package com.example.springboot.component;

import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.charset.StandardCharsets;
import java.sql.Time;
import java.util.ArrayList;
import java.util.List;

import com.github.xingshuangs.iot.protocol.s7.enums.EPlcType;
import com.github.xingshuangs.iot.protocol.s7.service.MultiAddressWrite;
import com.github.xingshuangs.iot.protocol.s7.service.S7PLC;
import com.github.xingshuangs.iot.utils.FloatUtil;
import com.google.common.primitives.Bytes;
import org.apache.ibatis.jdbc.Null;

public class S7control {

    S7PLC s7PLC; // PLC通讯类实例
    private EPlcType plcType = EPlcType.S1500; // 西门子PLC类型
    private String ip = "192.168.10.1"; // plc ip地址
    private int port = 102; // plc 端口号

    private static volatile S7control instance = null;

    private S7control() {
        if (s7PLC == null)
            s7PLC = new S7PLC(plcType, ip, port,0,0);
    }

    // 单例模式 获取类的唯一实例
    public static S7control getinstance() {
        if (instance == null) {
            synchronized (S7control.class) {
                if (instance == null)
                    instance = new S7control();
            }
        }
        return instance;
    }
    
    /**
     * 关闭西门子s7通讯连接
     */
    public void CloseS7client() {
        if (s7PLC == null)
            s7PLC.close();
            s7PLC.checkConnected();
    }

    /**
     * s7通讯连接状态
     */
    public boolean CheckConnected() {
        return s7PLC.checkConnected();
    }

    /**
     * 按指定的地址 写入一个word
     * 
     * @param address 地址
     * @param data    word的值
     */
    public void WriteWord(String address, short data) {
        if (s7PLC==null)
        {
            return;
        }
        s7PLC.writeInt16(address, data);
    }

    /**
     * 从某地址连续 写入多个word
     * 
     * @param address 地址
     * @param datas   word的值
     */
    public void WriteWord(String address, List<Short> datas) {
        if (s7PLC==null)
            return;
        // s7PLC.write(address, data);
        List<String> addresslist = GetAddressList(address, datas.size(), 16);
        MultiAddressWrite addressWrite = new MultiAddressWrite();
        for (int i = 0; i < datas.size(); i++) {
            addressWrite.addInt16(addresslist.get(i), datas.get(i));
        }
        s7PLC.writeMultiData(addressWrite);
    }

    /**
     * 按指定的地址 写入多个word
     * 
     * @param address 地址
     * @param datas   word的值
     */






    /**
     * 按指定的地址 写入一个Bit
     * 
     * @param address 地址
     * @param data    Bit的值
     */
    public void WriteBit(String address, Boolean data) {
        if (s7PLC==null)
            return;
        s7PLC.writeBoolean(address, data);
    }

    /**
     * 按指定的地址 写入多个bit
     * 
     * @param address 地址
     * @param datas   bit的值
     */
    public void WriteBit(List<String> address, List<Boolean> datas) {
        if (s7PLC==null)
            return;
        // s7PLC.write(address, data);

        MultiAddressWrite addressWrite = new MultiAddressWrite();
        for (int i = 0; i < address.size(); i++) {
            addressWrite.addBoolean(address.get(i), datas.get(i));
        }
        s7PLC.writeMultiData(addressWrite);
    }

    /**
     * 从某地址连续 写入多个bit
     * 
     * @param address 地址
     * @param datas   word的值
     */
    public void WriteBit(String address, List<Boolean> datas) {
        if (s7PLC==null)
            return;
        // s7PLC.write(address, data);
        List<String> addresslist = GetAddressList(address, datas.size(), 1);
        MultiAddressWrite addressWrite = new MultiAddressWrite();
        for (int i = 0; i < datas.size(); i++) {
            addressWrite.addBoolean(addresslist.get(i), datas.get(i));
        }
        s7PLC.writeMultiData(addressWrite);
    }
     /**
     * 按指定的地址 写入多个byte
     * 
     * @param address 地址
     * @param datas   byte的值
     */
    public void WriteByte(String address, byte[] datas) {
        if (s7PLC==null)
            return;
        // s7PLC.write(address, data); 
        s7PLC.writeByte(address, datas);
    }

    /**
     * 按指定的地址 读取word结果集
     * 
     * @param address 地址
     * @return 结果
     */
    public List<Short> ReadWord(List<String> address) {
        if (s7PLC == null)
            return null;

        try {
            return s7PLC.readInt16(address);
        } catch (Exception e) {
            System.out.println("读取 " + address + " 失败：" + e.getMessage());
            return null;
        }
    }

