import { describe, it, expect } from 'vitest';
import { readFileSync } from 'node:fs';
import { givenTokens, loadInitialInputs } from './registry-initial-inputs.mjs';
import { findHoles, normToken } from './coverage-machine.mjs';
import { loadRegistry } from './skill-contract-registry.mjs';

const VOCAB = 'docs/registry/capability-vocabulary.json';
const raw = JSON.parse(readFileSync(VOCAB, 'utf8'));

describe('registry-initial-inputs — данности задачи (D1)', () => {
  it('givenTokens возвращает ровно токены category:"given"', () => {
    const given = givenTokens(raw);
    expect(Array.isArray(given)).toBe(true);
    expect(given.length).toBeGreaterThan(50); // в словаре v0.6.0 их ~117
    const set = new Set(given);
    for (const t of raw.tokens) {
      if (t.category === 'given') expect(set.has(t.token)).toBe(true);
      else expect(set.has(t.token)).toBe(false);
    }
  });

  it('givenTokens на пустом/битом словаре → [] (без броска)', () => {
    expect(givenTokens(null)).toEqual([]);
    expect(givenTokens(undefined)).toEqual([]);
    expect(givenTokens({})).toEqual([]);
    expect(givenTokens({ tokens: [] })).toEqual([]);
  });

  it('loadInitialInputs читает словарь и совпадает с givenTokens', () => {
    const fromFile = loadInitialInputs({ path: VOCAB });
    expect(fromFile).toEqual(givenTokens(raw));
  });

  it('данности не считаются дырами и сокращают findHoles на полном наборе', () => {
    const reg = loadRegistry({ dir: 'docs/registry/contracts' });
    const given = givenTokens(raw);
    const givenSet = new Set(given.map(normToken));
    const without = findHoles(reg.contracts);
    const withInputs = findHoles(reg.contracts, { initialInputs: given });
    for (const h of withInputs) {
      expect(givenSet.has(normToken(h.need))).toBe(false);
    }
    expect(withInputs.length).toBeLessThan(without.length);
  });
});