auth

var (
	ErrTokenExpired = errors.New("token has expired")
	ErrTokenInvalid = errors.New("token is invalid")
)

var (
	// GitHub OAuth 配置
	GitHubOAuth = func(clientID, clientSecret, redirectURL string) OAuthConfig {
		return OAuthConfig{
			ClientID:     clientID,
			ClientSecret: clientSecret,
			RedirectURL:  redirectURL,
			Scopes:       []string{"user:email"},
			AuthURL:      "https://github.com/login/oauth/authorize",
			TokenURL:     "https://github.com/login/oauth/access_token",
			UserInfoURL:  "https://api.github.com/user",
		}
	}

	// Google OAuth 配置
	GoogleOAuth = func(clientID, clientSecret, redirectURL string) OAuthConfig {
		return OAuthConfig{
			ClientID:     clientID,
			ClientSecret: clientSecret,
			RedirectURL:  redirectURL,
			Scopes:       []string{"openid", "profile", "email"},
			AuthURL:      "https://accounts.google.com/o/oauth2/v2/auth",
			TokenURL:     "https://oauth2.googleapis.com/token",
			UserInfoURL:  "https://www.googleapis.com/oauth2/v2/userinfo",
		}
	}

	// Facebook OAuth 配置
	FacebookOAuth = func(clientID, clientSecret, redirectURL string) OAuthConfig {
		return OAuthConfig{
			ClientID:     clientID,
			ClientSecret: clientSecret,
			RedirectURL:  redirectURL,
			Scopes:       []string{"email", "public_profile"},
			AuthURL:      "https://www.facebook.com/v12.0/dialog/oauth",
			TokenURL:     "https://graph.facebook.com/v12.0/oauth/access_token",
			UserInfoURL:  "https://graph.facebook.com/me?fields=id,name,email",
		}
	}
)

var (
	ErrInvalidCode  = errors.New("oauth: invalid authorization code")
	ErrInvalidToken = errors.New("oauth: invalid token")
)