/*
Minetest-c55
Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#include "content_craft.h"
#include "inventory.h"
#include "content_mapnode.h"
#include "player.h"
#include "mapnode.h" // For content_t

/*
	items: actually *items[9]
	return value: allocates a new item, or returns NULL.
*/
InventoryItem *craft_get_result(InventoryItem **items)
{
	// Wood
	{
		ItemSpec specs[9];
		specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_TREE);
		if(checkItemCombination(items, specs))
		{
			return new MaterialItem(CONTENT_WOOD, 4);
		}
	}

	// Stick
	{
		ItemSpec specs[9];
		specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		if(checkItemCombination(items, specs))
		{
			return new CraftItem("Stick", 4);
		}
	}

	// Fence
	{
		ItemSpec specs[9];
		specs[3] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[5] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[6] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[8] = ItemSpec(ITEM_CRAFT, "Stick");
		if(checkItemCombination(items, specs))
		{
			return new MaterialItem(CONTENT_FENCE, 2);
		}
	}

	// Sign
	{
		ItemSpec specs[9];
		specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[2] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[3] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[4] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[5] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
		if(checkItemCombination(items, specs))
		{
			//return new MapBlockObjectItem("Sign");
			return new MaterialItem(CONTENT_SIGN_WALL, 1);
		}
	}

	// Torch
	{
		ItemSpec specs[9];
		specs[0] = ItemSpec(ITEM_CRAFT, "lump_of_coal");
		specs[3] = ItemSpec(ITEM_CRAFT, "Stick");
		if(checkItemCombination(items, specs))
		{
			return new MaterialItem(CONTENT_TORCH, 4);
		}
	}

	// Wooden pick
	{
		ItemSpec specs[9];
		specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[2] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
		if(checkItemCombination(items, specs))
		{
			return new ToolItem("WPick", 0);
		}
	}

	// Stone pick
	{
		ItemSpec specs[9];
		specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
		specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
		specs[2] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
		specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
		if(checkItemCombination(items, specs))
		{
			return new ToolItem("STPick", 0);
		}
	}

	// Steel pick
	{
		ItemSpec specs[9];
		specs[0] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[1] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[2] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
		if(checkItemCombination(items, specs))
		{
			return new ToolItem("SteelPick", 0);
		}
	}

	// Mese pick
	{
		ItemSpec specs[9];
		specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_MESE);
		specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_MESE);
		specs[2] = ItemSpec(ITEM_MATERIAL, CONTENT_MESE);
		specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
		if(checkItemCombination(items, specs))
		{
			return new ToolItem("MesePick", 0);
		}
	}

	// Wooden shovel
	{
		ItemSpec specs[9];
		specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
		if(checkItemCombination(items, specs))
		{
			return new ToolItem("WShovel", 0);
		}
	}

	// Stone shovel
	{
		ItemSpec specs[9];
		specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
		specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
		if(checkItemCombination(items, specs))
		{
			return new ToolItem("STShovel", 0);
		}
	}

	// Steel shovel
	{
		ItemSpec specs[9];
		specs[1] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
		if(checkItemCombination(items, specs))
		{
			return new ToolItem("SteelShovel", 0);
		}
	}

	// Wooden axe
	{
		ItemSpec specs[9];
		specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[3] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
		if(checkItemCombination(items, specs))
		{
			return new ToolItem("WAxe", 0);
		}
	}

	// Stone axe
	{
		ItemSpec specs[9];
		specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
		specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
		specs[3] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
		specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
		if(checkItemCombination(items, specs))
		{
			return new ToolItem("STAxe", 0);
		}
	}

	// Steel axe
	{
		ItemSpec specs[9];
		specs[0] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[1] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[3] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
		if(checkItemCombination(items, specs))
		{
			return new ToolItem("SteelAxe", 0);
		}
	}

	// Wooden sword
	{
		ItemSpec specs[9];
		specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[4] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
		if(checkItemCombination(items, specs))
		{
			return new ToolItem("WSword", 0);
		}
	}

	// Stone sword
	{
		ItemSpec specs[9];
		specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
		specs[4] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
		specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
		if(checkItemCombination(items, specs))
		{
			return new ToolItem("STSword", 0);
		}
	}

	// Steel sword
	{
		ItemSpec specs[9];
		specs[1] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[4] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
		if(checkItemCombination(items, specs))
		{
			return new ToolItem("SteelSword", 0);
		}
	}

	// Rail
	{
		ItemSpec specs[9];
		specs[0] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[1] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[2] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[3] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[5] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[6] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[8] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		if(checkItemCombination(items, specs))
		{
			return new MaterialItem(CONTENT_RAIL, 15);
		}
	}

	// Chest
	{
		ItemSpec specs[9];
		specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[2] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[3] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[5] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[6] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[7] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[8] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		if(checkItemCombination(items, specs))
		{
			return new MaterialItem(CONTENT_CHEST, 1);
		}
	}

