package commit

import (

"bytes"

"context"

"fmt"

"github.com/adlternative/tinygithub/pkg/cmd"

"github.com/adlternative/tinygithub/pkg/git/object"

"go.uber.org/zap/buffer"

"strings"

)

type Object struct {

ID *object.ID `json:"id"`

RelativeDate string `json:"date"`

Header string `json:"header"`

Message string `json:"message"`

}

func ParseCommit(ctx context.Context, repoPath string, commitID *object.ID) (*Object, error) {

var stderrBuf strings.Builder

var stdoutBuf buffer.Buffer

gitCmd := cmd.NewGitCommand("log").WithGitDir(repoPath).

WithOptions("--max-count=1", "--date=relative", "--format=%cd%x00%s%x00%B").

WithArgs(commitID.String()).

WithStderr(&stderrBuf).WithStdout(&stdoutBuf)

if err := gitCmd.Start(ctx); err != nil {

return nil, fmt.Errorf("git log start failed with %w", err)

}

if err := gitCmd.Wait(); err != nil {

return nil, fmt.Errorf("git log failed with stderr:%v, error:%w", stderrBuf.String(), err)

}

parts := bytes.Split(stdoutBuf.Bytes(), []byte{0})

if len(parts) != 3 {

return nil, fmt.Errorf("invalid git log output format: %v", stdoutBuf)

}

return &Object{

ID: commitID,

RelativeDate: string(parts[0]),

Header: string(parts[1]),

Message: string(parts[2]),

}, nil

}