from dataclasses import dataclass

@dataclass
class MazeConfig:
    # Maze geometry
    maze_cols: int = 25
    maze_rows: int = 25
    cell_size: int = 24
    wall_width: int = 2

    # GA / Training
    population: int = 100
    max_steps: int = 300
    elite_frac: float = 0.30
    mutation_std: float = 0.05
    mutation_rate: float = 0.20

    # Neural net
    n_inputs: int = 8
    n_hidden: int = 12
    n_outputs: int = 4

    # Fitness
    goal_bonus: float = 1000.0
    step_penalty: float = 0.01

    # Rendering
    fps: int = 60
    trail_decay: float = 0.88
    window_title: str = "Maze ML — GA Visualizer"
    hud_font_size: int = 18