import LogLevel from './typings/LogLevel';
import Transport from './typings/Transport';

export class Logger {
  private transports: Transport[];

  constructor(transports: Transport[] = []) {
    this.transports = transports;
  }

  attach(transport: Transport) {
    this.transports.push(transport);
  }

  async log(level: LogLevel, module: string, content: string): Promise<void> {
    const tasks: Promise<void>[] = [];

    for (const transport of this.transports) {
      if (!transport.minLevel || level >= transport.minLevel) {
        tasks.push(transport.log(level, module, content));
      }
    }

    await Promise.all(tasks);
  }

  debug(module: string, content: string) {
    this.log(LogLevel.Debug, module, content);
  }

  info(module: string, content: string) {
    return this.log(LogLevel.Information, module, content);
  }

  warn(module: string, content: string) {
    return this.log(LogLevel.Warning, module, content);
  }

  error(module: string, content: string) {
    return this.log(LogLevel.Error, module, content);
  }

  fatal(module: string, content: string) {
    return this.log(LogLevel.Fatal, module, content);
  }
}

export default Logger;