	// Locking Chest
	{
		ItemSpec specs[9];
		specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[2] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[3] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[4] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[5] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[6] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[7] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[8] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		if(checkItemCombination(items, specs))
		{
			return new MaterialItem(CONTENT_LOCKABLE_CHEST, 1);
		}
	}

	// Furnace
	{
		ItemSpec specs[9];
		specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
		specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
		specs[2] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
		specs[3] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
		specs[5] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
		specs[6] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
		specs[7] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
		specs[8] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
		if(checkItemCombination(items, specs))
		{
			return new MaterialItem(CONTENT_FURNACE, 1);
		}
	}

	// Steel block
	{
		ItemSpec specs[9];
		specs[0] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[1] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[2] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[3] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[4] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[5] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[6] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[7] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[8] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		if(checkItemCombination(items, specs))
		{
			return new MaterialItem(CONTENT_STEEL, 1);
		}
	}

	// Sandstone
	{
		ItemSpec specs[9];
		specs[3] = ItemSpec(ITEM_MATERIAL, CONTENT_SAND);
		specs[4] = ItemSpec(ITEM_MATERIAL, CONTENT_SAND);
		specs[6] = ItemSpec(ITEM_MATERIAL, CONTENT_SAND);
		specs[7] = ItemSpec(ITEM_MATERIAL, CONTENT_SAND);
		if(checkItemCombination(items, specs))
		{
			return new MaterialItem(CONTENT_SANDSTONE, 1);
		}
	}

	// Clay
	{
		ItemSpec specs[9];
		specs[3] = ItemSpec(ITEM_CRAFT, "lump_of_clay");
		specs[4] = ItemSpec(ITEM_CRAFT, "lump_of_clay");
		specs[6] = ItemSpec(ITEM_CRAFT, "lump_of_clay");
		specs[7] = ItemSpec(ITEM_CRAFT, "lump_of_clay");
		if(checkItemCombination(items, specs))
		{
			return new MaterialItem(CONTENT_CLAY, 1);
		}
	}

	// Brick
	{
		ItemSpec specs[9];
		specs[3] = ItemSpec(ITEM_CRAFT, "clay_brick");
		specs[4] = ItemSpec(ITEM_CRAFT, "clay_brick");
		specs[6] = ItemSpec(ITEM_CRAFT, "clay_brick");
		specs[7] = ItemSpec(ITEM_CRAFT, "clay_brick");
		if(checkItemCombination(items, specs))
		{
			return new MaterialItem(CONTENT_BRICK, 1);
		}
	}

	// Paper
	{
		ItemSpec specs[9];
		specs[3] = ItemSpec(ITEM_MATERIAL, CONTENT_PAPYRUS);
		specs[4] = ItemSpec(ITEM_MATERIAL, CONTENT_PAPYRUS);
		specs[5] = ItemSpec(ITEM_MATERIAL, CONTENT_PAPYRUS);
		if(checkItemCombination(items, specs))
		{
			return new CraftItem("paper", 1);
		}
	}

	// Book
	{
		ItemSpec specs[9];
		specs[1] = ItemSpec(ITEM_CRAFT, "paper");
		specs[4] = ItemSpec(ITEM_CRAFT, "paper");
		specs[7] = ItemSpec(ITEM_CRAFT, "paper");
		if(checkItemCombination(items, specs))
		{
			return new CraftItem("book", 1);
		}
	}

	// Book shelf
	{
		ItemSpec specs[9];
		specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[2] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[3] = ItemSpec(ITEM_CRAFT, "book");
		specs[4] = ItemSpec(ITEM_CRAFT, "book");
		specs[5] = ItemSpec(ITEM_CRAFT, "book");
		specs[6] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[7] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		specs[8] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
		if(checkItemCombination(items, specs))
		{
			return new MaterialItem(CONTENT_BOOKSHELF, 1);
		}
	}

	// Ladder
	{
		ItemSpec specs[9];
		specs[0] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[2] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[3] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[5] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[6] = ItemSpec(ITEM_CRAFT, "Stick");
		specs[8] = ItemSpec(ITEM_CRAFT, "Stick");
		if(checkItemCombination(items, specs))
		{
			return new MaterialItem(CONTENT_LADDER, 1);
		}
	}
	
	// Iron Apple
	{
		ItemSpec specs[9];
		specs[1] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[3] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[4] = ItemSpec(ITEM_CRAFT, "apple");
		specs[5] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		specs[7] = ItemSpec(ITEM_CRAFT, "steel_ingot");
		if(checkItemCombination(items, specs))
		{
			return new CraftItem("apple_iron", 1);
		}
	}

	return NULL;
}

void craft_set_creative_inventory(Player *player)
{
	player->resetInventory();
	
