/*User Model found at ./models/User*/

var mongoose = require('mongoose');
var crypto = require('crypto');
var jwt = require('jsonwebtoken');

var UserSchema = new mongoose.Schema({
    username: {type:String, lowercase:true, unique:true},
    email: {type:String, unique:true},
    hash: String,
    salt: String,
    pollsCreated:[{type:mongoose.Schema.Types.ObjectId, ref:'Post'}],
    pollsVoted:[{type:mongoose.Schema.Types.ObjectId, ref:'Post'}]
}, {collection:'Users'});


UserSchema.methods.setPassword = function(password){
    this.salt = crypto.randomBytes(16).toString('hex');
    this.hash = crypto.pbkdf2Sync(password, this.salt, 1000, 64).toString('hex');
};

UserSchema.methods.validPassword = function(password){
    var hash = crypto.pbkdf2Sync(password, this.salt, 1000, 64).toString('hex');
    return this.hash === hash;
};

UserSchema.methods.generateJWT = function(){
    var expiry = new Date();
    expiry.setDate(expiry.getDate() + 7);

    return jwt.sign({
        _id:this._id,
        email:this.email,
        username:this.username,
        exp: parseInt(expiry.getTime() / 1000),
    }, "R3l3ntl3$$");
};

mongoose.model('User', UserSchema);