package gueststar

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

	"github.com/google/go-querystring/query"
)

type EndGuestStarSession struct {
	// The ID of the broadcaster you want to end a Guest Star session for. Provided broadcaster_id must match the user_id in the auth token.
	BroadcasterID string `url:"broadcaster_id"`

	// ID for the session to end on behalf of the broadcaster.
	SessionID string `url:"session_id"`
}

type EndGuestStarSessionResponse struct {
	// Summary of the session details when the session was ended.
	Data []Session `json:"data"`
}

// Programmatically ends a Guest Star session on behalf of the broadcaster.
// Performs the same action as if the host clicked the “End Call” button in the Guest Star UI.
//
// Query parameter broadcaster_id must match the user_id in the User-Access token
// Requires OAuth Scope: channel:manage:guest_star
func (g *GuestStar) EndGuestStarSession(ctx context.Context, params *EndGuestStarSession) (*EndGuestStarSessionResponse, error) {
	v, _ := query.Values(params)
	endpoint := g.baseUrl.ResolveReference(&url.URL{Path: "guest_star/session", RawQuery: v.Encode()})

	req, err := http.NewRequestWithContext(ctx, http.MethodDelete, endpoint.String(), 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 end guest star session (%d)", res.StatusCode)
	}

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

	return &data, nil
}