// This file is part of Bizinikiwi.

// Copyright (C) Parity Technologies (UK) Ltd. and Dijital Kurdistan Tech Institute
// SPDX-License-Identifier: Apache-2.0

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// 	http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

//! Integration tests for ed25519

use bizinikiwi_test_runtime_client::{
	runtime::{TestAPI, TEST_OWNER},
	DefaultTestClientBuilderExt, TestClientBuilder, TestClientBuilderExt,
};
use pezsp_api::{ApiExt, ProvideRuntimeApi};
use pezsp_application_crypto::{ed25519::AppPair, RuntimePublic};
use pezsp_core::{
	crypto::{ByteArray, Pair},
	ed25519::Pair as Ed25519Pair,
	proof_of_possession::{ProofOfPossessionGenerator, ProofOfPossessionVerifier},
	testing::ED25519,
};
use pezsp_keystore::{testing::MemoryKeystore, Keystore, KeystoreExt};
use std::sync::Arc;

#[test]
fn ed25519_works_in_runtime() {
	pezsp_tracing::try_init_simple();
	let keystore = Arc::new(MemoryKeystore::new());
	let test_client = TestClientBuilder::new().build();

	let mut runtime_api = test_client.runtime_api();
	runtime_api.register_extension(KeystoreExt::new(keystore.clone()));

	let (signature, public, proof_of_possession) = runtime_api
		.test_ed25519_crypto(test_client.chain_info().genesis_hash)
		.expect("Tests `ed25519` crypto.");

	let supported_keys = keystore.keys(ED25519).unwrap();
	assert!(supported_keys.contains(&public.to_raw_vec()));
	assert!(AppPair::verify(&signature, "ed25519", &public));
	assert!(AppPair::verify_proof_of_possession(
		TEST_OWNER,
		&proof_of_possession.into(),
		&public.into()
	));
}

#[test]
fn ed25519_client_proof_of_possession_verified_by_runtime_public() {
	let (mut test_pair, _) = Ed25519Pair::generate();

	let client_generated_proof_of_possession = test_pair.generate_proof_of_possession(TEST_OWNER);
	assert!(RuntimePublic::verify_proof_of_possession(
		&test_pair.public(),
		TEST_OWNER,
		&client_generated_proof_of_possession
	));
}