Initial codex telegram bot source

internal/config/config.go

@@ -0,0 +1,61 @@
+package config
+
+import (
+	"errors"
+	"os"
+	"path/filepath"
+	"strconv"
+	"time"
+)
+
+type Config struct {
+	TelegramToken   string
+	DatabasePath    string
+	CodexSocketPath string
+	UploadDir       string
+	DefaultModel    string
+	DefaultSandbox  string
+	PollTimeout     time.Duration
+	AppVersion      string
+}
+
+func Load() (Config, error) {
+	wd, err := os.Getwd()
+	if err != nil {
+		return Config{}, err
+	}
+
+	cfg := Config{
+		TelegramToken:   os.Getenv("TELEGRAM_BOT_TOKEN"),
+		DatabasePath:    envOr("DB_PATH", filepath.Join(wd, "data", "bot.db")),
+		CodexSocketPath: envOr("HOST_CODEX_SOCKET", filepath.Join(wd, "run", "codex.sock")),
+		UploadDir:       envOr("HOST_UPLOAD_DIR", filepath.Join(wd, "uploads")),
+		DefaultModel:    os.Getenv("DEFAULT_MODEL"),
+		DefaultSandbox:  envOr("DEFAULT_SANDBOX", "workspace-write"),
+		PollTimeout:     durationSeconds("POLL_TIMEOUT_SECONDS", 30),
+		AppVersion:      envOr("APP_VERSION", "0.1.0"),
+	}
+	if cfg.TelegramToken == "" {
+		return Config{}, errors.New("TELEGRAM_BOT_TOKEN is required")
+	}
+	return cfg, nil
+}
+
+func envOr(key, fallback string) string {
+	if value := os.Getenv(key); value != "" {
+		return value
+	}
+	return fallback
+}
+
+func durationSeconds(key string, fallback int) time.Duration {
+	raw := os.Getenv(key)
+	if raw == "" {
+		return time.Duration(fallback) * time.Second
+	}
+	value, err := strconv.Atoi(raw)
+	if err != nil || value <= 0 {
+		return time.Duration(fallback) * time.Second
+	}
+	return time.Duration(value) * time.Second
+}