Initial commit

modules/atf/build.gradle.kts

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+plugins {
+    id("com.android.library")
+    id("org.jetbrains.kotlin.android")
+    id("kotlin-kapt")
+    id("dagger.hilt.android.plugin")
+}
+
+android {
+    namespace = "com.smoa.modules.atf"
+    compileSdk = AppConfig.compileSdk
+
+    defaultConfig {
+        minSdk = AppConfig.minSdk
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+
+    kotlinOptions {
+        jvmTarget = "17"
+    }
+
+    buildFeatures {
+        compose = true
+    }
+
+    composeOptions {
+        kotlinCompilerExtensionVersion = "1.5.4"
+    }
+}
+
+dependencies {
+    implementation(project(":core:common"))
+    implementation(project(":core:auth"))
+    implementation(project(":core:security"))
+
+    implementation(platform(Dependencies.composeBom))
+    implementation(Dependencies.composeUi)
+    implementation(Dependencies.composeMaterial3)
+    implementation(Dependencies.androidxCoreKtx)
+
+    implementation(Dependencies.hiltAndroid)
+    kapt(Dependencies.hiltAndroidCompiler)
+
+    implementation(Dependencies.roomRuntime)
+    implementation(Dependencies.roomKtx)
+    kapt(Dependencies.roomCompiler)
+
+    implementation(Dependencies.retrofit)
+    implementation(Dependencies.okHttp)
+    implementation(Dependencies.retrofitGson)
+    
+    implementation(Dependencies.coroutinesCore)
+    implementation(Dependencies.coroutinesAndroid)
+}
+

modules/atf/src/main/java/com/smoa/modules/atf/ATFModule.kt

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+package com.smoa.modules.atf
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun ATFModule(modifier: Modifier = Modifier) {
+    Column(
+        modifier = modifier
+            .fillMaxSize()
+            .padding(16.dp)
+    ) {
+        Text(
+            text = "ATF Forms",
+            style = MaterialTheme.typography.headlineMedium
+        )
+    }
+}
+

modules/atf/src/main/java/com/smoa/modules/atf/data/ATFFormDatabase.kt

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+package com.smoa.modules.atf.data
+
+import androidx.room.Database
+import androidx.room.RoomDatabase
+
+// TODO: Add entities when implementing storage
+// Temporarily commented out to allow build to proceed
+// @Database(
+//     entities = [],
+//     version = 1,
+//     exportSchema = false
+// )
+abstract class ATFFormDatabase : RoomDatabase() {
+    // DAOs will be added here
+}
+

modules/atf/src/main/java/com/smoa/modules/atf/domain/ATFForm1.kt

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+package com.smoa.modules.atf.domain
+
+import java.util.Date
+
+/**
+ * ATF Form 1 - Application to Make and Register a Firearm
+ */
+data class ATFForm1(
+    val formId: String,
+    val applicationDate: Date,
+    val applicantInfo: PersonInfo,
+    val firearmType: String,
+    val firearmDescription: String,
+    val serialNumber: String?,
+    val caliber: String,
+    val barrelLength: String,
+    val overallLength: String,
+    val purpose: String,
+    val signatures: List<DigitalSignature>,
+    val status: FormStatus
+)
+

modules/atf/src/main/java/com/smoa/modules/atf/domain/ATFForm4.kt

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+package com.smoa.modules.atf.domain
+
+import java.util.Date
+
+/**
+ * ATF Form 4 - Application for Tax Paid Transfer and Registration
+ */
+data class ATFForm4(
+    val formId: String,
+    val applicationDate: Date,
+    val transferorInfo: PersonInfo,
+    val transfereeInfo: PersonInfo,
+    val firearmDescription: String,
+    val serialNumber: String,
+    val manufacturer: String,
+    val model: String,
+    val caliber: String,
+    val transferType: TransferType,
+    val signatures: List<DigitalSignature>,
+    val status: FormStatus
+)
+
+enum class TransferType {
+    INDIVIDUAL,
+    TRUST,
+    CORPORATION,
+    PARTNERSHIP
+}
+

