Logger

import com.hexagonkt.core.logging.logger
import com.hexagonkt.core.logging.Logger
import com.hexagonkt.core.logging.LoggingLevel.*
import com.hexagonkt.core.logging.LoggingManager
import org.junit.jupiter.api.Test
fun main() { 
   //sampleStart 
   // logger
val classLogger: Logger = Logger(Runtime::class) // Logger for the `Runtime` class
val instanceLogger: Logger = Logger(this::class) // Logger for this instance's class

logger.info {
    """
    You can add a quick log without declaring a Logger with 'com.hexagonkt.helpers.logger'.
    It is a default logger created for the System class (same as `Logger(System::class)`).
    """
}

classLogger.trace { "Message only evaluated if trace enabled at ${Jvm.id}" }
classLogger.debug { "Message only evaluated if debug enabled at ${Jvm.id}" }
classLogger.warn { "Message only evaluated if warn enabled at ${Jvm.id}" }
classLogger.info { "Message only evaluated if info enabled at ${Jvm.id}" }

val exception = IllegalStateException("Exception")
classLogger.warn(exception) { "Warning with exception" }
classLogger.error(exception) { "Error message with exception" }
classLogger.warn(exception)
classLogger.error(exception)
classLogger.error { "Error without an exception" }

classLogger.time("Logs the time used to run the following block of code") {
    val message = "Block of code to be timed"
    assert(message.isNotBlank())
}

instanceLogger.flare { "Prints a log that stands out for ease searching" }

// Logging level can be changed programmatically
LoggingManager.setLoggerLevel(ERROR)
LoggingManager.setLoggerLevel(classLogger, DEBUG)
LoggingManager.setLoggerLevel("com.hexagonkt", INFO)
// logger 
   //sampleEnd
}