import { Campaign, ChoiceRequest, CampaignGroup } from "../../models";
import { StepResult } from "../stepResult";
import logger from "../../utils/logger";
import { AbstractStep } from "../abstractStep";
import { CampaignModel } from "../../models/CampaignModel";

class PriorityStep extends AbstractStep {
  constructor(private readonly campaignModel: CampaignModel) {
    super("priority");
    this.autoPassCampaignGroup = CampaignGroup.Marketplace | CampaignGroup.Fallback;
  }

  async run(request: ChoiceRequest): Promise<StepResult> {
    const result: StepResult = new StepResult();

    request.campaigns.forEach((campaign) => {
      campaign.metadata.priority = this.campaignModel.getPriority(
        request.campaignData[campaign.id]
      );
    });

    request.campaigns.sort(
      (c1: Campaign, c2: Campaign) => (c1.metadata.priority ?? 0) - (c2.metadata.priority ?? 0)
    );

    logger.debug(
      () =>
        `Sorted campaigns (after priority sorting) : [${request.campaigns
          .map((c) => c.id)
          .join(",")}]`
    );
    result.passCampaigns(...request.campaigns);

    return result;
  }
}

export default PriorityStep;