// Copyright 2019-2025 PureStake Inc.

// This file is part of Moonbeam.

// Moonbeam 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.

// Moonbeam 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 Moonbeam.  If not, see <http://www.gnu.org/licenses/>.

//! Test utilities

use crate::v1::{XcmTransactorPrecompileV1, XcmTransactorPrecompileV1Call};

use crate::v2::{XcmTransactorPrecompileV2, XcmTransactorPrecompileV2Call};

use crate::v3::{XcmTransactorPrecompileV3, XcmTransactorPrecompileV3Call};

use frame_support::{

	construct_runtime, parameter_types,

	traits::{Everything, PalletInfo as PalletInfoTrait},

	weights::{RuntimeDbWeight, Weight},

};

use pallet_evm::{

	EnsureAddressNever, EnsureAddressRoot, FrameSystemAccountProvider, GasWeightMapping,

};

use pallet_xcm_transactor::RelayIndices;

use parity_scale_codec::{Decode, DecodeWithMemTracking, Encode};

use precompile_utils::{

	mock_account,

	precompile_set::*,

	testing::{AddressInPrefixedSet, MockAccount},

};

use scale_info::TypeInfo;

use sp_core::{H160, H256, U256};

use sp_runtime::traits::{BlakeTwo256, IdentityLookup};

use sp_runtime::BuildStorage;

use xcm::latest::{prelude::*, Error as XcmError};

use xcm_builder::FixedWeightBounds;

use xcm_executor::{

	traits::{TransactAsset, WeightTrader},

	AssetsInHolding,

};

use xcm_primitives::AccountIdToCurrencyId;

pub type AccountId = MockAccount;

pub type Balance = u128;

type Block = frame_system::mocking::MockBlockU32<Runtime>;

// Configure a mock runtime to test the pallet.

construct_runtime!(

	pub enum Runtime	{

		System: frame_system,

		Balances: pallet_balances,

		Evm: pallet_evm,

		Timestamp: pallet_timestamp,

		XcmTransactor: pallet_xcm_transactor,

	}

pub struct AccountIdToLocation;

impl sp_runtime::traits::Convert<AccountId, Location> for AccountIdToLocation {

			0,

		)

}

pub type AssetId = u128;

parameter_types! {

	pub ParachainId: cumulus_primitives_core::ParaId = 100.into();

}

parameter_types! {

	pub const BlockHashCount: u32 = 250;

	pub const SS58Prefix: u8 = 42;

	pub const MockDbWeight: RuntimeDbWeight = RuntimeDbWeight {

		read: 1,

		write: 5,

	};

}

impl frame_system::Config for Runtime {

	type BaseCallFilter = Everything;

	type DbWeight = MockDbWeight;

	type RuntimeOrigin = RuntimeOrigin;

	type RuntimeTask = RuntimeTask;

	type Nonce = u64;

	type Block = Block;

	type RuntimeCall = RuntimeCall;

	type Hash = H256;

	type Hashing = BlakeTwo256;

	type AccountId = AccountId;

	type Lookup = IdentityLookup<Self::AccountId>;

	type RuntimeEvent = RuntimeEvent;

	type BlockHashCount = BlockHashCount;

	type Version = ();

	type PalletInfo = PalletInfo;

	type AccountData = pallet_balances::AccountData<Balance>;

	type OnNewAccount = ();

	type OnKilledAccount = ();

	type SystemWeightInfo = ();

	type BlockWeights = ();

	type BlockLength = ();

	type SS58Prefix = SS58Prefix;

	type OnSetCode = ();

	type MaxConsumers = frame_support::traits::ConstU32<16>;

	type SingleBlockMigrations = ();

	type MultiBlockMigrator = ();

	type PreInherents = ();

	type PostInherents = ();

	type PostTransactions = ();

	type ExtensionsWeightInfo = ();

}

parameter_types! {

	pub const ExistentialDeposit: u128 = 0;

}

impl pallet_balances::Config for Runtime {

	type MaxReserves = ();

	type ReserveIdentifier = ();

	type MaxLocks = ();

	type Balance = Balance;

	type RuntimeEvent = RuntimeEvent;

	type DustRemoval = ();

	type ExistentialDeposit = ExistentialDeposit;

	type AccountStore = System;

	type WeightInfo = ();

	type RuntimeHoldReason = ();

	type FreezeIdentifier = ();

	type MaxFreezes = ();

	type RuntimeFreezeReason = ();

	type DoneSlashHandler = ();

