#!/usr/bin/env python3
import sass
import subprocess
import shutil
import os
import argparse
from pathlib import Path

parser = argparse.ArgumentParser()

parser.add_argument(
    "-y", "--yes", help="use assumed node bin directory.", action="store_true"
)


def runcmd(cmd):
    if os.name == "nt":
        return subprocess.check_output(cmd, shell=True)
    proc = subprocess.Popen(cmd.split(), stdout=subprocess.PIPE)
    return proc.communicate()


local_path = Path(__file__).resolve().parent
out = runcmd("npm bin")

try:
    node_bin = Path(out[0].decode("utf-8").rstrip())
except:
    node_bin = Path(out.decode("utf-8").rstrip())

args = parser.parse_args()

if not args.yes:
    print(f'assuming npm bin directory "{node_bin}". Is this correct?')
    if input("[yY/nN]: ").lower() == "n":
        node_bin = local_path.parent / "node_modules" / ".bin"
        print(f'this? "{node_bin}"')
        if input("[yY/nN]: ").lower() == "n":
            node_bin = input("input bin directory: ")

for bsv in [d for d in local_path.iterdir() if "bs" in d.name]:
    scss = bsv / f"{bsv.name}-jf.scss"
    css = bsv / f"{bsv.name}-jf.css"
    min_css = bsv.parents[1] / "data" / "static" / f"{bsv.name}-jf.css"
    with open(css, "w") as f:
        f.write(
            sass.compile(
                filename=str(scss.resolve()), output_style="expanded", precision=6
            )
        )
    if css.exists():
        print(f"{bsv.name}: Compiled.")
        # postcss only excepts forwards slashes? weird.
        cssPath = str(css.resolve())
        if os.name == "nt":
            cssPath = cssPath.replace("\\", "/")
        runcmd(
            f'{str((node_bin / "postcss").resolve())} {cssPath} --replace --use autoprefixer'
        )
        print(f"{bsv.name}: Prefixed.")
        runcmd(
            f'{str((node_bin / "cleancss").resolve())} --level 1 --format breakWith=lf --output {str(min_css.resolve())} {str(css.resolve())}'
        )
        if min_css.exists():
            print(f"{bsv.name}: Minified and copied to {str(min_css.resolve())}.")

for v in [("bootstrap", "bs5"), ("bootstrap4", "bs4")]:
    new_path = str((local_path.parent / "data" / "static" / (v[1] + ".css")).resolve())
    shutil.copy(
        str(
            (
                local_path.parent
                / "node_modules"
                / v[0]
                / "dist"
                / "css"
                / "bootstrap.min.css"
            ).resolve()
        ),
        new_path,
    )
    print(f"Copied {v[1]} to {new_path}")