module.exports = class {
  onCreate(input) {
    this.state = {
      modal: null,
      removed: false,
      commentLabels: {
        Article: "Comment", 
        Message: "Message", 
        Chat: "Chat Message",
      },
      selectedComment: null,
    }
  }

  onOpenComment(comment, modal) {
    this.state.selectedComment = comment
    this.state.modal = modal
  }

  addComment(comment) {
    this.updateChapter({
      comments: this.input.chapter.comments.concat(comment),
    })
  }

  editComment(comment) {
    const comments = this.input.chapter.comments.slice()
    const index = comments.findIndex(c => c.id === comment.id)
    if (index != -1) {
      comments[index] = comment
    } else {
      comments.push(comment)
    }

    this.updateChapter({comments})
  }

  removeComment(comment) {
    this.updateChapter({comments: this.input.chapter.comments.filter(c => c.id !== comment.id)})
  }

  updateChapter(data) {
    this.emit("edit", data)
  }

  moveChapter(data) {
    this.emit("move", data)
  }

  removeChapter() {
    this.state.removed = true
    this.emit("remove")
  }

  open(modal) {
    this.state.modal = modal
  }

  close() {
    this.state.modal = null
  }
}