package client

import (
	"fmt"
	"net/url"
	"strings"

	"somehole.com/service/oauth2/session"
)

type AuthorizationUrl struct {
	*Client
	*session.Session
	ResponseType string
}

func NewAuthorizationUrl(client *Client, id session.SessionId, responseType string) (url *AuthorizationUrl, err error) {
	ses, ok := client.sessions[id]
	if !ok {
		err = fmt.Errorf("no session found")
	}
	url = &AuthorizationUrl{
		Client:       client,
		Session:      ses,
		ResponseType: responseType,
	}
	return
}

func (a *AuthorizationUrl) Url() *url.URL {
	v := url.Values{
		"response_type": {a.ResponseType},
		"client_id":     {a.ClientId},
		"redirect_uri":  {a.RedirectUri},
		"scope":         {strings.Join(a.Scopes, " ")},
		"state":         {string(a.State)},
	}
	return &url.URL{
		Scheme:   "https",
		Host:     a.Host,
		Path:     a.AuthorizationUrlPath,
		RawQuery: v.Encode(),
	}
}

func (a *AuthorizationUrl) String() string {
	return a.Url().String()
}