const base = () => process.env.MIDDLEWARE_BASE_URL || 'http://127.0.0.1:3100';

const perform = async (z, bundle) => {
  try {
    const sha = encodeURIComponent(bundle.inputData.sha256);
    const response = await z.request({
      method: 'GET',
      url: `${base()}/zapier/v1/hashes/${sha}?includeAttached=true&includeTree=true`,
    });
    return [response.data];
  } catch (err) {
    if (err.status === 404) return [];
    throw err;
  }
};

module.exports = {
  key: 'tree_lookup',
  noun: 'Timestamp',
  display: {
    label: 'Find Hash (tree nodes + central chain)',
    description:
      'Looks up a SHA256 on the main Verae chain, then queries external tree-node archives for leaves that were only sealed as a bulk Merkle summary.',
  },
  operation: {
    inputFields: [
      {
        key: 'sha256',
        label: 'SHA256',
        type: 'string',
        required: true,
        helpText:
          '64-char hex. If this hash was part of a batch, it may not be itemized on the main chain — this search still finds the Merkle proof on tree nodes.',
      },
    ],
    perform,
    sample: {
      sha256: '2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824',
      exists: true,
      itemizedOnMainChain: false,
      merkleRoot: 'ab'.repeat(32),
      proofOk: true,
    },
  },
};