package com.ruoyi.tcp;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.ruoyi.common.utils.DictUtils;
import com.ruoyi.device.srgv.domain.DeviceSrgv;
import com.ruoyi.device.ssj.domain.DeviceSsj;
import com.ruoyi.device.tsj.domain.DeviceTsj;
import com.ruoyi.schedule.plcRead.srgv.PlcSrgvRead;
import com.ruoyi.schedule.plcRead.ssj.PlcSsjRead;
import com.ruoyi.schedule.plcRead.tsj.PlcTsjRead;
import lombok.Data;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;
import java.io.OutputStream;
import java.net.Socket;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

@Component
public class GetDeviceAlarm {
    private final TcpServerManager manager;
    private final ObjectMapper objectMapper = new ObjectMapper();

    /**
     * 构造函数：注入 TCP 管理器，用于管理 5555 端口客户端与广播
     */
    public GetDeviceAlarm(TcpServerManager manager) {
        this.manager = manager;
    }

    /**
     * 初始化：注册 5555 端口的客户端连接监听，客户端第一次连接时立即发送报警数据
     */
    @PostConstruct
    public void init() {
        manager.setClientListener("port5555", this::handleConnect);
    }

    /**
     * 客户端连接处理：构建报警数据并写入到 Socket 输出流
     */
    private void handleConnect(Socket socket) {
        try {
            String payload = buildAlarmPayload();
            OutputStream os = socket.getOutputStream();
            os.write(((payload == null ? "" : payload) + "\n").getBytes(StandardCharsets.UTF_8));
            os.flush();
        } catch (Exception ignored) {
        }
    }


    /**
     * 周期发送：每 2 秒检查 5555 端口是否有连接，有则广播报警数据，无连接不发送
     */
    @Scheduled(fixedRate = 2000)
    public void send() {
        Integer count = manager.status().getOrDefault("port5555", 0);
        if (count != null && count > 0) {
            String payload = buildAlarmPayload();
            manager.broadcast("port5555", payload == null ? "" : payload);
        }
    }

    /**
     * 构建报警数据：汇总四向车、输送机、提升机报警
     * - 四向车：报警代码 > 1，字典类型 srgv_alarm
     * - 输送机：报警代码 > 2，字典类型 ssj_ex
     * - 提升机：报警代码 > 100，字典类型 tsj_alarm
     * 返回 JSON 字符串格式：{"alarm":[{id,name,alarm,alarmMsg}]}
     */
    private String buildAlarmPayload() {
        List<AlarmDto> alarms = new ArrayList<>();

        Map<String, DeviceSrgv> srgvMap = PlcSrgvRead.deviceSrgvMap;
        if (srgvMap != null) {
            for (DeviceSrgv d : srgvMap.values()) {
                Integer code = d.getAlarm();
                if (code != null && code > 1) {
                    AlarmDto dto = new AlarmDto();
                    dto.setId(d.getDeviceId() == null ? "" : String.valueOf(d.getDeviceId()));
                    dto.setName("四向车");
                    dto.setAlarm(code == null ? "" : String.valueOf(code));
                    dto.setAlarmMsg(DictUtils.getDictLabel("srgv_alarm", code == null ? "" : String.valueOf(code)));
                    alarms.add(dto);
                }
            }
        }

        Map<String, DeviceSsj> ssjMap = PlcSsjRead.deviceSsjMap;
        if (ssjMap != null) {
            for (DeviceSsj d : ssjMap.values()) {
                Integer code = d.getException();
                if (code != null && code > 2) {
                    AlarmDto dto = new AlarmDto();
                    dto.setId(d.getDeviceCode() == null ? "" : d.getDeviceCode());
                    dto.setName("输送机");
                    dto.setAlarm(String.valueOf(code));
                    dto.setAlarmMsg(DictUtils.getDictLabel("ssj_ex", String.valueOf(code)));
                    alarms.add(dto);
                }
            }
        }

        Map<String, DeviceTsj> tsjMap = PlcTsjRead.deviceTsjMap;
        if (tsjMap != null) {
            for (Map.Entry<String, DeviceTsj> entry : tsjMap.entrySet()) {
                String codeId = entry.getKey();
                DeviceTsj d = entry.getValue();
                Integer code = d.getSbzt();
                if (code != null && code > 100) {
                    AlarmDto dto = new AlarmDto();
                    dto.setId(codeId == null ? "" : codeId);
                    dto.setName("提升机");
                    dto.setAlarm(String.valueOf(code));
                    dto.setAlarmMsg(DictUtils.getDictLabel("tsj_alarm", String.valueOf(code)));
                    alarms.add(dto);
                }
            }
        }

        try {
            Wrapper w = new Wrapper();
            w.setAlarm(alarms);
            return objectMapper.writeValueAsString(w);
        } catch (Exception e) {
            return "{\"alarm\":[]}";
        }
    }

    @Data
    private static class Wrapper {
        private List<AlarmDto> alarm;
    }

    @Data
    private static class AlarmDto {
        private String id;
        private String name;
        private String alarm;
        private String alarmMsg;
    }
}