use super::*;
use crate::{
	v1::{Command::UnlockNativeToken, Fee},
	SendError, SendMessageFeeProvider,
};
use frame_support::parameter_types;
use hex_literal::hex;
use snowbridge_core::AgentIdOf;
use sp_std::default::Default;
use xcm::{
	latest::{PEZKUWICHAIN_GENESIS_HASH, ZAGROS_GENESIS_HASH},
	prelude::SendError as XcmSendError,
};

parameter_types! {
	const MaxMessageSize: u32 = u32::MAX;
	const RelayNetwork: NetworkId = Pezkuwi;
	UniversalLocation: InteriorLocation = [GlobalConsensus(RelayNetwork::get()), Teyrchain(1013)].into();
	const BridgedNetwork: NetworkId =  Ethereum{ chain_id: 1 };
	const NonBridgedNetwork: NetworkId =  Ethereum{ chain_id: 2 };
}

struct MockOkOutboundQueue;
impl SendMessage for MockOkOutboundQueue {
	type Ticket = ();

	fn validate(_: &Message) -> Result<(Self::Ticket, Fee<Self::Balance>), SendError> {
		Ok(((), Fee { local: 1, remote: 1 }))
	}

	fn deliver(_: Self::Ticket) -> Result<H256, SendError> {
		Ok(H256::zero())
	}
}

impl SendMessageFeeProvider for MockOkOutboundQueue {
	type Balance = u128;

	fn local_fee() -> Self::Balance {
		1
	}
}
struct MockErrOutboundQueue;
impl SendMessage for MockErrOutboundQueue {
	type Ticket = ();

	fn validate(_: &Message) -> Result<(Self::Ticket, Fee<Self::Balance>), SendError> {
		Err(SendError::MessageTooLarge)
	}

	fn deliver(_: Self::Ticket) -> Result<H256, SendError> {
		Err(SendError::MessageTooLarge)
	}
}

impl SendMessageFeeProvider for MockErrOutboundQueue {
	type Balance = u128;

	fn local_fee() -> Self::Balance {
		1
	}
}

pub struct MockTokenIdConvert;
impl MaybeConvert<TokenId, Location> for MockTokenIdConvert {
	fn maybe_convert(_id: TokenId) -> Option<Location> {
		Some(Location::new(1, [GlobalConsensus(ByGenesis(ZAGROS_GENESIS_HASH))]))
	}
}

#[test]
fn exporter_validate_with_unknown_network_yields_not_applicable() {
	let network = Ethereum { chain_id: 1337 };
	let channel: u32 = 0;
	let mut universal_source: Option<InteriorLocation> = None;
	let mut destination: Option<InteriorLocation> = None;
	let mut message: Option<Xcm<()>> = None;

	let result =
		EthereumBlobExporter::<
			UniversalLocation,
			BridgedNetwork,
			MockOkOutboundQueue,
			AgentIdOf,
			MockTokenIdConvert,
		>::validate(network, channel, &mut universal_source, &mut destination, &mut message);
	assert_eq!(result, Err(XcmSendError::NotApplicable));
}

#[test]
fn exporter_validate_with_invalid_destination_yields_missing_argument() {
	let network = BridgedNetwork::get();
	let channel: u32 = 0;
	let mut universal_source: Option<InteriorLocation> = None;
	let mut destination: Option<InteriorLocation> = None;
	let mut message: Option<Xcm<()>> = None;

	let result =
		EthereumBlobExporter::<
			UniversalLocation,
			BridgedNetwork,
			MockOkOutboundQueue,
			AgentIdOf,
			MockTokenIdConvert,
		>::validate(network, channel, &mut universal_source, &mut destination, &mut message);
	assert_eq!(result, Err(XcmSendError::MissingArgument));
}

#[test]
fn exporter_validate_with_x8_destination_yields_not_applicable() {
	let network = BridgedNetwork::get();
	let channel: u32 = 0;
	let mut universal_source: Option<InteriorLocation> = None;
	let mut destination: Option<InteriorLocation> = Some(
		[OnlyChild, OnlyChild, OnlyChild, OnlyChild, OnlyChild, OnlyChild, OnlyChild, OnlyChild]
			.into(),
	);
	let mut message: Option<Xcm<()>> = None;

	let result =
		EthereumBlobExporter::<
			UniversalLocation,
			BridgedNetwork,
			MockOkOutboundQueue,
			AgentIdOf,
			MockTokenIdConvert,
		>::validate(network, channel, &mut universal_source, &mut destination, &mut message);
	assert_eq!(result, Err(XcmSendError::NotApplicable));
}

