config

type AccountGenerationHttpService struct {
	Url     string `json:"url"`
	Timeout int    `json:"timeout"`
	Headers struct {
		Authorization string `json:"Authorization"`
	} `json:"headers"`
}

type AccountNumberGenerationConfig struct {
	EnableAutoGeneration bool                         `json:"enable_auto_generation"`
	HttpService          AccountGenerationHttpService `json:"http_service"`
}

type Configuration struct {
	ProjectName             string                        `json:"project_name"              envconfig:"BLNK_PROJECT_NAME"`
	BackupDir               string                        `json:"backup_dir"                envconfig:"BLNK_BACKUP_DIR"`
	AwsAccessKeyId          string                        `json:"aws_access_key_id"         envconfig:"BLNK_AWS_ACCESS_KEY_ID"`
	S3Endpoint              string                        `json:"s3_endpoint"               envconfig:"BLNK_S3_ENDPOINT"`
	AwsSecretAccessKey      string                        `json:"aws_secret_access_key"     envconfig:"BLNK_AWS_SECRET_ACCESS_KEY"`
	S3BucketName            string                        `json:"s3_bucket_name"            envconfig:"BLNK_S3_BUCKET_NAME"`
	S3Region                string                        `json:"s3_region"                 envconfig:"BLNK_S3_REGION"`
	Server                  ServerConfig                  `json:"server"`
	DataSource              DataSourceConfig              `json:"data_source"`
	Redis                   RedisConfig                   `json:"redis"`
	TypeSense               TypeSenseConfig               `json:"typesense"`
	TypeSenseKey            string                        `json:"type_sense_key"            envconfig:"BLNK_TYPESENSE_KEY"`
	TokenizationSecret      string                        `json:"tokenization_secret"       envconfig:"BLNK_TOKENIZATION_SECRET"`
	AccountNumberGeneration AccountNumberGenerationConfig `json:"account_number_generation"`
	Notification            Notification                  `json:"notification"`
	RateLimit               RateLimitConfig               `json:"rate_limit"`
	EnableTelemetry         bool                          `json:"enable_telemetry"          envconfig:"BLNK_ENABLE_TELEMETRY"`
	EnableObservability     bool                          `json:"enable_observability"      envconfig:"BLNK_ENABLE_OBSERVABILITY"`
	MonitoringDSN           string                        `json:"monitoring_dsn"            envconfig:"BLNK_MONITORING_DSN"`
	Transaction             TransactionConfig             `json:"transaction"`
	Reconciliation          ReconciliationConfig          `json:"reconciliation"`
	Queue                   QueueConfig                   `json:"queue"`
}

type DataSourceConfig struct {
	Dns             string        `json:"dns"                envconfig:"BLNK_DATA_SOURCE_DNS"`
	MaxOpenConns    int           `json:"max_open_conns"     envconfig:"BLNK_DATABASE_MAX_OPEN_CONNS"`
	MaxIdleConns    int           `json:"max_idle_conns"     envconfig:"BLNK_DATABASE_MAX_IDLE_CONNS"`
	ConnMaxLifetime time.Duration `json:"conn_max_lifetime"  envconfig:"BLNK_DATABASE_CONN_MAX_LIFETIME"`
	ConnMaxIdleTime time.Duration `json:"conn_max_idle_time" envconfig:"BLNK_DATABASE_CONN_MAX_IDLE_TIME"`
}

type HashChainConfig struct {
	Enabled       bool          `json:"enabled"        envconfig:"BLNK_TRANSACTION_HASHCHAIN_ENABLED"`
	PollInterval  time.Duration `json:"poll_interval"  envconfig:"BLNK_TRANSACTION_HASHCHAIN_POLL_INTERVAL"`
	BatchSize     int           `json:"batch_size"     envconfig:"BLNK_TRANSACTION_HASHCHAIN_BATCH_SIZE"`
	TrailingDelay time.Duration `json:"trailing_delay" envconfig:"BLNK_TRANSACTION_HASHCHAIN_TRAILING_DELAY"`
}

type Notification struct {
	Slack   SlackWebhook  `json:"slack"`
	Webhook WebhookConfig `json:"webhook"`
}

