package auth

import (
	"context"
	"net/http"

	"github.com/pkg/errors"
)

type GetClaimsFunc func(ctx context.Context, r *http.Request, claims ...string) ([]string, error)

type Option struct {
	GetClaims     GetClaimsFunc
	ProfileClaims []string
}

type OptionFunc func(*Option)

func defaultOptions() *Option {
	return &Option{
		GetClaims: dummyGetClaims,
		ProfileClaims: []string{
			ClaimSubject,
			ClaimIssuer,
			ClaimEdgeEntrypoint,
			ClaimEdgeRole,
			ClaimPreferredUsername,
			ClaimEdgeTenant,
		},
	}
}

func dummyGetClaims(ctx context.Context, r *http.Request, claims ...string) ([]string, error) {
	return nil, errors.Errorf("dummy getclaim func cannot retrieve claims '%s'", claims)
}

func WithGetClaims(fn GetClaimsFunc) OptionFunc {
	return func(o *Option) {
		o.GetClaims = fn
	}
}

func WithProfileClaims(claims ...string) OptionFunc {
	return func(o *Option) {
		o.ProfileClaims = claims
	}
}