#[test]
fn exporter_validate_without_universal_source_yields_missing_argument() {
	let network = BridgedNetwork::get();
	let channel: u32 = 0;
	let mut universal_source: Option<InteriorLocation> = None;
	let mut destination: Option<InteriorLocation> = Here.into();
	let mut message: Option<Xcm<()>> = None;

	let result =
		EthereumBlobExporter::<
			UniversalLocation,
			BridgedNetwork,
			MockOkOutboundQueue,
			AgentIdOf,
			MockTokenIdConvert,
		>::validate(network, channel, &mut universal_source, &mut destination, &mut message);
	assert_eq!(result, Err(XcmSendError::MissingArgument));
}

#[test]
fn exporter_validate_without_global_universal_location_yields_not_applicable() {
	let network = BridgedNetwork::get();
	let channel: u32 = 0;
	let mut universal_source: Option<InteriorLocation> = Here.into();
	let mut destination: Option<InteriorLocation> = Here.into();
	let mut message: Option<Xcm<()>> = None;

	let result =
		EthereumBlobExporter::<
			UniversalLocation,
			BridgedNetwork,
			MockOkOutboundQueue,
			AgentIdOf,
			MockTokenIdConvert,
		>::validate(network, channel, &mut universal_source, &mut destination, &mut message);
	assert_eq!(result, Err(XcmSendError::NotApplicable));
}

#[test]
fn exporter_validate_without_global_bridge_location_yields_not_applicable() {
	let network = NonBridgedNetwork::get();
	let channel: u32 = 0;
	let mut universal_source: Option<InteriorLocation> = Here.into();
	let mut destination: Option<InteriorLocation> = Here.into();
	let mut message: Option<Xcm<()>> = None;

	let result =
		EthereumBlobExporter::<
			UniversalLocation,
			BridgedNetwork,
			MockOkOutboundQueue,
			AgentIdOf,
			MockTokenIdConvert,
		>::validate(network, channel, &mut universal_source, &mut destination, &mut message);
	assert_eq!(result, Err(XcmSendError::NotApplicable));
}

#[test]
fn exporter_validate_with_remote_universal_source_yields_not_applicable() {
	let network = BridgedNetwork::get();
	let channel: u32 = 0;
	let mut universal_source: Option<InteriorLocation> =
		Some([GlobalConsensus(Kusama), Teyrchain(1000)].into());
	let mut destination: Option<InteriorLocation> = Here.into();
	let mut message: Option<Xcm<()>> = None;

	let result =
		EthereumBlobExporter::<
			UniversalLocation,
			BridgedNetwork,
			MockOkOutboundQueue,
			AgentIdOf,
			MockTokenIdConvert,
		>::validate(network, channel, &mut universal_source, &mut destination, &mut message);
	assert_eq!(result, Err(XcmSendError::NotApplicable));
}

#[test]
fn exporter_validate_without_para_id_in_source_yields_not_applicable() {
	let network = BridgedNetwork::get();
	let channel: u32 = 0;
	let mut universal_source: Option<InteriorLocation> = Some(GlobalConsensus(Pezkuwi).into());
	let mut destination: Option<InteriorLocation> = Here.into();
	let mut message: Option<Xcm<()>> = None;

	let result =
		EthereumBlobExporter::<
			UniversalLocation,
			BridgedNetwork,
			MockOkOutboundQueue,
			AgentIdOf,
			MockTokenIdConvert,
		>::validate(network, channel, &mut universal_source, &mut destination, &mut message);
	assert_eq!(result, Err(XcmSendError::NotApplicable));
}

#[test]
fn exporter_validate_complex_para_id_in_source_yields_not_applicable() {
	let network = BridgedNetwork::get();
	let channel: u32 = 0;
	let mut universal_source: Option<InteriorLocation> =
		Some([GlobalConsensus(Pezkuwi), Teyrchain(1000), PalletInstance(12)].into());
	let mut destination: Option<InteriorLocation> = Here.into();
	let mut message: Option<Xcm<()>> = None;

	let result =
		EthereumBlobExporter::<
			UniversalLocation,
			BridgedNetwork,
			MockOkOutboundQueue,
			AgentIdOf,
			MockTokenIdConvert,
		>::validate(network, channel, &mut universal_source, &mut destination, &mut message);
	assert_eq!(result, Err(XcmSendError::NotApplicable));
}

#[test]
fn exporter_validate_without_xcm_message_yields_missing_argument() {
	let network = BridgedNetwork::get();
	let channel: u32 = 0;
	let mut universal_source: Option<InteriorLocation> =
		Some([GlobalConsensus(Pezkuwi), Teyrchain(1000)].into());
	let mut destination: Option<InteriorLocation> = Here.into();
	let mut message: Option<Xcm<()>> = None;

	let result =
		EthereumBlobExporter::<
			UniversalLocation,
			BridgedNetwork,
			MockOkOutboundQueue,
			AgentIdOf,
			MockTokenIdConvert,
		>::validate(network, channel, &mut universal_source, &mut destination, &mut message);
	assert_eq!(result, Err(XcmSendError::MissingArgument));
}

