Updated on 2026-08-14

app/src/main/java/com/tangem/tap/domain/config/Conditions.kt

@@ -0,0 +1,27 @@
+package com.tangem.tap.domain.config
+
+import com.tangem.commands.Card
+import java.util.*
+
+/**
+[REDACTED_AUTHOR]
+ */
+interface Condition {
+    fun isMet(): Boolean
+}
+
+class CardIsStart2CoinCondition(private val card: Card?) : Condition {
+
+    override fun isMet(): Boolean = card?.cardData?.issuerName?.toLowerCase(Locale.US) == "start2coin"
+}
+
+class ConditionsFactory {
+    companion object {
+        fun create(name: String): Condition? {
+            return when (name) {
+                Feature.payIdIsEnabled -> CardIsStart2CoinCondition(null)
+                else -> null
+            }
+        }
+    }
+}

app/src/main/java/com/tangem/tap/domain/config/ConfigLoader.kt

@@ -0,0 +1,68 @@
+package com.tangem.tap.domain.config
+
+import android.content.Context
+import com.squareup.moshi.JsonAdapter
+import com.tangem.wallet.BuildConfig
+import timber.log.Timber
+
+/**
+[REDACTED_AUTHOR]
+ */
+interface ConfigLoader {
+    suspend fun loadConfig(onComplete: (Config) -> Unit)
+}
+
+
+interface NameResolver {
+    fun getFeaturesName(): String
+    fun getConfigValuesName(): String
+}
+
+class ConfigNameResolver {
+    companion object {
+        fun get(): NameResolver = if (BuildConfig.DEBUG) dev() else prod()
+
+        private fun dev(): NameResolver {
+            return object : NameResolver {
+                override fun getFeaturesName(): String = "dev_features"
+                override fun getConfigValuesName(): String = "dev_config_values"
+            }
+        }
+
+        private fun prod(): NameResolver {
+            return object : NameResolver {
+                override fun getFeaturesName(): String = "prod_features"
+                override fun getConfigValuesName(): String = "prod_config_values"
+
+            }
+        }
+    }
+}
+
+class LocalLoader(
+        private val context: Context,
+        private val nameResolver: NameResolver,
+        private val adapter: JsonAdapter<ConfigModel>
+) : ConfigLoader {
+
+    override suspend fun loadConfig(onComplete: (Config) -> Unit) {
+        val config = try {
+            val jsonFeatures = readAssetAsString(nameResolver.getFeaturesName())
+            var configModel = adapter.fromJson(jsonFeatures)
+            val features = configModel?.toFeatures(ConfigType.Local) ?: mutableMapOf()
+
+            val jsonConfigValues = readAssetAsString(nameResolver.getConfigValuesName())
+            configModel = adapter.fromJson(jsonConfigValues)
+            val configValues = configModel?.toConfigValues() ?: mutableMapOf()
+            Config(features, configValues)
+        } catch (ex: Exception) {
+            Timber.e(ex)
+            Config.empty()
+        }
+        onComplete(config)
+    }
+
+    private fun readAssetAsString(fileName: String): String {
+        return context.assets.open("$fileName.json").bufferedReader().readText()
+    }
+}

app/src/main/java/com/tangem/tap/domain/config/JsonModels.kt

@@ -0,0 +1,36 @@
+package com.tangem.tap.domain.config
+
+/**
+[REDACTED_AUTHOR]
+ */
+
+interface BaseConfigModel<V> {
+    val name: String
+    val value: V?
+}
+
+class FeatureModel(
+        override val name: String,
+        override val value: Boolean?
+) : BaseConfigModel<Boolean>
+
+class ConfigValueModel(
+        override val name: String,
+        override val value: String?
+) : BaseConfigModel<String>
+
+class ConfigModel(val features: List<FeatureModel>?, val configValues: List<ConfigValueModel>?)
+
+fun ConfigModel.toFeatures(type: ConfigType): MutableMap<String, Feature> {
+    return features?.map { AppFeature(type, it, ConditionsFactory.create(it.name)) }
+            ?.associateBy { it.name }
+            ?.toMutableMap()
+            ?: mutableMapOf()
+}
+
+fun ConfigModel.toConfigValues(): MutableMap<String, ConfigurationValue> {
+    return configValues?.map { ConfigurationValue(it.name, it.value) }
+            ?.associateBy { it.name }
+            ?.toMutableMap() ?: mutableMapOf()
+}
+

app/src/main/java/com/tangem/tap/domain/config/Models.kt

@@ -0,0 +1,45 @@
+package com.tangem.tap.domain.config
+
+/**
+[REDACTED_AUTHOR]
+ */
+
+interface Feature {
+    val name: String
+    val type: ConfigType
+    fun isActive(): Boolean
+    fun reset()
+    fun updateCondition(condition: Condition?)
+    fun hasCondition(): Boolean
+
+    companion object {
+        val payIdIsEnabled = "payIdIsEnabled"
+    }
+}
+
+class AppFeature(
+        override val type: ConfigType,
+        private val featureModel: FeatureModel,
+        private var condition: Condition?
+) : Feature {
+    override val name: String = featureModel.name
+
+    override fun isActive(): Boolean {
+        return if (condition == null) featureModel.value ?: false
+        else condition!!.isMet()
+    }
+
+    override fun reset() {
+        condition = null
+    }
+
+    override fun updateCondition(condition: Condition?) {
+        if (type == ConfigType.Local) this.condition = condition
+    }
+
+    override fun hasCondition(): Boolean {
+        return condition != null
+    }
+}
+
+data class ConfigurationValue(val name: String, val value: String?)