using System;
using System.Linq;

namespace GetKcs2ResourceName
{
	class Program
	{
		// note: $"{12:d4}" -> "0012"


		// resourceType = ["album_status", "banner", "card", "character_full", "character_up", "full", "supply_character"]
		public static string GetShipResourcePath(int shipID, bool isDamaged, string resourceType)
		{
			if (resourceType == "album_status")
				isDamaged = false;

			// if (isEnemy(shipID))
			//     isDamaged = false;

			if (isDamaged)
				resourceType += "_dmg";

			return $"<root>/resources/ship/{resourceType}/{shipID:d4}_{CreateKey(shipID, "ship_" + resourceType)}.png";
		}

		// resourceType = ["btxt_flat", "card", "card_t", "item_character", "item_on", "item_up", "remodel", "statustop_item"]
		public static string GetEquipmentResourcePath(int equipmentID, string resourceType)
		{
			return $"<root>/resources/slot/{resourceType}/{equipmentID:d3}_{CreateKey(equipmentID, "slot_" + resourceType)}.png";
		}


		static readonly int[] resourceTable = new int[100]
		{
			6657,5699,3371,8909,7719,
			6229,5449,8561,2987,5501,
			3127,9319,4365,9811,9927,
			2423,3439,1865,5925,4409,
			5509,1517,9695,9255,5325,
			3691,5519,6949,5607,9539,
			4133,7795,5465,2659,6381,
			6875,4019,9195,5645,2887,
			1213,1815,8671,3015,3147,
			2991,7977,7045,1619,7909,
			4451,6573,4545,8251,5983,
			2849,7249,7449,9477,5963,
			2711,9019,7375,2201,5631,
			4893,7653,3719,8819,5839,
			1853,9843,9119,7023,5681,
			2345,9873,6349,9315,3795,
			9737,4633,4173,7549,7171,
			6147,4723,5039,2723,7815,
			6201,5999,5339,4431,2911,
			4435,3611,4423,9517,3243
		};

		static string CreateKey(int id, string resourceType)
		{
			if (id == 0)
				return "";

			var s = resourceType.ToCharArray().Sum(c => (int)c);
			var a = Math.Max(resourceType.Length, 1);

			return (17 * (id + 7) * resourceTable[(s + id * a) % 100] % 8973 + 1000).ToString();
		}


		// example
		static void Main(string[] args)
		{
			for (int i = 1; i < 2000; i++)
			{
				Console.WriteLine($"{i,4}: {GetShipResourcePath(i, false, "full")}");
			}

			for (int i = 1; i < 1000; i++)
			{
				Console.WriteLine($"{i,4}: {GetEquipmentResourcePath(i, "card")}");
			}

		}

	}
}