// This file is part of Substrate.

// Copyright (C) 2018-2020 Parity Technologies (UK) Ltd.
// 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.

//! Test utilities

#![cfg(test)]

use crate::{Config, Module, GenesisConfig};
use sp_consensus_aura::ed25519::AuthorityId;
use sp_runtime::{
	traits::IdentityLookup,
	testing::{Header, UintAuthorityId},
};
use frame_support::{impl_outer_origin, parameter_types};
use sp_io;
use sp_core::H256;

impl_outer_origin!{
	pub enum Origin for Test where system = frame_system {}
}

// Workaround for https://github.com/rust-lang/rust/issues/26925 . Remove when sorted.
#[derive(Clone, PartialEq, Eq, Debug)]
pub struct Test;

parameter_types! {
	pub const BlockHashCount: u64 = 250;
	pub BlockWeights: frame_system::limits::BlockWeights =
		frame_system::limits::BlockWeights::simple_max(1024);
	pub const MinimumPeriod: u64 = 1;
}

impl frame_system::Config for Test {
	type BaseCallFilter = ();
	type BlockWeights = ();
	type BlockLength = ();
	type DbWeight = ();
	type Origin = Origin;
	type Index = u64;
	type BlockNumber = u64;
	type Call = ();
	type Hash = H256;
	type Hashing = ::sp_runtime::traits::BlakeTwo256;
	type AccountId = u64;
	type Lookup = IdentityLookup<Self::AccountId>;
	type Header = Header;
	type Event = ();
	type BlockHashCount = BlockHashCount;
	type Version = ();
	type PalletInfo = ();
	type AccountData = ();
	type OnNewAccount = ();
	type OnKilledAccount = ();
	type SystemWeightInfo = ();
	type SS58Prefix = ();
}

impl pallet_timestamp::Config for Test {
	type Moment = u64;
	type OnTimestampSet = Aura;
	type MinimumPeriod = MinimumPeriod;
	type WeightInfo = ();
}

impl Config for Test {
	type AuthorityId = AuthorityId;
}

pub fn new_test_ext(authorities: Vec<u64>) -> sp_io::TestExternalities {
	let mut t = frame_system::GenesisConfig::default().build_storage::<Test>().unwrap();
	GenesisConfig::<Test>{
		authorities: authorities.into_iter().map(|a| UintAuthorityId(a).to_public_key()).collect(),
	}.assimilate_storage(&mut t).unwrap();
	t.into()
}

pub type Aura = Module<Test>;