package gueststar

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

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

type AssignGuestStarSlot 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 assign the slot.
	SessionID string `url:"session_id"`

	// The Twitch User ID corresponding to the guest to assign a slot in the session.
	// This user must already have an invite to this session, and have indicated that they are ready to join.
	GuestID string `url:"guest_id"`

	// The slot assignment to give to the user. Must be a numeric identifier between “1” and “N” where N is the max number of slots for the session.
	// Max number of slots allowed for the session is reported by Get Channel Guest Star Settings.
	SlotID int `url:"slot_id"`
}

// Allows a previously invited user to be assigned a slot within the active Guest Star session, once that guest has indicated they are ready to join.
//
// 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) AssignGuestStarSlot(ctx context.Context, params *AssignGuestStarSlot) 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 assign guest star slot (%d)", res.StatusCode)
	}

	return nil
}