Closer/app/build.gradle.kts

plugins {
    id("com.android.application")
    id("org.jetbrains.kotlin.android")
    id("org.jetbrains.kotlin.plugin.compose")
    id("com.google.gms.google-services")
    id("com.google.firebase.crashlytics")
    id("com.google.dagger.hilt.android")
    id("com.google.devtools.ksp")
}

android {
    namespace = "app.closer"
    compileSdk = 35

    defaultConfig {
        applicationId = "closer.app"
        minSdk = 26
        targetSdk = 35
        versionCode = 1
        versionName = "0.1.0"

        // RevenueCat API key. Set RC_API_KEY in local.properties (never committed).
        // Debug builds fall back to a placeholder; release builds abort — see task guard below.
        buildConfigField(
            "String",
            "RC_API_KEY",
            "\"${properties["RC_API_KEY"]?.toString() ?: System.getenv("RC_API_KEY") ?: "PLACEHOLDER_RC_API_KEY"}\""
        )
    }

    buildFeatures {
        buildConfig = true
        compose = true
    }

    signingConfigs {
        create("release") {
            // Set these four properties in local.properties (never commit) or as environment
            // variables in CI. RELEASE_STORE_FILE is the path to the .jks / .keystore file,
            // relative to the project root.
            val storeFilePath = (findProperty("RELEASE_STORE_FILE") as? String)?.takeIf { it.isNotBlank() }
                ?: System.getenv("RELEASE_STORE_FILE")?.takeIf { it.isNotBlank() }
            val storePwd = (findProperty("RELEASE_STORE_PASSWORD") as? String)?.takeIf { it.isNotBlank() }
                ?: System.getenv("RELEASE_STORE_PASSWORD")?.takeIf { it.isNotBlank() }
            val keyAliasVal = (findProperty("RELEASE_KEY_ALIAS") as? String)?.takeIf { it.isNotBlank() }
                ?: System.getenv("RELEASE_KEY_ALIAS")?.takeIf { it.isNotBlank() }
            val keyPwd = (findProperty("RELEASE_KEY_PASSWORD") as? String)?.takeIf { it.isNotBlank() }
                ?: System.getenv("RELEASE_KEY_PASSWORD")?.takeIf { it.isNotBlank() }

            if (storeFilePath != null && storePwd != null && keyAliasVal != null && keyPwd != null) {
                storeFile = rootProject.file(storeFilePath)
                storePassword = storePwd
                keyAlias = keyAliasVal
                keyPassword = keyPwd
            }
        }
    }

    buildTypes {
        debug {
            // Stable debug token registered in Firebase Console > App Check.
            // Pre-seeded into SharedPreferences by FirebaseInitializer so all installs
            // use the same token without manual re-registration.
            buildConfigField("String", "APP_CHECK_DEBUG_TOKEN", "\"e2dc8256-403f-449b-846e-76614a7297cc\"")
        }
        release {
            buildConfigField("String", "APP_CHECK_DEBUG_TOKEN", "\"\"")
            signingConfig = signingConfigs.getByName("release")
            isMinifyEnabled = true
            isShrinkResources = true
            proguardFiles(
                getDefaultProguardFile("proguard-android-optimize.txt"),
                "proguard-rules.pro"
            )
        }
    }

    compileOptions {
        sourceCompatibility = JavaVersion.VERSION_17
        targetCompatibility = JavaVersion.VERSION_17
    }

    kotlinOptions {
        jvmTarget = "17"
    }

    packaging {
        resources.excludes += "META-INF/versions/9/OSGI-INF/MANIFEST.MF"
    }

    testOptions {
        unitTests {
            isReturnDefaultValues = true
            isIncludeAndroidResources = true
        }
    }

}

// Abort any release assemble/bundle task when required credentials are absent.
// This runs at execution time so debug builds are never affected.
tasks.matching { it.name.let { n ->
    (n.startsWith("assemble") || n.startsWith("bundle")) && n.contains("Release", ignoreCase = true)
}}.configureEach {
    doFirst {
        val key = (findProperty("RC_API_KEY") as? String)?.takeIf { it.isNotBlank() }
            ?: System.getenv("RC_API_KEY")?.takeIf { it.isNotBlank() }
        if (key == null || key == "PLACEHOLDER_RC_API_KEY") {
            throw GradleException(
                "RC_API_KEY is not set. Add it to local.properties or export RC_API_KEY before running a release build."
            )
        }

