const { Before, Given, When, Then, defineParameterType } = require('cucumber')
const { expect } = require('chai')

defineParameterType({
  name: 'tobe',
  regexp: [
    /is/,
    /is not/
  ],
  transformer: x => x === 'is'
})

When('I interpret "to be" as a type', function () {
})
       
Then('true {tobe} true', function (predicate) {
  expect(predicate).to.be.true
})

Then('false {tobe} true', function (predicate) {
  expect(predicate).to.be.false
})

defineParameterType({
  name: 'date',
  regexp: /\d{2}\.\d{2}\.\d{4}/
})

When('a date {date} is given', function (dateString) {
  const parts = dateString.split('.').reverse()
  this.date = new Date(...parts)
})

Then('it gets converted to a Date object', function () {
  expect(this.date).to.be.an.instanceof(Date)
})

Before(function () {
  this.count = 0
})

Given(/(a regular expression|it) matches (this|that) pattern/, function (_, _) {
  ++this.count
})

Then('the step definition should be called twice', function () {
  expect(this.count).to.equal(2)
})