#[test]
fn exporter_validate_with_max_target_fee_yields_unroutable() {
	let network = BridgedNetwork::get();
	let mut destination: Option<InteriorLocation> = Here.into();

	let mut universal_source: Option<InteriorLocation> =
		Some([GlobalConsensus(Pezkuwi), Teyrchain(1000)].into());

	let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let channel: u32 = 0;
	let fee = Asset { id: AssetId(Here.into()), fun: Fungible(1000) };
	let fees: Assets = vec![fee.clone()].into();
	let assets: Assets = vec![Asset {
		id: AssetId(AccountKey20 { network: None, key: token_address }.into()),
		fun: Fungible(1000),
	}]
	.into();
	let filter: AssetFilter = assets.clone().into();

	let mut message: Option<Xcm<()>> = Some(
		vec![
			WithdrawAsset(fees),
			BuyExecution { fees: fee, weight_limit: Unlimited },
			WithdrawAsset(assets),
			DepositAsset {
				assets: filter,
				beneficiary: AccountKey20 { network: Some(network), key: beneficiary_address }
					.into(),
			},
			SetTopic([0; 32]),
		]
		.into(),
	);

	let result =
		EthereumBlobExporter::<
			UniversalLocation,
			BridgedNetwork,
			MockOkOutboundQueue,
			AgentIdOf,
			MockTokenIdConvert,
		>::validate(network, channel, &mut universal_source, &mut destination, &mut message);

	assert_eq!(result, Err(XcmSendError::Unroutable));
}

#[test]
fn exporter_validate_with_unparsable_xcm_yields_unroutable() {
	let network = BridgedNetwork::get();
	let mut destination: Option<InteriorLocation> = Here.into();

	let mut universal_source: Option<InteriorLocation> =
		Some([GlobalConsensus(Pezkuwi), Teyrchain(1000)].into());

	let channel: u32 = 0;
	let fee = Asset { id: AssetId(Here.into()), fun: Fungible(1000) };
	let fees: Assets = vec![fee.clone()].into();

	let mut message: Option<Xcm<()>> =
		Some(vec![WithdrawAsset(fees), BuyExecution { fees: fee, weight_limit: Unlimited }].into());

	let result =
		EthereumBlobExporter::<
			UniversalLocation,
			BridgedNetwork,
			MockOkOutboundQueue,
			AgentIdOf,
			MockTokenIdConvert,
		>::validate(network, channel, &mut universal_source, &mut destination, &mut message);

	assert_eq!(result, Err(XcmSendError::Unroutable));
}

#[test]
fn exporter_validate_xcm_success_case_1() {
	let network = BridgedNetwork::get();
	let mut destination: Option<InteriorLocation> = Here.into();

	let mut universal_source: Option<InteriorLocation> =
		Some([GlobalConsensus(Pezkuwi), Teyrchain(1000)].into());

	let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let channel: u32 = 0;
	let assets: Assets = vec![Asset {
		id: AssetId([AccountKey20 { network: None, key: token_address }].into()),
		fun: Fungible(1000),
	}]
	.into();
	let fee = assets.clone().get(0).unwrap().clone();
	let filter: AssetFilter = assets.clone().into();

	let mut message: Option<Xcm<()>> = Some(
		vec![
			WithdrawAsset(assets.clone()),
			ClearOrigin,
			BuyExecution { fees: fee, weight_limit: Unlimited },
			DepositAsset {
				assets: filter,
				beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
			},
			SetTopic([0; 32]),
		]
		.into(),
	);

	let result =
		EthereumBlobExporter::<
			UniversalLocation,
			BridgedNetwork,
			MockOkOutboundQueue,
			AgentIdOf,
			MockTokenIdConvert,
		>::validate(network, channel, &mut universal_source, &mut destination, &mut message);

	assert!(result.is_ok());
}

#[test]
fn exporter_deliver_with_submit_failure_yields_unroutable() {
	let result = EthereumBlobExporter::<
		UniversalLocation,
		BridgedNetwork,
		MockErrOutboundQueue,
		AgentIdOf,
		MockTokenIdConvert,
	>::deliver((hex!("deadbeef").to_vec(), XcmHash::default()));
	assert_eq!(result, Err(XcmSendError::Transport("other transport error")))
}

#[test]
fn xcm_converter_convert_success() {
	let network = BridgedNetwork::get();

	let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let assets: Assets = vec![Asset {
		id: AssetId([AccountKey20 { network: None, key: token_address }].into()),
		fun: Fungible(1000),
	}]
	.into();
	let filter: AssetFilter = assets.clone().into();

	let message: Xcm<()> = vec![
		WithdrawAsset(assets.clone()),
		ClearOrigin,
		BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
		DepositAsset {
			assets: filter,
			beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
		},
		SetTopic([0; 32]),
	]
	.into();
	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());
	let expected_payload = UnlockNativeToken {
		agent_id: Default::default(),
		token: token_address.into(),
		recipient: beneficiary_address.into(),
		amount: 1000,
	};
	let result = converter.convert();
	assert_eq!(result, Ok((expected_payload, [0; 32])));
}

