// Copyright (c) 2026 Probo Inc <hello@probo.com>.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

//go:build darwin || windows

package tray

import (
	"fmt"
	"net/url"
	"os/exec"
	"runtime"
	"strings"
)

func openBrowser(rawURL string) error {
	if err := validateBrowserURL(rawURL); err != nil {
		return fmt.Errorf("cannot open browser URL: %w", err)
	}

	switch runtime.GOOS {
	case "darwin":
		return exec.Command("open", rawURL).Start()
	case "windows":
		return exec.Command(
			"rundll32",
			"url.dll,FileProtocolHandler",
			rawURL,
		).Start()
	default:
		return fmt.Errorf("unsupported platform %q", runtime.GOOS)
	}
}

func validateBrowserURL(rawURL string) error {
	parsed, err := url.Parse(rawURL)
	if err != nil {
		return fmt.Errorf("cannot parse URL: %w", err)
	}

	scheme := strings.ToLower(parsed.Scheme)
	if scheme != "http" && scheme != "https" {
		return fmt.Errorf("unsupported URL scheme %q", parsed.Scheme)
	}

	return nil
}