package gueststar

import (
	"context"
	"fmt"
	"net/http"

	"github.com/google/go-querystring/query"
	"go.fifitido.net/twitch/api/endpoint"
)

type UpdateGuestStarSlot struct {
	// The ID of the broadcaster running the Guest Star session.
	BroadcasterID string `url:"broadcaster_id"`

	// The ID of the broadcaster or a user that has permission to moderate the broadcaster’s chat room.
	// This ID must match the user_id in the user access token.
	ModeratorID string `url:"moderator_id"`

	// The ID of the Guest Star session in which to update slot settings.
	SessionID string `url:"session_id"`

	// The slot assignment previously assigned to a user.
	SourceSlotID int `url:"source_slot_id"`

	// The slot to move this user assignment to. If the destination slot is occupied, the user assigned will be swapped into source_slot_id.
	DestinationSlotID int `url:"destination_slot_id"`
}

// Allows a user to update the assigned slot for a particular user within the active Guest Star session.
//
// Query parameter moderator_id must match the user_id in the User-Access token
// Requires OAuth Scope: channel:manage:guest_star or moderator:manage:guest_star
func (g *GuestStar) UpdateGuestStarSlot(ctx context.Context, params *UpdateGuestStarSlot) error {
	v, _ := query.Values(params)

	req, err := http.NewRequestWithContext(ctx, http.MethodPost, endpoint.Make(g.baseUrl, "guest_star/slot", v), nil)
	if err != nil {
		return err
	}

	res, err := g.client.Do(req)
	if err != nil {
		return err
	}
	defer res.Body.Close()

	statusOK := res.StatusCode >= 200 && res.StatusCode < 300
	if !statusOK {
		return fmt.Errorf("failed to update guest star slot (%d)", res.StatusCode)
	}

	return nil
}