import test from 'node:test';
import assert from 'node:assert/strict';

import {
  bridgeDepositAssetId,
  bridgeDepositObservedAt,
  intentsAssetIdFromNearTokenId,
} from '../src/core/bridge-assets.mjs';

const NBTC = 'nep141:nbtc.bridge.near';
const LEGACY_BTC = 'nep141:btc.omft.near';

const assetRegistry = new Map([
  [NBTC, { assetId: NBTC }],
  [LEGACY_BTC, { assetId: LEGACY_BTC }],
]);

test('intentsAssetIdFromNearTokenId normalizes NEAR token ids to verifier asset ids', () => {
  assert.equal(intentsAssetIdFromNearTokenId('nbtc.bridge.near'), NBTC);
  assert.equal(intentsAssetIdFromNearTokenId(NBTC), NBTC);
  assert.equal(intentsAssetIdFromNearTokenId(''), null);
});

test('bridgeDepositAssetId uses credited bridge near_token_id instead of chain-only fallback', () => {
  assert.equal(bridgeDepositAssetId({
    near_token_id: 'btc.omft.near',
    defuse_asset_identifier: 'btc:mainnet:native',
  }, {
    assetRegistry,
    fallbackAssetId: NBTC,
  }), LEGACY_BTC);

  assert.equal(bridgeDepositAssetId({
    near_token_id: 'nbtc.bridge.near',
    defuse_asset_identifier: 'btc:mainnet:native',
  }, {
    assetRegistry,
    fallbackAssetId: LEGACY_BTC,
  }), NBTC);
});

test('bridgeDepositObservedAt preserves bridge deposit creation time', () => {
  assert.equal(bridgeDepositObservedAt({
    created_at: '2026-04-07T15:20:19.909Z',
  }), '2026-04-07T15:20:19.909Z');

  assert.equal(bridgeDepositObservedAt({
    created_at: 'not-a-date',
    observed_at: '2026-04-07T15:20:24.814Z',
  }), '2026-04-07T15:20:24.814Z');

  assert.equal(bridgeDepositObservedAt({}), null);
});