snapshot before merge

bot-go/config.go

@@ -0,0 +1,89 @@
+package main
+
+import (
+	"bufio"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+)
+
+type Config struct {
+	TGToken     string
+	AllowedIDs  []int64
+	WritePort   int
+	ControlPort int
+	PreferIface string
+	WriteDir    string
+	BlogDir     string // parent of WriteDir, for hugo
+}
+
+func LoadConfig() *Config {
+	c := &Config{
+		WritePort:   8016,
+		ControlPort: 8017,
+		PreferIface: "WLAN",
+	}
+
+	// Try .env next to executable first, then fallback to cwd
+	exe, _ := os.Executable()
+	envPath := filepath.Join(filepath.Dir(exe), ".env")
+	if _, err := os.Stat(envPath); os.IsNotExist(err) {
+		envPath = ".env"
+	}
+
+	f, err := os.Open(envPath)
+	if err != nil {
+		return c
+	}
+	defer f.Close()
+
+	scanner := bufio.NewScanner(f)
+	for scanner.Scan() {
+		line := strings.TrimSpace(scanner.Text())
+		if line == "" || strings.HasPrefix(line, "#") {
+			continue
+		}
+		parts := strings.SplitN(line, "=", 2)
+		if len(parts) != 2 {
+			continue
+		}
+		key := strings.TrimSpace(parts[0])
+		val := strings.TrimSpace(parts[1])
+
+		switch key {
+		case "TG_BOT_TOKEN":
+			c.TGToken = val
+		case "TG_ALLOWED_CHAT_IDS":
+			for _, s := range strings.Split(val, ",") {
+				s = strings.TrimSpace(s)
+				if id, err := strconv.ParseInt(s, 10, 64); err == nil {
+					c.AllowedIDs = append(c.AllowedIDs, id)
+				}
+			}
+		case "WRITE_PORT":
+			if p, err := strconv.Atoi(val); err == nil {
+				c.WritePort = p
+			}
+		case "BOT_PORT":
+			if p, err := strconv.Atoi(val); err == nil {
+				c.ControlPort = p
+			}
+		case "PREFER_IFACE":
+			c.PreferIface = val
+		}
+	}
+
+	// WriteDir and BlogDir derived from executable location
+	exeDir := filepath.Dir(exe)
+	writeDir := filepath.Join(exeDir, "..", "write")
+	blogDir := filepath.Join(exeDir, "..")
+	if abs, err := filepath.Abs(writeDir); err == nil {
+		c.WriteDir = abs
+	}
+	if abs, err := filepath.Abs(blogDir); err == nil {
+		c.BlogDir = abs
+	}
+
+	return c
+}