#[test]
fn xcm_converter_convert_without_buy_execution_yields_success() {
	let network = BridgedNetwork::get();

	let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let assets: Assets = vec![Asset {
		id: AssetId([AccountKey20 { network: None, key: token_address }].into()),
		fun: Fungible(1000),
	}]
	.into();
	let filter: AssetFilter = assets.clone().into();

	let message: Xcm<()> = vec![
		WithdrawAsset(assets.clone()),
		DepositAsset {
			assets: filter,
			beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
		},
		SetTopic([0; 32]),
	]
	.into();
	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());
	let expected_payload = UnlockNativeToken {
		agent_id: Default::default(),
		token: token_address.into(),
		recipient: beneficiary_address.into(),
		amount: 1000,
	};
	let result = converter.convert();
	assert_eq!(result, Ok((expected_payload, [0; 32])));
}

#[test]
fn xcm_converter_convert_with_wildcard_all_asset_filter_succeeds() {
	let network = BridgedNetwork::get();

	let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let assets: Assets = vec![Asset {
		id: AssetId([AccountKey20 { network: None, key: token_address }].into()),
		fun: Fungible(1000),
	}]
	.into();
	let filter: AssetFilter = Wild(All);

	let message: Xcm<()> = vec![
		WithdrawAsset(assets.clone()),
		ClearOrigin,
		BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
		DepositAsset {
			assets: filter,
			beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
		},
		SetTopic([0; 32]),
	]
	.into();
	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());
	let expected_payload = UnlockNativeToken {
		agent_id: Default::default(),
		token: token_address.into(),
		recipient: beneficiary_address.into(),
		amount: 1000,
	};
	let result = converter.convert();
	assert_eq!(result, Ok((expected_payload, [0; 32])));
}

#[test]
fn xcm_converter_convert_with_native_eth_succeeds() {
	let network = BridgedNetwork::get();

	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	// The asset is `{ parents: 0, interior: X1(Here) }` relative to ethereum.
	let assets: Assets = vec![Asset { id: AssetId([].into()), fun: Fungible(1000) }].into();
	let filter: AssetFilter = Wild(All);

	let message: Xcm<()> = vec![
		WithdrawAsset(assets.clone()),
		ClearOrigin,
		BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
		DepositAsset {
			assets: filter,
			beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
		},
		SetTopic([0; 32]),
	]
	.into();

	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());

	// The token address that is expected to be sent should be
	// `0x0000000000000000000000000000000000000000`. The solidity will
	// interpret this as a transfer of ETH.
	let expected_payload = UnlockNativeToken {
		agent_id: Default::default(),
		token: H160([0; 20]),
		recipient: beneficiary_address.into(),
		amount: 1000,
	};
	let result = converter.convert();
	assert_eq!(result, Ok((expected_payload, [0; 32])));
}

#[test]
fn xcm_converter_convert_with_fees_less_than_reserve_yields_success() {
	let network = BridgedNetwork::get();

	let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let asset_location: Location = [AccountKey20 { network: None, key: token_address }].into();
	let fee_asset = Asset { id: AssetId(asset_location.clone()), fun: Fungible(500) };

	let assets: Assets = vec![Asset { id: AssetId(asset_location), fun: Fungible(1000) }].into();

	let filter: AssetFilter = assets.clone().into();

	let message: Xcm<()> = vec![
		WithdrawAsset(assets.clone()),
		ClearOrigin,
		BuyExecution { fees: fee_asset, weight_limit: Unlimited },
		DepositAsset {
			assets: filter,
			beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
		},
		SetTopic([0; 32]),
	]
	.into();
	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());
	let expected_payload = UnlockNativeToken {
		agent_id: Default::default(),
		token: token_address.into(),
		recipient: beneficiary_address.into(),
		amount: 1000,
	};
	let result = converter.convert();
	assert_eq!(result, Ok((expected_payload, [0; 32])));
}

#[test]
fn xcm_converter_convert_without_set_topic_yields_set_topic_expected() {
	let network = BridgedNetwork::get();

	let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let assets: Assets = vec![Asset {
		id: AssetId([AccountKey20 { network: None, key: token_address }].into()),
		fun: Fungible(1000),
	}]
	.into();
	let filter: AssetFilter = assets.clone().into();

	let message: Xcm<()> = vec![
		WithdrawAsset(assets.clone()),
		BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
		DepositAsset {
			assets: filter,
			beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
		},
		ClearTopic,
	]
	.into();
	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());
	let result = converter.convert();
	assert_eq!(result.err(), Some(XcmConverterError::SetTopicExpected));
}

#[test]
fn xcm_converter_convert_with_partial_message_yields_unexpected_end_of_xcm() {
	let network = BridgedNetwork::get();

	let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
	let assets: Assets = vec![Asset {
		id: AssetId([AccountKey20 { network: None, key: token_address }].into()),
		fun: Fungible(1000),
	}]
	.into();
	let message: Xcm<()> = vec![WithdrawAsset(assets)].into();

