import { adult, doll, giant } from '@freesewing/models'
import { getShortName } from './config.mjs'
import { expect } from 'chai'

// Some patterns are deprecated and won't support more stringent doll/giant tests
const deprecated = ['theo']

/*
 * This runs unit tests for pattern sampling
 * It expects the following:
 *
 * @param object Pattern: Pattern constructor
 * @param boolean log: Set to true to log errors
 */
export const testPatternSampling = (Pattern, log = false) => {
  const config = Pattern.patternConfig
  const design = getShortName(Pattern.designConfig.data.name)
  //const parts = pattern.getPartList()

  // Helper method to try/catch pattern sampling
  const doesItSample = (pattern, log = false) => {
    try {
      pattern.sample().render()
      if (log === 'always') {
        console.log(pattern.store.logs)
        console.log(pattern.setStores[pattern.activeSet].logs)
      }
      if (
        pattern.store.logs.error.length < 1 &&
        pattern.setStores[pattern.activeSet].logs.error.length < 1
      ) {
        return true
      }
      if (log && log !== 'always') {
        console.log(pattern.settings[pattern.activeSet])
        console.log(pattern.store.logs)
        console.log(pattern.setStores[pattern.activeSet].logs)
      }

      return false
    } catch (err) {
      if (log && log !== 'always') {
        console.log(pattern.settings[pattern.activeSet])
        console.log(err)
        console.log(pattern.store.logs)
        console.log(pattern.setStores[pattern.activeSet].logs)
      }

      return false
    }
  }

  const doesItDraftAndRender = (pattern, log = false) => {
    try {
      pattern.draft().render()
      if (log) {
        console.log(pattern.store.logs)
        console.log(pattern.setStores[0].logs)
      }
      if (pattern.store.logs.error.length < 1 && pattern.setStores[0].logs.error.length < 1)
        return true
      return false
    } catch (err) {
      if (log) console.log(err)

      return false
    }
  }

  /*
   * Sample different measurements
   */
  describe('Sample measurements:', () => {
    for (const measurement of config.measurements || []) {
      it(`  Sample ${measurement}:`, () => {
        expect(
          doesItSample(
            new Pattern({
              sample: {
                type: 'measurement',
                measurement,
              },
              measurements: adult.cisFemale['36'],
            }),
            log
          )
        ).to.equal(true)
      })
    }
  })

  /*
   * Sample different options
   */
  describe('Sample options:', () => {
    let hasSampledCoreSettings = false
      for (const option in config.options) {
        let saValues = [0, 10]
        let paperlessValues = [false, true]
        let completeValues = [true, false]
        if (option.list || option.bool) {
          hasSampledCoreSettings = true
        } else {
          // Performance optimization:
          // sample different sa and paperless/complete settings only for options,
          // which likely change the pattern structure (e.g. enable/disable parts).
          // These are 'list' and 'bool' options.
          // The hasSampledCoreSettings variable is used to ensure that all variants are tested at least once,
          // even if no such options are present.
          saValues = [0]
          paperlessValues = [false]
          completeValues = [true]
        }
        for (const sa of saValues) {
          for (const complete of completeValues) {
            for (const paperless of paperlessValues) {
              if (typeof config.options[option] === 'object') {
                it(`  Sample ${option} with sa:${sa} complete:${complete} paperless:${paperless}`, () => {
                  expect(
                    doesItSample(
                      new Pattern({
                        sample: {
                          type: 'option',
                          option,
                        },
                        measurements: adult.cisFemale['36'],
                        sa: sa,
                        complete: complete,
                        paperless: paperless,
                      }),
                      log
                    )
                  ).to.equal(true)
                })
              }
            }
          }
        }
      }
      if (!hasSampledCoreSettings) {
        // test core settings without sampling a specific option
        let saValues = [0, 10]
        let paperlessValues = [false, true]
        let completeValues = [true, false]
        for (const sa of saValues) {
          for (const complete of completeValues) {
            for (const paperless of paperlessValues) {
              it(`  Draft sa:${sa} complete:${complete} paperless:${paperless}`, () => {
                expect(
                  doesItDraftAndRender(
                    new Pattern({
                      measurements: adult.cisFemale['36'],
                      sa: sa,
                      complete: complete,
                      paperless: paperless,
                    }),
                    log
                  )
                ).to.equal(true)
              })
            }
          }
        }
      }
    })

  /*
   * Sample pattern for different models
   */
  describe(`Sample human measurements:`, () => {
    for (const type of ['cisFemale', 'cisMale']) {
      it(`Sample pattern for adult ${type} size range:`, () => {
        expect(
          doesItSample(
            new Pattern({
              sample: {
                type: 'models',
                models: adult[type],
              },
            }),
            log
          )
        ).to.equal(true)
      })
    }
  })

  if (deprecated.indexOf(design) === -1) {
    /*
     * Sample pattern for doll & giant
     */
    for (const family of ['doll', 'giant']) {
      describe(`Sample ${family} measurements:`, () => {
        for (const type of ['cisFemale', 'cisMale']) {
          it(`Sample pattern for ${family} ${type} size range:`, () => {
            expect(
              doesItSample(
                new Pattern({
                  sample: {
                    type: 'models',
                    models: family === 'doll' ? doll[type] : giant[type],
                  },
                }),
                log
              )
            ).to.equal(true)
          })
        }
      })
    }
  }
}