// Copyright 2018-2019 Parity Technologies (UK) Ltd.
// This file is part of Substrate.

// Substrate is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// Substrate is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.

//! Test utilities

#![cfg(test)]

use primitives::{traits::IdentityLookup, testing::{Header, UintAuthorityId}};
use srml_support::impl_outer_origin;
use runtime_io;
use substrate_primitives::{H256, Blake2Hasher};
use crate::{Trait, Module, GenesisConfig};

impl_outer_origin!{
	pub enum Origin for Test {}
}

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

impl system::Trait for Test {
	type Origin = Origin;
	type Index = u64;
	type BlockNumber = u64;
	type Hash = H256;
	type Hashing = ::primitives::traits::BlakeTwo256;
	type AccountId = u64;
	type Lookup = IdentityLookup<Self::AccountId>;
	type Header = Header;
	type Event = ();
}

impl timestamp::Trait for Test {
	type Moment = u64;
	type OnTimestampSet = Aura;
}

impl Trait for Test {
	type HandleReport = ();
	type AuthorityId = UintAuthorityId;
}

pub fn new_test_ext(authorities: Vec<u64>) -> runtime_io::TestExternalities<Blake2Hasher> {
	let mut t = system::GenesisConfig::default().build_storage::<Test>().unwrap().0;
	t.extend(timestamp::GenesisConfig::<Test>{
		minimum_period: 1,
	}.build_storage().unwrap().0);
	t.extend(GenesisConfig::<Test>{
		authorities: authorities.into_iter().map(|a| UintAuthorityId(a)).collect(),
	}.build_storage().unwrap().0);
	t.into()
}

pub type System = system::Module<Test>;
pub type Aura = Module<Test>;