import { TransportStatusError, StatusCodes, UserRefusedOnDevice } from "@ledgerhq/errors";
import { Observable, from, of } from "rxjs";
import { withDevice } from "./deviceAccess";
import { delay, mergeMap } from "rxjs/operators";
import getDeviceInfo from "./getDeviceInfo";
/**
 * Prompt the user to uninstall all applications at once in order to avoid
 * having to iterate over the installed applications one by one. This avoid
 * unnnecesary HSM connections, speeds up the flow and improves the UX.
 */
export const command = async (transport) => {
    const res = await transport.send(0xe0, 0x6dd, 0x00, 0x00, Buffer.from([]), [
        StatusCodes.OK,
        StatusCodes.UNKNOWN_APDU,
        StatusCodes.USER_REFUSED_ON_DEVICE,
        StatusCodes.UNKNOWN_APDU,
    ]);
    const status = res.readUInt16BE(res.length - 2);
    // We can complete with OK/KO, if the APDU is not available we can continue
    // with the legacy queue based HSM uninstall, if we succeed, we can clear
    // the queue.
    switch (status) {
        case StatusCodes.OK:
            return true;
        case StatusCodes.USER_REFUSED_ON_DEVICE:
            throw new UserRefusedOnDevice();
        case StatusCodes.UNKNOWN_APDU:
            return false;
    }
    throw new TransportStatusError(status);
};
export default function uninstallAllApps({ deviceId }) {
    const sub = withDevice(deviceId)(transport => new Observable(subscriber => {
        const timeoutSub = of({
            type: "unresponsiveDevice",
        })
            .pipe(delay(1000))
            .subscribe(e => subscriber.next(e));
        const sub = from(getDeviceInfo(transport))
            .pipe(mergeMap(async () => {
            timeoutSub.unsubscribe();
            subscriber.next({ type: "uninstallAllAppsPermissionRequested" });
            await command(transport);
            subscriber.next({ type: "appsUninstalled" });
        }))
            .subscribe(subscriber);
        return () => {
            timeoutSub.unsubscribe();
            sub.unsubscribe();
        };
    }));
    return sub;
}
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