var mongoose = require('mongoose');
var uniqueValidator = require('mongoose-unique-validator');
var slug = require('slug');

var JumpFileSchema = new mongoose.Schema({
    slug: { type: String, lowercase: true, unique: true },
    name: String,
    path: String,
    type: {
        type: String,
        enum : ['csv', 'image', 'kml', 'video'],
        default: 'video'
    },
    author: { type: mongoose.Schema.Types.ObjectId, ref: 'User' }
}, {timestamps: true, toJSON: {virtuals: true}});

JumpFileSchema.plugin(uniqueValidator, { message: 'is already taken' });

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

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

JumpFileSchema.methods.toJSONFor = function(user){
    return {
        slug: this.slug,
        name: this.name,
        path: this.path,
        type: this.type,
        createdAt: this.createdAt,
        updatedAt: this.updatedAt,
        author: this.author.toProfileJSONFor(user)
    };
};

JumpFileSchema.methods.toJSONForJump = function(){
    return {
        slug: this.slug,
        name: this.name,
        path: this.path,
        type: this.type
    };
};

mongoose.model('JumpFile', JumpFileSchema);