import { describe, expect, it } from 'vitest';
import { amountText, geckoLink } from '../../src/lib/wallet/gecko';
import { failure, injectedNames, testExtrinsic } from '../../src/lib/wallet/injected';

const ACCOUNT = 'g1L5EYvvSBaYuQCPW78bHxYcvHfmWAqHYe3Gsrp9SV4kWZaEM';
const COMMENT = `ld1:${'ab'.repeat(32)}`;

describe('Ğecko', () => {
  it('the link and the QR code carry the account, the amount in Ğ1 and the sealed comment', () => {
    expect(geckoLink(ACCOUNT, 10, COMMENT)).toBe(`g1://${ACCOUNT}?amount=0.1&comment=${COMMENT}`);
    // Ğ1nkgo keeps [A-Za-z0-9 .;:!?()-_@&<>%]: the comment passes untouched.
    expect(/^[A-Za-z0-9 .;:!?()\-_@&<>%]+$/.test(COMMENT)).toBe(true);
  });

  it('amounts in cents read as Ğ1', () => {
    expect([amountText(10), amountText(100), amountText(125), amountText(1)]).toEqual(['0.1', '1', '1.25', '0.01']);
  });
});

describe('wallets of the page', () => {
  it('every extension offering the standard interface is found, the one for Ğ1 first', () => {
    const win = { injectedWeb3: { 'polkadot-js': { enable: async () => ({}) }, 'duniter-connect': { enable: async () => ({}) }, broken: {} } };
    expect(injectedNames(win)).toEqual(['duniter-connect', 'polkadot-js']);
    expect(injectedNames({})).toEqual([]);
  });

  it('what a wallet answers is told in words', () => {
    expect(failure(new Error('Cancelled'))).toBe('cancelled');
    expect(failure(new Error('Rejected by user'))).toBe('cancelled');
    expect(failure({ type: 'Invalid', value: { type: 'Payment' } })).toBe('funds');
    expect(failure(new Error('Inability to pay some fees (e.g. account balance too low)'))).toBe('funds');
    expect(failure(new Error('socket hang up'))).toBe('wallet');
  });

  it('in tests, the fake node receives what was signed, readable', () => {
    const hex = testExtrinsic({ address: '5Grw', dest: ACCOUNT, amount: '10', remark: COMMENT, signature: '0x01' });
    expect(hex.startsWith('0x')).toBe(true);
    const back = JSON.parse(new TextDecoder().decode(Uint8Array.from((hex.slice(2).match(/../g) ?? []).map((b) => parseInt(b, 16)))));
    expect(back).toEqual({ address: '5Grw', dest: ACCOUNT, amount: '10', remark: COMMENT, signature: '0x01' });
  });
});