"use strict";
this.name = "salvagegang_market";
this.author = "spara";
this.copyright = "2014 spara";
this.license = "CC BY-NC-SA 4.0";

this.$originalDefs = {
	"food": [0, 0, 29, -2, -2, -3, 1, 3, 0],
	"textiles": [0, 0, 30, -1, -1, -4, 3, 3, 0],
	"radioactives": [0, 0, 58, -3, -3, 0, 7, 7, 0],
	"slaves": [0, 0, 9, 0, 0, 0, 7, 0, 0],
	"liquor_wines": [0, 0, 106, -5, 0, 0, 15, 0, 0],
	"luxuries": [0, 0, 206, 6, 1, -3, 7, 3, 0],
	"narcotics": [0, 0, 208, 0, 0, 0, 79, 0, 0],
	"computers": [0, 0, 134, 14, 0, 15, 3, 15, 0],
	"machinery": [0, 0, 75, 0, 0, 18, 28, 31, 0],
	"alloys": [0, 0, 42, 0, 0, 32, 31, 31, 0],
	"firearms": [0, 0, 155, 3, 0, 0, 15, 0, 0],
	"furs": [0, 0, 130, 0, 0, 0, 63, 0, 0],
	"minerals": [0, 0, 22, -1, -1, 7, 3, 15, 0],
	"gold": [0, 0, 78, 0, 0, -6, 15, 29, 1],
	"platinum": [0, 0, 150, 0, 0, -9, 15, 31, 1],
	"gem_stones": [0, 0, 34, 0, 0, -4, 14, 15, 2],
	"alien_items": [0, 0, 58, 15, 0, 0, 7, 0, 0]
};

this.updateLocalCommodityDefinition = function (goodDefinition) {
	var commodity = goodDefinition.key;
	var oldDefs = this.$originalDefs[commodity];
	//old style definition found for the good. calculate it the old way
	if (oldDefs) {
		var market_base_price = oldDefs[2];
		var market_eco_adjust_price = oldDefs[3];
		var market_eco_adjust_quantity = oldDefs[4];
		var market_base_quantity = oldDefs[5];
		var market_mask_price = oldDefs[6];
		var market_mask_quantity = oldDefs[7];
		var market_rnd = Math.floor(Math.random() * 256);

		var economy = system.economy;

		var price = (market_base_price + (market_rnd & market_mask_price) + (economy * market_eco_adjust_price)) & 255;
		price *= 0.4;

		var quantity = (market_base_quantity + (market_rnd & market_mask_quantity) - (economy * market_eco_adjust_quantity)) & 255;
		if (quantity > 127) quantity = 0;
		quantity &= 63;

		goodDefinition.price = price * 10;
		goodDefinition.quantity = quantity;
	}
	//no definition found. nullify the goods.
	else {
		goodDefinition.price = 0;
		goodDefinition.quantity = 0;
	}
	return goodDefinition;
};
