// SPDX-License-Identifier: MIT
pragma solidity >=0.7.6 <0.9;
pragma abicoder v2;

import "./ftso/interface/IIFtso.sol";
import "./genesis/interface/IFtsoRegistryGenesis.sol";

interface IFtsoRegistry is IFtsoRegistryGenesis {
    struct PriceInfo {
        uint256 ftsoIndex;
        uint256 price;
        uint256 decimals;
        uint256 timestamp;
    }

    function getFtso(
        uint256 _ftsoIndex
    ) external view returns (IIFtso _activeFtsoAddress);
    function getFtsoBySymbol(
        string memory _symbol
    ) external view returns (IIFtso _activeFtsoAddress);
    function getSupportedIndices()
        external
        view
        returns (uint256[] memory _supportedIndices);
    function getSupportedSymbols()
        external
        view
        returns (string[] memory _supportedSymbols);
    function getSupportedFtsos() external view returns (IIFtso[] memory _ftsos);
    function getFtsoIndex(
        string memory _symbol
    ) external view returns (uint256 _assetIndex);
    function getFtsoSymbol(
        uint256 _ftsoIndex
    ) external view returns (string memory _symbol);
    function getCurrentPrice(
        uint256 _ftsoIndex
    ) external view returns (uint256 _price, uint256 _timestamp);
    function getCurrentPrice(
        string memory _symbol
    ) external view returns (uint256 _price, uint256 _timestamp);
    function getCurrentPriceWithDecimals(
        uint256 _assetIndex
    )
        external
        view
        returns (
            uint256 _price,
            uint256 _timestamp,
            uint256 _assetPriceUsdDecimals
        );
    function getCurrentPriceWithDecimals(
        string memory _symbol
    )
        external
        view
        returns (
            uint256 _price,
            uint256 _timestamp,
            uint256 _assetPriceUsdDecimals
        );

    function getAllCurrentPrices() external view returns (PriceInfo[] memory);
    function getCurrentPricesByIndices(
        uint256[] memory _indices
    ) external view returns (PriceInfo[] memory);
    function getCurrentPricesBySymbols(
        string[] memory _symbols
    ) external view returns (PriceInfo[] memory);

    function getSupportedIndicesAndFtsos()
        external
        view
        returns (uint256[] memory _supportedIndices, IIFtso[] memory _ftsos);

    function getSupportedSymbolsAndFtsos()
        external
        view
        returns (string[] memory _supportedSymbols, IIFtso[] memory _ftsos);

    function getSupportedIndicesAndSymbols()
        external
        view
        returns (
            uint256[] memory _supportedIndices,
            string[] memory _supportedSymbols
        );

    function getSupportedIndicesSymbolsAndFtsos()
        external
        view
        returns (
            uint256[] memory _supportedIndices,
            string[] memory _supportedSymbols,
            IIFtso[] memory _ftsos
        );
}