import type { Dnum } from 'dnum';
import type { PaymentMethod } from '../../domains/paymentMethods';
import type { FunkitCheckoutQuoteResult } from '../../domains/quote';
export declare enum QuoteMode {
    EXACT_IN = "EXACT_IN",
    EXACT_OUT = "EXACT_OUT",
    ONE_TO_ONE = "ONE_TO_ONE"
}
export declare enum QuoteBuildType {
    EXACT_IN = "exactIn",
    EXACT_OUT = "exactOut"
}
export declare enum RetryActionType {
    CALIBRATE_AMOUNT = "calibrateAmount",
    REFETCH_BALANCE = "refetchBalance",
    GIVE_UP = "giveUp"
}
export declare enum RetryErrorReason {
    INSUFFICIENT_BALANCE = "insufficientBalance",
    INSUFFICIENT_AMOUNT = "insufficientAmount",
    INTERNAL = "internal"
}
export declare enum QuickOptionType {
    SET_TOKEN_AMOUNT = "setTokenAmount",
    SET_FIAT_AMOUNT = "setFiatAmount"
}
export interface QuoteRetryError {
    reason: RetryErrorReason;
    maxTargetAssetAmount?: Dnum;
    minTargetAssetAmount?: Dnum;
}
export type QuoteBuildResult = {
    type: QuoteBuildType.EXACT_IN;
    fromAmountBaseUnit: string;
} | {
    type: QuoteBuildType.EXACT_OUT;
    toAmountBaseUnit: string;
};
export type RetryAction = {
    type: RetryActionType.CALIBRATE_AMOUNT;
    newAmountBaseUnit: Dnum;
} | {
    type: RetryActionType.REFETCH_BALANCE;
} | {
    type: RetryActionType.GIVE_UP;
};
export interface QuoteDisplayAmounts {
    /** The primary dollar/token amount shown at the top of the confirmation screen */
    confirmationScreenDisplayAmount: string;
    /** "You send" line */
    sendAmount: string;
    /** "You receive" line — null when the value cannot be derived (e.g. missing metadata) */
    receiveAmount: string | null;
    /** Whether the send amount is exact (vs estimated) */
    isSendExact: boolean;
    /** Whether the receive amount is exact (vs estimated) */
    isReceiveExact: boolean;
    /** Total fees in USD. '0' for ONE_TO_ONE */
    feesUsd: string;
}
export interface MaxSendableParams {
    /** Token balance as a Dnum */
    tokenBalanceBaseUnit: Dnum;
    /** Whether the token is the chain's native token (ETH, MATIC, etc.) */
    isNativeToken: boolean;
    /** Estimated gas price in wei (required for native tokens) */
    gasEstimateWei?: Dnum;
    /** Token price in USD (used for fee estimation in token terms) */
    unitPrice: number;
    /** Checkout target chain ID */
    targetChainId: string;
    /** Source asset chain ID */
    assetChainId: string;
    /** Payment method */
    paymentMethod: PaymentMethod | undefined;
}
export interface UsdAvailableAmountParams {
    /** Source asset USD value */
    assetUsdAmount: number | null | undefined;
    /** Checkout target chain ID */
    targetChainId: string;
    /** Source asset chain ID */
    assetChainId: string | undefined;
    /** Payment method */
    paymentMethod: PaymentMethod | undefined;
}
export interface QuoteBuilder {
    readonly mode: QuoteMode;
    /** Whether the quote mode is EXACT_IN */
    isExactIn(): boolean;
    /** Compute the USD available amount for the source asset, accounting for fees where applicable */
    getUsdAvailableAmount(params: UsdAvailableAmountParams): number | null;
    /** Compute max sendable token amount for the max button */
    getMaxSendableAmount(params: MaxSendableParams): Dnum;
    /** Build the quote request params from the user's input */
    buildQuoteRequest(params: {
        tokenAmountBaseUnit: Dnum;
    }): QuoteBuildResult;
    /** Handle quote failure. Returns action to take. */
    handleRetry(params: {
        error: QuoteRetryError;
    }): RetryAction;
    /** Derive display amounts for confirmation screen. */
    getDisplayAmounts(params: {
        quote: FunkitCheckoutQuoteResult;
        /** The user's input in human-readable form (e.g., 15.9) */
        inputAmount: number;
        /** Target asset ticker (e.g. "USDC") — used for stablecoin display logic */
        targetAssetTicker: string;
    }): QuoteDisplayAmounts;
    /** Whether the confirmation screen can show a dollar amount before the quote resolves */
    hasKnownAmountBeforeQuote(config: {
        targetAssetAmount?: number;
        targetAssetTicker: string;
    }): boolean;
    /** Compute the token/fiat amount for a quick-option percentage button.
     *  Returns the action to dispatch to the state reducer. */
    computeQuickOptionAmount(params: {
        percentage: number;
        tokenBalanceBaseUnit: Dnum | null;
        frozenUnitPrice: number | null;
        usdAvailableAmount: number | null;
        maxSendableAmount: Dnum | null;
    }): {
        type: QuickOptionType.SET_TOKEN_AMOUNT;
        tokenAmountBaseUnit: Dnum;
        frozenUnitPrice: number;
    } | {
        type: QuickOptionType.SET_FIAT_AMOUNT;
        fiatAmount: number;
    };
}