//SPDX-License-Identifier: Apache-2.0
pragma solidity 0.8.23;

import {IBalanceOf} from "./interface/IBalanceOf.sol";
import {ITierSystem} from "./interface/ITierSystem.sol";

contract TierSystem is ITierSystem {

    string private _name;
    address private _owner;
    address public factory;

    IBalanceOf[] private _tokens;

    uint256 private _tierCount;
    mapping (uint => uint[]) private _tierConfig;
    
    event TiersUpdated(address[] tokens_, uint[][] tierConfig_);
    event OwnerUpdated(address indexed previousOwner, address indexed newOwner);
    
    constructor()
    {
        _name = "MASTER TIERSYSTEM IMPLEMENTATION";
        _owner = msg.sender;
    }

    function init(
        string memory name_,
        uint[][] memory tierConfig_,
        address[] memory tokens_,
        address owner_ 
    ) public {
        // TODO: check if factory is the caller
        _name = name_;
        _setTiers(tokens_, tierConfig_);
        _owner = owner_;
        factory = msg.sender;
    }

    function updateTiers(address[] memory tokens_, uint[][] memory tierConfig_) public {
        require(msg.sender == _owner, "TS: Caller is not the owner");
        _setTiers(tokens_, tierConfig_);
    }