//go:build darwin

package winapi

import (
	"bytes"
	"os/exec"
	"strings"
)

// GetWifiConnection đọc SSID và BSSID từ ipconfig (macOS)
func GetWifiConnection() WifiConnection {
	// Find Wi-Fi interface dynamically
	wifiInterface := "en0"
	cmdPort := exec.Command("networksetup", "-listallhardwareports")
	if outPort, err := cmdPort.Output(); err == nil {
		lines := strings.Split(string(outPort), "\n")
		for i := 0; i < len(lines)-1; i++ {
			if strings.Contains(lines[i], "Hardware Port: Wi-Fi") {
				next := strings.TrimSpace(lines[i+1])
				if strings.HasPrefix(next, "Device:") {
					wifiInterface = strings.TrimSpace(strings.TrimPrefix(next, "Device:"))
					break
				}
			}
		}
	}

	cmd := exec.Command("ipconfig", "getsummary", wifiInterface)
	var out bytes.Buffer
	cmd.Stdout = &out
	if err := cmd.Run(); err != nil {
		return WifiConnection{}
	}

	var conn WifiConnection
	for _, line := range strings.Split(out.String(), "\n") {
		trimmed := strings.TrimSpace(line)
		if strings.HasPrefix(trimmed, "SSID :") {
			conn.SSID = strings.TrimSpace(strings.TrimPrefix(trimmed, "SSID :"))
		} else if strings.HasPrefix(trimmed, "BSSID :") {
			conn.BSSID = normalizeMAC(strings.TrimSpace(strings.TrimPrefix(trimmed, "BSSID :")))
		}
	}
	return conn
}