"""
训练普通字符识别模型 (LiteCRNN - normal 模式)

用法: python -m training.train_normal
"""

from config import (
    NORMAL_CHARS,
    IMAGE_SIZE,
    SYNTHETIC_NORMAL_DIR,
    REAL_NORMAL_DIR,
)
from generators.normal_gen import NormalCaptchaGenerator
from models.lite_crnn import LiteCRNN
from training.train_utils import train_ctc_model


def main():
    img_h, img_w = IMAGE_SIZE["normal"]
    model = LiteCRNN(chars=NORMAL_CHARS, img_h=img_h, img_w=img_w)

    print("=" * 60)
    print("训练普通字符识别模型 (LiteCRNN - normal)")
    print(f"  字符集: {NORMAL_CHARS}  ({len(NORMAL_CHARS)} 字符)")
    print(f"  输入尺寸: {img_h}×{img_w}")
    print("=" * 60)

    train_ctc_model(
        model_name="normal",
        model=model,
        chars=NORMAL_CHARS,
        synthetic_dir=SYNTHETIC_NORMAL_DIR,
        real_dir=REAL_NORMAL_DIR,
        generator_cls=NormalCaptchaGenerator,
        config_key="normal",
    )


if __name__ == "__main__":
    main()