}

// These parameters dont matter much as this will only be called by root with the forced arguments

// No deposit is substracted with those methods

parameter_types! {

	pub const AssetDeposit: Balance = 0;

	pub const ApprovalDeposit: Balance = 0;

	pub const AssetsStringLimit: u32 = 50;

	pub const MetadataDepositBase: Balance = 0;

	pub const MetadataDepositPerByte: Balance = 0;

}

pub type Precompiles<R> = PrecompileSetBuilder<

	R,

	(

		PrecompileAt<AddressU64<1>, XcmTransactorPrecompileV1<R>, CallableByContract>,

		PrecompileAt<AddressU64<2>, XcmTransactorPrecompileV2<R>, CallableByContract>,

		PrecompileAt<AddressU64<4>, XcmTransactorPrecompileV3<R>, CallableByContract>,

	),

>;

pub type PCallV1 = XcmTransactorPrecompileV1Call<Runtime>;

pub type PCallV2 = XcmTransactorPrecompileV2Call<Runtime>;

pub type PCallV3 = XcmTransactorPrecompileV3Call<Runtime>;

const MAX_POV_SIZE: u64 = 5 * 1024 * 1024;

/// Block storage limit in bytes. Set to 40 KB.

const BLOCK_STORAGE_LIMIT: u64 = 40 * 1024;

parameter_types! {

	pub BlockGasLimit: U256 = U256::from(u64::MAX);

	pub PrecompilesValue: Precompiles<Runtime> = Precompiles::new();

	pub const WeightPerGas: Weight = Weight::from_parts(1, 0);

	pub GasLimitPovSizeRatio: u64 = {

		let block_gas_limit = BlockGasLimit::get().min(u64::MAX.into()).low_u64();

		block_gas_limit.saturating_div(MAX_POV_SIZE)

	};

	pub GasLimitStorageGrowthRatio: u64 = {

		let block_gas_limit = BlockGasLimit::get().min(u64::MAX.into()).low_u64();

		block_gas_limit.saturating_div(BLOCK_STORAGE_LIMIT)

	};

}

/// A mapping function that converts Ethereum gas to Substrate weight

/// We are mocking this 1-1 to test db read charges too

pub struct MockGasWeightMapping;

impl GasWeightMapping for MockGasWeightMapping {

}

impl pallet_evm::Config for Runtime {

	type FeeCalculator = ();

	type GasWeightMapping = MockGasWeightMapping;

	type WeightPerGas = WeightPerGas;

	type CallOrigin = EnsureAddressRoot<AccountId>;

	type WithdrawOrigin = EnsureAddressNever<AccountId>;

	type AddressMapping = AccountId;

	type Currency = Balances;

	type Runner = pallet_evm::runner::stack::Runner<Self>;

	type PrecompilesValue = PrecompilesValue;

	type PrecompilesType = Precompiles<Self>;

	type ChainId = ();

	type OnChargeTransaction = ();

	type BlockGasLimit = BlockGasLimit;

	type BlockHashMapping = pallet_evm::SubstrateBlockHashMapping<Self>;

	type FindAuthor = ();

	type OnCreate = ();

	type GasLimitPovSizeRatio = GasLimitPovSizeRatio;

	type GasLimitStorageGrowthRatio = GasLimitStorageGrowthRatio;

	type Timestamp = Timestamp;

	type WeightInfo = pallet_evm::weights::SubstrateWeight<Runtime>;

	type AccountProvider = FrameSystemAccountProvider<Runtime>;

	type CreateOriginFilter = ();

	type CreateInnerOriginFilter = ();

}

parameter_types! {

	pub const MinimumPeriod: u64 = 5;

}

impl pallet_timestamp::Config for Runtime {

	type Moment = u64;

	type OnTimestampSet = ();

	type MinimumPeriod = MinimumPeriod;

	type WeightInfo = ();

}

pub struct DoNothingRouter;

impl SendXcm for DoNothingRouter {

	type Ticket = ();

