// 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.

//! Tests for pallet-dev-mode.

use crate::*;
use frame_support::{assert_ok, derive_impl, traits::ConstU64};
use sp_core::H256;
use sp_runtime::{
	traits::{BlakeTwo256, IdentityLookup},
	BuildStorage,
};
// Reexport crate as its pallet name for construct_runtime.
use crate as pallet_dev_mode;

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

// For testing the pallet, we construct a mock runtime.
frame_support::construct_runtime!(
	pub enum Test
	{
		System: frame_system,
		Balances: pallet_balances,
		Example: pallet_dev_mode,
	}
);

#[derive_impl(frame_system::config_preludes::TestDefaultConfig)]
impl frame_system::Config for Test {
	type BaseCallFilter = frame_support::traits::Everything;
	type BlockWeights = ();
	type BlockLength = ();
	type DbWeight = ();
	type RuntimeOrigin = RuntimeOrigin;
	type Nonce = u64;
	type Hash = H256;
	type RuntimeCall = RuntimeCall;
	type Hashing = BlakeTwo256;
	type AccountId = u64;
	type Lookup = IdentityLookup<Self::AccountId>;
	type Block = Block;
	type RuntimeEvent = RuntimeEvent;
	type BlockHashCount = ConstU64<250>;
	type Version = ();
	type PalletInfo = PalletInfo;
	type AccountData = pallet_balances::AccountData<u64>;
	type OnNewAccount = ();
	type OnKilledAccount = ();
	type SystemWeightInfo = ();
	type SS58Prefix = ();
	type OnSetCode = ();
	type MaxConsumers = frame_support::traits::ConstU32<16>;
}

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

impl Config for Test {
	type RuntimeEvent = RuntimeEvent;
}

// This function basically just builds a genesis storage key/value store according to
// our desired mockup.
pub fn new_test_ext() -> sp_io::TestExternalities {
	let t = RuntimeGenesisConfig {
		// We use default for brevity, but you can configure as desired if needed.
		system: Default::default(),
		balances: Default::default(),
	}
	.build_storage()
	.unwrap();
	t.into()
}

#[test]
fn it_works_for_optional_value() {
	new_test_ext().execute_with(|| {
		assert_eq!(Dummy::<Test>::get(), None);

		let val1 = 42;
		assert_ok!(Example::add_dummy(RuntimeOrigin::root(), val1));
		assert_eq!(Dummy::<Test>::get(), Some(vec![val1]));

		// Check that accumulate works when we have Some value in Dummy already.
		let val2 = 27;
		assert_ok!(Example::add_dummy(RuntimeOrigin::root(), val2));
		assert_eq!(Dummy::<Test>::get(), Some(vec![val1, val2]));
	});
}

#[test]
fn set_dummy_works() {
	new_test_ext().execute_with(|| {
		let test_val = 133;
		assert_ok!(Example::set_bar(RuntimeOrigin::signed(1), test_val.into()));
		assert_eq!(Bar::<Test>::get(1), Some(test_val));
	});
}