type QueueConfig struct {
	TransactionQueue                string        `json:"transaction_queue"                  envconfig:"BLNK_QUEUE_TRANSACTION"`
	WebhookQueue                    string        `json:"webhook_queue"                      envconfig:"BLNK_QUEUE_WEBHOOK"`
	IndexQueue                      string        `json:"index_queue"                        envconfig:"BLNK_QUEUE_INDEX"`
	InflightExpiryQueue             string        `json:"inflight_expiry_queue"              envconfig:"BLNK_QUEUE_INFLIGHT_EXPIRY"`
	InflightCommitQueue             string        `json:"inflight_commit_queue"              envconfig:"BLNK_QUEUE_INFLIGHT_COMMIT"`
	NumberOfQueues                  int           `json:"number_of_queues"                   envconfig:"BLNK_QUEUE_NUMBER_OF_QUEUES"`
	EnableHotLane                   bool          `json:"enable_hot_lane"                    envconfig:"BLNK_QUEUE_ENABLE_HOT_LANE"`
	HotQueueName                    string        `json:"hot_queue_name"                     envconfig:"BLNK_QUEUE_HOT_QUEUE_NAME"`
	HotQueueConcurrency             int           `json:"hot_queue_concurrency"              envconfig:"BLNK_QUEUE_HOT_QUEUE_CONCURRENCY"`
	HotPairTTL                      time.Duration `json:"hot_pair_ttl"                       envconfig:"BLNK_QUEUE_HOT_PAIR_TTL"`
	HotPairLockContentionThreshold  int           `json:"hot_pair_lock_contention_threshold" envconfig:"BLNK_QUEUE_HOT_PAIR_LOCK_CONTENTION_THRESHOLD"`
	RejectLockContentionImmediately bool          `json:"reject_lock_contention_immediately" envconfig:"BLNK_QUEUE_REJECT_LOCK_CONTENTION_IMMEDIATELY"`
	InsufficientFundRetries         bool          `json:"insufficient_fund_retries"          envconfig:"BLNK_QUEUE_INSUFFICIENT_FUND_RETRIES"`
	MaxRetryAttempts                int           `json:"max_retry_attempts"                 envconfig:"BLNK_QUEUE_MAX_RETRY_ATTEMPTS"`
	MonitoringPort                  string        `json:"monitoring_port"                    envconfig:"BLNK_QUEUE_MONITORING_PORT"`
	WebhookConcurrency              int           `json:"webhook_concurrency"                envconfig:"BLNK_QUEUE_WEBHOOK_CONCURRENCY"`
	TransactionWorkerConcurrency    int           `json:"transaction_worker_concurrency"     envconfig:"BLNK_QUEUE_TRANSACTION_WORKER_CONCURRENCY"`
}

type RateLimitConfig struct {
	RequestsPerSecond  *float64 `json:"requests_per_second"  envconfig:"BLNK_RATE_LIMIT_RPS"`
	Burst              *int     `json:"burst"                envconfig:"BLNK_RATE_LIMIT_BURST"`
	CleanupIntervalSec *int     `json:"cleanup_interval_sec" envconfig:"BLNK_RATE_LIMIT_CLEANUP_INTERVAL_SEC"`
}

type ReconciliationConfig struct {
	DefaultStrategy  string        `json:"default_strategy"  envconfig:"BLNK_RECONCILIATION_DEFAULT_STRATEGY"`
	ProgressInterval int           `json:"progress_interval" envconfig:"BLNK_RECONCILIATION_PROGRESS_INTERVAL"`
	MaxRetries       int           `json:"max_retries"       envconfig:"BLNK_RECONCILIATION_MAX_RETRIES"`
	RetryDelay       time.Duration `json:"retry_delay"       envconfig:"BLNK_RECONCILIATION_RETRY_DELAY"`
}

type RedisConfig struct {
	Dns           string `json:"dns"             envconfig:"BLNK_REDIS_DNS"`
	SkipTLSVerify bool   `json:"skip_tls_verify" envconfig:"BLNK_REDIS_SKIP_TLS_VERIFY"`
	PoolSize      int    `json:"pool_size"       envconfig:"BLNK_REDIS_POOL_SIZE"`
	MinIdleConns  int    `json:"min_idle_conns"  envconfig:"BLNK_REDIS_MIN_IDLE_CONNS"`
}

