import os

modelfile_path = os.path.abspath(os.path.join(os.path.dirname(__file__), '../models/checkpoints/'))
lorafile_path = os.path.abspath(os.path.join(os.path.dirname(__file__), '../models/loras/'))
temp_outputs_path = os.path.abspath(os.path.join(os.path.dirname(__file__), '../outputs/'))

os.makedirs(temp_outputs_path, exist_ok=True)

default_base_model_name = 'sd_xl_base_1.0_0.9vae.safetensors'
default_refiner_model_name = 'sd_xl_refiner_1.0_0.9vae.safetensors'
default_lora_name = 'sd_xl_offset_example-lora_1.0.safetensors'
default_lora_weight = 0.5

model_filenames = []
lora_filenames = []


def get_model_filenames(folder_path):
    if not os.path.isdir(folder_path):
        raise ValueError("Folder path is not a valid directory.")

    filenames = []
    for filename in os.listdir(folder_path):
        if os.path.isfile(os.path.join(folder_path, filename)):
            _, file_extension = os.path.splitext(filename)
            if file_extension.lower() in ['.pth', '.ckpt', '.bin', '.safetensors']:
                filenames.append(filename)

    return filenames


def update_all_model_names():
    global model_filenames, lora_filenames
    model_filenames = get_model_filenames(modelfile_path)
    lora_filenames = get_model_filenames(lorafile_path)
    return


update_all_model_names()