import type { MarriageProfileResponse } from "@/hooks/marriage/types";
import {
  clearLegacyMatchSubmittedFlag,
  isWithinMatchStartGrace,
} from "./match-start-grace";

export function getSubmitPath(profile: MarriageProfileResponse | undefined) {
  clearLegacyMatchSubmittedFlag();

  if (!profile) {
    return "/intro";
  }

  const activeCase = profile.active_case;

  if (activeCase) {
    const caseStatus = activeCase.status;
    const myAction = activeCase.my_action;

    const isFemale = profile.gender === "female";

    if (
      caseStatus === "payment_done" ||
      caseStatus === "finalized" ||
      caseStatus === "contacted"
    ) {
      if (isFemale) {
        return "/candidate-contact";
      }
      return "/request-accepted";
    }

    if (caseStatus === "payment_pending" || caseStatus === "female_accepted") {
      if (isFemale) {
        return "/candidate-contact";
      }
      return "/request-accepted";
    }

    if (caseStatus === "male_accepted") {
      if (myAction === "pending") {
        return "/new-match";
      }
      return "/request-sent";
    }

    if (caseStatus === "introduced") {
      if (myAction === "pending") {
        return "/new-match";
      }
      return "/finding-match";
    }

    // male_rejected / female_rejected / dismissed – the case is over, the user
    // goes back to waiting for the next match.
    return "/finding-match";
  }

  if (profile.status === "pending_onboarding") {
    return "/terms";
  }

  if (profile.status === "waiting") {
    return "/finding-match";
  }

  if (profile.status === "matched") {
    return "/request-accepted";
  }

  if (profile.status === "in_case") {
    return "/finding-match";
  }

  if (profile.status === "pending_info") {
    // The backend may still report pending_info for a moment right after the
    // match request is sent, so honour a short grace window to avoid bouncing
    // the user back into the questions list.
    return isWithinMatchStartGrace() ? "/finding-match" : "/questions-list";
  }

  return "/terms";
}