	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());
	let result = converter.convert();
	assert_eq!(result.err(), Some(XcmConverterError::UnexpectedEndOfXcm));
}

#[test]
fn xcm_converter_with_different_fee_asset_fails() {
	let network = BridgedNetwork::get();

	let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let asset_location = [AccountKey20 { network: None, key: token_address }].into();
	let fee_asset =
		Asset { id: AssetId(Location { parents: 0, interior: Here }), fun: Fungible(1000) };

	let assets: Assets = vec![Asset { id: AssetId(asset_location), fun: Fungible(1000) }].into();

	let filter: AssetFilter = assets.clone().into();

	let message: Xcm<()> = vec![
		WithdrawAsset(assets.clone()),
		ClearOrigin,
		BuyExecution { fees: fee_asset, weight_limit: Unlimited },
		DepositAsset {
			assets: filter,
			beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
		},
		SetTopic([0; 32]),
	]
	.into();
	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());
	let result = converter.convert();
	assert_eq!(result.err(), Some(XcmConverterError::InvalidFeeAsset));
}

#[test]
fn xcm_converter_with_fees_greater_than_reserve_fails() {
	let network = BridgedNetwork::get();

	let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let asset_location: Location = [AccountKey20 { network: None, key: token_address }].into();
	let fee_asset = Asset { id: AssetId(asset_location.clone()), fun: Fungible(1001) };

	let assets: Assets = vec![Asset { id: AssetId(asset_location), fun: Fungible(1000) }].into();

	let filter: AssetFilter = assets.clone().into();

	let message: Xcm<()> = vec![
		WithdrawAsset(assets.clone()),
		ClearOrigin,
		BuyExecution { fees: fee_asset, weight_limit: Unlimited },
		DepositAsset {
			assets: filter,
			beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
		},
		SetTopic([0; 32]),
	]
	.into();
	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());
	let result = converter.convert();
	assert_eq!(result.err(), Some(XcmConverterError::InvalidFeeAsset));
}

#[test]
fn xcm_converter_convert_with_empty_xcm_yields_unexpected_end_of_xcm() {
	let network = BridgedNetwork::get();

	let message: Xcm<()> = vec![].into();

	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());

	let result = converter.convert();
	assert_eq!(result.err(), Some(XcmConverterError::UnexpectedEndOfXcm));
}

#[test]
fn xcm_converter_convert_with_extra_instructions_yields_end_of_xcm_message_expected() {
	let network = BridgedNetwork::get();

	let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let assets: Assets = vec![Asset {
		id: AssetId([AccountKey20 { network: None, key: token_address }].into()),
		fun: Fungible(1000),
	}]
	.into();
	let filter: AssetFilter = assets.clone().into();

	let message: Xcm<()> = vec![
		WithdrawAsset(assets.clone()),
		ClearOrigin,
		BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
		DepositAsset {
			assets: filter,
			beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
		},
		SetTopic([0; 32]),
		ClearError,
	]
	.into();
	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());

	let result = converter.convert();
	assert_eq!(result.err(), Some(XcmConverterError::EndOfXcmMessageExpected));
}

#[test]
fn xcm_converter_convert_without_withdraw_asset_yields_withdraw_expected() {
	let network = BridgedNetwork::get();

	let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let assets: Assets = vec![Asset {
		id: AssetId([AccountKey20 { network: None, key: token_address }].into()),
		fun: Fungible(1000),
	}]
	.into();
	let filter: AssetFilter = assets.clone().into();

	let message: Xcm<()> = vec![
		ClearOrigin,
		BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
		DepositAsset {
			assets: filter,
			beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
		},
		SetTopic([0; 32]),
	]
	.into();
	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());

	let result = converter.convert();
	assert_eq!(result.err(), Some(XcmConverterError::UnexpectedInstruction));
}

#[test]
fn xcm_converter_convert_without_withdraw_asset_yields_deposit_expected() {
	let network = BridgedNetwork::get();

	let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");

	let assets: Assets = vec![Asset {
		id: AssetId(AccountKey20 { network: None, key: token_address }.into()),
		fun: Fungible(1000),
	}]
	.into();

	let message: Xcm<()> = vec![
		WithdrawAsset(assets.clone()),
		ClearOrigin,
		BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
		SetTopic([0; 32]),
	]
	.into();
	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());

	let result = converter.convert();
	assert_eq!(result.err(), Some(XcmConverterError::DepositAssetExpected));
}

#[test]
fn xcm_converter_convert_without_assets_yields_no_reserve_assets() {
	let network = BridgedNetwork::get();

	let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");

