/*

    Copyright 2020 DODO ZOO.
    SPDX-License-Identifier: Apache-2.0

*/

pragma solidity 0.6.9;
pragma experimental ABIEncoderV2;

import {InitializableOwnable} from "../lib/InitializableOwnable.sol";
import {ICloneFactory} from "../lib/CloneFactory.sol";
import {IDVM} from "../DODOVendingMachine/intf/IDVM.sol";

// 这一部分最后写，先把前面的接口定下来
// 业务流程（没有NFT的情况下）
// 1. 上传媒体，创建NFTCollateralVault
// 2. 把CollateralVault提供给FragmentFactory做碎片化
// （已经有NFT的情况下）
// 1. 将NFT打包成NFTCollateralVault
// 2. 把CollateralVault提供给FragmentFactory做碎片化
// 所以总体来说，factory只需要处理vault已经建立好之后的拼装工作即可

interface IFragmentFactory {
    function createFragment() external returns (address newVendingMachine);
}

contract FragmentFactory is InitializableOwnable {
    // ============ Templates ============

    address public immutable _CLONE_FACTORY_;
    address public immutable _MT_FEE_RATE_MODEL_;
    address public _DVM_TEMPLATE_;
    address public _FEE_DISTRIBUTOR_TEMPLATE_;
    address public _FRAGMENT_TEMPLATE_;

    // ============ Registry ============

    // base -> quote -> DVM address list
    mapping(address => mapping(address => address[])) public _REGISTRY_;
    // creator -> DVM address list
    mapping(address => address[]) public _USER_REGISTRY_;

    // ============ Functions ============

    constructor(
        address cloneFactory,
        address dvmTemplate,
        address feeDistributorTemplate,
        address fragmentTemplate,
        address mtFeeRateModel
    ) public {
        _CLONE_FACTORY_ = cloneFactory;
        _DVM_TEMPLATE_ = dvmTemplate;
        _FEE_DISTRIBUTOR_TEMPLATE_ = feeDistributorTemplate;
        _FRAGMENT_TEMPLATE_ = fragmentTemplate;
        _MT_FEE_RATE_MODEL_ = mtFeeRateModel;
    }

    function createFragment(
        address owner,
        address vault,
        address quoteToken,
        uint256 mtFeeRate,
        uint256 i,
        uint256 k,
        uint256 totalSupply,
        uint256 ownerRatio,
        uint256 buyoutTimestamp
    ) external returns (address newFragment) {
        // newFragment = ICloneFactory(_CLONE_FACTORY_).clone(_FRAGMENT_TEMPLATE_);
        // newVendingMachine = ICloneFactory(_CLONE_FACTORY_).clone(_DVM_TEMPLATE_);
        // newFeeDistributor = ICloneFactory(_CLONE_FACTORY_).clone(_FEE_DISTRIBUTOR_TEMPLATE_);

        // {
        //     IFeeDistributor(newFeeDistributor).init(newFragment, quoteToken, newFragment);
        // }

        // {
        //     IDVM(newVendingMachine).init(
        //         newFeeDistributor,
        //         newFragment,
        //         quoteToken,
        //         0,
        //         mtFeeRateModel,
        //         i,
        //         k,
        //         false
        //     );
        //     IFeeRateRegistry(mtFeeRateModel).set(newVendingMachine, mtFeeRate);
        // }

        // {
        //     IFragment(newFragment).init(owner, newVendingMachine, vault, totalSupply, ownerRatio, buyoutTimestamp);
        // }
    }
}