}

pub struct DummyAssetTransactor;

impl TransactAsset for DummyAssetTransactor {

}

pub struct DummyWeightTrader;

impl WeightTrader for DummyWeightTrader {

}

#[derive(

	Clone,

	Eq,

	Debug,

	PartialEq,

	Ord,

	PartialOrd,

	Encode,

	Decode,

	scale_info::TypeInfo,

	DecodeWithMemTracking,

)]

pub enum CurrencyId {

	SelfReserve,

	OtherReserve(AssetId),

}

parameter_types! {

	pub Ancestry: Location = Parachain(ParachainId::get().into()).into();

	pub const BaseXcmWeight: Weight = Weight::from_parts(1000u64, 1000u64);

	pub const RelayNetwork: NetworkId = NetworkId::Polkadot;

	pub SelfLocation: Location =

		Location::new(1, [Parachain(ParachainId::get().into())]);

	pub SelfReserve: Location = Location::new(

		1,

		[

			Parachain(ParachainId::get().into()),

			PalletInstance(

				<Runtime as frame_system::Config>::PalletInfo::index::<Balances>().unwrap() as u8

			)

		]);

	pub MaxInstructions: u32 = 100;

	pub UniversalLocation: InteriorLocation = Here;

	pub SelfLocationAbsolute: Location = Location {

		parents: 1,

		interior: [Parachain(ParachainId::get().into())].into(),

	};

}

impl pallet_xcm_transactor::Config for Runtime {

	type Balance = Balance;

	type Transactor = MockTransactors;

	type DerivativeAddressRegistrationOrigin = frame_system::EnsureRoot<AccountId>;

	type SovereignAccountDispatcherOrigin = frame_system::EnsureRoot<AccountId>;

	type CurrencyId = CurrencyId;

	type AccountIdToLocation = AccountIdToLocation;

	type CurrencyIdToLocation = CurrencyIdToLocation;

	type SelfLocation = SelfLocation;

	type Weigher = FixedWeightBounds<BaseXcmWeight, RuntimeCall, MaxInstructions>;

	type UniversalLocation = UniversalLocation;

	type BaseXcmWeight = BaseXcmWeight;

	type XcmSender = DoNothingRouter;

	type AssetTransactor = DummyAssetTransactor;

	type ReserveProvider = xcm_primitives::AbsoluteAndRelativeReserve<SelfLocationAbsolute>;

	type WeightInfo = ();

	type HrmpManipulatorOrigin = frame_system::EnsureRoot<AccountId>;

	type HrmpOpenOrigin = frame_system::EnsureRoot<AccountId>;

	type MaxHrmpFee = ();

}

// We need to use the encoding from the relay mock runtime

#[derive(Encode, Decode)]

pub enum RelayCall {

	#[codec(index = 5u8)]

	// the index should match the position of the module in `construct_runtime!`

	Utility(UtilityCall),

}

#[derive(Encode, Decode)]

pub enum UtilityCall {

	#[codec(index = 1u8)]

	AsDerivative(u16),

}

#[derive(

	Clone, Eq, Debug, PartialEq, Ord, PartialOrd, Encode, Decode, TypeInfo, DecodeWithMemTracking,

)]

pub enum MockTransactors {

	Relay,

}

impl TryFrom<u8> for MockTransactors {

	type Error = ();

		}

}

impl xcm_primitives::XcmTransact for MockTransactors {

		}

}

// Implement the trait, where we convert AccountId to AssetID

impl AccountIdToCurrencyId<AccountId, CurrencyId> for Runtime {

	/// The way to convert an account to assetId is by ensuring that the prefix is 0XFFFFFFFF

	/// and by taking the lowest 128 bits as the assetId

		}

}

pub struct CurrencyIdToLocation;

impl sp_runtime::traits::Convert<CurrencyId, Option<Location>> for CurrencyIdToLocation {

			CurrencyId::SelfReserve => {

			}

			// To distinguish between relay and others, specially for reserve asset

				} else {

				}

			}

		}

}

pub(crate) struct ExtBuilder {

	// endowed accounts with balances

	balances: Vec<(AccountId, Balance)>,

}

impl Default for ExtBuilder {

}

impl ExtBuilder {

}