#ifndef TYPES_H
#define TYPES_H

#include <map>
#include <string>
#include <vector>

#if defined(_MSC_VER) && (_MSC_VER < 1600)
// Declare types for MSVC versions less than 2010 (1600) which lacked a stdint.h
typedef unsigned char       uint8_t;
typedef char                int8_t;
typedef unsigned short      uint16_t;
typedef short               int16_t;
typedef unsigned int        uint32_t;
typedef int                 int32_t;
typedef unsigned long long  uint64_t;
typedef long long           int64_t;
#else
#include <stdint.h>
#endif

namespace si {

class bytearray : public std::vector<char>
{
public:
  bytearray() = default;

  template <typename T>
  T *cast() { return reinterpret_cast<T*>(data()); }

  template <typename T>
  const T *cast() const { return reinterpret_cast<const T*>(data()); }

  void append(const char *data, size_t size)
  {
    size_t current = this->size();
    this->resize(current + size);
    memcpy(this->data() + current, data, size);
  }

  void append(const bytearray &other)
  {
    size_t current = this->size();
    this->resize(current + other.size());
    memcpy(this->data() + current, other.data(), other.size());
  }

  void fill(char c)
  {
    memset(this->data(), c, this->size());
  }

};

class Vector3
{
public:
  Vector3(){}
  Vector3(double ix, double iy, double iz)
  {
    x = ix;
    y = iy;
    z = iz;
  }

  double x;
  double y;
  double z;
};

class Data
{
public:
  inline Data()
  {
    data_.resize(sizeof(uint32_t));
    memset(data_.data(), 0, data_.size());
  }

  inline Data(const uint32_t &u) { set(u); }
  inline Data(const Vector3 &u) { set(u); }
  inline Data(const bytearray &u) { set(u); }
  inline Data(const std::string &u)
  {
    data_.resize(u.size());
    memcpy(data_.data(), u.data(), u.size());
  }

  inline operator uint32_t() const { return toU32(); }
  inline operator const char *() const { return data(); }
  inline operator Vector3() const { return toVector3(); }
  inline operator bytearray() const { return data_; }
  inline operator std::string() const { return toString(); }

  inline uint16_t toU16() const { return *data_.cast<uint16_t>(); }
  inline int16_t toS16() const { return *data_.cast<int16_t>(); }
  inline uint32_t toU32() const { return *data_.cast<uint32_t>(); }
  inline int32_t toS32() const { return *data_.cast<int32_t>(); }
  inline Vector3 toVector3() const { return *data_.cast<Vector3>(); }
  inline const char *data() const { return data_.data(); };
  inline char *data() { return data_.data(); };
  inline const char *c_str() const { return this->data(); };
  inline size_t size() const { return data_.size(); }
  inline const std::string toString() const
  {
    // Subtract 1 from size, assuming the last character is a null terminator
    return std::string(data_.data(), std::max(size_t(0), data_.size()-1));
  }

  inline bool operator==(int u) const
  {
    return get<int>() == u;
  }

  inline bool operator==(uint32_t u) const
  {
    return get<uint32_t>() == u;
  }

  template <typename T>
  inline const T &get() const
  {
    return *data_.cast<T>();
  }

  template <typename T>
  inline void set(const T &value)
  {
    data_.resize(sizeof(T));
    memcpy(data_.data(), &value, sizeof(T));
  }

  inline void set(const bytearray &value) { data_ = value; }

private:
  bytearray data_;

};

using DataMap = std::map<std::string, Data>;

}

#endif // TYPES_H