//
// Copyright (c) 2013-2025 The SRS Authors
//
// SPDX-License-Identifier: MIT
//

#ifndef SRS_UTEST_KERNEL_HPP
#define SRS_UTEST_KERNEL_HPP

/*
#include <srs_utest_manual_kernel.hpp>
*/
#include <srs_utest.hpp>

#include <string>
#include <vector>

#include <srs_kernel_buffer.hpp>
#include <srs_kernel_file.hpp>
#include <srs_kernel_ps.hpp>
#include <srs_kernel_stream.hpp>
#include <srs_kernel_ts.hpp>
#include <srs_kernel_utility.hpp>
#include <srs_protocol_stream.hpp>

class MockSrsFile
{
public:
    SrsBuffer *_buf;
    SrsSimpleStream _data;

public:
    MockSrsFile();
    virtual ~MockSrsFile();

public:
    virtual srs_error_t open(std::string file);
    virtual void close();

public:
    virtual srs_error_t write(void *data, size_t count, ssize_t *pnwrite);
    virtual srs_error_t read(void *data, size_t count, ssize_t *pnread);
    virtual srs_error_t lseek(off_t offset, int whence, off_t *seeked);
};

class MockFileRemover
{
// clang-format off
SRS_DECLARE_PRIVATE: // clang-format on
    std::string path_;

public:
    MockFileRemover(std::string p);
    virtual ~MockFileRemover();
};

class MockSrsFileWriter : public SrsFileWriter
{
public:
    MockSrsFile *uf;
    srs_error_t err;
    // Error if exceed this offset.
    int error_offset;
    // Whether opened.
    bool opened;

public:
    MockSrsFileWriter();
    virtual ~MockSrsFileWriter();

public:
    virtual srs_error_t open(std::string file);
    virtual void close();
    virtual srs_error_t set_iobuf_size(int size);

public:
    virtual bool is_open();
    virtual void seek2(int64_t offset);
    virtual int64_t tellg();
    virtual int64_t filesize();
    virtual char *data();
    virtual string str();

public:
    virtual srs_error_t write(void *buf, size_t count, ssize_t *pnwrite);
    virtual srs_error_t lseek(off_t offset, int whence, off_t *seeked);
    // for mock
public:
    void mock_reset_offset();
};

class MockSrsFileReader : public SrsFileReader
{
public:
    MockSrsFile *uf;
    bool opened;
    // Could seek.
    bool seekable;

public:
    MockSrsFileReader();
    MockSrsFileReader(const char *data, int nb_data);
    virtual ~MockSrsFileReader();

public:
    virtual srs_error_t open(std::string file);
    virtual void close();

public:
    virtual bool is_open();
    virtual int64_t tellg();
    virtual void skip(int64_t size);
    virtual int64_t seek2(int64_t offset);
    virtual int64_t filesize();

public:
    virtual srs_error_t read(void *buf, size_t count, ssize_t *pnread);
    virtual srs_error_t lseek(off_t offset, int whence, off_t *seeked);
    // for mock
public:
    // append data to current offset, modify the offset and size.
    void mock_append_data(const char *_data, int _size);
    void mock_reset_offset();
};

class MockBufferReader : public ISrsReader
{
// clang-format off
SRS_DECLARE_PRIVATE: // clang-format on
    std::string str;

public:
    MockBufferReader(const char *data);
    virtual ~MockBufferReader();

public:
    virtual srs_error_t read(void *buf, size_t size, ssize_t *nread);
};

class MockSrsCodec : public ISrsCodec
{
public:
    MockSrsCodec();
    virtual ~MockSrsCodec();

public:
    virtual uint64_t nb_bytes();
    virtual srs_error_t encode(SrsBuffer *buf);
    virtual srs_error_t decode(SrsBuffer *buf);
};

class MockTsHandler : public ISrsTsHandler
{
public:
    SrsTsMessage *msg;

public:
    MockTsHandler();
    virtual ~MockTsHandler();

public:
    virtual srs_error_t on_ts_message(SrsTsMessage *m);
};

class MockPsHandler : public ISrsPsMessageHandler
{
public:
    std::vector<SrsTsMessage *> msgs_;

public:
    MockPsHandler();
    virtual ~MockPsHandler();

public:
    virtual srs_error_t on_ts_message(SrsTsMessage *m);
    virtual void on_recover_mode(int nn_recover);
    virtual void on_recover_done(srs_utime_t duration);
    MockPsHandler *clear();
};

extern int srs_rbsp_remove_emulation_bytes(SrsBuffer *stream, std::vector<uint8_t> &rbsp);

#endif