const {encrypt, decrypt} = require('lib/crypt')
const mongoose = require("mongoose")

const decryptTitles = (l) => ({notes: l.notes.map(n => ({ ...n, title: decrypt(n.title)}))})

const noteListSchema = new mongoose.Schema({
  notes: [{
    title: {
      type: String,
      required: true,
    },
    noteId: {
      type: mongoose.Schema.Types.ObjectId,
      ref: "Note",
      required: true,
    },
    created_at: {type: Date, default: Date.now},
    updated_at: {type: Date, default: Date.now}
  }]
})


noteListSchema.statics.getList = async (id) => {
  const newList = await NoteList.findById(id).lean()

  return {notes: newList.notes.map(n => ({ ...n, title: decrypt(n.title)}))}
}

noteListSchema.statics.getNoteId = async (_id, id) => {
  const noteList = await NoteList.findById(_id).lean()
  return noteList.notes
    .find(n => n._id.toString() === id.toString()).noteId
}

noteListSchema.statics.addNote = async (_id, noteId, title) => {
  const noteList = await NoteList.findOneAndUpdate(
    {_id}, {$push: {notes: {title: encrypt(title ? title : 'no title'), noteId}}}, {new: true}
  ).lean()

  return decryptTitles(noteList)
}

noteListSchema.statics.removeNote = async (_id, id) => {
  const noteList = await NoteList.findOneAndUpdate(
    {_id}, {$pull: {notes: {_id: id}}}
  ).lean()

  return decryptTitles(noteList)
}

noteListSchema.statics.updateList = async (_id, noteId, title) => {
  const noteList = await NoteList.findOneAndUpdate(
    { _id, "notes.noteId": noteId },
    { $set: { "notes.$.title": encrypt(title ? title : 'No title') } },
    { new: true }
  ).lean()

  return decryptTitles(noteList)
}

const NoteList = mongoose.models.NoteList || mongoose.model('NoteList', noteListSchema)

export default NoteList