package gitea

import (
	"bytes"
	"io"

	"code.gitea.io/sdk/gitea"
)

type Adapter struct {
	client *gitea.Client
}

func New(baseURL, token string) (*Adapter, error) {
	client, err := gitea.NewClient(baseURL, gitea.SetToken(token))
	if err != nil {
		return nil, err
	}
	return &Adapter{
		client: client,
	}, nil
}

func (g *Adapter) GetDiff(owner, repo string, prID int) (io.Reader, error) {
	diff, _, err := g.client.GetPullRequestDiff(owner, repo, int64(prID), gitea.PullRequestDiffOptions{})
	if err != nil {
		return nil, err
	}
	return bytes.NewReader(diff), nil
}