var mongoose = require('mongoose');
var slug = require('slug');

var CanopySchema = new mongoose.Schema({
    slug: { type: String, lowercase: true, unique: true },
    voile: String,
    taille: Number,
    author: { type: mongoose.Schema.Types.ObjectId, ref: 'User' }
}, {timestamps: true, toJSON: {virtuals: true}});

CanopySchema.pre('validate', function (next) {
    if (!this.slug) {
        this.slugify();
    }
    next();
});

CanopySchema.methods.slugify = function () {
    this.slug = slug(`${this.voile} ${this.taille}`) + '-' + (Math.random() * Math.pow(36, 6) | 0).toString(36);
};

CanopySchema.methods.toJSONFor = function(user){
    return {
        slug: this.slug,
        voile: this.voile,
        taille: this.taille,
        createdAt: this.createdAt,
        updatedAt: this.updatedAt,
        author: this.author.toProfileJSONFor(user)
    };
};

mongoose.model('Canopy', CanopySchema);