/*
 * This runs unit tests for pattern drafting
 * It expects the following:
 *
 * @param string me: Name of the pattern (eg 'aaron')
 * @param object Pattern: pattern constructor
 *
 * @param object expect: Imported chai.expect
 * @param object models: Imported @freesewing/models
 * @param object patterns: Imported @freesewing/pattern-info
 */
const testPatternDrafting = (design, Pattern, expect, models, patterns) => {

  // Helper method to try/catch pattern drafting
  const doesItDraft = pattern => {
      try {
        pattern.draft()
        return true
      }
      catch (err) {
        return false
      }
  }

  // Figure out whether this is a with(out)breasts pattern
  const breasts = (patterns.withBreasts.indexOf(design) === -1) ? false : true

  const ourModels = models
    [breasts ? 'withBreasts' : 'withoutBreasts']
  const measurements = ourModels
    [breasts ? 'size34' : 'size42']

  /*
   * Draft pattern for different models
   */
  it('Draft for different models:' , () => true)

  for (let size in ourModels) {
    it(`  - Drafting for ${size} (${breasts ? 'with':'no'} breasts)`, () => {
      expect(doesItDraft(new Pattern({
        measurements: ourModels[size],
      }))).to.equal(true)
    })
  }

  /*
   * Draft parts individually
   */
  it('Draft parts individually:' , () => true)

  for (let name of patterns.parts[design]) {
    it(`  - ${name} should draft on its own`, () => {
      expect(doesItDraft(new Pattern({
        measurements,
        settings: {
          only: [name]
        }
      }))).to.equal(true)
    })
  }
}

module.exports = testPatternDrafting