    


    private int getIndexFromAddress(String address) {

        // 可以解析出地址中的数字部分，并转换为整数
        return 0;
    }

    private String getAddressFromIndex(int index) {

        // 整数转换为地址格式的字符串
        return "";
    }

    /**
     * 按指定的地址 读取word结果集
     * 
     * @param address 地址
     * @param count   连续读多少个word
     * @return 结果
     */
    public List<Short> ReadWord(String address, int count) {
        if (s7PLC == null)
            return null;
        List<String> addresslist = GetAddressList(address, count, 16);
        try {
            return s7PLC.readInt16(addresslist);
        } catch (Exception e) {
            System.out.println("读取 " + address + " 失败：" + e.getMessage());

            return null;
        }
    }
    public byte[] Readbyte(String address, int count) {
        byte[] byt=new byte[count];
        int wordcount=((count%2==0)?count/2:count+1);
        List<Short> word=ReadWord(address,wordcount);
        
        return byt;
    }
    /**
     * 按指定的地址 读取byte结果集
     * 
     * @param address 地址
     * @param count   连续读多少个byte
     * @return 结果
     */
    public byte[] ReadByte(String address, int count) {
        if (s7PLC==null)
             return null;
       // List<String> addresslist = GetAddressList(address, count, 16);

        try {
            return s7PLC.readByte(address, count);
        }catch (Exception e) {
            // 处理异常
            System.out.println("读取 " + address + " 失败：" + e.getMessage());
            return null;
        }

    }

    /**
     * 按指定的地址 按bit位 0 flase 1 true 读取结果
     *
     * @param addresslist 地址集
     * @return Boolean结果
     */
    public List<Boolean> ReadBits(List<String> addresslist) {
        if (s7PLC==null)
             return null;
        return s7PLC.readBoolean(addresslist);
    }
//读取不连续地址bit
public List<Boolean> readBits(List<String> addressList) {
    if (s7PLC == null || addressList.isEmpty()) {
        return null;
    }

    List<Boolean> values = new ArrayList<>();
    for (String address : addressList) {
        try {
            boolean value = s7PLC.readBoolean(address);
            values.add(value);
        } catch (Exception e) {
            // 处理异常
            System.out.println("读取 " + address + " 失败：" + e.getMessage());
        }
    }

    return values;
}


//读取String
public List<String> readStrings(List<String> addressList) {
    if (s7PLC == null) {
        return null;
    }
    List<String> result = new ArrayList<>();
    for (String address : addressList) {
        try {
            byte[] bytes = s7PLC.readByte(address, 14);
            if (bytes != null) {
                String str = new String(bytes, StandardCharsets.UTF_8);
                result.add(str);
            }
        } catch (Exception e) {
            System.out.println("读取 " + address + " 失败：" + e.getMessage());
            result.add(null);
        }
    }

    return result;
}





    public List<String> readStringsandword(List<String> addressList) {
        if (s7PLC == null) {
            return null;
        }
        List<String> result = new ArrayList<>();
        for (String address : addressList) {
            try {
                if (address.contains("-")) {
                    address = address.substring(0, address.indexOf("-"));

                    byte[] bytes = s7PLC.readByte(address, 14);
                    if (bytes != null) {
                        String str = new String(bytes, StandardCharsets.UTF_8);
                        result.add(str);
                    }

                } else {
                    Short value = s7PLC.readInt16(address);
                    result.add(value.toString());

                }
            } catch (Exception e) {
                System.out.println("读取 " + address + " 失败：" + e.getMessage());
                result.add(null);
            }
        }

        return result;
    }



//不连续地址写入Word
    public void WriteWord(List<String> address, List<Short> datas) {
        if (s7PLC == null)
            return;

        for (int i = 0; i < address.size(); i++) {
            String addr = address.get(i);
            short data = datas.get(i);

            if (addr.contains("-")) {
                outmesid(String.valueOf(data),addr); // 单独处理带破折号的地址
            } else {
                s7PLC.writeInt16(addr, data); // 将数据写入单个地址
            }
        }
    }
    
    
    
//字符串写入
    public void outmesid(String data, String addr) {
//        System.out.println("outmesid: " + data);
        List<Byte> glassidlist = new ArrayList<>();
        String[] parts = addr.split("-");
        if (parts.length == 2) {
            addr = parts[0]; // 只保留 "-" 前面的部分
        }
        for (char iditem : data.toCharArray()) {
            glassidlist.add(Byte.valueOf(String.valueOf(iditem)));
        }
        byte[] bytes = Bytes.toArray(glassidlist);
        S7control.getinstance().WriteByte(addr, bytes);
    }

