from dataclasses import dataclass
from pathlib import Path


@dataclass
class AberConfig:
    seq_len: int = 40
    batch_size: int = 24
    embed_dim: int = 96
    hidden_dim: int = 160
    num_layers: int = 2
    dropout: float = 0.15
    learning_rate: float = 2.5e-3
    bootstrap_steps: int = 90
    cpu_threads: int = 4
    seed: int = 42

    @property
    def root_dir(self) -> Path:
        return Path(__file__).resolve().parents[1]

    @property
    def checkpoint_path(self) -> Path:
        return self.root_dir / "artifacts" / "aber_checkpoint.pt"