import { readFileSync } from 'node:fs'
import { TERMINE_COLLECTIONS } from '../../server/services/termine/schema.js'
import { SHOP_COLLECTIONS } from '../../server/services/shop/schema.js'
import { FEATURE_CONSENT_ATTRIBUTES, PORTAL_FEATURE_ATTRIBUTES } from '../../scripts/feature-setup.mjs'

// Setup-Skripte, die Collections in Appwrite anlegen (Blockformat: 'id', ... \n  ],)
const SETUP_SCRIPTS = ['setup-abo-collections.mjs', 'setup-finanzen.mjs']

/**
 * Attribut-Schlüssel einer Collection, wie sie scripts/setup-abo-collections.mjs bzw.
 * scripts/setup-finanzen.mjs in Appwrite anlegen. Tests geben sie dem Appwrite-Nachbau als Schema:
 * Schreibt der Code ein Feld, das das Setup-Skript nicht anlegt, scheitert der Test wie Appwrite in
 * Produktion. Die Termine-Collections kommen aus server/services/termine/schema.js (scripts/termine-setup.mjs),
 * die Shop-Collections aus server/services/shop/schema.js (scripts/shop-setup.mjs);
 * portalFeatures bekommt zusaetzlich die Attribute aus scripts/feature-setup.mjs (PORTAL_FEATURE_ATTRIBUTES);
 * featureConsents (Zustimmungsnachweis) steht ganz dort (FEATURE_CONSENT_ATTRIBUTES).
 */
export function schemaKeys(collection) {
  if (Object.hasOwn(TERMINE_COLLECTIONS, collection)) return TERMINE_COLLECTIONS[collection].attributes.map((a) => a.key)
  if (Object.hasOwn(SHOP_COLLECTIONS, collection)) return SHOP_COLLECTIONS[collection].attributes.map((a) => a.key)
  if (collection === 'featureConsents') return FEATURE_CONSENT_ATTRIBUTES.map((a) => a.key)
  for (const script of SETUP_SCRIPTS) {
    const src = readFileSync(new URL(`../../scripts/${script}`, import.meta.url), 'utf8')
    const start = src.indexOf(`'${collection}',`)
    if (start < 0) continue
    const block = src.slice(start, src.indexOf('\n  ],', start))
    const keys = [...block.matchAll(/key: '(\w+)'/g)].map((m) => m[1])
    return collection === 'portalFeatures' ? [...keys, ...PORTAL_FEATURE_ATTRIBUTES.map((a) => a.key)] : keys
  }
  throw new Error(`Collection ${collection} fehlt im Setup-Skript`)
}