const Entry = require(`./object.JS`);

class Activity extends Entry {
    /*
    Default properties: 
        username
        description
        duration
        date
    */

    constructor(PROPERTIES) {
        super(PROPERTIES);

        // Set a default date value. 
        this.date = this.date ? this.date : new Date(Date.now());
        this.set_date(this.date);    

        // Convert the duration to a number if it isn't. 
        (this.duration) ? this.duration = parseInt(this.duration) : null;
    };

    /* 
		Store the date with the corresponding ECMA value. If not, the existing date value is converted. 

        @param {Date} DATE the date
        @return {Number} the date in ECMA
	*/
    set_date(DATE) {
        if (DATE || this.date) {
            this.date = parseInt((new Date(DATE || this.date)).getTime());
            return (this.date);
        }
    }

    /* 
    Generate a schema for MongoDB. 

    @return {OBJECT} the schema
    */
    static generateTemplate() {
        let SCHEMA = {
            "username": {"type": String, "required": true},
            "description": {"type": String},
            "date": {"type": Number},
            "duration": {"type": Number}
        };
        return (SCHEMA);
    }
}

module.exports = Activity;