package github

import (
	"context"
	"net/http"

	"github.com/google/go-github/v70/github"
	"golang.org/x/oauth2"
)

// Factory creates new GitHub clients.
// It exists only for the ability to test the code easily.
type Factory struct {
	// Client allows overriding the client to use in the GH client returned. It exists primarily for testing.
	Client *http.Client
}

func ProvideFactory() *Factory {
	return &Factory{}
}

func (r *Factory) New(ctx context.Context, ghToken string) Client {
	if r.Client != nil {
		return NewClient(github.NewClient(r.Client))
	}

	tokenSrc := oauth2.StaticTokenSource(
		&oauth2.Token{AccessToken: ghToken},
	)

	if len(ghToken) == 0 {
		tokenClient := oauth2.NewClient(ctx, tokenSrc)
		return NewClient(github.NewClient(tokenClient))
	}

	return NewClient(github.NewClient(&http.Client{}))
}