class TradeChecker {
    APP_ID = 440;
    MONTH = 2678400;
    WEEK = 604800;
    DAY = 86400;

    prices_map = {}

    constructor() {
    }

    setPrices(prices) {
        for (const pos in prices) {
            if (prices[pos]["money_price"] === 0){
                continue
            }
            this.prices_map[prices[pos]['period']] = parseInt(prices[pos]["item_price"].split()[0])
        }
        if (this.prices_map.length === 0) {
            console.log("cannot parse prices");
        }
    }

    mannco_key(items) {
        const class_id = 101785959;
        const instance_id = 11040578;
        let count = 0;
        for (const item_id in items) {
            if (items[item_id].appid === this.APP_ID && parseInt(items[item_id].classid) === class_id && parseInt(items[item_id].instanceid) === instance_id) count++;
        }
        return count;
    }

    pure_metal(items) {
        const class_id = 2674;
        const instance_id = 11040547;
        let count = 0;
        for (const item_id in items) {
            if (items[item_id].appid === this.APP_ID && parseInt(items[item_id].classid) === class_id && parseInt(items[item_id].instanceid) === instance_id) count++;
        }
        return count;
    }

    Items2Seconds(items) {
        const key_count = this.mannco_key(items);
        const metal_count = this.pure_metal(items);
        let final_amount = 0;

        if(key_count >= this.prices_map["month"])
            final_amount += key_count * this.MONTH

        if(metal_count >= this.prices_map["week"])
            final_amount += (metal_count / self.prices_map["week"]) * this.WEEK;
        else if(metal_count >= this.prices_map["day"])
            final_amount += (metal_count / this.prices_map["day"]) * this.DAY;

        return final_amount;
    }

}

module.exports = TradeChecker;