// This is a generated file, modify: generate/templates/templates/class_header.h

#ifndef GITPATCH_H
#define GITPATCH_H
#include <nan.h>
#include <string>
#include <queue>
#include <utility>

#include "async_baton.h"
#include "nodegit_wrapper.h"
#include "promise_completion.h"

extern "C" {
#include <git2.h>
}

#include "../include/typedefs.h"

#include "../include/convenient_patch.h"
#include "../include/blob.h"
#include "../include/diff_options.h"
#include "../include/diff.h"
#include "../include/diff_delta.h"
#include "../include/diff_hunk.h"
#include "../include/diff_line.h"
// Forward declaration.
struct git_patch {
};

using namespace node;
using namespace v8;

class GitPatch;

struct GitPatchTraits {
  typedef GitPatch cppClass;
  typedef git_patch cType;

  static const bool isDuplicable = false;
  static void duplicate(git_patch **dest, git_patch *src) {
    Nan::ThrowError("duplicate called on GitPatch which cannot be duplicated");
  }

  static const bool isFreeable = true;
  static void free(git_patch *raw) {
    ::git_patch_free(raw); // :: to avoid calling this free recursively
  }
};

class GitPatch : public
  NodeGitWrapper<GitPatchTraits> {
  // grant full access to base class
  friend class NodeGitWrapper<GitPatchTraits>;
public:
  static void InitializeComponent (v8::Local<v8::Object> target);



private:
  GitPatch()
    : NodeGitWrapper<GitPatchTraits>(
        "A new GitPatch cannot be instantiated."
      )
  {}
  GitPatch(git_patch *raw, bool selfFreeing, v8::Local<v8::Object> owner = v8::Local<v8::Object>())
    : NodeGitWrapper<GitPatchTraits>(raw, selfFreeing, owner)
  {}
  ~GitPatch();

  struct FromBlobAndBufferBaton {
    int error_code;
    const git_error* error;
    git_patch * out;
    const git_blob * old_blob;
    const char * old_as_path;
    const char * buffer;
    size_t buffer_len;
    const char * buffer_as_path;
    const git_diff_options * opts;
  };
  class FromBlobAndBufferWorker : public Nan::AsyncWorker {
  public:
    FromBlobAndBufferWorker(
      FromBlobAndBufferBaton *_baton,
      Nan::Callback *callback
    ) : Nan::AsyncWorker(callback)
      , baton(_baton) {};
    ~FromBlobAndBufferWorker() {};
    void Execute();
    void HandleOKCallback();

  private:
    FromBlobAndBufferBaton *baton;
  };

  static NAN_METHOD(FromBlobAndBuffer);

  struct FromBlobsBaton {
    int error_code;
    const git_error* error;
    git_patch * out;
    const git_blob * old_blob;
    const char * old_as_path;
    const git_blob * new_blob;
    const char * new_as_path;
    const git_diff_options * opts;
  };
  class FromBlobsWorker : public Nan::AsyncWorker {
  public:
    FromBlobsWorker(
      FromBlobsBaton *_baton,
      Nan::Callback *callback
    ) : Nan::AsyncWorker(callback)
      , baton(_baton) {};
    ~FromBlobsWorker() {};
    void Execute();
    void HandleOKCallback();

  private:
    FromBlobsBaton *baton;
  };

  static NAN_METHOD(FromBlobs);

  struct FromDiffBaton {
    int error_code;
    const git_error* error;
    git_patch * out;
    git_diff * diff;
    size_t idx;
  };
  class FromDiffWorker : public Nan::AsyncWorker {
  public:
    FromDiffWorker(
      FromDiffBaton *_baton,
      Nan::Callback *callback
    ) : Nan::AsyncWorker(callback)
      , baton(_baton) {};
    ~FromDiffWorker() {};
    void Execute();
    void HandleOKCallback();

  private:
    FromDiffBaton *baton;
  };

  static NAN_METHOD(FromDiff);

  static NAN_METHOD(GetDelta);

  struct GetHunkBaton {
    int error_code;
    const git_error* error;
    const git_diff_hunk * out;
    size_t * lines_in_hunk;
    git_patch * patch;
    size_t hunk_idx;
  };
  class GetHunkWorker : public Nan::AsyncWorker {
  public:
    GetHunkWorker(
      GetHunkBaton *_baton,
      Nan::Callback *callback
    ) : Nan::AsyncWorker(callback)
      , baton(_baton) {};
    ~GetHunkWorker() {};
    void Execute();
    void HandleOKCallback();

  private:
    GetHunkBaton *baton;
  };

  static NAN_METHOD(GetHunk);

  struct GetLineInHunkBaton {
    int error_code;
    const git_error* error;
    const git_diff_line * out;
    git_patch * patch;
    size_t hunk_idx;
    size_t line_of_hunk;
  };
  class GetLineInHunkWorker : public Nan::AsyncWorker {
  public:
    GetLineInHunkWorker(
      GetLineInHunkBaton *_baton,
      Nan::Callback *callback
    ) : Nan::AsyncWorker(callback)
      , baton(_baton) {};
    ~GetLineInHunkWorker() {};
    void Execute();
    void HandleOKCallback();

  private:
    GetLineInHunkBaton *baton;
  };

  static NAN_METHOD(GetLineInHunk);

  static NAN_METHOD(LineStats);

  static NAN_METHOD(NumHunks);

  static NAN_METHOD(NumLinesInHunk);

  static NAN_METHOD(Size);

  struct ConvenientFromDiffBaton {
    int error_code;
    const git_error* error;
    git_diff * diff;
    std::vector<PatchData*> * out;
  };
  class ConvenientFromDiffWorker : public Nan::AsyncWorker {
  public:
    ConvenientFromDiffWorker(
      ConvenientFromDiffBaton *_baton,
      Nan::Callback *callback
    ) : Nan::AsyncWorker(callback)
      , baton(_baton) {};
    ~ConvenientFromDiffWorker() {};
    void Execute();
    void HandleOKCallback();

  private:
    ConvenientFromDiffBaton *baton;
  };

  static NAN_METHOD(ConvenientFromDiff);
};

#endif
