package caldav

import (
	"net/http"

	"github.com/emersion/go-webdav"
	"github.com/emersion/go-webdav/internal"
)

// Client provides access to a remote CardDAV server.
type Client struct {
	*webdav.Client

	ic *internal.Client
}

func NewClient(c *http.Client, endpoint string) (*Client, error) {
	wc, err := webdav.NewClient(c, endpoint)
	if err != nil {
		return nil, err
	}
	ic, err := internal.NewClient(c, endpoint)
	if err != nil {
		return nil, err
	}
	return &Client{wc, ic}, nil
}

func (c *Client) SetBasicAuth(username, password string) {
	c.Client.SetBasicAuth(username, password)
	c.ic.SetBasicAuth(username, password)
}

func (c *Client) FindCalendarHomeSet(principal string) (string, error) {
	propfind := internal.NewPropNamePropfind(calendarHomeSetName)
	resp, err := c.ic.PropfindFlat(principal, propfind)
	if err != nil {
		return "", err
	}

	var prop calendarHomeSet
	if err := resp.DecodeProp(&prop); err != nil {
		return "", err
	}

	return prop.Href.Path, nil
}