// This file is part of Substrate.

// Copyright (C) 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

use super::*;
use crate as pallet_lottery;

use frame_support::{
	derive_impl, parameter_types,
	traits::{ConstU32, ConstU64, OnFinalize, OnInitialize},
};
use frame_support_test::TestRandomness;
use frame_system::EnsureRoot;
use sp_runtime::{BuildStorage, Perbill};

type Block = frame_system::mocking::MockBlock<Test>;

frame_support::construct_runtime!(
	pub enum Test
	{
		System: frame_system,
		Balances: pallet_balances,
		Lottery: pallet_lottery,
	}
);

parameter_types! {
	pub const AvailableBlockRatio: Perbill = Perbill::one();
}

#[derive_impl(frame_system::config_preludes::TestDefaultConfig)]
impl frame_system::Config for Test {
	type Block = Block;
	type AccountData = pallet_balances::AccountData<u64>;
}

impl pallet_balances::Config for Test {
	type MaxLocks = ();
	type MaxReserves = ();
	type ReserveIdentifier = [u8; 8];
	type Balance = u64;
	type RuntimeEvent = RuntimeEvent;
	type DustRemoval = ();
	type ExistentialDeposit = ConstU64<1>;
	type AccountStore = System;
	type WeightInfo = ();
	type FreezeIdentifier = ();
	type MaxFreezes = ();
	type RuntimeHoldReason = ();
	type RuntimeFreezeReason = ();
}

parameter_types! {
	pub const LotteryPalletId: PalletId = PalletId(*b"py/lotto");
}

impl Config for Test {
	type PalletId = LotteryPalletId;
	type RuntimeCall = RuntimeCall;
	type Currency = Balances;
	type Randomness = TestRandomness<Self>;
	type RuntimeEvent = RuntimeEvent;
	type ManagerOrigin = EnsureRoot<u64>;
	type MaxCalls = ConstU32<2>;
	type ValidateCall = Lottery;
	type MaxGenerateRandom = ConstU32<10>;
	type WeightInfo = ();
}

pub type SystemCall = frame_system::Call<Test>;
pub type BalancesCall = pallet_balances::Call<Test>;

pub fn new_test_ext() -> sp_io::TestExternalities {
	let mut t = frame_system::GenesisConfig::<Test>::default().build_storage().unwrap();
	pallet_balances::GenesisConfig::<Test> {
		balances: vec![(1, 100), (2, 100), (3, 100), (4, 100), (5, 100)],
	}
	.assimilate_storage(&mut t)
	.unwrap();
	t.into()
}

/// Run until a particular block.
pub fn run_to_block(n: u64) {
	while System::block_number() < n {
		if System::block_number() > 1 {
			Lottery::on_finalize(System::block_number());
			System::on_finalize(System::block_number());
		}
		System::set_block_number(System::block_number() + 1);
		System::on_initialize(System::block_number());
		Lottery::on_initialize(System::block_number());
	}
}