	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let assets: Assets = vec![].into();
	let filter: AssetFilter = assets.clone().into();

	let fee = Asset {
		id: AssetId(AccountKey20 { network: None, key: token_address }.into()),
		fun: Fungible(1000),
	};

	let message: Xcm<()> = vec![
		WithdrawAsset(assets.clone()),
		ClearOrigin,
		BuyExecution { fees: fee, weight_limit: Unlimited },
		DepositAsset {
			assets: filter,
			beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
		},
		SetTopic([0; 32]),
	]
	.into();
	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());

	let result = converter.convert();
	assert_eq!(result.err(), Some(XcmConverterError::NoReserveAssets));
}

#[test]
fn xcm_converter_convert_with_two_assets_yields_too_many_assets() {
	let network = BridgedNetwork::get();

	let token_address_1: [u8; 20] = hex!("1000000000000000000000000000000000000000");
	let token_address_2: [u8; 20] = hex!("1100000000000000000000000000000000000000");
	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let assets: Assets = vec![
		Asset {
			id: AssetId(AccountKey20 { network: None, key: token_address_1 }.into()),
			fun: Fungible(1000),
		},
		Asset {
			id: AssetId(AccountKey20 { network: None, key: token_address_2 }.into()),
			fun: Fungible(500),
		},
	]
	.into();
	let filter: AssetFilter = assets.clone().into();

	let message: Xcm<()> = vec![
		WithdrawAsset(assets.clone()),
		ClearOrigin,
		BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
		DepositAsset {
			assets: filter,
			beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
		},
		SetTopic([0; 32]),
	]
	.into();
	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());

	let result = converter.convert();
	assert_eq!(result.err(), Some(XcmConverterError::TooManyAssets));
}

#[test]
fn xcm_converter_convert_without_consuming_filter_yields_filter_does_not_consume_all_assets() {
	let network = BridgedNetwork::get();

	let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let assets: Assets = vec![Asset {
		id: AssetId(AccountKey20 { network: None, key: token_address }.into()),
		fun: Fungible(1000),
	}]
	.into();
	let filter: AssetFilter = Wild(WildAsset::AllCounted(0));

	let message: Xcm<()> = vec![
		WithdrawAsset(assets.clone()),
		ClearOrigin,
		BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
		DepositAsset {
			assets: filter,
			beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
		},
		SetTopic([0; 32]),
	]
	.into();
	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());

	let result = converter.convert();
	assert_eq!(result.err(), Some(XcmConverterError::FilterDoesNotConsumeAllAssets));
}

#[test]
fn xcm_converter_convert_with_zero_amount_asset_yields_zero_asset_transfer() {
	let network = BridgedNetwork::get();

	let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let assets: Assets = vec![Asset {
		id: AssetId(AccountKey20 { network: None, key: token_address }.into()),
		fun: Fungible(0),
	}]
	.into();
	let filter: AssetFilter = Wild(WildAsset::AllCounted(1));

	let message: Xcm<()> = vec![
		WithdrawAsset(assets.clone()),
		ClearOrigin,
		BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
		DepositAsset {
			assets: filter,
			beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
		},
		SetTopic([0; 32]),
	]
	.into();
	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());

	let result = converter.convert();
	assert_eq!(result.err(), Some(XcmConverterError::ZeroAssetTransfer));
}

#[test]
fn xcm_converter_convert_non_ethereum_asset_yields_asset_resolution_failed() {
	let network = BridgedNetwork::get();

	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let assets: Assets = vec![Asset {
		id: AssetId([GlobalConsensus(Pezkuwi), Teyrchain(1000), GeneralIndex(0)].into()),
		fun: Fungible(1000),
	}]
	.into();
	let filter: AssetFilter = Wild(WildAsset::AllCounted(1));

	let message: Xcm<()> = vec![
		WithdrawAsset(assets.clone()),
		ClearOrigin,
		BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
		DepositAsset {
			assets: filter,
			beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
		},
		SetTopic([0; 32]),
	]
	.into();
	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());

	let result = converter.convert();
	assert_eq!(result.err(), Some(XcmConverterError::AssetResolutionFailed));
}

#[test]
fn xcm_converter_convert_non_ethereum_chain_asset_yields_asset_resolution_failed() {
	let network = BridgedNetwork::get();

	let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let assets: Assets = vec![Asset {
		id: AssetId(
			AccountKey20 { network: Some(Ethereum { chain_id: 2 }), key: token_address }.into(),
		),
		fun: Fungible(1000),
	}]
	.into();
	let filter: AssetFilter = Wild(WildAsset::AllCounted(1));

	let message: Xcm<()> = vec![
		WithdrawAsset(assets.clone()),
		ClearOrigin,
		BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
		DepositAsset {
			assets: filter,
			beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
		},
		SetTopic([0; 32]),
	]
	.into();
	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());

	let result = converter.convert();
	assert_eq!(result.err(), Some(XcmConverterError::AssetResolutionFailed));
}

