import type { Suggestion } from '@/types/foodlog';
import * as Crypto from 'expo-crypto';

export const DEFAULT_SUGGESTIONS = [
  { label: 'Bibimbap', ingredients: ['rice', 'vegetables', 'egg', 'gochujang'] },
  { label: 'Bulgogi', ingredients: ['beef', 'soy sauce', 'pear', 'garlic'] },
  { label: 'Samgyetang', ingredients: ['chicken', 'ginseng', 'rice', 'garlic'] },
  { label: 'Kimchi', ingredients: ['napa cabbage', 'gochugaru', 'fish sauce', 'garlic'] },
  { label: 'Ramyeon', ingredients: ['noodles', 'broth', 'egg', 'vegetables'] },
];

export function buildDefaultSuggestions(): Suggestion[] {
  return DEFAULT_SUGGESTIONS.map(food => ({
    id: Crypto.randomUUID(),
    label: food.label,
    ingredients: food.ingredients,
  }));
}

export function normalizeSuggestions(payload: unknown): Suggestion[] | null {
  if (!Array.isArray(payload)) return null;
  if (payload.every(item => typeof item === 'string')) {
    return payload.map(label => ({ id: Crypto.randomUUID(), label }));
  }
  if (
    payload.every(
      item =>
        typeof item === 'object' &&
        item !== null &&
        'id' in item &&
        'label' in item &&
        typeof (item as { id?: unknown }).id === 'string' &&
        typeof (item as { label?: unknown }).label === 'string'
    )
  ) {
    return payload as Suggestion[];
  }
  return null;
}