import logging
import shutil
from pathlib import Path
import os

from .config import SOURCE_DIRECTORY, DIST_DIRECTORY, STATIC_DIRECTORY


logger = logging.getLogger("stsg.build")


def copy_static():
    src = str(Path(SOURCE_DIRECTORY, STATIC_DIRECTORY))
    dst = str(Path(DIST_DIRECTORY, STATIC_DIRECTORY))

    if not os.path.exists(src):
        logger.warn("The static folder '%s' wasn't defined.", src)
        return

    logger.info("copying static files from '%s' to '%r'", src, dst) 

    os.makedirs(dst, exist_ok=True)

    for root, dirs, files in os.walk(src):
        if any(p.startswith(".") for p in Path(root).parts):
            continue 

        # Compute relative path from the source root
        rel_path = os.path.relpath(root, src)
        dest_dir = os.path.join(dst, rel_path)

        os.makedirs(dest_dir, exist_ok=True)
  
        for file in files:
            if file.startswith("."):
                continue

            src_file = os.path.join(root, file)
            dest_file = os.path.join(dest_dir, file)
            shutil.copy2(src_file, dest_file) 

    print(src, dst)  


def build():
    logger.info("building static page")
    copy_static()