        val storeFilePath = (findProperty("RELEASE_STORE_FILE") as? String)?.takeIf { it.isNotBlank() }
            ?: System.getenv("RELEASE_STORE_FILE")?.takeIf { it.isNotBlank() }
        if (storeFilePath == null) {
            throw GradleException(
                "Release signing is not configured. Set RELEASE_STORE_FILE, RELEASE_STORE_PASSWORD, " +
                "RELEASE_KEY_ALIAS, and RELEASE_KEY_PASSWORD in local.properties or as environment variables."
            )
        }
    }
}

ksp {
    arg("room.schemaLocation", "$projectDir/schemas")
}

dependencies {
    val composeBom = platform("androidx.compose:compose-bom:2025.01.01")
    implementation(composeBom)

    implementation("androidx.core:core-ktx:1.15.0")
    implementation("androidx.core:core-splashscreen:1.0.1")
    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.8.7")
    implementation("androidx.activity:activity-compose:1.9.3")

    // Compose
    implementation("androidx.compose.ui:ui")
    implementation("androidx.compose.ui:ui-graphics")
    implementation("androidx.compose.ui:ui-tooling-preview")
    implementation("androidx.compose.material3:material3")
    implementation("androidx.compose.material:material-icons-extended")

    // Navigation
    implementation("androidx.navigation:navigation-compose:2.8.5")

    // ViewModel
    implementation("androidx.lifecycle:lifecycle-viewmodel-compose:2.8.7")

    // Firebase
    implementation(platform("com.google.firebase:firebase-bom:33.8.0"))
    implementation("com.google.firebase:firebase-auth-ktx")
    implementation("com.google.firebase:firebase-firestore-ktx")
    implementation("com.google.firebase:firebase-messaging-ktx")
    implementation("com.google.firebase:firebase-config-ktx")
    implementation("com.google.firebase:firebase-analytics-ktx")
    implementation("com.google.firebase:firebase-crashlytics-ktx")
    implementation("com.google.firebase:firebase-appcheck-ktx")
    implementation("com.google.firebase:firebase-appcheck-playintegrity")
    debugImplementation("com.google.firebase:firebase-appcheck-debug")

    // Hilt
    implementation("com.google.dagger:hilt-android:2.53.1")
    ksp("com.google.dagger:hilt-android-compiler:2.53.1")
    implementation("androidx.hilt:hilt-navigation-compose:1.2.0")

    // Room
    implementation("androidx.room:room-runtime:2.6.1")
    implementation("androidx.room:room-ktx:2.6.1")
    ksp("androidx.room:room-compiler:2.6.1")

    // DataStore
    implementation("androidx.datastore:datastore-preferences:1.1.2")

    // Encrypted storage
    implementation("androidx.security:security-crypto:1.0.0")

    // Play Integrity API — runtime device integrity check
    implementation("com.google.android.play:integrity:1.4.0")

    // Firebase Functions — callable for server-side integrity token verification
    implementation("com.google.firebase:firebase-storage-ktx")
    implementation("com.google.firebase:firebase-functions-ktx")

    // RevenueCat native Android SDK (group: com.revenuecat.purchases, artifact: purchases)
    implementation("com.revenuecat.purchases:purchases:8.20.0")

    // Image loading
    implementation("io.coil-kt:coil-compose:2.7.0")
    // Animated GIF / WebP support (for GIFs, stickers, Bitmoji from the keyboard)
    implementation("io.coil-kt:coil-gif:2.7.0")

    // AppCompat — required by BiometricPrompt (needs FragmentActivity base)
    implementation("androidx.appcompat:appcompat:1.7.0")
    // Biometric auth — recovery phrase reveal + app-level login lock
    implementation("androidx.biometric:biometric:1.1.0")

    // Google Sign-In via Credential Manager
    implementation("androidx.credentials:credentials:1.3.0")
    implementation("androidx.credentials:credentials-play-services-auth:1.3.0")
    implementation("com.google.android.libraries.identity.googleid:googleid:1.1.1")

    // Coroutines
    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.9.0")

    // E2EE: Google Tink (AEAD) + Bouncy Castle (Argon2id KDF)
    implementation("com.google.crypto.tink:tink-android:1.13.0")
    implementation("org.bouncycastle:bcprov-jdk18on:1.78.1")

    // Debug
    debugImplementation("androidx.compose.ui:ui-tooling")
    debugImplementation("androidx.compose.ui:ui-test-manifest")

    // Unit tests — JVM only (no device/emulator required)
    testImplementation("junit:junit:4.13.2")
    testImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.9.0")
    testImplementation("io.mockk:mockk:1.13.14")
}