package com.ankurm.protocols;

import java.time.Instant;

import org.springframework.stereotype.Component;

/**
 * Deterministic quote generation, shared by all three protocol adapters.
 *
 * <p>Deliberately cheap and deliberately allocation-free apart from the record: a benchmark of
 * three transports must not spend its time in the thing behind them.
 */
@Component
public class QuoteSource {

    public Quote at(String symbol, long seq) {
        double base = 100.0 + (seq % 97) * 0.01;
        Instant now = Instant.now();
        return new Quote(symbol, seq, base, base + 0.02,
                now.getEpochSecond() * 1_000_000L + now.getNano() / 1_000L);
    }
}