import { BoxState, SetBox } from "./box-protocol.js";
import { Handle, Ref, Turn } from "./actor.js";
import { Observe } from "./dataspace.js";

let startTime = Date.now();
let prevValue = 0;

export default function (t: Turn, [ds, LIMIT, REPORT_EVERY]: [Ref, number, number]) {
    t.spawn(t => {
        console.log('Spawning Box');
        let valueHandle: Handle | undefined;
        function setValue(t: Turn, value: number) {
            valueHandle = t.replace(ds, valueHandle, BoxState(value));
        }
        setValue(t, 0);
        t.assert(ds, Observe(SetBox.constructorInfo.label, t.ref({
            message(t: Turn, [newValue]: [number]): void {
                // console.log(`Box: got ${newValue}`);
                if (newValue % REPORT_EVERY === 0) {
                    const endTime = Date.now();
                    const delta = (endTime - startTime) / 1000.0;
                    const count = newValue - prevValue;
                    prevValue = newValue;
                    startTime = endTime;
                    console.log(`Box: got ${newValue} (${count / delta} Hz)`);
                }
                if (newValue === LIMIT) t.quit();
                setValue(t, newValue);
            }
        })));
    });
}