class Order{
    constructor(id, name, date, ingredients, parent){
        this.id = id;
        this.name = name;
        this.date = new Date(date);
        this.ingredients = [];
        this.parent = parent;

        for(let i = 0; i < ingredients.length; i++){
            for(let j = 0; j < parent.ingredients.length; j++){
                if(ingredients[i].ingredient === parent.ingredients[j].ingredient.id){
                    this.ingredients.push({
                        ingredient: parent.ingredients[j].ingredient,
                        quantity: ingredients[i].quantity,
                        price: ingredients[i].price
                    });

                    break;
                }
            }
        }
    }

    convertPrice(unitType, unit, price){
        if(unitType === "mass"){
            switch(unit){
                case "g": break;
                case "kg": price *= 1000; break;
                case "oz":  price *= 28.3495; break;
                case "lb":  price *= 453.5924; break;
            }
        }else if(unitType === "volume"){
            switch(unit){
                case "ml": price /= 1000; break;
                case "l": break;
                case "tsp": price /= 202.8842; break;
                case "tbsp": price /= 67.6278; break;
                case "ozfl": price /= 33.8141; break;
                case "cup": price /= 4.1667; break;
                case "pt": price /= 2.1134; break;
                case "qt": price /= 1.0567; break;
                case "gal": price *= 3.7854; break;
            }
        }else if(unitType === "length"){
            switch(unit){
                case "mm": price /= 1000; break;
                case "cm": price /= 100; break;
                case "m": break;
                case "in": price /= 39.3701; break;
                case "ft": price /= 3.2808; break;
            }
        }

        return price;
    }
}

module.exports = Order;