#ifndef _MSGHANDLER_HPP_
#define _MSGHANDLER_HPP_

#include <queue>
#include <mutex>
#include <vector>
#include <map>

class MsgHandler {
public:
    int fd;
    std::string device;
    std::vector<uint8_t> m_PrintData;

    MsgHandler();
    ~MsgHandler() = default;

    void HandleDdsMsg(const std::map<std::string, std::string>& msg);
    void EncodeMsg(const std::map<std::string, std::string>& msg);
    bool SetDevice(const std::string& device);

    virtual bool OpenPort(const std::string& port, const std::string& baudrate);
    virtual int SendDeviceMsg(const std::vector<uint8_t>& data);
    virtual int RecvDeviceMsg(std::vector<uint8_t>& data, int timeoutMs);
    int SendMsg(const std::vector<uint8_t>& data);
    int RecvMsg(std::vector<uint8_t>& data, int timeoutMs);
    bool isOpen() const {
        return fd != -1;
    }
    void ClosePort();

    void SendDeviceMsgChunked(const std::vector<uint8_t>& data,
        size_t chunkSize = 256,
        unsigned int interChunkUs = 3000);

private:
    std::vector<char> BuildLine(int m_max, const std::map<int, std::string>& PointList, int no_line_min = 0, int no_line_max = 0);      //行线条生成器
    std::vector<char> BuildStringLine(std::map<int, std::string>& PointList);                                                           //行线条生成器
    std::vector<char> BuildStringLine_HSK33(std::map<int, std::string>& PointList);                                                     //行线条生成器
    std::vector<char> BuildStringLine_RawBytes(const std::map<int, std::string>& PointList);


    void Page_ClearAndSet(std::vector<uint8_t>& Data, char * h1h2h3h4);
    void Page_ESCL (std::vector<uint8_t>& Data, const char *n1n2, const char *x1x2x3x4, const char *y1y2y3y4,
    const char *x5x6x7x8, const char *y5y6y7y8, char d, char w);
    void Page_ESCPC(std::vector<uint8_t>& Data, const char *n1n2, const char *x1x2x3x4, const char *y1y2y3y4,
    char w, char h, char c, const char * r1r2, const char * s1s2);
    void Page_ESCRC(std::vector<uint8_t>& Data, const char *n1n2, const char *str);
    void Page_ESCH(std::vector<uint8_t>& Data, char n, char *x1x2x3x4, char *y1y2y3y4, char *bmp, int bmpsize);
    void Page_Cut(std::vector<uint8_t>& Data);
    void Page_End(std::vector<uint8_t>& Data);
    void GtstrLength(int iVal, char *p);
    bool is_chinese_char(const std::string& str, size_t start_byte);
    int get_utf8_char_width(const std::string& str, size_t start_byte);
    size_t get_utf8_display_width(const std::string& str);
    std::vector<std::string> split_utf8_by_width(const std::string& str, size_t max_width);
    bool check_odd(const std::string date);

    void Print1_1(const std::map<std::string, std::string>& msg);

    // ----- 新增：章图读取与放大（与 PrintTest/main.c 一致） -----
    bool LoadStampHexImage(const std::string& path, std::vector<uint8_t>& out);
    bool EnlargeStampNearest(const std::vector<uint8_t>& src,
                             int src_w, int src_h, int scale,
                             std::vector<uint8_t>& dst);
};

#endif