package oidc

import (
	"net/http"

	"alin.ovh/x/log"
	"github.com/benpate/digit"

	"alin.ovh/homestead/shared/config"
	sharedhttp "alin.ovh/homestead/shared/http"
)

type Config struct {
	Email string
	URL   config.URL
}

type Service struct {
	config       Config
	log          *log.Logger
	acctResource string
	resource     digit.Resource
}

func New(opts Config, logger *log.Logger) *Service {
	acctResource := "acct:" + opts.Email
	resource := digit.NewResource(acctResource).
		Link("http://openid.net/specs/connect/1.0/issuer", "", opts.URL.String())

	return &Service{
		config:       opts,
		log:          logger,
		acctResource: acctResource,
		resource:     resource,
	}
}

func (s *Service) RegisterHandlers(mux *sharedhttp.ServeMux) {
	const oidcPath = "/.well-known/openid-configuration"
	mux.ServeMux.Handle(oidcPath,
		sharedhttp.RedirectHandler(s.config.URL.JoinPath(oidcPath), http.StatusFound))
}

func (s *Service) GetResource() string {
	return s.acctResource
}

func (s *Service) GetIdentityResource() digit.Resource {
	return s.resource
}