const (
	CompressionNone    = CompressionMethod(compress.None)
	CompressionLZ4     = CompressionMethod(compress.LZ4)
	CompressionZSTD    = CompressionMethod(compress.ZSTD)
	CompressionGZIP    = CompressionMethod(0x95)
	CompressionDeflate = CompressionMethod(0x96)
	CompressionBrotli  = CompressionMethod(0x97)
)

const (
	ClientVersionMajor       = 2
	ClientVersionMinor       = 14
	ClientVersionPatch       = 3
	ClientTCPProtocolVersion = proto.DBMS_TCP_PROTOCOL_VERSION
)

const ClientName = "clickhouse-go"

var (
	ErrBatchInvalid              = errors.New("clickhouse: batch is invalid. check appended data is correct")
	ErrBatchAlreadySent          = errors.New("clickhouse: batch has already been sent")
	ErrBatchNotSent              = errors.New("clickhouse: invalid retry, batch not sent yet")
	ErrAcquireConnTimeout        = errors.New("clickhouse: acquire conn timeout. you can increase the number of max open conn or the dial timeout")
	ErrUnsupportedServerRevision = errors.New("clickhouse: unsupported server revision")
	ErrBindMixedParamsFormats    = errors.New("clickhouse [bind]: mixed named, numeric or positional parameters")
	ErrAcquireConnNoAddress      = errors.New("clickhouse: no valid address supplied")
	ErrServerUnexpectedData      = errors.New("code: 101, message: Unexpected packet Data received from client")
)

var (
	ErrExpectedStringValueInNamedValueForQueryParameter = errors.New("expected string value in NamedValue for query parameter")
)

type ArraySet []any

type Auth struct {
	Database string
	Username string
	Password string
}

type ClientInfo struct {
	Products []struct {
		Name    string
		Version string
	}
	// contains filtered or unexported fields
}

type Compression struct {
	Method CompressionMethod
	// this only applies to zlib and brotli compression algorithms
	Level int
}

type CompressionMethod byte

type Conn = driver.Conn

type ConnOpenStrategy uint8

const (
	ConnOpenInOrder ConnOpenStrategy = iota
	ConnOpenRoundRobin
)

type CustomSetting struct {
	Value string
}

type Dial func(ctx context.Context, addr string, opt *Options) (DialResult, error)

type DialResult struct {
	// contains filtered or unexported fields
}

type Exception = proto.Exception

type GroupSet struct {
	Value []any
}

type HTTPReaderWriter struct {
	// contains filtered or unexported fields
}

type Log struct {
	Time      time.Time
	TimeMicro uint32
	Hostname  string
	QueryID   string
	ThreadID  uint64
	Priority  int8
	Source    string
	Text      string
}

type OpError struct {
	Op         string
	ColumnName string
	Err        error
}

type Options struct {
	Protocol   Protocol
	ClientInfo ClientInfo

	TLS                  *tls.Config
	Addr                 []string
	Auth                 Auth
	DialContext          func(ctx context.Context, addr string) (net.Conn, error)
	DialStrategy         func(ctx context.Context, connID int, options *Options, dial Dial) (DialResult, error)
	Debug                bool
	Debugf               func(format string, v ...any) // only works when Debug is true
	Settings             Settings
	Compression          *Compression
	DialTimeout          time.Duration // default 30 second
	MaxOpenConns         int           // default MaxIdleConns + 5
	MaxIdleConns         int           // default 5
	ConnMaxLifetime      time.Duration // default 1 hour
	ConnOpenStrategy     ConnOpenStrategy
	FreeBufOnConnRelease bool              // drop preserved memory buffer after each query
	HttpHeaders          map[string]string // set additional headers on HTTP requests
	HttpUrlPath          string            // set additional URL path for HTTP requests
	BlockBufferSize      uint8             // default 2 - can be overwritten on query
	MaxCompressionBuffer int               // default 10485760 - measured in bytes  i.e. 10MiB

	ReadTimeout time.Duration
	// contains filtered or unexported fields
}

type Parameters map[string]string

type Pool[T any] struct {
	// contains filtered or unexported fields
}

type ProfileEvent struct {
	Hostname    string
	CurrentTime time.Time
	ThreadID    uint64
	Type        string
	Name        string
	Value       int64
}

type ProfileInfo = proto.ProfileInfo

type Progress = proto.Progress

type Protocol int

const (
	Native Protocol = iota
	HTTP
)

type QueryOption func(*QueryOptions) error

type QueryOptions struct {
	// contains filtered or unexported fields
}

type ServerVersion = proto.ServerHandshake

type Settings map[string]any

type TimeUnit uint8

const (
	Seconds TimeUnit = iota
	MilliSeconds
	MicroSeconds
	NanoSeconds
)