import type {
  MemberWorkSyncBusySignalPort,
  MemberWorkSyncLoggerPort,
} from '../../core/application';

export class CompositeMemberWorkSyncBusySignal implements MemberWorkSyncBusySignalPort {
  constructor(
    private readonly signals: MemberWorkSyncBusySignalPort[],
    private readonly logger?: MemberWorkSyncLoggerPort
  ) {}

  async isBusy(input: Parameters<MemberWorkSyncBusySignalPort['isBusy']>[0]) {
    for (const signal of this.signals) {
      try {
        const result = await signal.isBusy(input);
        if (result.busy) {
          return result;
        }
      } catch (error) {
        this.logger?.warn('member work sync busy signal failed', {
          teamName: input.teamName,
          memberName: input.memberName,
          error: String(error),
        });
        const nowMs = Date.parse(input.nowIso);
        return {
          busy: true,
          reason: 'busy_signal_error',
          retryAfterIso: new Date(
            (Number.isFinite(nowMs) ? nowMs : Date.now()) + 60_000
          ).toISOString(),
        };
      }
    }

    return { busy: false };
  }
}