'use strict';

const fs = require('fs');
const path = require('path');

const expect = require('chai').expect;
const parser = require('../lib/parser.js');
const chopper = require('../lib/chopper.js');

const expectaitions = [
  { id: '"}G', time: 100n, cmd: 14, value: 0n, mask: 0n },
  { id: '"}G', time: 200n, cmd: 15, value: 0n, mask: 0n },
  { id: '{u', time: 200n, cmd: 30, value: 0xf0f0f0f0f0f0f0f0n, mask: 0xff00ff00ff00ff00n },
  { id: '"}G', time: 300n, cmd: 14, value: 0n, mask: 0n },
  { id: '{u', time: 300n, cmd: 30, value: 0xf000000000000000n, mask: 0n },
  { id: 'u)', time: 300n, cmd: 30, value: 0n, mask: 0n },
  { id: '{u', time: 301n, cmd: 30, value: 0x0f00000000000000n, mask: 0n },
  { id: 'u)', time: 301n, cmd: 30, value: 1n, mask: 0n },
  { id: '{u', time: 302n, cmd: 30, value: 0x00f0000000000000n, mask: 0n },
  { id: 'u)', time: 302n, cmd: 30, value: 2n, mask: 0n },
  { id: '{u', time: 303n, cmd: 30, value: 0x000f000000000000n, mask: 0n },
  { id: 'u)', time: 303n, cmd: 30, value: 3n, mask: 0n },
  { id: '{u', time: 304n, cmd: 30, value: 0x0000f00000000000n, mask: 0n },
  { id: 'u)', time: 304n, cmd: 30, value: 4n, mask: 0n },
  { id: '{u', time: 305n, cmd: 30, value: 0x00000f0000000000n, mask: 0n },
  { id: 'u)', time: 305n, cmd: 30, value: 5n, mask: 0n },
  { id: '{u', time: 306n, cmd: 30, value: 0x000000f000000000n, mask: 0n },
  { id: 'u)', time: 306n, cmd: 30, value: 6n, mask: 0n },
  { id: '{u', time: 307n, cmd: 30, value: 0x0000000f00000000n, mask: 0n },
  { id: 'u)', time: 307n, cmd: 30, value: 7n, mask: 0n },
  { id: '{u', time: 308n, cmd: 31, value: 0x00000000f0000000n, mask: 0n },
  { id: 'u)', time: 308n, cmd: 30, value: 8n, mask: 0n },
  { id: '{u', time: 309n, cmd: 30, value: 0x000000000f000000n, mask: 0n },
  { id: 'u)', time: 309n, cmd: 30, value: 9n, mask: 0n },
  { id: '{u', time: 310n, cmd: 30, value: 0x0000000000f00000n, mask: 0n },
  { id: 'u)', time: 310n, cmd: 30, value: 10n, mask: 0n },
  { id: '{u', time: 311n, cmd: 30, value: 0x00000000000f0000n, mask: 0n },
  { id: 'u)', time: 311n, cmd: 30, value: 11n, mask: 0n },
  { id: '{u', time: 312n, cmd: 30, value: 0x000000000000f000n, mask: 0n },
  { id: 'u)', time: 312n, cmd: 30, value: 12n, mask: 0n },
  { id: '{u', time: 313n, cmd: 30, value: 0x0000000000000f00n, mask: 0n },
  { id: 'u)', time: 313n, cmd: 30, value: 13n, mask: 0n },
  { id: '{u', time: 314n, cmd: 30, value: 0x00000000000000f0n, mask: 0n },
  { id: 'u)', time: 314n, cmd: 30, value: 14n, mask: 0n },
  { id: '{u', time: 315n, cmd: 30, value: 0x000000000000000fn, mask: 0n },
  { id: 'u)', time: 315n, cmd: 30, value: 15n, mask: 0n },
  { id: '"}G', time: 316n, cmd: 15, value: 0n, mask: 0n }
];

describe('napi dump', function () {
  it('simple napi', done => {
    fs.readFile(path.join(__dirname, 'dump.vcd'), function (err, src) {
      if (err) {
        throw new Error(err);
      }
      const inst = parser();
      const dump = [];
      ['"}G', '{u', 'u)'] // array of all signal ids
        .map(id =>
          inst.change.on(id, (time, cmd, value, mask) => {
            const row = {
              id,
              time: BigInt(time),
              cmd,
              value,
              mask
            };
            dump.push(row);
            // console.log(row);
          })
        );

      inst.on('finish', () => {
        expect(inst.getTime()).to.eq(316n);
        expect(dump).to.deep.eq(expectaitions);
        done();
      });

      for (const chunk of chopper(src, 100)) {
        // console.log('\u001b[31m[\u001b[0m' + chunk.toString() + '\u001b[31m]\u001b[0m');
        inst.write(chunk);
      }
      inst.end();
    });
  });
});

/* eslint-env mocha */