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pub use primitives::redeem::{RedeemRequest, RedeemRequestStatus};
use primitives::VaultId;
use scale_info::TypeInfo;
use sp_runtime::DispatchError;
use vault_registry::types::CurrencyId;

use crate::Config;
use codec::{Decode, Encode, MaxEncodedLen};
use currency::Amount;
use frame_system::pallet_prelude::BlockNumberFor;

/// Storage version.
#[derive(Encode, Decode, Eq, PartialEq, TypeInfo, MaxEncodedLen)]
pub enum Version {
    /// Initial version.
    V0,
}

pub(crate) type BalanceOf<T> = <T as currency::Config>::Balance;

pub(crate) type DefaultVaultId<T> = VaultId<<T as frame_system::Config>::AccountId, CurrencyId<T>>;

pub type DefaultRedeemRequest<T> =
    RedeemRequest<<T as frame_system::Config>::AccountId, BlockNumberFor<T>, BalanceOf<T>, CurrencyId<T>>;

pub trait RedeemRequestExt<T: Config> {
    fn amount_btc(&self) -> Amount<T>;
    fn fee(&self) -> Amount<T>;
    fn premium(&self) -> Result<Amount<T>, DispatchError>;
    fn transfer_fee_btc(&self) -> Amount<T>;
}

impl<T: Config> RedeemRequestExt<T> for RedeemRequest<T::AccountId, BlockNumberFor<T>, BalanceOf<T>, CurrencyId<T>> {
    fn amount_btc(&self) -> Amount<T> {
        Amount::new(self.amount_btc, self.vault.wrapped_currency())
    }
    fn fee(&self) -> Amount<T> {
        Amount::new(self.fee, self.vault.wrapped_currency())
    }
    fn premium(&self) -> Result<Amount<T>, DispatchError> {
        Ok(Amount::new(self.premium, self.vault.collateral_currency()))
    }
    fn transfer_fee_btc(&self) -> Amount<T> {
        Amount::new(self.transfer_fee_btc, self.vault.wrapped_currency())
    }
}