package git

import "strconv"

// GetHash returns the commit hash for the current HEAD
func (g *Git) GetHash() (string, error) {

	out, err := g.Execute("rev-parse", "HEAD")
	if err != nil {
		return "", err
	}

	return out, nil
}

// GetCommitRemote returns the commit hash for the current HEAD on the remote
func (g *Git) GetCommitRemote() (string, error) {

	out, err := g.Execute("ls-remote", "origin", "HEAD")
	if err != nil {
		return "", err
	}

	return out, nil
}

// GetCommitsAhead returns the number of commits ahead of main
func (g *Git) GetCommitsAhead() (int, error) {

	out, err := g.Execute("rev-list", "--count", "HEAD", "^"+g.MainBranch)
	if err != nil {
		return 0, err
	}

	return strconv.Atoi(out)
}