//读取不连续word
    public List<Short> readWords(List<String> addresses) {
        if (s7PLC == null) {
            return null;
        }

        List<Short> data = new ArrayList<>();

        for (String address : addresses) {
            try {

                // 单个地址
                Short value = s7PLC.readInt16(address);
                data.add(value);
            } catch (Exception e) {
                System.out.println("读取 " + address + " 失败：" + e.getMessage());

            }

        }
        return data;
    }

//读取时间
public Long readtime(String address) {
    if (s7PLC == null)
        return null;
    try {
        return s7PLC.readTime(address);
    } catch (Exception e) {
        System.out.println("读取 " + address + " 失败：" + e.getMessage());
        return null;
    }
}


    public void writetime(String address, long datas) {
        if (s7PLC == null)
            return;


        s7PLC.writeTime(address, datas); // 将数据写入单个地址
    }





    private int extractAddressNumber(String address) {
        String numberStr = address.replaceAll("\\D+", ""); // 使用正则表达式提取数字部分
        return Integer.parseInt(numberStr);
    }


    /**
     * 从指定的地址开始 连续按bit位读取
     *
     * @param address 地址
     * @param count   长度
     * @return Boolean结果
     */
    public List<Boolean> ReadBits(String address, int count) {
        if (s7PLC == null)
            return null;
        List<String> addresslist = GetAddressList(address, count, 1);
        try {
            return s7PLC.readBoolean(addresslist);
        } catch (Exception e) {
            System.out.println("读取 " + address + " 失败：" + e.getMessage());
            return null;
        }

    };
    
    

    private List<String> GetAddressList(String address, int count, int addedbit) {
        List<String> addresslist = new ArrayList<String>();

        String[] stringdatas = address.trim().split("\\.");
        if (stringdatas.length < 2 || !address.startsWith("DB"))
            return null;
        int dbwindex = 0;
        int bitindex = 0;
        if (stringdatas.length == 2) {
            dbwindex = Integer.parseInt(stringdatas[1]);
        } else if (stringdatas.length == 3) {
            dbwindex = Integer.parseInt(stringdatas[1]);
            bitindex = Integer.parseInt(stringdatas[2]);
        } else
            return null;

            addresslist.add(address);
        for (int i = 0; i < count-1; i++) {

            int bitcurrent = bitindex + addedbit;
            if (bitcurrent > 7) {
                dbwindex += bitcurrent / 8;
                bitindex = 0;
            } else
                bitindex = bitcurrent;

                String endstr=stringdatas.length==3?"." + bitindex:"";
            addresslist.add(stringdatas[0] + "." + dbwindex + endstr);
        }
        return addresslist;
    }
    public void writeString(String addr,String data) {
        s7PLC.writeString(addr,data);
    }
    
    public String readStrings(String addr) {
        return s7PLC.readString(addr);
    }

    public float readFloat32(String addr) {
        return s7PLC.readFloat32(addr);
    }

    public double readFloat64(String addr) {
        return s7PLC.readFloat64(addr);
    }
    // public float[] readfloat32(List<String> addr) {
    //     float[] result=new float[addr.size()];
    //     for (int i=0;i<addr.size();i++) {
    //         String address=addr.get(i);
    //         result[i]=readFloat32(address);
    //     }
    //     return result;
    // }

    public List<Float> readFloat32(List<String> addr) {
        List<Float> result=new ArrayList<>();
        for (String string : addr) {
            if(string.equals("DB10.2000")||string.equals("DB10.2008")){
                result.add((float)s7PLC.readFloat64(string));
            }else if (string.equals("DB10.224")||string.equals("DB10.226")||string.equals("DB10.228")||string.equals("DB10.230")) {
                List<Short> word=ReadWord(string,1);
                for (Short short1 : word) {
                    result.add((float)short1);
                }
            }
            else{
                result.add(s7PLC.readFloat32(string));
            }
            
        }
        return result;
    }

    public void writeFloat32(String addr, float data) {
      s7PLC.writeFloat32(addr,data);
   }

   public List<Long> readtimes(List<String> addr) {
    List<Long> result=new ArrayList<>();
    for (String string : addr) {
        result.add(s7PLC.readTime(string));
        
    }
    return result;
}
}