DemocracyOS/app

var mongoose = require('mongoose')
var Schema = mongoose.Schema
var tagImages = require('lib/tags-images')
var images = Object.keys(tagImages)
var regex = require('lib/regexps')

var hexColorValidation = [hexColorValidator, 'Invalid hex color value']
function hexColorValidator (value) {
  return regex.hexColor.test(value)
}

var TagSchema = new Schema({
  hash: { type: String, lowercase: true, trim: true, required: true },
  name: { type: String, trim: true, required: true, maxlength: 50 },
  color: { type: String, default: '#091A33', validate: hexColorValidation },
  image: { type: String, enum: images, default: images[0] },
  createdAt: { type: Date, default: Date.now }
})

/**
 * Define Schema Indexes for MongoDB
 */

TagSchema.index({ createdAt: -1 })
TagSchema.index({ hash: 1 }, { unique: true, dropDups: true })

/**
 * Make Schema `.toObject()` and
 * `.toJSON()` parse getters for
 * proper JSON API response
 */

TagSchema.set('toObject', { getters: true })
TagSchema.set('toJSON', { getters: true })

module.exports = function initialize (conn) {
  return conn.model('Tag', TagSchema)
}