// This file is part of Bizinikiwi.

// Copyright (C) Parity Technologies (UK) Ltd. and Dijital Kurdistan Tech Institute
// SPDX-License-Identifier: MIT-0

// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
// of the Software, and to permit persons to whom the Software is furnished to do
// so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

//! Tests for pezpallet-example-basic.

use crate::*;
use pezframe_support::{
	assert_ok, derive_impl,
	dispatch::{DispatchInfo, GetDispatchInfo},
	traits::{ConstU64, OnInitialize},
};
use pezsp_core::H256;
// The testing primitives are very useful for avoiding having to work with signatures
// or public keys. `u64` is used as the `AccountId` and no `Signature`s are required.
use pezsp_runtime::{
	traits::{BlakeTwo256, DispatchTransaction, IdentityLookup},
	transaction_validity::TransactionSource::External,
	BuildStorage,
};
// Reexport crate as its pezpallet name for construct_runtime.
use crate as pezpallet_example_basic;

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

// For testing the pezpallet, we construct a mock runtime.
pezframe_support::construct_runtime!(
	pub enum Test
	{
		System: pezframe_system,
		Balances: pezpallet_balances,
		Example: pezpallet_example_basic,
	}
);

#[derive_impl(pezframe_system::config_preludes::TestDefaultConfig)]
impl pezframe_system::Config for Test {
	type BaseCallFilter = pezframe_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 Version = ();
	type PalletInfo = PalletInfo;
	type AccountData = pezpallet_balances::AccountData<u64>;
	type OnNewAccount = ();
	type OnKilledAccount = ();
	type SystemWeightInfo = ();
	type SS58Prefix = ();
	type OnSetCode = ();
	type MaxConsumers = pezframe_support::traits::ConstU32<16>;
}

#[derive_impl(pezpallet_balances::config_preludes::TestDefaultConfig)]
impl pezpallet_balances::Config for Test {
	type AccountStore = System;
}

impl Config for Test {
	type MagicNumber = ConstU64<1_000_000_000>;
	type WeightInfo = ();
}

// This function basically just builds a genesis storage key/value store according to
// our desired mockup.
pub fn new_test_ext() -> pezsp_io::TestExternalities {
	let t = RuntimeGenesisConfig {
		// We use default for brevity, but you can configure as desired if needed.
		system: Default::default(),
		balances: Default::default(),
		example: pezpallet_example_basic::GenesisConfig {
			dummy: 42,
			// we configure the map with (key, value) pairs.
			bar: alloc::vec![(1, 2), (2, 3)],
			foo: 24,
		},
	}
	.build_storage()
	.unwrap();
	t.into()
}

#[test]
fn it_works_for_optional_value() {
	new_test_ext().execute_with(|| {
		// Check that GenesisBuilder works properly.
		let val1 = 42;
		let val2 = 27;
		assert_eq!(Dummy::<Test>::get(), Some(val1));

		// Check that accumulate works when we have Some value in Dummy already.
		assert_ok!(Example::accumulate_dummy(RuntimeOrigin::signed(1), val2));
		assert_eq!(Dummy::<Test>::get(), Some(val1 + val2));

		// Check that accumulate works when we Dummy has None in it.
		<Example as OnInitialize<u64>>::on_initialize(2);
		assert_ok!(Example::accumulate_dummy(RuntimeOrigin::signed(1), val1));
		assert_eq!(Dummy::<Test>::get(), Some(val1 + val2 + val1));
	});
}

#[test]
fn it_works_for_default_value() {
	new_test_ext().execute_with(|| {
		assert_eq!(Foo::<Test>::get(), 24);
		assert_ok!(Example::accumulate_foo(RuntimeOrigin::signed(1), 1));
		assert_eq!(Foo::<Test>::get(), 25);
	});
}

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

#[test]
fn signed_ext_watch_dummy_works() {
	new_test_ext().execute_with(|| {
		let call = pezpallet_example_basic::Call::set_dummy { new_value: 10 }.into();
		let info = DispatchInfo::default();

		assert_eq!(
			WatchDummy::<Test>(PhantomData)
				.validate_only(Some(1).into(), &call, &info, 150, External, 0)
				.unwrap()
				.0
				.priority,
			u64::MAX,
		);
		assert_eq!(
			WatchDummy::<Test>(PhantomData)
				.validate_only(Some(1).into(), &call, &info, 250, External, 0)
				.unwrap_err(),
			InvalidTransaction::ExhaustsResources.into(),
		);
	})
}

#[test]
fn counted_map_works() {
	new_test_ext().execute_with(|| {
		assert_eq!(CountedMap::<Test>::count(), 0);
		CountedMap::<Test>::insert(3, 3);
		assert_eq!(CountedMap::<Test>::count(), 1);
	})
}

#[test]
fn weights_work() {
	// must have a defined weight.
	let default_call = pezpallet_example_basic::Call::<Test>::accumulate_dummy { increase_by: 10 };
	let info1 = default_call.get_dispatch_info();
	// aka. `let info = <Call<Test> as GetDispatchInfo>::get_dispatch_info(&default_call);`
	// TODO: account for proof size weight
	assert!(info1.call_weight.ref_time() > 0);
	assert_eq!(info1.call_weight, <Test as Config>::WeightInfo::accumulate_dummy());

	// `set_dummy` is simpler than `accumulate_dummy`, and the weight
	//   should be less.
	let custom_call = pezpallet_example_basic::Call::<Test>::set_dummy { new_value: 20 };
	let info2 = custom_call.get_dispatch_info();
	// TODO: account for proof size weight
	assert!(info1.call_weight.ref_time() > info2.call_weight.ref_time());
}