// Example: consuming the pvtcoms UniFFI bindings from an Android (Kotlin/Compose) app.
// Generated binding: uniffi.pvtcoms_ffi; loads libpvtcoms_ffi.so from jniLibs.
package com.pvtcoms.example

import uniffi.pvtcoms_ffi.Identity
import uniffi.pvtcoms_ffi.safetyNumber
import uniffi.pvtcoms_ffi.verify
import uniffi.pvtcoms_ffi.version

fun demo(deviceKey: ByteArray, sessionKey: ByteArray) {
    val v = version()                                  // e.g. "0.1.8"

    // Identity is OPAQUE — the secret key stays inside Rust.
    Identity.generate().use { id ->                    // AutoCloseable
        val pub = id.publicKey()                       // ByteArray (32 bytes)
        println("my id ${id.fingerprint()}")
        val sig = id.sign("hello".toByteArray())
        val ok = verify(pub, "hello".toByteArray(), sig)         // true (throws on bad length)

        // Persist: seal under the device key (from Android Keystore), restore later.
        val blob = id.toSealed(deviceKey)
        Identity.fromSealed(deviceKey, blob).use { /* restored, same public key */ }
    }

    val emoji = safetyNumber(sessionKey)               // 16-emoji safety number for the verify screen
}