var variantSchema = Schema({
name: {
    type: String,
    required: true,
    unique: true
},
count: {type: Number, default : 0}
});

var productSchema = Schema({
sku: {
    type: String,
    lowercase: true
}, //, required: true, unique: true
name: {
    type: String,
    lowercase: true,
    max: 65,
    required: true
},
slug: {
    type: String,
    lowercase: true,
    unique: true,
    index: true,
    slug: "name",
    slug_padding_size: 3
},
status: Boolean,
listPrice: Number,
description: {
    short: {
        type: String,
        trim: true,
        lowercase: true
    },
    long: {
        type: String,
        trim: true,
        lowercase: true
    }
},
images: [],
categoryId: {
    type: Schema.Types.ObjectId,
    ref: 'Category'
},
userId: {
    type: Schema.Types.ObjectId,
    ref: 'User',
    required: true
},
createdAt: {
    type: Date,
    default: Date.now
},
updatedAt: {
    type: Date,
    default: Date.now
},
isActive: Boolean,
vars: [
    {
        varId : {
            type: Schema.Types.ObjectId,
            ref: 'Variants'
        },
        values: [
            {
                value : String,
                image:[]
            }
        ]
    }
]
});