import Alpaca from '@alpacahq/alpaca-trade-api';
import { Action, ActionSide, ActionFetchOptions, ActionFetchResponse } from '../interface/actions';

class AlpacaActivity {
    id!: string;
    activity_type!: string;
    transaction_time!: string;
    type!: string;
    price!: string;
    qty!: string;
    side!: string;
    symbol!: string;
    leaves_qty!: string;
    order_id!: string;
    cum_qty!: string;
    order_status!: string;
}

export class AlpacaActionProvider {
    readonly alpaca: Alpaca;

    readonly fetchActions = (options: ActionFetchOptions): Promise<ActionFetchResponse> => {
        return (this.alpaca.getAccountActivities({
            activityTypes: "FILL",
            direction: "desc",
        }) as Promise<AlpacaActivity[]>).then((activities) => {
            return new ActionFetchResponse(
                activities
                .filter((activity) => activity.order_status === "filled")
                .map((activity) => {
                    return new Action(
                        activity.symbol,
                        parseInt(activity.qty, 10),
                        activity.side === "buy" ? ActionSide.Buy : ActionSide.Sell,
                        parseFloat(activity.price)
                    );
                }),
                undefined
            );
        }).catch((err) => {
            return err;
        });
    };

    constructor(alpaca: Alpaca) {
        this.alpaca = alpaca;
    }
}