#[test]
fn xcm_converter_convert_non_ethereum_chain_yields_asset_resolution_failed() {
	let network = BridgedNetwork::get();

	let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let assets: Assets = vec![Asset {
		id: AssetId(
			[AccountKey20 { network: Some(NonBridgedNetwork::get()), key: token_address }].into(),
		),
		fun: Fungible(1000),
	}]
	.into();
	let filter: AssetFilter = Wild(WildAsset::AllCounted(1));

	let message: Xcm<()> = vec![
		WithdrawAsset(assets.clone()),
		ClearOrigin,
		BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
		DepositAsset {
			assets: filter,
			beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
		},
		SetTopic([0; 32]),
	]
	.into();
	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());

	let result = converter.convert();
	assert_eq!(result.err(), Some(XcmConverterError::AssetResolutionFailed));
}

#[test]
fn xcm_converter_convert_with_non_ethereum_beneficiary_yields_beneficiary_resolution_failed() {
	let network = BridgedNetwork::get();

	let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");

	let beneficiary_address: [u8; 32] =
		hex!("2000000000000000000000000000000000000000000000000000000000000000");

	let assets: Assets = vec![Asset {
		id: AssetId(AccountKey20 { network: None, key: token_address }.into()),
		fun: Fungible(1000),
	}]
	.into();
	let filter: AssetFilter = Wild(WildAsset::AllCounted(1));
	let message: Xcm<()> = vec![
		WithdrawAsset(assets.clone()),
		ClearOrigin,
		BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
		DepositAsset {
			assets: filter,
			beneficiary: [
				GlobalConsensus(Pezkuwi),
				Teyrchain(1000),
				AccountId32 { network: Some(Pezkuwi), id: beneficiary_address },
			]
			.into(),
		},
		SetTopic([0; 32]),
	]
	.into();
	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());

	let result = converter.convert();
	assert_eq!(result.err(), Some(XcmConverterError::BeneficiaryResolutionFailed));
}

#[test]
fn xcm_converter_convert_with_non_ethereum_chain_beneficiary_yields_beneficiary_resolution_failed()
{
	let network = BridgedNetwork::get();

	let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let assets: Assets = vec![Asset {
		id: AssetId(AccountKey20 { network: None, key: token_address }.into()),
		fun: Fungible(1000),
	}]
	.into();
	let filter: AssetFilter = Wild(WildAsset::AllCounted(1));

	let message: Xcm<()> = vec![
		WithdrawAsset(assets.clone()),
		ClearOrigin,
		BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
		DepositAsset {
			assets: filter,
			beneficiary: AccountKey20 {
				network: Some(Ethereum { chain_id: 2 }),
				key: beneficiary_address,
			}
			.into(),
		},
		SetTopic([0; 32]),
	]
	.into();
	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());

	let result = converter.convert();
	assert_eq!(result.err(), Some(XcmConverterError::BeneficiaryResolutionFailed));
}

#[test]
fn test_describe_asset_hub() {
	let legacy_location: Location = Location::new(0, [Teyrchain(1000)]);
	let legacy_agent_id = AgentIdOf::convert_location(&legacy_location).unwrap();
	assert_eq!(
		legacy_agent_id,
		hex!("72456f48efed08af20e5b317abf8648ac66e86bb90a411d9b0b713f7364b75b4").into()
	);
	let location: Location = Location::new(1, [Teyrchain(1000)]);
	let agent_id = AgentIdOf::convert_location(&location).unwrap();
	assert_eq!(
		agent_id,
		hex!("81c5ab2571199e3188135178f3c2c8e2d268be1313d029b30f534fa579b69b79").into()
	)
}

#[test]
fn test_describe_here() {
	let location: Location = Location::new(0, []);
	let agent_id = AgentIdOf::convert_location(&location).unwrap();
	assert_eq!(
		agent_id,
		hex!("03170a2e7597b7b7e3d84c05391d139a62b157e78786d8c082f29dcf4c111314").into()
	)
}

#[test]
fn xcm_converter_transfer_native_token_success() {
	let network = BridgedNetwork::get();

	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let amount = 1000000;
	let asset_location = Location::new(1, [GlobalConsensus(ByGenesis(ZAGROS_GENESIS_HASH))]);
	let token_id = TokenIdOf::convert_location(&asset_location).unwrap();

	let assets: Assets = vec![Asset { id: AssetId(asset_location), fun: Fungible(amount) }].into();
	let filter: AssetFilter = assets.clone().into();

	let message: Xcm<()> = vec![
		ReserveAssetDeposited(assets.clone()),
		ClearOrigin,
		BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
		DepositAsset {
			assets: filter,
			beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
		},
		SetTopic([0; 32]),
	]
	.into();
	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());
	let expected_payload =
		Command::MintForeignToken { recipient: beneficiary_address.into(), amount, token_id };
	let result = converter.convert();
	assert_eq!(result, Ok((expected_payload, [0; 32])));
}

