import type { CampaignRecoveryChannel } from "../../../api/deliveryRecovery";
import { asRecord } from "../utils/campaignView";

export type ReportReconciliation = {
  jobId: string;
  kind: "outcome";
  decision: "smtp_accepted" | "not_sent" | "imap_appended" | "imap_not_appended";
} | {
  jobId: string;
  kind: "claim";
  channel: CampaignRecoveryChannel;
  revision: string;
};

export function reportClaimRecovery(row: Record<string, unknown>, channel: CampaignRecoveryChannel): { eligible: boolean; revision: string } {
  const metadata = asRecord(asRecord(row.recovery)[channel]);
  const revision = typeof metadata.revision === "string" ? metadata.revision : "";
  const state = String(channel === "smtp" ? row.send_status ?? "" : row.imap_status ?? "");
  return { eligible: metadata.eligible === true && Boolean(revision) &&
    (channel === "smtp" ? ["claimed", "sending"].includes(state) : state === "appending"), revision };
}

export function reportRetryableFailure(row: Record<string, unknown>): boolean {
  return ["failed_temporary", "failed_permanent", "partially_accepted"].includes(String(row.send_status ?? ""));
}

export function reportUnattempted(row: Record<string, unknown>): boolean {
  return ["not_queued", "cancelled", "queued"].includes(String(row.send_status ?? "")) &&
    Number(row.attempt_count ?? 0) === 0 && Number(row.postbox_attempt_count ?? 0) === 0 &&
    Number(row.print_attempt_count ?? 0) === 0 &&
    row.build_status === "built" && ["ready", "warning", "needs_review"].includes(String(row.validation_status ?? ""));
}

export function reportRecoveryHints(row: Record<string, unknown>): string[] {
  const activeChannels = [
    ...(["claimed", "sending"].includes(String(row.send_status ?? "")) ? ["smtp"] : []),
    ...(row.imap_status === "appending" ? ["imap"] : [])
  ];
  return [...new Set(activeChannels.flatMap(channel => {
    const metadata = asRecord(asRecord(row.recovery)[channel]);
    if (metadata.eligible === true) return [];
    return [metadata.reason === "live_claim" ? "i18n:govoplan-campaign.report_claim_still_active"
      : "i18n:govoplan-campaign.report_claim_owner_unconfirmed"];
  }))];
}