#include <raylib.h>

int main() {

    // Specified width and height
    const int windowWidth{800};
    const int windowHeight{600};
    // Initialize the window
    InitWindow(windowWidth, windowHeight, "ECS Dapper Dasher");
    
    // Acceleration due to gravity (pixels per frame/frame)
    const int gravity{ 1 };

    // Scarfy setup
    Texture2D scarfy = LoadTexture("textures/scarfy.png"); // Load the texture
    Rectangle scarfyRect;
    scarfyRect.width = scarfy.width / 6;
    scarfyRect.height = scarfy.height;
    scarfyRect.x = 0;
    scarfyRect.y = 0;
    Vector2 scarfyPos;
    scarfyPos.x = windowWidth / 2 - scarfyRect.width / 2;
    scarfyPos.y = windowHeight - scarfyRect.height;

    // Is the rectangle in the air
    bool isInAir{};

    int velocity{}; // Current velocity

    // Jump velocity
    const int jumpVelocity{-22};

    // Main game loop
    SetTargetFPS(60);
    while (!WindowShouldClose())
    {
        // Start Game Logic
        BeginDrawing();
        ClearBackground(WHITE);

        // perform ground check
        if (scarfyPos.y >= windowHeight - scarfyRect.height) {
            velocity = 0; // Reset velocity when on the ground
            isInAir = false;
        }
        else
        {
            velocity += gravity; // Apply gravity when in the air
            isInAir = true;
        }

        // Jump logic / jump check
        if (IsKeyPressed(KEY_SPACE) && !isInAir) {
            velocity += jumpVelocity; // Jump velocity
        }
        
        // Update position
        scarfyPos.y += velocity;
        
        DrawTextureRec(scarfy, scarfyRect, scarfyPos, WHITE); // Draw the texture
        
        // End Game Logic
        EndDrawing();
    }
    
    // Unload texture
    UnloadTexture(scarfy);

    // Close the window properly
    CloseWindow();
}