#[test]
fn xcm_converter_transfer_native_token_with_invalid_location_will_fail() {
	let network = BridgedNetwork::get();

	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let amount = 1000000;
	// Invalid asset location from a different consensus
	let asset_location = Location {
		parents: 2,
		interior: [GlobalConsensus(ByGenesis(PEZKUWICHAIN_GENESIS_HASH))].into(),
	};

	let assets: Assets = vec![Asset { id: AssetId(asset_location), fun: Fungible(amount) }].into();
	let filter: AssetFilter = assets.clone().into();

	let message: Xcm<()> = vec![
		ReserveAssetDeposited(assets.clone()),
		ClearOrigin,
		BuyExecution { fees: assets.get(0).unwrap().clone(), weight_limit: Unlimited },
		DepositAsset {
			assets: filter,
			beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
		},
		SetTopic([0; 32]),
	]
	.into();
	let mut converter =
		XcmConverter::<MockTokenIdConvert, ()>::new(&message, network, Default::default());
	let result = converter.convert();
	assert_eq!(result.err(), Some(XcmConverterError::InvalidAsset));
}

#[test]
fn exporter_validate_with_invalid_dest_does_not_alter_destination() {
	let network = BridgedNetwork::get();
	let destination: InteriorLocation = Teyrchain(1000).into();

	let universal_source: InteriorLocation = [GlobalConsensus(Pezkuwi), Teyrchain(1000)].into();

	let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let channel: u32 = 0;
	let assets: Assets = vec![Asset {
		id: AssetId([AccountKey20 { network: None, key: token_address }].into()),
		fun: Fungible(1000),
	}]
	.into();
	let fee = assets.clone().get(0).unwrap().clone();
	let filter: AssetFilter = assets.clone().into();
	let msg: Xcm<()> = vec![
		WithdrawAsset(assets.clone()),
		ClearOrigin,
		BuyExecution { fees: fee, weight_limit: Unlimited },
		DepositAsset {
			assets: filter,
			beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
		},
		SetTopic([0; 32]),
	]
	.into();
	let mut msg_wrapper: Option<Xcm<()>> = Some(msg.clone());
	let mut dest_wrapper = Some(destination.clone());
	let mut universal_source_wrapper = Some(universal_source.clone());

	let result =
		EthereumBlobExporter::<
			UniversalLocation,
			BridgedNetwork,
			MockOkOutboundQueue,
			AgentIdOf,
			MockTokenIdConvert,
		>::validate(
			network, channel, &mut universal_source_wrapper, &mut dest_wrapper, &mut msg_wrapper
		);

	assert_eq!(result, Err(XcmSendError::NotApplicable));

	// ensure mutable variables are not changed
	assert_eq!(Some(destination), dest_wrapper);
	assert_eq!(Some(msg), msg_wrapper);
	assert_eq!(Some(universal_source), universal_source_wrapper);
}

#[test]
fn exporter_validate_with_invalid_universal_source_does_not_alter_universal_source() {
	let network = BridgedNetwork::get();
	let destination: InteriorLocation = Here.into();

	let universal_source: InteriorLocation =
		[GlobalConsensus(ByGenesis(ZAGROS_GENESIS_HASH)), Teyrchain(1000)].into();

	let token_address: [u8; 20] = hex!("1000000000000000000000000000000000000000");
	let beneficiary_address: [u8; 20] = hex!("2000000000000000000000000000000000000000");

	let channel: u32 = 0;
	let assets: Assets = vec![Asset {
		id: AssetId([AccountKey20 { network: None, key: token_address }].into()),
		fun: Fungible(1000),
	}]
	.into();
	let fee = assets.clone().get(0).unwrap().clone();
	let filter: AssetFilter = assets.clone().into();
	let msg: Xcm<()> = vec![
		WithdrawAsset(assets.clone()),
		ClearOrigin,
		BuyExecution { fees: fee, weight_limit: Unlimited },
		DepositAsset {
			assets: filter,
			beneficiary: AccountKey20 { network: None, key: beneficiary_address }.into(),
		},
		SetTopic([0; 32]),
	]
	.into();
	let mut msg_wrapper: Option<Xcm<()>> = Some(msg.clone());
	let mut dest_wrapper = Some(destination.clone());
	let mut universal_source_wrapper = Some(universal_source.clone());

	let result =
		EthereumBlobExporter::<
			UniversalLocation,
			BridgedNetwork,
			MockOkOutboundQueue,
			AgentIdOf,
			MockTokenIdConvert,
		>::validate(
			network, channel, &mut universal_source_wrapper, &mut dest_wrapper, &mut msg_wrapper
		);

	assert_eq!(result, Err(XcmSendError::NotApplicable));

	// ensure mutable variables are not changed
	assert_eq!(Some(destination), dest_wrapper);
	assert_eq!(Some(msg), msg_wrapper);
	assert_eq!(Some(universal_source), universal_source_wrapper);
}