#include "raylib.h"
#include <string>

#define SCREEN_WIDTH (400)
#define SCREEN_HEIGHT (600)
#define WINDOW_TITLE "Hello World"

#define PLAYER_SIZE 50
#define BAR_WIDTH 50
#define BAR_GAP 250

int
main(void)
{
    InitWindow(SCREEN_WIDTH, SCREEN_HEIGHT, WINDOW_TITLE);
    SetTargetFPS(60);

    int score = 0;
    float player_y = 20;
    float player_velocity = 0;

    float bar_x = SCREEN_WIDTH;
    float bar_y = GetRandomValue(BAR_GAP + 50, SCREEN_HEIGHT - 50);

    Rectangle player_rec;
    Rectangle upper_bar_rec;
    Rectangle lower_bar_rec;
    
    while (!WindowShouldClose())
    {
        player_rec = {
	  (SCREEN_WIDTH - PLAYER_SIZE) / 2.0,
	  player_y,
	  PLAYER_SIZE,
	  PLAYER_SIZE};

        upper_bar_rec = { bar_x, 0, BAR_WIDTH, bar_y - BAR_GAP };
	lower_bar_rec = {bar_x, bar_y, BAR_WIDTH, SCREEN_HEIGHT - bar_y};
	
        player_velocity += 1;
        bar_x -= 2;
        if (IsKeyPressed(KEY_SPACE))
        {
	  player_velocity = -15;
        }
	player_y += player_velocity;

	if (player_y < 0 || player_y > SCREEN_HEIGHT)
	  score = 0;

	if (CheckCollisionRecs(player_rec, upper_bar_rec)
	    || CheckCollisionRecs(player_rec, lower_bar_rec))
	  score = 0;

	if (bar_x < -40)
	{
	  bar_x = SCREEN_WIDTH;
	  bar_y = GetRandomValue(BAR_GAP + 50, SCREEN_HEIGHT - 50);
	  score++;
	}

	
	BeginDrawing();

	ClearBackground(BLUE);
		
	DrawRectangleRec(upper_bar_rec, GOLD);
	DrawRectangleRec(lower_bar_rec, GOLD);
	DrawText(std::to_string(score).c_str(),
		 (SCREEN_WIDTH / 2) - 25, 50, 50, RAYWHITE);
	DrawRectangleRec(player_rec, BLACK);
 
	EndDrawing();
    }

    CloseWindow();

    return 0;
}