"""Convert text clippings to .txt files."""
import os
import re
import subprocess
from pathlib import Path
import plistlib

DEREZ_OUTPUT_RE = re.compile(r"\t\$\"([A-F0-9 ]+)\"\s+/\* (.+?) \*/")


def get_text_from_plist(path: Path) -> str:
    """Get the utf8 text of the plist."""
    plist_dict = plistlib.loads(path.read_bytes())
    return plist_dict["UTI-Data"]["public.utf8-plain-text"]


def get_text_from_resourcefork(path: Path) -> str:
    """Get the utf8 text from the resource fork."""
    cmd = ["DeRez", "-only", "utf8", str(path)]
    output = subprocess.run(cmd, capture_output=True)
    byte_str = b""
    print(output.stdout)
    for line in output.stdout.split("\n"):
        if match := DEREZ_OUTPUT_RE.match(line):
            print("match")
            hex_str = match.groups()[0].replace(" ", "")
            byte_str += bytes.fromhex(hex_str)
    print(byte_str)
    return byte_str.decode("utf8")


def convert_file(path: Path):
    """Convert a file."""
    new_path = path.with_suffix(".txt")
    print(f"Converting {path} to {new_path}")
    if os.stat(path).st_size:
        # This can be handled with plistlib
        text = get_text_from_plist(path)
    else:
        # this needs DeRez
        text = get_text_from_resourcefork(path)

    if text:
        new_path.write_text(text)
    else:
        print(f"Did not get text from {path}")


def main(path: Path):
    """Convert the clipping"""
    if path.is_dir():
        # iterate through the dir
        for child in path.iterdir():
            if child.is_file() and child.suffix == ".textClipping":
                convert_file(child)
            elif child.is_dir():
                # main(path)
                pass
            else:
                print(f"Skipping file {child}")
    elif path.is_file() and path.suffix == ".textClipping":
        # process the file
        convert_file(path)
    else:
        print(f"No idea what to do with {path}.")


if __name__ == "__main__":
    input_path = Path("/path/to/dir/")
    main(input_path)