type ServerConfig struct {
	SSL                  bool   `json:"ssl"                      envconfig:"BLNK_SERVER_SSL"`
	CertStoragePath      string `json:"cert_storage_path"        envconfig:"BLNK_CERT_STORAGE_PATH"`
	Secure               bool   `json:"secure"                   envconfig:"BLNK_SERVER_SECURE"`
	SecretKey            string `json:"secret_key"               envconfig:"BLNK_SERVER_SECRET_KEY"`
	Domain               string `json:"domain"                   envconfig:"BLNK_SERVER_SSL_DOMAIN"`
	Email                string `json:"ssl_email"                envconfig:"BLNK_SERVER_SSL_EMAIL"`
	Port                 string `json:"port"                     envconfig:"BLNK_SERVER_PORT"`
	MetricsBearerToken   string `json:"metrics_bearer_token"     envconfig:"BLNK_METRICS_BEARER_TOKEN"`
	MaxUploadSizeMB      int64  `json:"max_upload_size_mb"       envconfig:"BLNK_SERVER_MAX_UPLOAD_SIZE_MB"`
	MaxRequestBodySizeMB int64  `json:"max_request_body_size_mb" envconfig:"BLNK_SERVER_MAX_REQUEST_BODY_SIZE_MB"`

	// UploadWhitelist is a comma-separated list of exact hostnames permitted as
	// targets for URL-based reconciliation uploads (BLNK_UPLOAD_DOMAIN_WHITELIST).
	// Empty/unset means deny-by-default: every URL upload is rejected. Listing a
	// bare IP literal or "localhost" is unsafe and defeats the SSRF guard.
	UploadDomainWhitelist string `json:"upload_whitelist"       envconfig:"BLNK_UPLOAD_DOMAIN_WHITELIST"`
	// UploadURLTimeoutSec caps the HTTP GET issued for a URL-based upload
	// (BLNK_UPLOAD_URL_TIMEOUT_SEC). Defaults to DEFAULT_UPLOAD_URL_TIMEOUT_SEC.
	UploadURLTimeoutSec int `json:"upload_url_timeout_sec" envconfig:"BLNK_UPLOAD_URL_TIMEOUT_SEC"`
}

type SlackWebhook struct {
	WebhookUrl string `json:"webhook_url" envconfig:"BLNK_SLACK_WEBHOOK_URL"`
}

type TransactionConfig struct {
	BatchSize                  int             `json:"batch_size"                    envconfig:"BLNK_TRANSACTION_BATCH_SIZE"`
	MaxQueueSize               int             `json:"max_queue_size"                envconfig:"BLNK_TRANSACTION_MAX_QUEUE_SIZE"`
	MaxWorkers                 int             `json:"max_workers"                   envconfig:"BLNK_TRANSACTION_MAX_WORKERS"`
	LockDuration               time.Duration   `json:"lock_duration"                 envconfig:"BLNK_TRANSACTION_LOCK_DURATION"`
	LockWaitTimeout            time.Duration   `json:"lock_wait_timeout"             envconfig:"BLNK_TRANSACTION_LOCK_WAIT_TIMEOUT"`
	IndexQueuePrefix           string          `json:"index_queue_prefix"            envconfig:"BLNK_TRANSACTION_INDEX_QUEUE_PREFIX"`
	EnableCoalescing           bool            `json:"enable_coalescing"             envconfig:"BLNK_TRANSACTION_ENABLE_COALESCING"`
	EnableQueuedChecks         bool            `json:"enable_queued_checks"          envconfig:"BLNK_TRANSACTION_ENABLE_QUEUED_CHECKS"`
	DisableBatchReferenceCheck bool            `json:"disable_batch_reference_check" envconfig:"BLNK_TRANSACTION_DISABLE_BATCH_REFERENCE_CHECK"`
	HashChain                  HashChainConfig `json:"hash_chain"`
}

type TypeSenseConfig struct {
	Dns string `json:"dns" envconfig:"BLNK_TYPESENSE_DNS"`
}

type WebhookConfig struct {
	Url     string            `json:"url"     envconfig:"BLNK_WEBHOOK_URL"`
	Headers map[string]string `json:"headers" envconfig:"BLNK_WEBHOOK_HEADERS"`
}