Improve LogeMessage parsing

Sources/XXMessengerClient/Utils/LogMessage.swift

@@ -15,7 +15,7 @@ extension LogMessage {
   public static func parse(_ string: String) -> LogMessage {
     let level: Logger.Level
     let text: String
-    let pattern = #"([A-Z]+) (.*)"#
+    let pattern = #"^([A-Z]+)( \d{4}/\d{2}/\d{2})?( \d{1,2}:\d{2}:\d{2}\.\d+)? (.*)$"#
     let regex = try! NSRegularExpression(pattern: pattern)
     let stringRange = NSRange(location: 0, length: string.utf16.count)
     if let match = regex.firstMatch(in: string, range: stringRange) {
@@ -28,7 +28,7 @@ extension LogMessage {
         }
       }
       level = .fromString(groups[1])
-      text = groups[2] ?? string
+      text = groups[4] ?? string
     } else {
       level = .notice
       text = string

Tests/XXMessengerClientTests/Utils/LogMessageTests.swift

@@ -40,4 +40,19 @@ final class LogMessageTests: XCTestCase {
       LogMessage(level: .notice, text: "1234 Wrongly formatted")
     )
   }
+
+  func testParsingStripsDateTime() {
+    XCTAssertNoDifference(
+      LogMessage.parse("INFO 2022/10/04 Informing..."),
+      LogMessage(level: .info, text: "Informing...")
+    )
+    XCTAssertNoDifference(
+      LogMessage.parse("INFO 23:36:55.755390 Informing..."),
+      LogMessage(level: .info, text: "Informing...")
+    )
+    XCTAssertNoDifference(
+      LogMessage.parse("INFO 2022/10/04 23:36:55.755390 Informing..."),
+      LogMessage(level: .info, text: "Informing...")
+    )
+  }
 }