#include "global.hpp"


tile act(int t) { return (t % 2) ? p2 : p1; }
tile pas(int t) { return (t % 2) ? p1 : p2; }
Color col(int t) { return act(t) == p2 ? BLUE : RED; }


deque<int> to_deque(Vector2 v, int depth, int size) {
	deque<int> r = {};
	int x = v.x, y = v.y;

	if(x >= size || y >= size || x < 0 || y < 0)
		return {};

	for(int i = 0; i < depth; ++i) {
		size /= 3;
		r.push_back(3*(y/size) + x/size);
		x %= size;
		y %= size;
	}
	return r;
}

bool valid(Block *root, Rectangle play_area, deque<int> &turn) {
	return CheckCollisionRecs(root->get_rect(turn), play_area) && root->playable(turn);
}


int main(int argc, char** argv) {
	int time = 0, depth;
	Block* root = nullptr;

	depth = argc <= 1 ? 1 : std::atoi(argv[1]);

	root = new Block(depth, {0, 0, SCREEN, SCREEN});

	Rectangle play_area = root->get_rect({});

	Renderer renderer(root, time, play_area);
	int board_size = renderer.update_board_size(depth);

	bool end = false;
	deque<int> pturn = {};
	while(!WindowShouldClose()) {
		// Update screen size
		board_size = renderer.update_board_size(depth);

		float start_x = ((float)GetScreenWidth()-board_size)/2;
		float start_y = ((float)GetScreenHeight()-board_size)/2;

		root->update_rect({start_x, start_y, (float)board_size, (float)board_size});
		play_area = root->get_rect(pturn);

		// Move
		Vector2 touch = GetMousePosition();
		deque<int> turn = to_deque({touch.x - start_x, touch.y - start_y}, depth, board_size);
		if(		IsMouseButtonPressed(0) &&
				CheckCollisionPointRec(touch, play_area) &&
				valid(root, play_area, turn))
			switch(root->play(turn, act(time))) {
				case CHANGE:
					end = true;
					break;
				case OKAY:
					time++;
					turn.erase(turn.begin());
					int rval_2 = root->play(turn, pas(time));
					for(int i = 0; i <= rval_2; i++)
						turn.pop_back();

					pturn = turn;
					break;
			}
		
		// Rendering
		renderer.render_all(root, time, play_area, turn);

		if(IsKeyDown(KEY_Q))

		if(end || IsKeyDown(KEY_Q))
			break;
	}

	CloseWindow();
	return 0;
}