namespace Logger

open System

open Logger.Types

/// <summary>
/// Interface for log listeners
/// </summary>
type IListener =
    abstract NewEntry : severity : Severity -> header : string -> message : string -> unit

type internal IWriter =
    inherit IDisposable

    abstract DebugLoggingEnabled : bool with get, set
    abstract AvoidRepeatingIdenticalMessages : bool with get, set
    abstract LogDir : string
    abstract MaxSizeFile : int64 with get, set
    abstract LogFiles : string seq
    abstract Write : message:Message -> unit
    abstract Flush : unit -> unit
    abstract ClearLogFilesOlderThan : TimeSpan -> unit