items.js

var Items = {},
    _ = require("underscore"),
    Types = require("../../shared/js/gametypes"),
    ItemsJson = require("../../shared/data/items.json");

module.exports = Items;

var ItemData = {};
_.each( ItemsJson, function( value, key ) {
	ItemData[key.toLowerCase()] = {
		kind: (value.kind) ? value.kind : 0,
		type: (value.type) ? value.type : "object",
		attack: (value.attack) ? value.attack : 0,
		defense: (value.defense) ? value.defense : 0,
		name: (value.name) ? value.name : "Blank",
	};
});

Items.getWeaponLevel = function(kind) {
    try {
        return ItemData[Types.getKindAsString(kind)].attack;
    } catch(e) {
        log.error("No level found for weapon: "+Types.getKindAsString(kind));
        log.error('Error stack: ' + e.stack);
    }
};


Items.getArmorLevel = function(kind) {
    try {
        return ItemData[Types.getKindAsString(kind)].defense;
    } catch(e) {
        log.error("No level found for weapon: "+Types.getKindAsString(kind));
        log.error('Error stack: ' + e.stack);
    }
};

Items.getType = function(kind) {
    return ItemData[Types.getKindAsString(kind)].type;
};

    Items.getBuyPrice = function(itemName) {
        if(Types.Store.Potions[itemName]) {
            if(Types.Store.isBuyByItem(Types.Store.Potions[itemName])) {
                return Types.Store.getBuyPriceByItem(Types.Store.Potions[itemName]);
            }
        }
        if(Types.Store.Armors[itemName]) {
            if(Types.Store.isBuyByItem(Types.Store.Armors[itemName])) {
                var result = Types.Store.getBuyPriceByItem(Types.Store.Armors[itemName]);
                if(result > 0) {
                    return result;
                } else {
                    var itemKind = Types.getKindFromString(itemName),
                        itemLevel = Items.getArmorLevel(itemKind);
                    return Math.ceil((itemLevel * itemLevel) / 1.5);
                }
            }
        }
        if(Types.Store.Weapons[itemName]) {
            if(Types.Store.isBuyByItem(Types.Store.Weapons[itemName])) {
                var result = Types.Store.getBuyPriceByItem(Types.Store.Weapons[itemName]);
                if(result > 0) {
                    return result;
                } else {
                    var itemKind = Types.getKindFromString(itemName),
                        itemLevel = Items.getWeaponLevel(itemKind);
                    return Math.ceil((itemLevel * itemLevel) / 1.5);
                }
            }
        }
        return 0;
    };

    Items.getSellPrice = function(itemName) {
        var itemKind = Types.getKindFromString(itemName),
            itemLevel = 0;
        if(Types.isArmor(itemKind) || Types.isArcherArmor(itemKind)) {
            itemLevel = Items.getArmorLevel(itemKind);
            if(itemLevel < 20) {
                itemLevel = 0;
            }
        } else if(Types.isWeapon(itemKind) || Types.isArcherWeapon(itemKind)) {
            itemLevel = Items.getWeaponLevel(itemKind);
            if(itemLevel < 20) {
                itemLevel = 0;
            }
        } else if(Types.isPendant(itemKind)) {
            itemLevel = Types.getPendantRank(itemKind) + 1;
        } else if(Types.isRing(itemKind)) {
            itemLevel = Types.getRingRank(itemKind) + 1;
        } else if(Types.isBoots(itemKind)) {
            itemLevel = Types.getBootsRank(itemKind) + 1;
        }

        return Math.ceil(itemLevel / 2);
    };