Add admin menu and Remnawave panel integration

internal/config/config.go

@@ -0,0 +1,58 @@
+package config
+
+import (
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+)
+
+type Config struct {
+	BotToken         string
+	BotDebug         bool
+	TelegramAdminID  int64
+	RemnawaveName    string
+	RemnawaveURL     string
+	RemnawaveToken   string
+	RemnawaveCaddy   string
+}
+
+func Load() (*Config, error) {
+	token := strings.TrimSpace(os.Getenv("BOT_TOKEN"))
+	if token == "" {
+		return nil, fmt.Errorf("BOT_TOKEN не задан")
+	}
+
+	adminID, err := strconv.ParseInt(strings.TrimSpace(os.Getenv("TELEGRAM_ADMIN_ID")), 10, 64)
+	if err != nil || adminID <= 0 {
+		return nil, fmt.Errorf("TELEGRAM_ADMIN_ID не задан или неверный")
+	}
+
+	panelURL := strings.TrimRight(strings.TrimSpace(os.Getenv("REMNAWAVE_PANEL_URL")), "/")
+	if panelURL == "" {
+		return nil, fmt.Errorf("REMNAWAVE_PANEL_URL не задан")
+	}
+	if !strings.HasPrefix(panelURL, "http://") && !strings.HasPrefix(panelURL, "https://") {
+		return nil, fmt.Errorf("REMNAWAVE_PANEL_URL должен начинаться с http:// или https://")
+	}
+
+	panelToken := strings.TrimSpace(os.Getenv("REMNAWAVE_API_TOKEN"))
+	if panelToken == "" {
+		return nil, fmt.Errorf("REMNAWAVE_API_TOKEN не задан (создайте в панели: Settings → API Tokens)")
+	}
+
+	name := strings.TrimSpace(os.Getenv("REMNAWAVE_PANEL_NAME"))
+	if name == "" {
+		name = "Панель 1"
+	}
+
+	return &Config{
+		BotToken:        token,
+		BotDebug:        strings.EqualFold(strings.TrimSpace(os.Getenv("BOT_DEBUG")), "true"),
+		TelegramAdminID: adminID,
+		RemnawaveName:   name,
+		RemnawaveURL:    panelURL,
+		RemnawaveToken:  panelToken,
+		RemnawaveCaddy:  strings.TrimSpace(os.Getenv("REMNAWAVE_CADDY_TOKEN")),
+	}, nil
+}