WWW_DIR) with singleton {
             File(filesDir, "www").also{
                 if(!it.exists()) {
                     it.mkdirs()
                 }
             }
         }
 
         bind<File>(tag = TAG_RECEIVE_DIR) with singleton {
             File(filesDir, "receive")
         }
 
         bind<AndroidVirtualNode>() with singleton {
             // initialize the AndroidVirtualNode Constructor
             AndroidVirtualNode(
                 appContext = applicationContext,
                 logger = instance(),
                 json = instance(),
                 // inject the "InetAddress" instance
                 address = instance(tag = TAG_VIRTUAL_ADDRESS),
                 dataStore = applicationContext.networkDataStore
             )
         }
         // The OkHttpClient will be created only once and shared across the app when needed
         bind<OkHttpClient>() with singleton {
             val node: AndroidVirtualNode = instance()
             OkHttpClient.Builder()
                 .socketFactory(node.socketFactory)
                 // The maximum time to wait for a connection to be established
                 .connectTimeout(Duration.ofSeconds(30))
                 // The maximum time to wait for data to be read from the server
                 .readTimeout(Duration.ofSeconds(30))
                 // The maximum time to wait for data to be written to the server
                 .writeTimeout(Duration.ofSeconds(30))
                 .build()
         }
 
         bind<MeshDatabase>() with singleton {
             Room.databaseBuilder(applicationContext,
                 MeshDatabase::class.java,
                 "mesh-database"
             )
                 .addMigrations(object : Migration(3,4){
                     override fun migrate(database: SupportSQLiteDatabase){
 
                         //create convo table
                         database.execSQL(
                             """
                                 CREATE TABLE IF NOT EXISTS conversations ( 
                                     id TEXT PRIMARY KEY NOT NULL, 
                                     user_uuid TEXT NOT NULL, 
                                     user_name TEXT NOT NULL, 
                                     user_address TEXT, 
                                     last_message TEXT, 
                                     last_message_time INTEGER NOT NULL, 
                                     unread_count INTEGER NOT NULL DEFAULT 0, 
                                     is_online INTEGER NOT NULL DEFAULT 0
                             )
                             """
                         )
                     }
                 })
                 .fallbackToDestructiveMigration() // handle migrations destructively
 //                .allowMainThreadQueries() // this should generally be avoided for production apps
                 .build()
         }
 
         bind<SharedPreferences>(tag = "settings") with singleton {
             applicationContext.getSharedPreferences("settings", Context.MODE_PRIVATE)
         }
         bind<UserRepository>() with singleton {
             UserRepository(instance<MeshDatabase>().userDao())
         }
 
         bind<ConversationRepository>() with singleton {
             ConversationRepository(instance<MeshDatabase>().conversationDao(), di)
         }
 
         bind<AppServer>() with singleton {
             val node: AndroidVirtualNode = instance()
             AppServer(
                 appContext = applicationContext,
                 httpClient = instance(),
                 mLogger = instance(),
                 port = AppServer.DEFAULT_PORT,
                 name = node.addressAsInt.addressToDotNotation(),
                 localVirtualAddr = node.address,
                 receiveDir = instance(tag = TAG_RECEIVE_DIR),
                 json = instance(),
                 di = di,
                 db = instance(),
                 userRepository = instance()
             )
         }
 
         onReady {
             // clears all data in the existing tables
             //GlobalScope.launch {
               //  instance<MeshDatabase>().messageDao().clearTable()
             //}
             val logger: MNetLogger = instance()
             instance<AppServer>().start()
             logger(Log.DEBUG,"AppServer started successfully on Port: ${AppServer.DEFAULT_PORT}")
         }
     }
 
     // DI container and its bindings are only set up when they are first needed
     override val di: DI by DI.lazy {
         import(diModule)
     }
 
     companion object {
         const val TAG_VIRTUAL_ADDRESS = "virtual_address"
         const val TAG_RECEIVE_DIR = "receive_dir"
         const val TAG_WWW_DIR = "www_dir"
         const val TAG_LOG_DIR = "log_dir"
     }
 }