core

var (
	ErrUserAlreadyExists = errors.New("a user with this name already exists")
	ErrUserNotFound      = errors.New("user not found")
)

var Config = func() AppConfig {
	config := AppConfig{
		DbPath:             resolvePath(os.Getenv("GENESIS_DB_PATH")),
		BaseUrl:            os.Getenv("GENESIS_BASE_URL"),
		JWTSecret:          []byte(os.Getenv("GENESIS_JWT_SECRET")),
		JWTExpiration:      time.Duration(parseInt(os.Getenv("GENESIS_JWT_TOKEN_EXPIRATION"))) * time.Minute,
		JWTCookieAllowHTTP: os.Getenv("GENESIS_JWT_COOKIE_ALLOW_HTTP") == "true",
		AppBuildVersion:    os.Getenv("GENESIS_BUILD_VERSION"),
		AppBuildDate:       os.Getenv("GENESIS_BUILD_DATE"),
		AppBuildCommit:     os.Getenv("GENESIS_BUILD_COMMIT"),
		AppGinMode:         os.Getenv("GENESIS_GIN_MODE"),
		AppPort:            os.Getenv("GENESIS_PORT"),
		AppUsersToCreate:   parseInitialUserList(os.Getenv("GENESIS_CREATE_USERS")),
		AppUserPattern:     regexp.MustCompile(os.Getenv("GENESIS_USERNAME_PATTERN")),
		AppKeyPattern:      regexp.MustCompile(os.Getenv("GENESIS_KEY_PATTERN")),
		AppDataMaxSize:     parseInt(os.Getenv("GENESIS_DATA_MAX_SIZE")) * 1000,
		AppKeysPerUser:     parseInt(os.Getenv("GENESIS_KEYS_PER_USER")),
	}

	Logger.Debug("build info",
		zap.String("version", config.AppBuildVersion),
		zap.String("date", config.AppBuildDate),
		zap.String("commit", config.AppBuildCommit),
	)

	return config
}()

var Logger = func() *zap.Logger {
	_, filename, _, _ := runtime.Caller(0)
	var root = path.Join(path.Dir(filename), "..")

	envFile := path.Join(root, ".env")
	if testing.Testing() {
		envFile = path.Join(root, ".env.test")
	}

	envSkipped := godotenv.Load(envFile)

	var cfg zap.Config
	if os.Getenv("GENESIS_LOG_MODE") == "production" {
		cfg = zap.NewProductionConfig()
	} else {
		cfg = zap.NewDevelopmentConfig()
	}

	logger, err := cfg.Build(zap.AddCallerSkip(1))
	if err != nil {
		log.Fatal(err)
	}

	if envSkipped != nil {
		logger.Debug(".env file skipped")
	}

	return logger
}()