package com.ruoyi.config;

import java.time.Duration;
import java.time.Instant;
import java.util.List;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
import com.ruoyi.device.bts.BtsDevelopmentSimulator;
import com.ruoyi.device.discovery.DeviceDiscoveryCandidateStore;
import com.ruoyi.device.discovery.DeviceDiscoveryCandidateStore.CollectorCandidate;

/** 将模拟采集器的发现和实时状态写入 Redis，不回写正式 MySQL 记录。 */
@Component
public class DevelopmentCollectorStatusSynchronizer
{
    private final BtsDevelopmentSimulator simulator;
    private final DeviceDiscoveryCandidateStore candidateStore;

    public DevelopmentCollectorStatusSynchronizer(BtsDevelopmentSimulator simulator,
            DeviceDiscoveryCandidateStore candidateStore)
    {
        this.simulator = simulator;
        this.candidateStore = candidateStore;
    }

    /** 完整替换 dev-sim 采集器快照，删除配置后候选立即消失。 */
    @Scheduled(fixedDelay = BtsDevelopmentSimulator.POLL_INTERVAL_MS)
    public synchronized void synchronizeOnlineStatus()
    {
        Instant observedAt = Instant.now();
        List<CollectorCandidate> candidates = simulator.snapshot().collectors().stream()
                .map(item -> new CollectorCandidate(BtsDevelopmentSimulator.ADAPTER_CODE, item.deviceCode(),
                        item.ip(), item.mac(), item.name(),
                        item.manufacturer(), item.model(), item.channelCount(), item.online(), observedAt,
                        observedAt.plus(Duration.ofSeconds(30))))
                .toList();
        candidateStore.replaceCollectors(BtsDevelopmentSimulator.ADAPTER_CODE, candidates);
    }
}