feat: initial commit

internal/config/config.go

@@ -0,0 +1,69 @@
+package config
+
+import (
+	"fmt"
+	"os"
+	"github.com/kelseyhightower/envconfig"
+)
+
+type Config struct {
+	Bot    BotConfig
+	N8n    N8nConfig
+	Speech SpeechConfig
+	Redis  RedisConfig
+	Server ServerConfig
+	Log    LogConfig
+}
+
+type BotConfig struct {
+	Token      string `envconfig:"TELEGRAM_BOT_TOKEN" required:"true"`
+	Mode       string `envconfig:"BOT_MODE"           default:"polling"`
+	WebhookURL string `envconfig:"TELEGRAM_WEBHOOK_URL"`
+	Debug      bool   `envconfig:"TELEGRAM_DEBUG"     default:"false"`
+}
+
+type N8nConfig struct {
+	BaseURL     string `envconfig:"N8N_BASE_URL"    required:"true"`
+	AuthToken   string `envconfig:"N8N_AUTH_TOKEN"`
+	TimeoutSecs int    `envconfig:"N8N_TIMEOUT"     default:"30"`
+	RetryCount  int    `envconfig:"N8N_RETRY_COUNT" default:"3"`
+}
+
+type SpeechConfig struct {
+	Provider     string `envconfig:"STT_PROVIDER"     default:"openai"`
+	OpenAIKey    string `envconfig:"OPENAI_API_KEY"`
+	WhisperModel string `envconfig:"WHISPER_MODEL"    default:"whisper-1"`
+	Language     string `envconfig:"WHISPER_LANGUAGE" default:""`
+	FFmpegPath   string `envconfig:"FFMPEG_PATH"      default:"ffmpeg"`
+}
+
+type RedisConfig struct {
+	URL      string `envconfig:"REDIS_URL"   default:"redis://localhost:6379"`
+	TTLHours int    `envconfig:"SESSION_TTL" default:"24"`
+}
+
+type ServerConfig struct {
+	Port int `envconfig:"SERVER_PORT" default:"8080"`
+}
+
+type LogConfig struct {
+	Level  string `envconfig:"LOG_LEVEL"  default:"info"`
+	Format string `envconfig:"LOG_FORMAT" default:"json"`
+}
+
+func Load() (*Config, error) {
+	var cfg Config
+	if err := envconfig.Process("", &cfg); err != nil {
+		return nil, fmt.Errorf("load config: %w", err)
+	}
+	return &cfg, nil
+}
+
+func MustLoad() *Config {
+	cfg, err := Load()
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "fatal: %v\n", err)
+		os.Exit(1)
+	}
+	return cfg
+}