import java.util.Properties

plugins {
    id("com.android.application")
    id("org.jetbrains.kotlin.android")
}

// Signing credentials are NEVER committed. They are read from (in order):
//   1. environment variables  (KEYSTORE_PASSWORD / KEY_PASSWORD / KEY_ALIAS)  — used by CI
//   2. keystore.properties at the repo root (gitignored)                      — used locally
// See keystore.properties.example. Debug builds need none of this.
val keystoreProps = Properties().apply {
    val f = rootProject.file("keystore.properties")
    if (f.exists()) f.inputStream().use { load(it) }
}
fun signingCred(envName: String, propName: String): String? =
    System.getenv(envName) ?: keystoreProps.getProperty(propName)

android {
    namespace = "me.khodak.claudeusage"
    compileSdk = 34

    defaultConfig {
        applicationId = "me.khodak.claudeusage"
        minSdk = 26
        targetSdk = 34
        versionCode = 21
        versionName = "1.20"
    }

    val releaseStorePassword = signingCred("KEYSTORE_PASSWORD", "storePassword")
    val releaseKeyPassword = signingCred("KEY_PASSWORD", "keyPassword")
    val releaseKeyAlias = signingCred("KEY_ALIAS", "keyAlias") ?: "claudewidget"
    val hasSigningCreds = releaseStorePassword != null && releaseKeyPassword != null

    signingConfigs {
        create("release") {
            // Only wire the keystore when credentials are present, so debug builds and
            // credential-less checkouts configure cleanly. Same keystore file + alias as before —
            // signing identity is unchanged; only the password source moved out of version control.
            if (hasSigningCreds) {
                storeFile = file("claude-widget-release.keystore")
                storePassword = releaseStorePassword
                keyAlias = releaseKeyAlias
                keyPassword = releaseKeyPassword
            }
        }
    }

    buildTypes {
        release {
            isMinifyEnabled = true
            isShrinkResources = true
            proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
            // Sign only when creds were supplied; otherwise fail loudly at assembleRelease rather
            // than silently shipping an unsigned APK. Tag builds in CI inject creds (see workflow).
            if (hasSigningCreds) {
                signingConfig = signingConfigs.getByName("release")
            } else {
                logger.warn("No signing credentials (KEYSTORE_PASSWORD/keystore.properties) — release APK will be unsigned.")
            }
        }
    }

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

    kotlinOptions {
        jvmTarget = "17"
    }

    buildFeatures {
        viewBinding = true
        buildConfig = true
    }
}

dependencies {
    implementation("androidx.core:core-ktx:1.12.0")
    implementation("androidx.appcompat:appcompat:1.6.1")
    implementation("com.google.android.material:material:1.11.0")
    implementation("androidx.constraintlayout:constraintlayout:2.1.4")

    // HTTP
    implementation("com.squareup.okhttp3:okhttp:4.12.0")

    // JSON
    implementation("com.google.code.gson:gson:2.10.1")

    // Background work
    implementation("androidx.work:work-runtime-ktx:2.9.0")

    // Secure storage
    implementation("androidx.security:security-crypto:1.1.0-alpha06")

    // Coroutines
    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.3")
    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.3")

    // Lifecycle
    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.7.0")

    // Unit tests (pure JVM — no Robolectric, no Android framework)
    testImplementation("junit:junit:4.13.2")
}
