const mongoose = require('mongoose');

function autoPopulateSubs(next) {
  this.populate({
    path: 'childs',
    select: 'title childs navIndex url modelType treeCat parent defaultPageType',
    options:{
      sort : 'navIndex'
    }
    // sort: {navIndex: -1},
  });
  next();
}

function file(file) {
  return '/uploads/files/terms/' + file
}

function image(img) {
  if (img) return '/uploads/images/category/' + img
  else return '/img/no-cover.jpg'
}

const CategoryTermsFile = mongoose.Schema({
  file: {type: String, get: file},
  title: String
})


const CategorySchema = mongoose.Schema({
  title: String,
  parent: {type: mongoose.Schema.Types.ObjectId, ref: 'Category', default: null},
  childs: [{type: mongoose.Schema.Types.ObjectId, ref: 'Category'}],
  treeCat: [{type: mongoose.Schema.Types.ObjectId, ref: 'Category'}],
  rootParent: {type: mongoose.Schema.Types.ObjectId, ref: 'Category'},
  priority: {type: Number, default: 0},
  showInMenu: Boolean,
  navIndex: {type: Number, default: null},
  news: {type: Boolean, default: true},
  child: {type: Boolean, default: true},
  special: {type: Boolean, default: false},
  allowComment: {type: Boolean, default: false},
  level: {type: Number, default: 1},
  siteMap: {type: Boolean, default: true},
  modelType: String,
  _creator: {type: mongoose.Schema.Types.ObjectId, ref: 'User'},
  _updatedBy: {type: mongoose.Schema.Types.ObjectId, ref: 'User'},
  haveNews: {type: Boolean, default: false},
  ///// for client
  hasNewsTab: {type: Boolean, default: true},
  hasContentTab: {type: Boolean, default: true},
  hasMediaTab: {type: Boolean, default: true},
  hasSubMenusTab: {type: Boolean, default: true},
  hasTermsTab: {type: Boolean, default: true},
  hasNotificationsTab: {type: Boolean, default: true},
  hasSpecNewsTab: {type: Boolean, default: true},
  hasNazarTab: {type: Boolean, default: true},
  hasNewsFileTab: {type: Boolean, default: true},
  defaultPageType: {type: String, default: 'news'},
  /** page */
  showInFooter: {type: Number, enum: [0, 1, 2, 3], default: 0},
  url: {type: String, default: null},
  pageContent: String,
  terms: [CategoryTermsFile],
  hasManagerInfo: {type: Boolean, default: true},
  managerCover: {type: String, get: image},
  managerName: String,
  managerDescription: String
});

CategorySchema.index({parent: 1, childs: 1});

CategorySchema
   .pre('findOne', autoPopulateSubs)
   .pre('find', autoPopulateSubs);

module.exports = mongoose.model('Category', CategorySchema);