pragma solidity ^0.5.16;
pragma experimental ABIEncoderV2;

import "./IPerpsV2MarketBaseTypes.sol";

interface IPerpsV2MarketViews {
    /* ---------- Market Details ---------- */

    function marketKey() external view returns (bytes32 key);

    function baseAsset() external view returns (bytes32 key);

    function marketSize() external view returns (uint128 size);

    function marketSkew() external view returns (int128 skew);

    function fundingLastRecomputed() external view returns (uint32 timestamp);

    function fundingRateLastRecomputed() external view returns (int128 fundingRate);

    function fundingSequence(uint index) external view returns (int128 netFunding);

    function positions(address account) external view returns (IPerpsV2MarketBaseTypes.Position memory);

    function delayedOrders(address account) external view returns (IPerpsV2MarketBaseTypes.DelayedOrder memory);

    function assetPrice() external view returns (uint price, bool invalid);

    function fillPrice(int sizeDelta) external view returns (uint price, bool invalid);

    function marketSizes() external view returns (uint long, uint short);

    function marketDebt() external view returns (uint debt, bool isInvalid);

    function currentFundingRate() external view returns (int fundingRate);

    function currentFundingVelocity() external view returns (int fundingVelocity);

    function unrecordedFunding() external view returns (int funding, bool invalid);

    function fundingSequenceLength() external view returns (uint length);

    /* ---------- Position Details ---------- */

    function notionalValue(address account) external view returns (int value, bool invalid);

    function profitLoss(address account) external view returns (int pnl, bool invalid);

    function accruedFunding(address account) external view returns (int funding, bool invalid);

    function remainingMargin(address account) external view returns (uint marginRemaining, bool invalid);

    function accessibleMargin(address account) external view returns (uint marginAccessible, bool invalid);

    function liquidationPrice(address account) external view returns (uint price, bool invalid);

    function liquidationFee(address account) external view returns (uint);

    function isFlagged(address account) external view returns (bool);

    function canLiquidate(address account) external view returns (bool);

    function orderFee(int sizeDelta, IPerpsV2MarketBaseTypes.OrderType orderType)
        external
        view
        returns (uint fee, bool invalid);

    function postTradeDetails(
        int sizeDelta,
        uint tradePrice,
        IPerpsV2MarketBaseTypes.OrderType orderType,
        address sender
    )
        external
        view
        returns (
            uint margin,
            int size,
            uint price,
            uint liqPrice,
            uint fee,
            IPerpsV2MarketBaseTypes.Status status
        );
}