modules/atf/src/main/java/com/smoa/modules/atf/domain/ATFForm4473.kt

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+package com.smoa.modules.atf.domain
+
+import java.util.Date
+
+/**
+ * ATF Form 4473 - Firearms Transaction Record
+ */
+data class ATFForm4473(
+    val formId: String,
+    val transactionDate: Date,
+    val firearmManufacturer: String,
+    val firearmModel: String,
+    val firearmSerialNumber: String,
+    val firearmCaliber: String,
+    val firearmType: FirearmType,
+    val transfereeInfo: PersonInfo,
+    val transferorInfo: PersonInfo,
+    val nicsCheckNumber: String?,
+    val nicsCheckDate: Date?,
+    val signatures: List<DigitalSignature>,
+    val status: FormStatus
+)
+
+enum class FirearmType {
+    HANDGUN,
+    RIFLE,
+    SHOTGUN,
+    OTHER
+}
+
+enum class FormStatus {
+    DRAFT,
+    SUBMITTED,
+    APPROVED,
+    REJECTED,
+    PENDING
+}
+
+data class PersonInfo(
+    val name: String,
+    val address: String,
+    val city: String,
+    val state: String,
+    val zipCode: String,
+    val dateOfBirth: Date,
+    val socialSecurityNumber: String? // Last 4 digits or full
+)
+
+data class DigitalSignature(
+    val signatureId: String,
+    val signerId: String,
+    val signatureDate: Date,
+    val signatureData: ByteArray
+)
+

modules/atf/src/main/java/com/smoa/modules/atf/domain/ATFService.kt

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+package com.smoa.modules.atf.domain
+
+import com.smoa.core.security.AuditLogger
+import com.smoa.core.security.AuditEventType
+import java.util.Date
+import java.util.UUID
+import javax.inject.Inject
+import javax.inject.Singleton
+
+/**
+ * ATF Form service for form validation and submission.
+ */
+@Singleton
+class ATFService @Inject constructor(
+    private val auditLogger: AuditLogger
+) {
+    
+    /**
+     * Validate Form 4473 data.
+     */
+    fun validateForm4473(form: ATFForm4473): ValidationResult {
+        val errors = mutableListOf<String>()
+        
+        if (form.firearmSerialNumber.isBlank()) {
+            errors.add("Firearm serial number is required")
+        }
+        
+        if (form.transfereeInfo.name.isBlank()) {
+            errors.add("Transferee name is required")
+        }
+        
+        if (form.transfereeInfo.dateOfBirth.after(Date())) {
+            errors.add("Date of birth cannot be in the future")
+        }
+        
+        return if (errors.isEmpty()) {
+            ValidationResult.Success
+        } else {
+            ValidationResult.Failure(errors)
+        }
+    }
+
+    /**
+     * Submit Form 4473 to ATF eTrace system.
+     * Note: Requires federal API approval and OAuth 2.0 authentication.
+     */
+    suspend fun submitForm4473(form: ATFForm4473): Result<SubmissionResult> {
+        return try {
+            // Validate form
+            val validation = validateForm4473(form)
+            if (validation is ValidationResult.Failure) {
+                return Result.failure(
+                    IllegalArgumentException("Form validation failed: ${validation.errors.joinToString()}")
+                )
+            }
+            
+            // TODO: Integrate with ATF eTrace API (requires federal approval)
+            // For now, simulate submission
+            val submissionResult = SubmissionResult(
+                submissionId = UUID.randomUUID().toString(),
+                formId = form.formId,
+                status = SubmissionStatus.SUBMITTED,
+                submittedAt = Date()
+            )
+            
+            auditLogger.logEvent(
+                AuditEventType.POLICY_UPDATE,
+                userId = form.transfereeInfo.name,
+                module = "atf",
+                details = "ATF Form 4473 submitted: ${form.formId}"
+            )
+            
+            Result.success(submissionResult)
+        } catch (e: Exception) {
+            Result.failure(e)
+        }
+    }
+}
+
+sealed class ValidationResult {
+    object Success : ValidationResult()
+    data class Failure(val errors: List<String>) : ValidationResult()
+}
+
+data class SubmissionResult(
+    val submissionId: String,
+    val formId: String,
+    val status: SubmissionStatus,
+    val submittedAt: Date
+)
+
+enum class SubmissionStatus {
+    SUBMITTED,
+    PENDING,
+    APPROVED,
+    REJECTED
+}
+

modules/atf/src/main/java/com/smoa/modules/atf/ui/ATFForm4473Screen.kt

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+package com.smoa.modules.atf.ui
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+
+@Composable
+fun ATFForm4473Screen(modifier: Modifier = Modifier) {
+    Column(
+        modifier = modifier
+            .fillMaxSize()
+            .padding(16.dp)
+    ) {
+        Text(
+            text = "ATF Form 4473",
+            style = MaterialTheme.typography.headlineMedium
+        )
+    }
+}
+