(AI) Write a prettier formatter

Author: citelao

systray_doom/CrayonConsoleFormatter.cs

@@ -0,0 +1,77 @@
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Logging.Console;
+using Microsoft.Extensions.Logging.Abstractions;
+using static Crayon.Output;
+
+namespace systray_doom;
+
+/// <summary>
+/// A custom console formatter that uses Crayon for coloring and outputs logs in a single line.
+/// </summary>
+public sealed class CrayonConsoleFormatter : ConsoleFormatter
+{
+    public CrayonConsoleFormatter() : base(nameof(CrayonConsoleFormatter))
+    {
+    }
+
+    public override void Write<TState>(in LogEntry<TState> logEntry, IExternalScopeProvider? scopeProvider, TextWriter textWriter)
+    {
+        var message = logEntry.Formatter(logEntry.State, logEntry.Exception);
+        if (string.IsNullOrEmpty(message))
+        {
+            return;
+        }
+
+        var logLevel = logEntry.LogLevel;
+        var categoryName = logEntry.Category;
+        var timestamp = DateTime.Now.ToString("HH:mm:ss.fff");
+
+        // Apply colors based on log level
+        var levelText = GetLogLevelText(logLevel);
+        var coloredLevel = ApplyLogLevelColor(levelText, logLevel);
+        var coloredMessage = ApplyMessageColor(message, logLevel);
+
+        // Format: [HH:mm:ss.fff] LEVEL Category: Message
+        textWriter.WriteLine($"{Dim($"[{timestamp}]")} {coloredLevel} {Dim($"{categoryName}:")} {coloredMessage}");
+
+        // Write exception if present
+        if (logEntry.Exception != null)
+        {
+            textWriter.WriteLine(Red(logEntry.Exception.ToString()));
+        }
+    }
+
+    private static string GetLogLevelText(LogLevel logLevel) => logLevel switch
+    {
+        LogLevel.Trace => "TRCE",
+        LogLevel.Debug => "DBUG",
+        LogLevel.Information => "INFO",
+        LogLevel.Warning => "WARN",
+        LogLevel.Error => "ERRO",
+        LogLevel.Critical => "CRIT",
+        LogLevel.None => "NONE",
+        _ => "UNKN"
+    };
+
+    private static string ApplyLogLevelColor(string levelText, LogLevel logLevel) => logLevel switch
+    {
+        LogLevel.Trace => Dim(levelText),
+        LogLevel.Debug => Dim(levelText),
+        LogLevel.Information => levelText,
+        LogLevel.Warning => Yellow(levelText),
+        LogLevel.Error => Red(levelText),
+        LogLevel.Critical => Bold(Red(levelText)),
+        _ => levelText
+    };
+
+    private static string ApplyMessageColor(string message, LogLevel logLevel) => logLevel switch
+    {
+        LogLevel.Trace => Dim(message),
+        LogLevel.Debug => Dim(message),
+        LogLevel.Information => message,
+        LogLevel.Warning => Yellow(message),
+        LogLevel.Error => Red(message),
+        LogLevel.Critical => Bold(Red(message)),
+        _ => message
+    };
+}

systray_doom/Program.cs

@@ -21,14 +21,19 @@
 using systray_doom;
 using Windows.Graphics.DirectX;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Logging.Console;
 
 // Set in csproj, FYI.
 // [assembly:AssemblyTitle("Systray Doom")]
 
-// Create a console logger
+// Create a console logger with custom Crayon formatter
 using var loggerFactory = LoggerFactory.Create(builder =>
-    builder.AddConsole()
-           .SetMinimumLevel(LogLevel.Debug));
+    builder.AddConsole(options =>
+    {
+        options.FormatterName = nameof(CrayonConsoleFormatter);
+    })
+    .AddConsoleFormatter<CrayonConsoleFormatter, ConsoleFormatterOptions>()
+    .SetMinimumLevel(LogLevel.Debug));
 var logger = loggerFactory.CreateLogger("SystrayDoom");
 
 logger.LogInformation("Starting doom...");