// Decision API service for managing listing decisions (like/dislike/seen)

import type { AuthUser } from '@/auth/types';
import type { DecisionType, ListingDecision } from '@/types';
import { apiRequest } from './apiClient';

export async function fetchDecisions(user: AuthUser): Promise<ListingDecision[]> {
  return apiRequest<ListingDecision[]>(user, '/api/decisions');
}

export async function setDecision(
  user: AuthUser,
  listingId: number,
  decision: DecisionType,
  listingType: 'RENT' | 'BUY' = 'RENT',
  priceAtDecision?: number | null,
): Promise<ListingDecision> {
  const body: Record<string, unknown> = { decision, listing_type: listingType };
  // Only send the price column for 'seen' — the backend already drops it for
  // other decision types, but keeping the payload tight saves bytes.
  if (decision === 'seen' && typeof priceAtDecision === 'number' && Number.isFinite(priceAtDecision)) {
    body.price_at_decision = priceAtDecision;
  }
  return apiRequest<ListingDecision>(user, `/api/decisions/${listingId}`, {
    method: 'PUT',
    body,
  });
}

export async function clearDecision(
  user: AuthUser,
  listingId: number,
  listingType: 'RENT' | 'BUY' = 'RENT',
): Promise<void> {
  await apiRequest(user, `/api/decisions/${listingId}`, {
    method: 'DELETE',
    params: { listing_type: listingType },
  });
}