import { parseUriId } from '../../utils/string-helpers'

export class TaxonomySkosModule {
  concepts = []

  convertSkosIntoGoGoTaxonomy($skosJson) {
    this.concepts = $skosJson['@graph']
    const rootConcepts = this.concepts.filter((concept) => !concept.broader)
    const categories = []

    for (const rootConcept of rootConcepts) {
      categories.push(this.rootSkosToGoGoCategory(rootConcept))
    }

    const gogoTaxonomy = {
      options: [
        {
          name: 'Racine',
          displayInInfoBar: false,
          displayInMenu: false,
          showExpanded: true,
          subcategories: categories,
        },
      ],
    }

    console.log('Taxonomy Tree', gogoTaxonomy)
    return gogoTaxonomy
  }

  private rootSkosToGoGoCategory($skosJson) {
    $skosJson.id = $skosJson['@id']
    $skosJson.name = $skosJson['prefLabel']
    $skosJson.displayInMenu = false
    $skosJson.displayInInfoBar = false
    $skosJson.showExpanded = true
    $skosJson.suboptions = this.recursivelyCreateSubOptionOf($skosJson)

    return {
      name: $skosJson['prefLabel'],
      showExpanded: true,
      isRootCategory: true,
      unexpandable: true,
      options: [$skosJson],
    }
  }

  private getSubConceptOf(conceptId) {
    return this.concepts.filter((concept) => concept.broader == conceptId)
  }

  private recursivelyCreateSubOptionOf(currentConcept) {
    const subConceptsToAdd = this.getSubConceptOf(currentConcept['@id'])
    const options = []
    for (const concept of subConceptsToAdd) {
      const gogoNode = this.skosToGoGoOption(concept)
      const suboptions = this.recursivelyCreateSubOptionOf(concept)
      if (suboptions.length > 0) gogoNode.suboptions = suboptions
      options.push(gogoNode)
    }
    return options
  }

  private skosToGoGoOption($skosJson) {
    $skosJson.id = parseUriId($skosJson['@id'])
    $skosJson.name = $skosJson['prefLabel']
    return $skosJson
  }
}