#pragma once

#include <string>
#include <vector>

#pragma pack(push, 1)
struct FileChunkPacket {
    unsigned char       cmd;          // COMMAND_SEND_FILE
    uint32_t			fileIndex;	  // 文件编号
    uint32_t			totalNum;	  // 文件总数
    uint64_t            fileSize;     // 整个文件大小
    uint64_t            offset;       // 当前块在文件中的偏移
    uint64_t            dataLength;   // 本块数据长度
    uint64_t            nameLength;   // 文件名长度（不含 '\0'）
};
#pragma pack(pop)

int InitFileUpload(const std::string hmac, int chunkSizeKb = 64, int sendDurationMs = 50);

int UninitFileUpload();

std::vector<std::string> GetClipboardFiles();

bool GetCurrentFolderPath(std::string& outDir);

typedef bool (*OnTransform)(void* user, FileChunkPacket* chunk, unsigned char* data, int size);

typedef void (*OnFinish)(void* user);

int FileBatchTransferWorker(const std::vector<std::string>& files, const std::string& targetDir,
                            void* user, OnTransform f, OnFinish finish, const std::string& hash, const std::string& hmac);

int RecvFileChunk(char* buf, size_t len, void* user, OnFinish f, const std::string& hash, const std::string& hmac);