class HomeworkPage extends HomeworkElement {
	constructor (type) {
        super()
        this.innerHTML =
        `
        <div id="page-header">
          <h2 id="text005" class="text"></h2>
          <div id="buttons">
            <div id="new" class="button">
              <span id="text035" class="button-text text"></span>
            </div>
            <div id="save" class="button">
              <span id="text037" class="button-text text"></span>
            </div>
            <div id="train" class="button">
              <span id="text036" class="button-text text"></span>
            </div>
          </div>
        </div>
        <div id="sub-headers">
          <p class="text source-language"></p>
          <p class="text target-language"></p>
        </div>
        <div id="content">
        </div>
        `
        let languageTextId = ""
        let sourceLanguageTextId = "text030"
        let targetLanguageTextId = ""
        switch(type) {
          case HomeworkTypes.VOCABULARY_ENGLISH:
            console.log("English vocabulary")
            languageTextId = "text005"
            targetLanguageTextId = "text031"
            break
          case HomeworkTypes.VOCABULARY_FRENCH:
            console.log("French vocabulary")
            languageTextId = "text025"
            targetLanguageTextId = "text032"
            break
          case HomeworkTypes.VOCABULARY_GERMAN:
            console.log("German vocabulary")
            languageTextId = "text024"
            targetLanguageTextId = "text034"
            break
          case HomeworkTypes.VOCABULARY_SPANISH:
            console.log("Spanish vocabulary")
            languageTextId = "text026"
            targetLanguageTextId = "text033"
            break
          default:
            console.log("Math")
            languageTextId = "text004"
        }
        this.type = type
        this.headingText = this.querySelector('h2')
        this.headingText.setAttribute("id", languageTextId)
        this.languageHeaders = this.querySelectorAll('#sub-headers > p')
        this.sourceLanguage = this.languageHeaders[0]
        this.targetLanguage = this.languageHeaders[1]
        this.sourceLanguage.setAttribute("id", sourceLanguageTextId)
        this.targetLanguage.setAttribute("id", targetLanguageTextId)
        this.content = this.querySelector('#content')
        this.newButton = this.querySelector('#new')
        this.newButton.addEventListener("click", this.newVocabulary.bind(this))
        this.saveButton = this.querySelector('#save')
        this.saveButton.addEventListener("click", this.saveVocabularies.bind(this))
        this.trainButton = this.querySelector('#train')
        this.trainButton.addEventListener("click", this.trainVocabulary.bind(this))
    }

    connectedCallback() {
      console.log("Page of type " + this.type + " added to session")
      if(this.type == HomeworkTypes.VOCABULARY_ENGLISH) {
        const row = new HomeworkVocabularyTask()
        this.content.append(row)
      }
    }

    newVocabulary() {
      if(this.type == HomeworkTypes.VOCABULARY_ENGLISH) {
        const row = new HomeworkVocabularyTask()
        this.content.append(row)
      }
    }

    saveVocabularies() {
        console.log("Saving page content")
    }

    trainVocabulary() {
      console.log("Train!!")
    }
}
customElements.define('homework-page', HomeworkPage)