pragma solidity ^0.4.24;
import './basicFunding.sol';
import './InvestorToFunding.sol';


contract FundingFactory {
    
    address[] public crowFundingArray;
    mapping(address => address[]) public creatorFundingMap;
    address public platformProvider;
    
    //添加一个变量，默认i2为0x00000000000000000，必须实例化才可使用
	InvestorToFunding i2f;
    
    constructor() public {
        
        platformProvider = msg.sender;
        
        //实例化InvestorToFunding合约，返回一个地址。
        address i2fAddress = new InvestorToFunding();
        
        //将地址显示转换为InvestorToFunding类型，此时i2可以正常使用了
        i2f = InvestorToFunding(i2fAddress); 
    }
    
    function createFunding(string _projectName, uint _supportMoney, uint _goalMoney, uint _duration) public {
        //a. 创建一个新合约
        address fundingAddress = new CrowFunding(_projectName, _supportMoney, _goalMoney, _duration, msg.sender, i2f);
        //b. 添加到合约集合中
        crowFundingArray.push(fundingAddress);

        //c. 添加到我所创建合约的集合中
        creatorFundingMap[msg.sender].push(fundingAddress);
    }
    
    //返回该众筹平台所有的合约
    function getAllFunding() public view returns(address[]){
        return crowFundingArray;
    }
    
    //返回当前账户所创建的所有合约
    function getCreatorFunding() public view returns(address[]) {
        return creatorFundingMap[msg.sender];
    }
    
    //返回当前账户所参加的所有合约
    function getInvestorFunding() public view returns(address[]) {
        return i2f.getFundingBy(msg.sender);
    }
}