import {IEventData} from "./EventData/EventData";
import {BlockTransactionString} from "web3-eth";
import {EventType} from "./EventType";
import {TransferEventData} from "./EventData/TransferEventData";
import TransactionLog = Truffle.TransactionLog;

export interface IEvent {
    address: string;
    blockHash: string;
    blockNumber: number;
    transactionHash: string;
    blockTimestamp: number;
    blockDate: Date;
    eventName: string;
    data?: IEventData;
}

export class Event implements IEvent{
    address: string;
    blockHash: string;
    blockNumber: number;
    transactionHash: string;
    blockTimestamp: number;
    blockDate: Date;
    eventName: string;
    data?: IEventData;

    constructor(event: TransactionLog, block: BlockTransactionString) {
        this.address = event.address;
        this.blockHash = event.blockHash;
        this.blockNumber = event.blockNumber;
        this.transactionHash = event.transactionHash;
        this.blockTimestamp = Number(block.timestamp);
        this.blockDate = new Date(this.blockTimestamp * 1000);
        this.eventName = event.event;

        if (event.event === EventType.transfer) {
            this.data = new TransferEventData(event.args)
        } else {
            this.data = null;
        }
    }
}