import {LoggingLevel, LoggingLevelType} from '../level/LoggingLevel';
import LoggingLevelMapping from '../level/LoggingLevelMapping';
import IAppender from './IAppender';
import {assertUnreachable} from '@techniker-me/tools';

export default class ConsoleAppender implements IAppender {
  public log(timestamp: string, level: LoggingLevelType, category: string, message: string) {
    const loggingLevel = LoggingLevelMapping.convertLoggingLevelTypeToLoggingLevel(level);

    switch (loggingLevel) {
      case LoggingLevel.Off:
        break;

      case LoggingLevel.Warn:
      case LoggingLevel.Error:
        console.error(`${timestamp} [${level}] [${category}] ${message}`);
        break;

      case LoggingLevel.Info:
      case LoggingLevel.Debug:
      case LoggingLevel.Trace:
      case LoggingLevel.Silly:
      case LoggingLevel.All:
        console.log(`${timestamp} [${level}] [${category}] ${message}`);
        break;

      default:
        assertUnreachable(loggingLevel);
    }
  }
}