var mongoose = require('mongoose');
var User = mongoose.model('User');
var slug = require('slug');

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

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

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

AeronefSchema.methods.toJSONFor = function(user){
    return {
        slug: this.slug,
        aeronef: this.aeronef,
        imat: this.imat,
        createdAt: this.createdAt,
        updatedAt: this.updatedAt,
        author: this.author.toProfileJSONFor(user)
    };
};

mongoose.model('Aeronef', AeronefSchema);