package gueststar

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

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

type GetGuestStarInvitesParams struct {
	// The ID of the broadcaster you want to get guest star settings for.
	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 session ID to query for invite status.
	SessionID string `url:"session_id"`
}

type GetGuestStarInvitesResponse struct {
	// A list of invite objects describing the invited user as well as their ready status.
	Data []Invite `json:"data"`
}

// Provides the caller with a list of pending invites to a Guest Star session, including the invitee’s ready status while joining the waiting room.
//
// Query parameter broadcaster_id must match the user_id in the User-Access token
// Requires OAuth Scope: channel:read:guest_star, channel:manage:guest_star, moderator:read:guest_star or moderator:manage:guest_star
func (g *GuestStar) GetGuestStarInvites(ctx context.Context, params *GetGuestStarInvitesParams) (*GetGuestStarInvitesResponse, error) {
	v, _ := query.Values(params)

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

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

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

	var data GetGuestStarInvitesResponse
	if err := json.NewDecoder(res.Body).Decode(&data); err != nil {
		return nil, err
	}

	return &data, nil
}