import { Platform } from 'react-native';

export default class FWLoggerUtil {
  static enabled: boolean = false;
  private static warnedMessages: Set<string> = new Set<string>();

  /**
   * Emits a developer-facing warning (independent of `enabled`) once per `id` for
   * the lifetime of the app, for prop misuse that should not be silently ignored.
   */
  static warnOnce(id: string, message: string) {
    if (FWLoggerUtil.warnedMessages.has(id)) {
      return;
    }
    FWLoggerUtil.warnedMessages.add(id);
    console.warn('[react-native-firework-sdk]', `[${Platform.OS}]`, message);
  }

  static log(message: string) {
    if (FWLoggerUtil.enabled && process.env.NODE_ENV === 'development') {
      const currentDate = new Date();

      console.log(
        '[react-native-firework-sdk]',
        `[${Platform.OS}]`,
        `${message} ${FWLoggerUtil.toISOString(currentDate)}`
      );
    }
  }

  static logNativeMessage(nativeMessage: string) {
    if (FWLoggerUtil.enabled && process.env.NODE_ENV === 'development') {
      console.log(
        '[react-native-firework-sdk] [native]',
        `[${Platform.OS}]`,
        nativeMessage
      );
    }
  }

  private static toISOString(date: Date): string {
    let timezoneOffset = -date.getTimezoneOffset();
    let timezoneSymbol = timezoneOffset >= 0 ? '+' : '-';
    let timezoneHours = Math.floor(Math.abs(timezoneOffset) / 60)
      .toString()
      .padStart(2, '0');
    let timezoneMinutes = (Math.abs(timezoneOffset) % 60)
      .toString()
      .padStart(2, '0');
    let timezoneString = `${timezoneSymbol}${timezoneHours}:${timezoneMinutes}`;
    let year = date.getFullYear().toString();
    let month = (date.getMonth() + 1).toString().padStart(2, '0');
    let day = date.getDate().toString().padStart(2, '0');
    let hours = date.getHours().toString().padStart(2, '0');
    let minutes = date.getMinutes().toString().padStart(2, '0');
    let seconds = date.getSeconds().toString().padStart(2, '0');
    let milliseconds = date.getMilliseconds().toString().padStart(3, '0');

    return `${year}-${month}-${day}T${hours}:${minutes}:${seconds}.${milliseconds}${timezoneString}`;
  }
}