checkpoint before checking out feature/account-managed-gateway

src/main/kotlin/com/osglab/account/config/AppConfig.kt

@@ -1,5 +1,6 @@
 package com.osglab.account.config
 
+import com.osglab.account.features.storekit.domain.StoreKitProduct
 import io.ktor.server.config.ApplicationConfig
 import java.net.URI
 import java.util.Base64
@@ -16,6 +17,7 @@ data class AppConfig(
     val antiAbuse: AntiAbuseConfig,
     val apple: AppleConfig,
     val credits: CreditsConfig,
+    val storeKit: StoreKitConfig = StoreKitConfig(),
     val providers: ProvidersConfig,
     val integrity: IntegrityConfig,
     val admin: AdminConfig = AdminConfig(),
@@ -76,10 +78,32 @@ data class AppConfig(
             )
             val credits = CreditsConfig(
                 signupTrial = config.positiveLong("app.credits.signupTrial", 1_000),
-                referralInviter = config.positiveLong("app.credits.referralInviter", 3_000),
-                referralInvitee = config.positiveLong("app.credits.referralInvitee", 3_000),
+                referralInviter = config.positiveLong("app.credits.referralInviter", 1_000),
+                referralInvitee = config.positiveLong("app.credits.referralInvitee", 1_000),
                 referralBindingDays = config.positiveLong("app.credits.referralBindingDays", 7),
             )
+            val storeKitEnabled = config.booleanOrDefault("app.storeKit.enabled", false)
+            val storeKitAppAppleId = config.optionalValue("app.storeKit.appAppleId")?.let { raw ->
+                raw.toLongOrNull()?.takeIf { it > 0 }
+                    ?: throw ConfigValidationException("app.storeKit.appAppleId must be positive")
+            }
+            val storeKit = StoreKitConfig(
+                enabled = storeKitEnabled,
+                bundleId = config.valueOrDefault("app.storeKit.bundleId", apple.clientId),
+                appAppleId = storeKitAppAppleId,
+                products = config.storeKitProducts("app.storeKit.products"),
+            )
+            if (storeKitEnabled) {
+                require(storeKit.bundleId == apple.clientId) {
+                    "app.storeKit.bundleId must match app.apple.clientId"
+                }
+                require(storeKit.appAppleId != null) {
+                    "app.storeKit.appAppleId is required when StoreKit is enabled"
+                }
+                require(storeKit.products.isNotEmpty()) {
+                    "app.storeKit.products is required when StoreKit is enabled"
+                }
+            }
             val providers = ProvidersConfig(
                 volcengine = VolcengineConfig(
                     endpoint = config.valueOrDefault(
@@ -294,6 +318,7 @@ data class AppConfig(
                 antiAbuse = antiAbuse,
                 apple = apple,
                 credits = credits,
+                storeKit = storeKit,
                 providers = providers,
                 integrity = integrity,
                 admin = admin,
@@ -359,6 +384,13 @@ data class CreditsConfig(
     val referralBindingDays: Long,
 )
 
+data class StoreKitConfig(
+    val enabled: Boolean = false,
+    val bundleId: String = "com.osgkeyboard.ios",
+    val appAppleId: Long? = null,
+    val products: List<StoreKitProduct> = emptyList(),
+)
+
 data class ProvidersConfig(
     val volcengine: VolcengineConfig,
     val deepSeek: DeepSeekConfig,
@@ -492,6 +524,24 @@ private fun ApplicationConfig.positiveLong(path: String, default: Long): Long =
             ?: throw ConfigValidationException("$path must be a positive integer")
     } ?: default
 
+private fun ApplicationConfig.storeKitProducts(path: String): List<StoreKitProduct> {
+    val raw = optionalValue(path) ?: return emptyList()
+    val products = raw.split(',').map { entry ->
+        val parts = entry.split(':', limit = 2).map(String::trim)
+        if (parts.size != 2) {
+            throw ConfigValidationException("$path must use productId:credits entries")
+        }
+        val credits = parts[1].toLongOrNull()?.takeIf { it > 0 }
+            ?: throw ConfigValidationException("$path credits must be positive integers")
+        runCatching { StoreKitProduct(productId = parts[0], credits = credits) }
+            .getOrElse { throw ConfigValidationException("$path contains an invalid product", it) }
+    }
+    if (products.map(StoreKitProduct::productId).distinct().size != products.size) {
+        throw ConfigValidationException("$path contains duplicate product IDs")
+    }
+    return products
+}
+
 private fun ApplicationConfig.boolean(path: String): Boolean =
     required(path).let {
         when (it.lowercase()) {