#include "../mapcraftercore/mc/world.h"
#include "../mapcraftercore/mc/worldcache.h"
#include "../mapcraftercore/renderer/blockimages.h"
#include "../mapcraftercore/renderer/image.h"
#include "../mapcraftercore/renderer/rendermode.h"
#include "../mapcraftercore/renderer/renderview.h"
#include "../mapcraftercore/renderer/tilerenderer.h"
#include "../mapcraftercore/renderer/tileset.h"
#include "../mapcraftercore/renderer/rendermodes/lighting.h"
#include "../mapcraftercore/util.h"

#include <string>

using namespace mapcrafter;
using namespace mapcrafter::renderer;

int main(int argc, char** argv) {
	std::string view_name = "topdown";
	RenderView* view = createRenderView(view_name);

	BlockImageTextureResources resources;
	resources.setTextureSize(16, 0);
	resources.loadAll(util::findTextureDir().string());

	BlockImages* images = view->createBlockImages();
	images->loadBlocks(resources);

	mc::World world(argv[1]);
	world.load();
	mc::WorldCache world_cache(world);
	TileSet* tile_set = view->createTileSet(1);
	tile_set->scan(world);

	RenderMode* render_mode = new LightingRenderMode(true, 1.0, false);
	TileRenderer* tile_renderer = view->createTileRenderer(images, 1, &world_cache, render_mode);

	TilePos tiles_min, tiles_max, tiles_offset;

	auto tiles = tile_set->getRequiredRenderTiles();
	for (auto it = tiles.begin(); it != tiles.end(); ++it) {
		if (it == tiles.begin())
			tiles_min = tiles_max = *it;
		tiles_min = TilePos(std::min(tiles_min.getX(), it->getX()), std::min(tiles_min.getY(), it->getY()));
		tiles_max = TilePos(std::max(tiles_max.getX(), it->getX()), std::max(tiles_max.getY(), it->getY()));
	}

	int tile_size = tile_renderer->getTileSize();
	RGBAImage image((tiles_max.getX() - tiles_min.getX() + 1) * tile_size,
			(tiles_max.getY() - tiles_min.getY() + 1) * tile_size);

	for (auto it = tiles.begin(); it != tiles.end(); ++it) {
		LOG(INFO) << *it;
		RGBAImage tile;
		tile_renderer->renderTile(*it, tile);
		TilePos image_tile = *it - tiles_min;
		image.simpleAlphaBlit(tile, image_tile.getX() * tile_size, image_tile.getY() * tile_size);
	}

	image.writePNG(view_name + ".png");
}