	// Give some good tools
	{
		InventoryItem *item = new ToolItem("MesePick", 0);
		void* r = player->inventory.addItem("main", item);
		assert(r == NULL);
	}
	{
		InventoryItem *item = new ToolItem("SteelPick", 0);
		void* r = player->inventory.addItem("main", item);
		assert(r == NULL);
	}
	{
		InventoryItem *item = new ToolItem("SteelAxe", 0);
		void* r = player->inventory.addItem("main", item);
		assert(r == NULL);
	}
	{
		InventoryItem *item = new ToolItem("SteelShovel", 0);
		void* r = player->inventory.addItem("main", item);
		assert(r == NULL);
	}

	/*
		Give materials
	*/
	
	// CONTENT_IGNORE-terminated list
	content_t material_items[] = {
		CONTENT_TORCH,
		CONTENT_COBBLE,
		CONTENT_MUD,
		CONTENT_STONE,
		CONTENT_SAND,
		CONTENT_SANDSTONE,
		CONTENT_CLAY,
		CONTENT_BRICK,
		CONTENT_TREE,
		CONTENT_LEAVES,
		CONTENT_CACTUS,
		CONTENT_PAPYRUS,
		CONTENT_BOOKSHELF,
		CONTENT_GLASS,
		CONTENT_FENCE,
		CONTENT_RAIL,
		CONTENT_MESE,
		CONTENT_WATERSOURCE,
		CONTENT_CLOUD,
		CONTENT_CHEST,
		CONTENT_FURNACE,
		CONTENT_SIGN_WALL,
		CONTENT_LAVASOURCE,
		CONTENT_IGNORE
	};
	
	content_t *mip = material_items;
	for(u16 i=0; i<PLAYER_INVENTORY_SIZE; i++)
	{
		if(*mip == CONTENT_IGNORE)
			break;

		InventoryItem *item = new MaterialItem(*mip, 1);
		player->inventory.addItem("main", item);

		mip++;
	}

#if 0
	assert(USEFUL_CONTENT_COUNT <= PLAYER_INVENTORY_SIZE);
	
	// add torch first
	InventoryItem *item = new MaterialItem(CONTENT_TORCH, 1);
	player->inventory.addItem("main", item);
	
	// Then others
	for(u16 i=0; i<USEFUL_CONTENT_COUNT; i++)
	{
		// Skip some materials
		if(i == CONTENT_WATER || i == CONTENT_TORCH
			|| i == CONTENT_COALSTONE)
			continue;

		InventoryItem *item = new MaterialItem(i, 1);
		player->inventory.addItem("main", item);
	}
#endif

	/*// Sign
	{
		InventoryItem *item = new MapBlockObjectItem("Sign Example text");
		void* r = player->inventory.addItem("main", item);
		assert(r == NULL);
	}*/
}

void craft_give_initial_stuff(Player *player)
{
	{
		InventoryItem *item = new ToolItem("SteelPick", 0);
		void* r = player->inventory.addItem("main", item);
		assert(r == NULL);
	}
	{
		InventoryItem *item = new MaterialItem(CONTENT_TORCH, 99);
		void* r = player->inventory.addItem("main", item);
		assert(r == NULL);
	}
	{
		InventoryItem *item = new ToolItem("SteelAxe", 0);
		void* r = player->inventory.addItem("main", item);
		assert(r == NULL);
	}
	{
		InventoryItem *item = new ToolItem("SteelShovel", 0);
		void* r = player->inventory.addItem("main", item);
		assert(r == NULL);
	}
	{
		InventoryItem *item = new MaterialItem(CONTENT_COBBLE, 99);
		void* r = player->inventory.addItem("main", item);
		assert(r == NULL);
	}
	/*{
		InventoryItem *item = new MaterialItem(CONTENT_MESE, 6);
		void* r = player->inventory.addItem("main", item);
		assert(r == NULL);
	}
	{
		InventoryItem *item = new MaterialItem(CONTENT_COALSTONE, 6);
		void* r = player->inventory.addItem("main", item);
		assert(r == NULL);
	}
	{
		InventoryItem *item = new MaterialItem(CONTENT_WOOD, 6);
		void* r = player->inventory.addItem("main", item);
		assert(r == NULL);
	}
	{
		InventoryItem *item = new CraftItem("Stick", 4);
		void* r = player->inventory.addItem("main", item);
		assert(r == NULL);
	}
	{
		InventoryItem *item = new ToolItem("WPick", 32000);
		void* r = player->inventory.addItem("main", item);
		assert(r == NULL);
	}
	{
		InventoryItem *item = new ToolItem("STPick", 32000);
		void* r = player->inventory.addItem("main", item);
		assert(r == NULL);
	}*/
	/*// and some signs
	for(u16 i=0; i<4; i++)
	{
		InventoryItem *item = new MapBlockObjectItem("Sign Example text");
		bool r = player->inventory.addItem("main", item);
		assert(r == true);
	}*/
	/*// Give some other stuff
	{
		InventoryItem *item = new MaterialItem(CONTENT_TREE, 999);
		bool r = player->inventory.addItem("main", item);
		assert(r == true);
	}*/
}