using System;
using Swan.Lite.Logging;

namespace Swan.Logging {
  /// <summary>
  /// Represents a logger target. This target will write to the
  /// Debug console using System.Diagnostics.Debug.
  /// </summary>
  /// <seealso cref="ILogger" />
  // [Obsolete("NEED", false)]
  public class DebugLogger : TextLogger, ILogger {
    /// <summary>
    /// Initializes a new instance of the <see cref="DebugLogger"/> class.
    /// </summary>
    protected DebugLogger() {
      // Empty
    }

    /// <summary>
    /// Gets the current instance of DebugLogger.
    /// </summary>
    /// <value>
    /// The instance.
    /// </value>
    public static DebugLogger Instance { get; } = new DebugLogger();

    /// <summary>
    /// Gets a value indicating whether a debugger is attached.
    /// </summary>
    /// <value>
    ///   <c>true</c> if this instance is debugger attached; otherwise, <c>false</c>.
    /// </value>
    public static Boolean IsDebuggerAttached => System.Diagnostics.Debugger.IsAttached;

    /// <inheritdoc/>
    public LogLevel LogLevel { get; set; } = IsDebuggerAttached ? LogLevel.Trace : LogLevel.None;

    /// <inheritdoc/>
    // [Obsolete("NEED", false)]
    public void Log(LogMessageReceivedEventArgs logEvent) {
      (String outputMessage, ConsoleColor _) = this.GetOutputAndColor(logEvent);

      System.Diagnostics.Debug.Write(outputMessage);
    }

    /// <inheritdoc/>
    public void Dispose() {
      // do nothing
    }
  }
}