import os
import sys
import subprocess
import importlib
import importlib.metadata
from packaging.requirements import Requirement

def check_requirements_installed(requirements_path):
    with open(requirements_path, 'r', encoding='utf-8') as f:
        requirements = [Requirement(line.strip()) for line in f if line.strip() and not line.strip().startswith('#')]

    missing_packages = []
    for requirement in requirements:
        try:
            version = importlib.metadata.version(requirement.name)
            if version not in requirement.specifier:
                missing_packages.append(str(requirement))
        except importlib.metadata.PackageNotFoundError:
            missing_packages.append(str(requirement))

    if missing_packages:
        print(f"Missing or outdated packages: {', '.join(missing_packages)}")
        print("Installing/Updating missing packages...")
        subprocess.check_call([sys.executable, '-s', '-m', 'pip', 'install', *missing_packages])
    else:
        print("All packages from requirements.txt are installed and up to date.")

requirements_path  = os.path.join(os.path.dirname(os.path.realpath(__file__)), "requirements.txt")
check_requirements_installed(requirements_path)

from .install_init import init, get_system_info, install_llama

system_info = get_system_info()
install_llama(system_info)
llama_cpp_agent_path  = os.path.join(os.path.dirname(os.path.realpath(__file__)), "cpp_agent_req.txt")
check_requirements_installed(llama_cpp_agent_path)

init()

node_list = [
    "image.birefnet_LP",
    "image.rmbg_LP",
    "image.rembg_LP",
    "llm.llm_LP",
    "vlm.autotagger_LP",
    "vlm.llava_LP",
    "vlm.ram_LP",
]

NODE_CLASS_MAPPINGS = {}
NODE_DISPLAY_NAME_MAPPINGS = {}

for module_name in node_list:
    imported_module = importlib.import_module(f".nodes.{module_name}", __name__)

    NODE_CLASS_MAPPINGS = {**NODE_CLASS_MAPPINGS, **imported_module.NODE_CLASS_MAPPINGS}
    NODE_DISPLAY_NAME_MAPPINGS = {**NODE_DISPLAY_NAME_MAPPINGS, **imported_module.NODE_DISPLAY_NAME_MAPPINGS}

WEB_DIRECTORY = "./web"
__all__ = ["NODE_CLASS_MAPPINGS", "NODE_DISPLAY_NAME_MAPPINGS", "WEB_DIRECTORY"]