// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.

package console_v1

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

// probeConnection makes a lightweight API call to the given URL to verify
// the OAuth token is still valid. The probe URL is configured per
// connector in the connector registry.
func probeConnection(ctx context.Context, httpClient *http.Client, probeURL string) error {
	if probeURL == "" {
		return nil
	}

	req, err := http.NewRequestWithContext(ctx, http.MethodGet, probeURL, nil)
	if err != nil {
		return fmt.Errorf("cannot create probe request: %w", err)
	}

	req.Header.Set("Accept", "application/json")

	resp, err := httpClient.Do(req)
	if err != nil {
		return fmt.Errorf("probe request failed: %w", err)
	}

	defer func() {
		_, _ = io.Copy(io.Discard, resp.Body)
		_ = resp.Body.Close()
	}()

	if resp.StatusCode == http.StatusUnauthorized || resp.StatusCode == http.StatusForbidden {
		return fmt.Errorf("token rejected: status %d", resp.StatusCode)
	}

	return nil
}